Merge pull request #203 from cyberman54/development

merge development v1.6.82

README.md

@@ -47,6 +47,7 @@ Depending on board hardware following features are supported:
 - Silicon unique ID
 - Battery voltage monitoring
 - GPS (Generic serial NMEA, or Quectel L76 I2C)
+- MEMS sensor (Bosch BME680)
 
 Target platform must be selected in [platformio.ini](https://github.com/cyberman54/ESP32-Paxcounter/blob/master/platformio.ini).<br>
 Hardware dependent settings (pinout etc.) are stored in board files in /hal directory. If you want to use a ESP32 board which is not yet supported, use hal file generic.h and tailor pin mappings to your needs. Pull requests for new boards welcome.<br>
@@ -198,6 +199,13 @@ Hereafter described is the default *plain* format, which uses MSB bit numbering.
 	byte 1:		Beacon RSSI reception level
 	byte 2:		Beacon identifier (0..255)
 
+**Port #7:** BME680 query result
+
+	bytes 1-2:	Temperature [°C]
+	bytes 3-4:	Pressure [hPa]
+	bytes 5-6:	Humidity [%]
+	bytes 7-8:	Gas resistance [kOhm]
+
 # Remote control
 
 The device listenes for remote control commands on LoRaWAN Port 2. Multiple commands per downlink are possible by concatenating them.
@@ -310,6 +318,10 @@ Note: all settings are stored in NVRAM and will be reloaded when device starts.
 
 	Device answers with it's current status on Port 4. 
 
+0x85 get BME680 sensor data
+
+	Device answers with BME680 sensor data set on Port 7.
+
 	
 # License
 

include/bme680read.h

@@ -0,0 +1,15 @@
+#ifndef _HAS_BME
+#define _HAS_BME
+
+#include "globals.h"
+#include <Wire.h>
+#include <Adafruit_Sensor.h>
+#include "Adafruit_BME680.h"
+
+extern bmeStatus_t
+    bme_status; // Make struct for storing gps data globally available
+
+void bme_init();
+bool bme_read();
+
+#endif

include/cyclic.h

@@ -3,8 +3,12 @@
 
 #include "globals.h"
 #include "senddata.h"
+#include "rcommand.h"
+#include "spislave.h"
+#include <lmic.h>
 
 void doHousekeeping(void);
+void do_timesync(void);
 uint64_t uptime(void);
 void reset_counters(void);
 int redirect_log(const char *fmt, va_list args);

include/globals.h

@@ -46,6 +46,13 @@ typedef struct {
   uint16_t altitude;
 } gpsStatus_t;
 
+typedef struct {
+  float temperature; // Temperature in degrees Centigrade
+  uint16_t pressure; // Barometic pressure in hecto pascals
+  float humidity; // Relative humidity in percent
+  uint16_t gas_resistance; // Resistance in MOhms
+} bmeStatus_t;
+
 // global variables
 extern configData_t cfg;                      // current device configuration
 extern char display_line6[], display_line7[]; // screen buffers
@@ -67,6 +74,10 @@ extern TaskHandle_t irqHandlerTask, wifiSwitchTask;
 #include "gpsread.h"
 #endif
 
+#ifdef HAS_BME
+#include "bme680read.h"
+#endif
+
 #ifdef HAS_LORA
 #include "lorawan.h"
 #endif

include/irqhandler.h

@@ -3,7 +3,7 @@
 
 #define DISPLAY_IRQ 0x01
 #define BUTTON_IRQ 0x02
-#define SENDPAYLOAD_IRQ 0x04
+#define SENDCOUNTER_IRQ 0x04
 #define CYCLIC_IRQ 0x08
 
 #include "globals.h"

include/lorawan.h

@@ -26,9 +26,11 @@ void os_getDevEui(u1_t *buf);
 void showLoraKeys(void);
 void switch_lora(uint8_t sf, uint8_t tx);
 void lora_send(osjob_t *job);
-void lora_enqueuedata(uint8_t messageType, MessageBuffer_t *message);
+void lora_enqueuedata(MessageBuffer_t *message);
 void lora_queuereset(void);
 void lora_housekeeping(void);
+void user_request_network_time_callback(void *pVoidUserUTCTime,
+                                        int flagSuccess);
 
 esp_err_t lora_stack_init();
 

include/payload.h

@@ -10,19 +10,25 @@
 #define LPP_BATT_CHANNEL 23
 #define LPP_BUTTON_CHANNEL 24
 #define LPP_ADR_CHANNEL 25
-#define LPP_TEMP_CHANNEL 26
+#define LPP_TEMPERATURE_CHANNEL 26
 #define LPP_ALARM_CHANNEL 27
 #define LPP_MSG_CHANNEL 28
+#define LPP_HUMIDITY_CHANNEL 29
+#define LPP_BAROMETER_CHANNEL 30
+#define LPP_GAS_CHANNEL 31 
+
 #endif
 
 // MyDevices CayenneLPP types
 #define LPP_GPS 136          // 3 byte lon/lat 0.0001 °, 3 bytes alt 0.01m
-#define LPP_TEMPERATURE 103  // 2 bytes, 0.1°C signed
+#define LPP_TEMPERATURE 103  // 2 bytes, 0.1°C signed MSB
 #define LPP_DIGITAL_INPUT 0  // 1 byte
 #define LPP_DIGITAL_OUTPUT 1 // 1 byte
 #define LPP_ANALOG_INPUT 2   // 2 bytes, 0.01 signed
 #define LPP_LUMINOSITY 101   // 2 bytes, 1 lux unsigned
 #define LPP_PRESENCE 102     //	1 byte
+#define LPP_HUMIDITY 104     // 1 byte, 0.5 % unsigned
+#define LPP_BAROMETER 115    // 2 bytes, hPa unsigned MSB
 
 class PayloadConvert {
 
@@ -39,6 +45,7 @@ public:
                  uint8_t reset1, uint8_t reset2);
   void addAlarm(int8_t rssi, uint8_t message);
   void addGPS(gpsStatus_t value);
+  void addBME(bmeStatus_t value);
   void addButton(uint8_t value);
 
 #if PAYLOAD_ENCODER == 1 // format plain

include/senddata.h

@@ -5,8 +5,8 @@
 #include "lorawan.h"
 #include "cyclic.h"
 
-void SendData(uint8_t port);
+void SendPayload(uint8_t port);
-void sendPayload(void);
+void sendCounter(void);
 void checkSendQueues(void);
 void flushQueues();
 

include/spislave.h

@@ -28,7 +28,7 @@ licenses. Refer to LICENSE.txt file in repository for more details.
 
 esp_err_t spi_init();
 
-void spi_enqueuedata(uint8_t messageType, MessageBuffer_t *message);
+void spi_enqueuedata(MessageBuffer_t *message);
 void spi_queuereset();
 
 void spi_housekeeping();

lib/arduino-lmic-mcci-v2.2.2/README.md

@@ -1,5 +1,4 @@
-Arduino-LMIC library
+# Arduino-LMIC library
-====================
 
 This repository contains the IBM LMIC (LoraMAC-in-C) library, slightly
 modified to run in the Arduino environment, allowing using the SX1272,
@@ -25,7 +24,7 @@ requires C99 mode to be enabled by default.
   We strongly recommend updating using VS Code, the markdown-toc extension and the
   bierner.markdown-preview-github-styles extension.
 -->
-<!-- TOC depthFrom:1 -->
+<!-- TOC depthFrom:2 -->
 
 - [Installing](#installing)
 - [Features](#features)
@@ -131,7 +130,7 @@ directory is the only directory that contains files that you
 should edit to match your project; we organize things this way
 so that your local changes are more clearly separated from
 the distribution files. The Arduino environment doesn't give
-us a better way to do this.
+us a better way to do this, unless you change `BOARDS.txt`.
 
 Unlike other ports of the LMIC code, in this port, you should not edit `src/lmic/config.h` to configure this package.
 
@@ -147,6 +146,7 @@ The library supports the following regions:
 `-D CFG_us915` | `LMIC_REGION_us915` | 2 | 2.2 | US 902-928 MHz ISM
 `-D CFG_au921` | `LMIC_REGION_au921` | 5 | 2.5 | Australia 915-928 MHz ISM
 `-D CFG_as923` | `LMIC_REGION_as923` | 7 | 2.7 | Asia 923 MHz ISM
+`-D CFG_as923jp` | `LMIC_REGION_as923` and `LMIC_COUNTRY_CODE_JP` | 7 | 2.7 | Asia 923 MHz ISM  with Japan listen-before-talk (LBT) rules
 `-D CFG_in866` | `LMIC_REGION_in866` | 9 | 2.9 | India 865-867 MHz ISM
 
 You should define exactly one of `CFG_...` variables. If you don't,
@@ -205,8 +205,7 @@ By default, PING support is included in the library.
 If defined, removes all code needed for handling beacons. Removes the APIs `LMIC_enableTracking()` and `LMIC_disableTracking()`.
 Class A devices don't support beacons, so defining `DISABLE_BEACONS` might be a good idea.
 
-
+### Rarely changed variables
-### Rarely changed variables ###
 
 The remaining variables are rarely used, but we list them here for completeness.
 
@@ -1022,6 +1021,10 @@ function uflt122f(rawUflt12)
 
 ## Release History
 
+- Interim bug fixes: added a new API (`radio_irq_handler_v2()`), which allows the caller to provide the timestamp of the interrupt. This allows for more accurate timing, because the knowledge of interrupt overhead can be moved to a platform-specific layer ([#148](https://github.com/mcci-catena/arduino-lmic/issues/148)). Fixed compile issues on ESP32 ([#140](https://github.com/mcci-catena/arduino-lmic/issues/140) and [#153](https://github.com/mcci-catena/arduino-lmic/issues/150)). We added ESP32 and 32u4 as targets in CI testing. We switched CI testing to Arduino IDE 1.8.7.
+   Fixed issue [#161](https://github.com/mcci-catena/arduino-lmic/issues/161) selecting the Japan version of as923 using `CFG_as923jp` (selecting via `CFG_as923` and `LMIC_COUNTRY_CODE=LMIC_COUNTRY_CODE_JP` worked).
+   Fixed [#38](https://github.com/mcci-catena/arduino-lmic/issues/38) -- now any call to hal_init() will put the NSS line in the idle (high/inactive) state. As a side effect, RXTX is initialized, and RESET code changed to set value before transitioning state. Likely no net effect, but certainly more correct.
+
 - V2.2.2 adds `ttn-abp-feather-us915-dht22.ino` example, and fixes some documentation typos. It also fixes encoding of the `Margin` field of the `DevStatusAns` MAC message ([#130](https://github.com/mcci-catena/arduino-lmic/issues/130)).  This makes Arduino LMIC work with newtorks implemented with [LoraServer](https://www.loraserver.io/).
 
 - V2.2.1 corrects the value of `ARDUINO_LMIC_VERSION` ([#123](https://github.com/mcci-catena/arduino-lmic/issues/123)), allows ttn-otaa-feather-us915 example to compile for the Feather 32u4 LoRa ([#116](https://github.com/mcci-catena/arduino-lmic/issues/116)), and addresses documentation issues ([#122](https://github.com/mcci-catena/arduino-lmic/issues/122), [#120](https://github.com/mcci-catena/arduino-lmic/issues/120)).

lib/arduino-lmic-mcci-v2.2.2/examples/header_test/header_test.ino

@@ -0,0 +1,36 @@
+/*
+
+Module:  header_test.ino
+
+Function:
+        Simple hello-world (and compile-test) app
+
+Copyright notice and License:
+        See LICENSE file accompanying this project.
+
+Author:
+        Terry Moore, MCCI Corporation	April 2018
+
+*/
+
+#include <lmic.h>
+
+# define STATIC_ASSERT(e)	\
+ void  STATIC_ASSERT__(int MCCIADK_C_ASSERT_x[(e) ? 1: -1])
+
+STATIC_ASSERT(ARDUINO_LMIC_VERSION >= ARDUINO_LMIC_VERSION_CALC(2,1,5,0));
+
+STATIC_ASSERT(ARDUINO_LMIC_VERSION_CALC(1,2,3,4) == 0x01020304);
+
+STATIC_ASSERT(ARDUINO_LMIC_VERSION_GET_MAJOR(ARDUINO_LMIC_VERSION_CALC(1,2,3,4)) == 1);
+STATIC_ASSERT(ARDUINO_LMIC_VERSION_GET_MINOR(ARDUINO_LMIC_VERSION_CALC(1,2,3,4)) == 2);
+STATIC_ASSERT(ARDUINO_LMIC_VERSION_GET_PATCH(ARDUINO_LMIC_VERSION_CALC(1,2,3,4)) == 3);
+STATIC_ASSERT(ARDUINO_LMIC_VERSION_GET_LOCAL(ARDUINO_LMIC_VERSION_CALC(1,2,3,4)) == 4);
+
+void setup()
+	{
+	}
+
+void loop()
+	{
+	}

lib/arduino-lmic-mcci-v2.2.2/examples/raw-feather/raw-feather.ino

@@ -0,0 +1,441 @@
+/*
+
+Module:  raw-feather.ino
+
+Function:
+        Slightly improved Raw test example, for Adafruit Feather M0 LoRa
+
+Copyright notice and License:
+        See LICENSE file accompanying this project.
+
+Author:
+        Matthijs Kooijman  2015
+        Terry Moore, MCCI Corporation	April 2017
+
+*/
+
+/*******************************************************************************
+ * Copyright (c) 2015 Matthijs Kooijman
+ *
+ * Permission is hereby granted, free of charge, to anyone
+ * obtaining a copy of this document and accompanying files,
+ * to do whatever they want with them without any restriction,
+ * including, but not limited to, copying, modification and redistribution.
+ * NO WARRANTY OF ANY KIND IS PROVIDED.
+ *
+ * This example transmits data on hardcoded channel and receives data
+ * when not transmitting. Running this sketch on two nodes should allow
+ * them to communicate.
+ *******************************************************************************/
+
+#include <lmic.h>
+#include <hal/hal.h>
+#include <SPI.h>
+
+#include <stdarg.h>
+#include <stdio.h>
+
+// we formerly would check this configuration; but now there is a flag,
+// in the LMIC, LMIC.noRXIQinversion;
+// if we set that during init, we get the same effect.  If
+// DISABLE_INVERT_IQ_ON_RX is defined, it means that LMIC.noRXIQinversion is
+// treated as always set.
+//
+// #if !defined(DISABLE_INVERT_IQ_ON_RX)
+// #error This example requires DISABLE_INVERT_IQ_ON_RX to be set. Update \
+//        lmic_project_config.h in arduino-lmic/project_config to set it.
+// #endif
+
+// How often to send a packet. Note that this sketch bypasses the normal
+// LMIC duty cycle limiting, so when you change anything in this sketch
+// (payload length, frequency, spreading factor), be sure to check if
+// this interval should not also be increased.
+// See this spreadsheet for an easy airtime and duty cycle calculator:
+// https://docs.google.com/spreadsheets/d/1voGAtQAjC1qBmaVuP1ApNKs1ekgUjavHuVQIXyYSvNc
+
+#define TX_INTERVAL 2000        // milliseconds
+#define RX_RSSI_INTERVAL 100    // milliseconds
+
+// Pin mapping for Adafruit Feather M0 LoRa, etc.
+#if defined(ARDUINO_SAMD_FEATHER_M0)
+const lmic_pinmap lmic_pins = {
+    .nss = 8,
+    .rxtx = LMIC_UNUSED_PIN,
+    .rst = 4,
+    .dio = {3, 6, LMIC_UNUSED_PIN},
+    .rxtx_rx_active = 0,
+    .rssi_cal = 8,              // LBT cal for the Adafruit Feather M0 LoRa, in dB
+    .spi_freq = 8000000,
+};
+#elif defined(ARDUINO_AVR_FEATHER32U4)
+// Pin mapping for Adafruit Feather 32u4 LoRa, etc.
+// Just like Feather M0 LoRa, but uses SPI at 1MHz; and that's only
+// because MCCI doesn't have a test board; probably higher frequencies
+// will work.
+const lmic_pinmap lmic_pins = {
+    .nss = 8,
+    .rxtx = LMIC_UNUSED_PIN,
+    .rst = 4,
+    .dio = {3, 6, LMIC_UNUSED_PIN},
+    .rxtx_rx_active = 0,
+    .rssi_cal = 8,              // LBT cal for the Adafruit Feather M0 LoRa, in dB
+    .spi_freq = 1000000,
+};
+#elif defined(ARDUINO_CATENA_4551)
+const lmic_pinmap lmic_pins = {
+        .nss = 7,
+        .rxtx = 29,
+        .rst = 8,
+        .dio = { 25,    // DIO0 (IRQ) is D25
+                 26,    // DIO1 is D26
+                 27,    // DIO2 is D27
+               },
+        .rxtx_rx_active = 1,
+        .rssi_cal = 10,
+        .spi_freq = 8000000     // 8MHz
+};
+#else
+# error "Unknown target"
+#endif
+
+// These callbacks are only used in over-the-air activation, so they are
+// left empty here (we cannot leave them out completely unless
+// DISABLE_JOIN is set in arduino-lmoc/project_config/lmic_project_config.h,
+// otherwise the linker will complain).
+void os_getArtEui (u1_t* buf) { }
+void os_getDevEui (u1_t* buf) { }
+void os_getDevKey (u1_t* buf) { }
+
+// this gets callled by the library but we choose not to display any info;
+// and no action is required.
+void onEvent (ev_t ev) {
+}
+
+extern "C" {
+void lmic_printf(const char *fmt, ...);
+};
+
+void lmic_printf(const char *fmt, ...) {
+        if (! Serial.dtr())
+                return;
+
+        char buf[256];
+        va_list ap;
+
+        va_start(ap, fmt);
+        (void) vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
+        va_end(ap);
+
+        // in case we overflowed:
+        buf[sizeof(buf) - 1] = '\0';
+        if (Serial.dtr()) Serial.print(buf);
+}
+
+osjob_t txjob;
+osjob_t timeoutjob;
+static void tx_func (osjob_t* job);
+
+// Transmit the given string and call the given function afterwards
+void tx(const char *str, osjobcb_t func) {
+  // the radio is probably in RX mode; stop it.
+  os_radio(RADIO_RST);
+  // wait a bit so the radio can come out of RX mode
+  delay(1);
+
+  // prepare data
+  LMIC.dataLen = 0;
+  while (*str)
+    LMIC.frame[LMIC.dataLen++] = *str++;
+
+  // set completion function.
+  LMIC.osjob.func = func;
+
+  // start the transmission
+  os_radio(RADIO_TX);
+  Serial.println("TX");
+}
+
+// Enable rx mode and call func when a packet is received
+void rx(osjobcb_t func) {
+  LMIC.osjob.func = func;
+  LMIC.rxtime = os_getTime(); // RX _now_
+  // Enable "continuous" RX (e.g. without a timeout, still stops after
+  // receiving a packet)
+  os_radio(RADIO_RXON);
+  Serial.println("RX");
+}
+
+static void rxtimeout_func(osjob_t *job) {
+  digitalWrite(LED_BUILTIN, LOW); // off
+}
+
+static void rx_func (osjob_t* job) {
+  // Blink once to confirm reception and then keep the led on
+  digitalWrite(LED_BUILTIN, LOW); // off
+  delay(10);
+  digitalWrite(LED_BUILTIN, HIGH); // on
+
+  // Timeout RX (i.e. update led status) after 3 periods without RX
+  os_setTimedCallback(&timeoutjob, os_getTime() + ms2osticks(3*TX_INTERVAL), rxtimeout_func);
+
+  // Reschedule TX so that it should not collide with the other side's
+  // next TX
+  os_setTimedCallback(&txjob, os_getTime() + ms2osticks(TX_INTERVAL/2), tx_func);
+
+  Serial.print("Got ");
+  Serial.print(LMIC.dataLen);
+  Serial.println(" bytes");
+  Serial.write(LMIC.frame, LMIC.dataLen);
+  Serial.println();
+
+  // Restart RX
+  rx(rx_func);
+}
+
+static void txdone_func (osjob_t* job) {
+  rx(rx_func);
+}
+
+// log text to USART and toggle LED
+static void tx_func (osjob_t* job) {
+  // say hello
+  tx("Hello, world!", txdone_func);
+  // reschedule job every TX_INTERVAL (plus a bit of random to prevent
+  // systematic collisions), unless packets are received, then rx_func
+  // will reschedule at half this time.
+  os_setTimedCallback(job, os_getTime() + ms2osticks(TX_INTERVAL + random(500)), tx_func);
+}
+
+// application entry point
+void setup() {
+  // delay(3000) makes recovery from botched images much easier, as it
+  // gives the host time to break in to start a download. Without it,
+  // you get to the crash before the host can break in.
+  delay(3000);
+
+  // even after the delay, we wait for the host to open the port. operator
+  // bool(Serial) just checks dtr(), and it tosses in a 10ms delay.
+  while(! Serial.dtr())
+        /* wait for the PC */;
+
+  Serial.begin(115200);
+  Serial.println("Starting");
+
+  #ifdef VCC_ENABLE
+  // For Pinoccio Scout boards
+  pinMode(VCC_ENABLE, OUTPUT);
+  digitalWrite(VCC_ENABLE, HIGH);
+  delay(1000);
+  #endif
+
+  pinMode(LED_BUILTIN, OUTPUT);
+
+  // initialize runtime env
+  os_init();
+
+  // Set up these settings once, and use them for both TX and RX
+#ifdef ARDUINO_ARCH_STM32
+  LMIC_setClockError(10*65536/100);
+#endif
+
+#if defined(CFG_eu868)
+  // Use a frequency in the g3 which allows 10% duty cycling.
+  LMIC.freq = 869525000;
+  // Use a medium spread factor. This can be increased up to SF12 for
+  // better range, but then, the interval should be (significantly)
+  // raised to comply with duty cycle limits as well.
+  LMIC.datarate = DR_SF9;
+  // Maximum TX power
+  LMIC.txpow = 27;
+#elif defined(CFG_us915)
+  // make it easier for test, by pull the parameters up to the top of the
+  // block. Ideally, we'd use the serial port to drive this; or have
+  // a voting protocol where one side is elected the controller and
+  // guides the responder through all the channels, powers, ramps
+  // the transmit power from min to max, and measures the RSSI and SNR.
+  // Even more amazing would be a scheme where the controller could
+  // handle multiple nodes; in that case we'd have a way to do
+  // production test and qualification. However, using an RWC5020A
+  // is a much better use of development time.
+
+  // set fDownlink true to use a downlink channel; false
+  // to use an uplink channel. Generally speaking, uplink
+  // is more interesting, because you can prove that gateways
+  // *should* be able to hear you.
+  const static bool fDownlink = false;
+
+  // the downlink channel to be used.
+  const static uint8_t kDownlinkChannel = 3;
+
+  // the uplink channel to be used.
+  const static uint8_t kUplinkChannel = 8 + 3;
+
+  // this is automatically set to the proper bandwidth in kHz,
+  // based on the selected channel.
+  uint32_t uBandwidth;
+
+  if (! fDownlink)
+        {
+        if (kUplinkChannel < 64)
+                {
+                LMIC.freq = US915_125kHz_UPFBASE +
+                            kUplinkChannel * US915_125kHz_UPFSTEP;
+                uBandwidth = 125;
+                }
+        else
+                {
+                LMIC.freq = US915_500kHz_UPFBASE +
+                            (kUplinkChannel - 64) * US915_500kHz_UPFSTEP;
+                uBandwidth = 500;
+                }
+        }
+  else
+        {
+        // downlink channel
+        LMIC.freq = US915_500kHz_DNFBASE +
+                    kDownlinkChannel * US915_500kHz_DNFSTEP;
+        uBandwidth = 500;
+        }
+
+  // Use a suitable spreading factor
+  if (uBandwidth < 500)
+        LMIC.datarate = US915_DR_SF7;         // DR4
+  else
+        LMIC.datarate = US915_DR_SF12CR;      // DR8
+
+  // default tx power for US: 21 dBm
+  LMIC.txpow = 21;
+#elif defined(CFG_au921)
+  // make it easier for test, by pull the parameters up to the top of the
+  // block. Ideally, we'd use the serial port to drive this; or have
+  // a voting protocol where one side is elected the controller and
+  // guides the responder through all the channels, powers, ramps
+  // the transmit power from min to max, and measures the RSSI and SNR.
+  // Even more amazing would be a scheme where the controller could
+  // handle multiple nodes; in that case we'd have a way to do
+  // production test and qualification. However, using an RWC5020A
+  // is a much better use of development time.
+
+  // set fDownlink true to use a downlink channel; false
+  // to use an uplink channel. Generally speaking, uplink
+  // is more interesting, because you can prove that gateways
+  // *should* be able to hear you.
+  const static bool fDownlink = false;
+
+  // the downlink channel to be used.
+  const static uint8_t kDownlinkChannel = 3;
+
+  // the uplink channel to be used.
+  const static uint8_t kUplinkChannel = 8 + 3;
+
+  // this is automatically set to the proper bandwidth in kHz,
+  // based on the selected channel.
+  uint32_t uBandwidth;
+
+  if (! fDownlink)
+        {
+        if (kUplinkChannel < 64)
+                {
+                LMIC.freq = AU921_125kHz_UPFBASE +
+                            kUplinkChannel * AU921_125kHz_UPFSTEP;
+                uBandwidth = 125;
+                }
+        else
+                {
+                LMIC.freq = AU921_500kHz_UPFBASE +
+                            (kUplinkChannel - 64) * AU921_500kHz_UPFSTEP;
+                uBandwidth = 500;
+                }
+        }
+  else
+        {
+        // downlink channel
+        LMIC.freq = AU921_500kHz_DNFBASE +
+                    kDownlinkChannel * AU921_500kHz_DNFSTEP;
+        uBandwidth = 500;
+        }
+
+  // Use a suitable spreading factor
+  if (uBandwidth < 500)
+        LMIC.datarate = AU921_DR_SF7;         // DR4
+  else
+        LMIC.datarate = AU921_DR_SF12CR;      // DR8
+
+  // default tx power for AU: 30 dBm
+  LMIC.txpow = 30;
+#elif defined(CFG_as923)
+// make it easier for test, by pull the parameters up to the top of the
+// block. Ideally, we'd use the serial port to drive this; or have
+// a voting protocol where one side is elected the controller and
+// guides the responder through all the channels, powers, ramps
+// the transmit power from min to max, and measures the RSSI and SNR.
+// Even more amazing would be a scheme where the controller could
+// handle multiple nodes; in that case we'd have a way to do
+// production test and qualification. However, using an RWC5020A
+// is a much better use of development time.
+        const static uint8_t kChannel = 0;
+        uint32_t uBandwidth;
+
+        LMIC.freq = AS923_F1 + kChannel * 200000;
+        uBandwidth = 125;
+
+        // Use a suitable spreading factor
+        if (uBandwidth == 125)
+                LMIC.datarate = AS923_DR_SF7;         // DR7
+        else
+                LMIC.datarate = AS923_DR_SF7B;        // DR8
+
+        // default tx power for AS: 21 dBm
+        LMIC.txpow = 16;
+
+        if (LMIC_COUNTRY_CODE == LMIC_COUNTRY_CODE_JP)
+                {
+                LMIC.lbt_ticks = us2osticks(AS923JP_LBT_US);
+                LMIC.lbt_dbmax = AS923JP_LBT_DB_MAX;
+                }
+#elif defined(CFG_in866)
+// make it easier for test, by pull the parameters up to the top of the
+// block. Ideally, we'd use the serial port to drive this; or have
+// a voting protocol where one side is elected the controller and
+// guides the responder through all the channels, powers, ramps
+// the transmit power from min to max, and measures the RSSI and SNR.
+// Even more amazing would be a scheme where the controller could
+// handle multiple nodes; in that case we'd have a way to do
+// production test and qualification. However, using an RWC5020A
+// is a much better use of development time.
+        const static uint8_t kChannel = 0;
+        uint32_t uBandwidth;
+
+        LMIC.freq = IN866_F1 + kChannel * 200000;
+        uBandwidth = 125;
+
+        LMIC.datarate = IN866_DR_SF7;         // DR7
+        // default tx power for IN: 30 dBm
+        LMIC.txpow = IN866_TX_EIRP_MAX_DBM;
+#else
+# error Unsupported LMIC regional configuration.
+#endif
+
+
+  // disable RX IQ inversion
+  LMIC.noRXIQinversion = true;
+
+  // This sets CR 4/5, BW125 (except for EU/AS923 DR_SF7B, which uses BW250)
+  LMIC.rps = updr2rps(LMIC.datarate);
+
+  Serial.print("Frequency: "); Serial.print(LMIC.freq / 1000000);
+            Serial.print("."); Serial.print((LMIC.freq / 100000) % 10);
+            Serial.print("MHz");
+  Serial.print("  LMIC.datarate: "); Serial.print(LMIC.datarate);
+  Serial.print("  LMIC.txpow: "); Serial.println(LMIC.txpow);
+  Serial.println("Started");
+  Serial.flush();
+
+  // setup initial job
+  os_setCallback(&txjob, tx_func);
+}
+
+void loop() {
+  // execute scheduled jobs and events
+  os_runloop_once();
+}

lib/arduino-lmic-mcci-v2.2.2/examples/raw/raw.ino

@@ -0,0 +1,175 @@
+/*******************************************************************************
+ * Copyright (c) 2015 Matthijs Kooijman
+ * Copyright (c) 2018 Terry Moore, MCCI Corporation
+ *
+ * Permission is hereby granted, free of charge, to anyone
+ * obtaining a copy of this document and accompanying files,
+ * to do whatever they want with them without any restriction,
+ * including, but not limited to, copying, modification and redistribution.
+ * NO WARRANTY OF ANY KIND IS PROVIDED.
+ *
+ * This example transmits data on hardcoded channel and receives data
+ * when not transmitting. Running this sketch on two nodes should allow
+ * them to communicate.
+ *******************************************************************************/
+
+#include <lmic.h>
+#include <hal/hal.h>
+#include <SPI.h>
+
+// we formerly would check this configuration; but now there is a flag,
+// in the LMIC, LMIC.noRXIQinversion;
+// if we set that during init, we get the same effect.  If
+// DISABLE_INVERT_IQ_ON_RX is defined, it means that LMIC.noRXIQinversion is
+// treated as always set.
+//
+// #if !defined(DISABLE_INVERT_IQ_ON_RX)
+// #error This example requires DISABLE_INVERT_IQ_ON_RX to be set. Update \
+//        lmic_project_config.h in arduino-lmic/project_config to set it.
+// #endif
+
+// How often to send a packet. Note that this sketch bypasses the normal
+// LMIC duty cycle limiting, so when you change anything in this sketch
+// (payload length, frequency, spreading factor), be sure to check if
+// this interval should not also be increased.
+// See this spreadsheet for an easy airtime and duty cycle calculator:
+// https://docs.google.com/spreadsheets/d/1voGAtQAjC1qBmaVuP1ApNKs1ekgUjavHuVQIXyYSvNc 
+#define TX_INTERVAL 2000
+
+// Pin mapping
+const lmic_pinmap lmic_pins = {
+    .nss = 6,
+    .rxtx = LMIC_UNUSED_PIN,
+    .rst = 5,
+    .dio = {2, 3, 4},
+};
+
+
+// These callbacks are only used in over-the-air activation, so they are
+// left empty here (we cannot leave them out completely unless
+// DISABLE_JOIN is set in arduino-lmoc/project_config/lmic_project_config.h,
+// otherwise the linker will complain).
+void os_getArtEui (u1_t* buf) { }
+void os_getDevEui (u1_t* buf) { }
+void os_getDevKey (u1_t* buf) { }
+
+void onEvent (ev_t ev) {
+}
+
+osjob_t txjob;
+osjob_t timeoutjob;
+static void tx_func (osjob_t* job);
+
+// Transmit the given string and call the given function afterwards
+void tx(const char *str, osjobcb_t func) {
+  os_radio(RADIO_RST); // Stop RX first
+  delay(1); // Wait a bit, without this os_radio below asserts, apparently because the state hasn't changed yet
+  LMIC.dataLen = 0;
+  while (*str)
+    LMIC.frame[LMIC.dataLen++] = *str++;
+  LMIC.osjob.func = func;
+  os_radio(RADIO_TX);
+  Serial.println("TX");
+}
+
+// Enable rx mode and call func when a packet is received
+void rx(osjobcb_t func) {
+  LMIC.osjob.func = func;
+  LMIC.rxtime = os_getTime(); // RX _now_
+  // Enable "continuous" RX (e.g. without a timeout, still stops after
+  // receiving a packet)
+  os_radio(RADIO_RXON);
+  Serial.println("RX");
+}
+
+static void rxtimeout_func(osjob_t *job) {
+  digitalWrite(LED_BUILTIN, LOW); // off
+}
+
+static void rx_func (osjob_t* job) {
+  // Blink once to confirm reception and then keep the led on
+  digitalWrite(LED_BUILTIN, LOW); // off
+  delay(10);
+  digitalWrite(LED_BUILTIN, HIGH); // on
+
+  // Timeout RX (i.e. update led status) after 3 periods without RX
+  os_setTimedCallback(&timeoutjob, os_getTime() + ms2osticks(3*TX_INTERVAL), rxtimeout_func);
+
+  // Reschedule TX so that it should not collide with the other side's
+  // next TX
+  os_setTimedCallback(&txjob, os_getTime() + ms2osticks(TX_INTERVAL/2), tx_func);
+
+  Serial.print("Got ");
+  Serial.print(LMIC.dataLen);
+  Serial.println(" bytes");
+  Serial.write(LMIC.frame, LMIC.dataLen);
+  Serial.println();
+
+  // Restart RX
+  rx(rx_func);
+}
+
+static void txdone_func (osjob_t* job) {
+  rx(rx_func);
+}
+
+// log text to USART and toggle LED
+static void tx_func (osjob_t* job) {
+  // say hello
+  tx("Hello, world!", txdone_func);
+  // reschedule job every TX_INTERVAL (plus a bit of random to prevent
+  // systematic collisions), unless packets are received, then rx_func
+  // will reschedule at half this time.
+  os_setTimedCallback(job, os_getTime() + ms2osticks(TX_INTERVAL + random(500)), tx_func);
+}
+
+// application entry point
+void setup() {
+  Serial.begin(115200);
+  Serial.println("Starting");
+  #ifdef VCC_ENABLE
+  // For Pinoccio Scout boards
+  pinMode(VCC_ENABLE, OUTPUT);
+  digitalWrite(VCC_ENABLE, HIGH);
+  delay(1000);
+  #endif
+
+  pinMode(LED_BUILTIN, OUTPUT);
+
+  // initialize runtime env
+  os_init();
+
+  // Set up these settings once, and use them for both TX and RX
+
+#if defined(CFG_eu868)
+  // Use a frequency in the g3 which allows 10% duty cycling.
+  LMIC.freq = 869525000;
+#elif defined(CFG_us915)
+  LMIC.freq = 902300000;
+#else
+  error Region not supported!
+#endif
+
+  // Maximum TX power
+  LMIC.txpow = 27;
+  // Use a medium spread factor. This can be increased up to SF12 for
+  // better range, but then the interval should be (significantly)
+  // lowered to comply with duty cycle limits as well.
+  LMIC.datarate = DR_SF9;
+  // This sets CR 4/5, BW125 (except for DR_SF7B, which uses BW250)
+  LMIC.rps = updr2rps(LMIC.datarate);
+
+  // disable RX IQ inversion
+  LMIC.noRXIQinversion = true;
+
+  Serial.println("Started");
+  Serial.flush();
+
+  // setup initial job
+  os_setCallback(&txjob, tx_func);
+}
+
+void loop() {
+  // execute scheduled jobs and events
+  os_runloop_once();
+}

lib/arduino-lmic-mcci-v2.2.2/examples/ttn-abp-feather-us915-dht22/ttn-abp-feather-us915-dht22.ino

@@ -0,0 +1,266 @@
+/*******************************************************************************
+ * The Things Network - ABP Feather
+ * 
+ * Example of using an Adafruit Feather M0 and DHT22 with a
+ * single-channel TheThingsNetwork gateway.
+ * 
+ * This uses ABP (Activation by Personalization), where session keys for
+ * communication would be assigned/generated by TTN and hard-coded on the device.
+ * 
+ * Learn Guide: https://learn.adafruit.com/lora-pi
+ * 
+ * Copyright (c) 2015 Thomas Telkamp and Matthijs Kooijman
+ * Copyright (c) 2018 Terry Moore, MCCI
+ * Copyright (c) 2018 Brent Rubell, Adafruit Industries
+ * 
+ * Permission is hereby granted, free of charge, to anyone
+ * obtaining a copy of this document and accompanying files,
+ * to do whatever they want with them without any restriction,
+ * including, but not limited to, copying, modification and redistribution.
+ * NO WARRANTY OF ANY KIND IS PROVIDED.
+ *******************************************************************************/
+#include <lmic.h>
+#include <hal/hal.h>
+#include <SPI.h>
+
+// include the DHT22 Sensor Library
+#include "DHT.h"
+
+// DHT digital pin and sensor type
+#define DHTPIN 10
+#define DHTTYPE DHT22
+
+//
+// For normal use, we require that you edit the sketch to replace FILLMEIN
+// with values assigned by the TTN console. However, for regression tests,
+// we want to be able to compile these scripts. The regression tests define
+// COMPILE_REGRESSION_TEST, and in that case we define FILLMEIN to a non-
+// working but innocuous value.
+//
+#ifdef COMPILE_REGRESSION_TEST
+# define FILLMEIN 0
+#else
+# warning "You must replace the values marked FILLMEIN with real values from the TTN control panel!"
+# define FILLMEIN (#dont edit this, edit the lines that use FILLMEIN)
+#endif
+
+// LoRaWAN NwkSKey, network session key
+static const PROGMEM u1_t NWKSKEY[16] = { FILLMEIN };
+
+// LoRaWAN AppSKey, application session key
+static const u1_t PROGMEM APPSKEY[16] = { FILLMEIN };
+
+// LoRaWAN end-device address (DevAddr)
+// See http://thethingsnetwork.org/wiki/AddressSpace
+// The library converts the address to network byte order as needed.
+#ifndef COMPILE_REGRESSION_TEST
+static const u4_t DEVADDR = 0xFILLMEIN;
+#else
+static const u4_t DEVADDR = 0;
+#endif
+
+// These callbacks are only used in over-the-air activation, so they are
+// left empty here (we cannot leave them out completely unless
+// DISABLE_JOIN is set in arduino-lmic/project_config/lmic_project_config.h,
+// otherwise the linker will complain).
+void os_getArtEui (u1_t* buf) { }
+void os_getDevEui (u1_t* buf) { }
+void os_getDevKey (u1_t* buf) { }
+
+// payload to send to TTN gateway
+static uint8_t payload[5];
+static osjob_t sendjob;
+
+// Schedule TX every this many seconds (might become longer due to duty
+// cycle limitations).
+const unsigned TX_INTERVAL = 30;
+
+// Pin mapping for Adafruit Feather M0 LoRa
+const lmic_pinmap lmic_pins = {
+    .nss = 8,
+    .rxtx = LMIC_UNUSED_PIN,
+    .rst = 4,
+    .dio = {3, 6, LMIC_UNUSED_PIN},
+    .rxtx_rx_active = 0,
+    .rssi_cal = 8,              // LBT cal for the Adafruit Feather M0 LoRa, in dB
+    .spi_freq = 8000000,
+};
+
+// init. DHT
+DHT dht(DHTPIN, DHTTYPE);
+
+void onEvent (ev_t ev) {
+    Serial.print(os_getTime());
+    Serial.print(": ");
+    switch(ev) {
+        case EV_SCAN_TIMEOUT:
+            Serial.println(F("EV_SCAN_TIMEOUT"));
+            break;
+        case EV_BEACON_FOUND:
+            Serial.println(F("EV_BEACON_FOUND"));
+            break;
+        case EV_BEACON_MISSED:
+            Serial.println(F("EV_BEACON_MISSED"));
+            break;
+        case EV_BEACON_TRACKED:
+            Serial.println(F("EV_BEACON_TRACKED"));
+            break;
+        case EV_JOINING:
+            Serial.println(F("EV_JOINING"));
+            break;
+        case EV_JOINED:
+            Serial.println(F("EV_JOINED"));
+            break;
+        /*
+        || This event is defined but not used in the code. No
+        || point in wasting codespace on it.
+        ||
+        || case EV_RFU1:
+        ||     Serial.println(F("EV_RFU1"));
+        ||     break;
+        */
+        case EV_JOIN_FAILED:
+            Serial.println(F("EV_JOIN_FAILED"));
+            break;
+        case EV_REJOIN_FAILED:
+            Serial.println(F("EV_REJOIN_FAILED"));
+            break;
+        case EV_TXCOMPLETE:
+            Serial.println(F("EV_TXCOMPLETE (includes waiting for RX windows)"));
+            if (LMIC.txrxFlags & TXRX_ACK)
+              Serial.println(F("Received ack"));
+            if (LMIC.dataLen) {
+              Serial.println(F("Received "));
+              Serial.println(LMIC.dataLen);
+              Serial.println(F(" bytes of payload"));
+            }
+            // Schedule next transmission
+            os_setTimedCallback(&sendjob, os_getTime()+sec2osticks(TX_INTERVAL), do_send);
+            break;
+        case EV_LOST_TSYNC:
+            Serial.println(F("EV_LOST_TSYNC"));
+            break;
+        case EV_RESET:
+            Serial.println(F("EV_RESET"));
+            break;
+        case EV_RXCOMPLETE:
+            // data received in ping slot
+            Serial.println(F("EV_RXCOMPLETE"));
+            break;
+        case EV_LINK_DEAD:
+            Serial.println(F("EV_LINK_DEAD"));
+            break;
+        case EV_LINK_ALIVE:
+            Serial.println(F("EV_LINK_ALIVE"));
+            break;
+        /*
+        || This event is defined but not used in the code. No
+        || point in wasting codespace on it.
+        ||
+        || case EV_SCAN_FOUND:
+        ||    Serial.println(F("EV_SCAN_FOUND"));
+        ||    break;
+        */
+        case EV_TXSTART:
+            Serial.println(F("EV_TXSTART"));
+            break;
+        default:
+            Serial.print(F("Unknown event: "));
+            Serial.println((unsigned) ev);
+            break;
+    }
+}
+
+void do_send(osjob_t* j){
+    // Check if there is not a current TX/RX job running
+    if (LMIC.opmode & OP_TXRXPEND) {
+        Serial.println(F("OP_TXRXPEND, not sending"));
+    } else {
+        // read the temperature from the DHT22
+        float temperature = dht.readTemperature();
+        Serial.print("Temperature: "); Serial.print(temperature);
+        Serial.println(" *C");
+        // adjust for the f2sflt16 range (-1 to 1)
+        temperature = temperature / 100; 
+
+        // read the humidity from the DHT22
+        float rHumidity = dht.readHumidity();
+        Serial.print("%RH ");
+        Serial.println(rHumidity);
+        // adjust for the f2sflt16 range (-1 to 1)
+        rHumidity = rHumidity / 100;
+        
+        // float -> int
+        // note: this uses the sflt16 datum (https://github.com/mcci-catena/arduino-lmic#sflt16)
+        uint16_t payloadTemp = LMIC_f2sflt16(temperature);
+        // int -> bytes
+        byte tempLow = lowByte(payloadTemp);
+        byte tempHigh = highByte(payloadTemp);
+        // place the bytes into the payload
+        payload[0] = tempLow;
+        payload[1] = tempHigh;
+
+        // float -> int
+        uint16_t payloadHumid = LMIC_f2sflt16(rHumidity);
+        // int -> bytes
+        byte humidLow = lowByte(payloadHumid);
+        byte humidHigh = highByte(payloadHumid);
+        payload[2] = humidLow;
+        payload[3] = humidHigh;
+
+        // prepare upstream data transmission at the next possible time.
+        // transmit on port 1 (the first parameter); you can use any value from 1 to 223 (others are reserved).
+        // don't request an ack (the last parameter, if not zero, requests an ack from the network).
+        // Remember, acks consume a lot of network resources; don't ask for an ack unless you really need it.
+        LMIC_setTxData2(1, payload, sizeof(payload)-1, 0);
+    }
+    // Next TX is scheduled after TX_COMPLETE event.
+}
+
+void setup() {
+    delay(5000);
+    while (!Serial);
+    Serial.begin(115200);
+    delay(100);
+    Serial.println(F("Starting"));
+
+    // LMIC init
+    os_init();
+    // Reset the MAC state. Session and pending data transfers will be discarded.
+    LMIC_reset();
+
+    // Set static session parameters. Instead of dynamically establishing a session
+    // by joining the network, precomputed session parameters are be provided.
+    // On AVR, these values are stored in flash and only copied to RAM
+    // once. Copy them to a temporary buffer here, LMIC_setSession will
+    // copy them into a buffer of its own again.
+    uint8_t appskey[sizeof(APPSKEY)];
+    uint8_t nwkskey[sizeof(NWKSKEY)];
+    memcpy_P(appskey, APPSKEY, sizeof(APPSKEY));
+    memcpy_P(nwkskey, NWKSKEY, sizeof(NWKSKEY));
+    LMIC_setSession (0x13, DEVADDR, nwkskey, appskey);
+    
+    // We'll disable all 72 channels used by TTN
+    for (int c = 0; c < 72; c++){
+      LMIC_disableChannel(c);
+    }
+    
+    // We'll only enable Channel 16 (905.5Mhz) since we're transmitting on a single-channel
+    LMIC_enableChannel(16);
+
+    // Disable link check validation
+    LMIC_setLinkCheckMode(0);
+
+    // TTN uses SF9 for its RX2 window.
+    LMIC.dn2Dr = DR_SF9;
+
+    // Set data rate and transmit power for uplink (note: txpow seems to be ignored by the library)
+    LMIC_setDrTxpow(DR_SF7,14);
+
+    // Start job
+    do_send(&sendjob);
+}
+
+void loop() {
+  os_runloop_once();  
+}

lib/arduino-lmic-mcci-v2.2.2/examples/ttn-abp/ttn-abp.ino

@@ -0,0 +1,276 @@
+/*******************************************************************************
+ * Copyright (c) 2015 Thomas Telkamp and Matthijs Kooijman
+ * Copyright (c) 2018 Terry Moore, MCCI
+ *
+ * Permission is hereby granted, free of charge, to anyone
+ * obtaining a copy of this document and accompanying files,
+ * to do whatever they want with them without any restriction,
+ * including, but not limited to, copying, modification and redistribution.
+ * NO WARRANTY OF ANY KIND IS PROVIDED.
+ *
+ * This example sends a valid LoRaWAN packet with payload "Hello,
+ * world!", using frequency and encryption settings matching those of
+ * the The Things Network.
+ *
+ * This uses ABP (Activation-by-personalisation), where a DevAddr and
+ * Session keys are preconfigured (unlike OTAA, where a DevEUI and
+ * application key is configured, while the DevAddr and session keys are
+ * assigned/generated in the over-the-air-activation procedure).
+ *
+ * Note: LoRaWAN per sub-band duty-cycle limitation is enforced (1% in
+ * g1, 0.1% in g2), but not the TTN fair usage policy (which is probably
+ * violated by this sketch when left running for longer)!
+ *
+ * To use this sketch, first register your application and device with
+ * the things network, to set or generate a DevAddr, NwkSKey and
+ * AppSKey. Each device should have their own unique values for these
+ * fields.
+ *
+ * Do not forget to define the radio type correctly in
+ * arduino-lmic/project_config/lmic_project_config.h or from your BOARDS.txt.
+ *
+ *******************************************************************************/
+
+ // References:
+ // [feather] adafruit-feather-m0-radio-with-lora-module.pdf
+
+#include <lmic.h>
+#include <hal/hal.h>
+#include <SPI.h>
+
+//
+// For normal use, we require that you edit the sketch to replace FILLMEIN
+// with values assigned by the TTN console. However, for regression tests,
+// we want to be able to compile these scripts. The regression tests define
+// COMPILE_REGRESSION_TEST, and in that case we define FILLMEIN to a non-
+// working but innocuous value.
+//
+#ifdef COMPILE_REGRESSION_TEST
+# define FILLMEIN 0
+#else
+# warning "You must replace the values marked FILLMEIN with real values from the TTN control panel!"
+# define FILLMEIN (#dont edit this, edit the lines that use FILLMEIN)
+#endif
+
+// LoRaWAN NwkSKey, network session key
+static const PROGMEM u1_t NWKSKEY[16] = { FILLMEIN };
+
+// LoRaWAN AppSKey, application session key
+static const u1_t PROGMEM APPSKEY[16] = { FILLMEIN };
+
+// LoRaWAN end-device address (DevAddr)
+// See http://thethingsnetwork.org/wiki/AddressSpace
+// The library converts the address to network byte order as needed.
+static const u4_t DEVADDR = FILLMEIN ; // <-- Change this address for every node!
+
+// These callbacks are only used in over-the-air activation, so they are
+// left empty here (we cannot leave them out completely unless
+// DISABLE_JOIN is set in arduino-lmic/project_config/lmic_project_config.h,
+// otherwise the linker will complain).
+void os_getArtEui (u1_t* buf) { }
+void os_getDevEui (u1_t* buf) { }
+void os_getDevKey (u1_t* buf) { }
+
+static uint8_t mydata[] = "Hello, world!";
+static osjob_t sendjob;
+
+// Schedule TX every this many seconds (might become longer due to duty
+// cycle limitations).
+const unsigned TX_INTERVAL = 60;
+
+// Pin mapping
+// Adapted for Feather M0 per p.10 of [feather]
+const lmic_pinmap lmic_pins = {
+    .nss = 8,                       // chip select on feather (rf95module) CS
+    .rxtx = LMIC_UNUSED_PIN,
+    .rst = 4,                       // reset pin
+    .dio = {6, 5, LMIC_UNUSED_PIN}, // assumes external jumpers [feather_lora_jumper]
+                                    // DIO1 is on JP1-1: is io1 - we connect to GPO6
+                                    // DIO1 is on JP5-3: is D2 - we connect to GPO5
+};
+
+void onEvent (ev_t ev) {
+    Serial.print(os_getTime());
+    Serial.print(": ");
+    switch(ev) {
+        case EV_SCAN_TIMEOUT:
+            Serial.println(F("EV_SCAN_TIMEOUT"));
+            break;
+        case EV_BEACON_FOUND:
+            Serial.println(F("EV_BEACON_FOUND"));
+            break;
+        case EV_BEACON_MISSED:
+            Serial.println(F("EV_BEACON_MISSED"));
+            break;
+        case EV_BEACON_TRACKED:
+            Serial.println(F("EV_BEACON_TRACKED"));
+            break;
+        case EV_JOINING:
+            Serial.println(F("EV_JOINING"));
+            break;
+        case EV_JOINED:
+            Serial.println(F("EV_JOINED"));
+            break;
+        /*
+        || This event is defined but not used in the code. No
+        || point in wasting codespace on it.
+        ||
+        || case EV_RFU1:
+        ||     Serial.println(F("EV_RFU1"));
+        ||     break;
+        */
+        case EV_JOIN_FAILED:
+            Serial.println(F("EV_JOIN_FAILED"));
+            break;
+        case EV_REJOIN_FAILED:
+            Serial.println(F("EV_REJOIN_FAILED"));
+            break;
+        case EV_TXCOMPLETE:
+            Serial.println(F("EV_TXCOMPLETE (includes waiting for RX windows)"));
+            if (LMIC.txrxFlags & TXRX_ACK)
+              Serial.println(F("Received ack"));
+            if (LMIC.dataLen) {
+              Serial.println(F("Received "));
+              Serial.println(LMIC.dataLen);
+              Serial.println(F(" bytes of payload"));
+            }
+            // Schedule next transmission
+            os_setTimedCallback(&sendjob, os_getTime()+sec2osticks(TX_INTERVAL), do_send);
+            break;
+        case EV_LOST_TSYNC:
+            Serial.println(F("EV_LOST_TSYNC"));
+            break;
+        case EV_RESET:
+            Serial.println(F("EV_RESET"));
+            break;
+        case EV_RXCOMPLETE:
+            // data received in ping slot
+            Serial.println(F("EV_RXCOMPLETE"));
+            break;
+        case EV_LINK_DEAD:
+            Serial.println(F("EV_LINK_DEAD"));
+            break;
+        case EV_LINK_ALIVE:
+            Serial.println(F("EV_LINK_ALIVE"));
+            break;
+        /*
+        || This event is defined but not used in the code. No
+        || point in wasting codespace on it.
+        ||
+        || case EV_SCAN_FOUND:
+        ||    Serial.println(F("EV_SCAN_FOUND"));
+        ||    break;
+        */
+        case EV_TXSTART:
+            Serial.println(F("EV_TXSTART"));
+            break;
+        default:
+            Serial.print(F("Unknown event: "));
+            Serial.println((unsigned) ev);
+            break;
+    }
+}
+
+void do_send(osjob_t* j){
+    // Check if there is not a current TX/RX job running
+    if (LMIC.opmode & OP_TXRXPEND) {
+        Serial.println(F("OP_TXRXPEND, not sending"));
+    } else {
+        // Prepare upstream data transmission at the next possible time.
+        LMIC_setTxData2(1, mydata, sizeof(mydata)-1, 0);
+        Serial.println(F("Packet queued"));
+    }
+    // Next TX is scheduled after TX_COMPLETE event.
+}
+
+void setup() {
+//    pinMode(13, OUTPUT); 
+    while (!Serial); // wait for Serial to be initialized
+    Serial.begin(115200);
+    delay(100);     // per sample code on RF_95 test
+    Serial.println(F("Starting"));
+
+    #ifdef VCC_ENABLE
+    // For Pinoccio Scout boards
+    pinMode(VCC_ENABLE, OUTPUT);
+    digitalWrite(VCC_ENABLE, HIGH);
+    delay(1000);
+    #endif
+
+    // LMIC init
+    os_init();
+    // Reset the MAC state. Session and pending data transfers will be discarded.
+    LMIC_reset();
+
+    // Set static session parameters. Instead of dynamically establishing a session
+    // by joining the network, precomputed session parameters are be provided.
+    #ifdef PROGMEM
+    // On AVR, these values are stored in flash and only copied to RAM
+    // once. Copy them to a temporary buffer here, LMIC_setSession will
+    // copy them into a buffer of its own again.
+    uint8_t appskey[sizeof(APPSKEY)];
+    uint8_t nwkskey[sizeof(NWKSKEY)];
+    memcpy_P(appskey, APPSKEY, sizeof(APPSKEY));
+    memcpy_P(nwkskey, NWKSKEY, sizeof(NWKSKEY));
+    LMIC_setSession (0x13, DEVADDR, nwkskey, appskey);
+    #else
+    // If not running an AVR with PROGMEM, just use the arrays directly
+    LMIC_setSession (0x13, DEVADDR, NWKSKEY, APPSKEY);
+    #endif
+
+    #if defined(CFG_eu868)
+    // Set up the channels used by the Things Network, which corresponds
+    // to the defaults of most gateways. Without this, only three base
+    // channels from the LoRaWAN specification are used, which certainly
+    // works, so it is good for debugging, but can overload those
+    // frequencies, so be sure to configure the full frequency range of
+    // your network here (unless your network autoconfigures them).
+    // Setting up channels should happen after LMIC_setSession, as that
+    // configures the minimal channel set.
+    LMIC_setupChannel(0, 868100000, DR_RANGE_MAP(DR_SF12, DR_SF7),  BAND_CENTI);      // g-band
+    LMIC_setupChannel(1, 868300000, DR_RANGE_MAP(DR_SF12, DR_SF7B), BAND_CENTI);      // g-band
+    LMIC_setupChannel(2, 868500000, DR_RANGE_MAP(DR_SF12, DR_SF7),  BAND_CENTI);      // g-band
+    LMIC_setupChannel(3, 867100000, DR_RANGE_MAP(DR_SF12, DR_SF7),  BAND_CENTI);      // g-band
+    LMIC_setupChannel(4, 867300000, DR_RANGE_MAP(DR_SF12, DR_SF7),  BAND_CENTI);      // g-band
+    LMIC_setupChannel(5, 867500000, DR_RANGE_MAP(DR_SF12, DR_SF7),  BAND_CENTI);      // g-band
+    LMIC_setupChannel(6, 867700000, DR_RANGE_MAP(DR_SF12, DR_SF7),  BAND_CENTI);      // g-band
+    LMIC_setupChannel(7, 867900000, DR_RANGE_MAP(DR_SF12, DR_SF7),  BAND_CENTI);      // g-band
+    LMIC_setupChannel(8, 868800000, DR_RANGE_MAP(DR_FSK,  DR_FSK),  BAND_MILLI);      // g2-band
+    // TTN defines an additional channel at 869.525Mhz using SF9 for class B
+    // devices' ping slots. LMIC does not have an easy way to define set this
+    // frequency and support for class B is spotty and untested, so this
+    // frequency is not configured here.
+    #elif defined(CFG_us915)
+    // NA-US channels 0-71 are configured automatically
+    // but only one group of 8 should (a subband) should be active
+    // TTN recommends the second sub band, 1 in a zero based count.
+    // https://github.com/TheThingsNetwork/gateway-conf/blob/master/US-global_conf.json
+    LMIC_selectSubBand(1);
+    #endif
+
+    // Disable link check validation
+    LMIC_setLinkCheckMode(0);
+
+    // TTN uses SF9 for its RX2 window.
+    LMIC.dn2Dr = DR_SF9;
+
+    // Set data rate and transmit power for uplink (note: txpow seems to be ignored by the library)
+    LMIC_setDrTxpow(DR_SF7,14);
+
+    // Start job
+    do_send(&sendjob);
+}
+
+void loop() {
+    unsigned long now;
+    now = millis();
+    if ((now & 512) != 0) {
+      digitalWrite(13, HIGH);
+    }
+    else {
+      digitalWrite(13, LOW);
+    }
+      
+    os_runloop_once();
+    
+}

lib/arduino-lmic-mcci-v2.2.2/examples/ttn-otaa-feather-us915-dht22/ttn-otaa-feather-us915-dht22.ino

@@ -0,0 +1,274 @@
+/*******************************************************************************
+ * The Things Network - Sensor Data Example
+ * 
+ * Example of sending a valid LoRaWAN packet with DHT22 temperature and
+ * humidity data to The Things Networ using a Feather M0 LoRa.
+ * 
+ * Learn Guide: https://learn.adafruit.com/the-things-network-for-feather
+ * 
+ * Copyright (c) 2015 Thomas Telkamp and Matthijs Kooijman
+ * Copyright (c) 2018 Terry Moore, MCCI
+ * Copyright (c) 2018 Brent Rubell, Adafruit Industries
+ * 
+ * Permission is hereby granted, free of charge, to anyone
+ * obtaining a copy of this document and accompanying files,
+ * to do whatever they want with them without any restriction,
+ * including, but not limited to, copying, modification and redistribution.
+ * NO WARRANTY OF ANY KIND IS PROVIDED.
+ *******************************************************************************/
+#include <lmic.h>
+#include <hal/hal.h>
+#include <SPI.h>
+
+// include the DHT22 Sensor Library
+#include "DHT.h"
+
+// DHT digital pin and sensor type
+#define DHTPIN 10
+#define DHTTYPE DHT22
+
+//
+// For normal use, we require that you edit the sketch to replace FILLMEIN
+// with values assigned by the TTN console. However, for regression tests,
+// we want to be able to compile these scripts. The regression tests define
+// COMPILE_REGRESSION_TEST, and in that case we define FILLMEIN to a non-
+// working but innocuous value.
+//
+#ifdef COMPILE_REGRESSION_TEST
+#define FILLMEIN 0
+#else
+#warning "You must replace the values marked FILLMEIN with real values from the TTN control panel!"
+#define FILLMEIN (#dont edit this, edit the lines that use FILLMEIN)
+#endif
+
+// This EUI must be in little-endian format, so least-significant-byte
+// first. When copying an EUI from ttnctl output, this means to reverse
+// the bytes. For TTN issued EUIs the last bytes should be 0xD5, 0xB3,
+// 0x70.
+static const u1_t PROGMEM APPEUI[8] = { FILLMEIN };
+void os_getArtEui (u1_t* buf) { memcpy_P(buf, APPEUI, 8);}
+
+// This should also be in little endian format, see above.
+static const u1_t PROGMEM DEVEUI[8] = { FILLMEIN };
+void os_getDevEui (u1_t* buf) { memcpy_P(buf, DEVEUI, 8);}
+
+// This key should be in big endian format (or, since it is not really a
+// number but a block of memory, endianness does not really apply). In
+// practice, a key taken from the TTN console can be copied as-is.
+static const u1_t PROGMEM APPKEY[16] = { FILLMEIN };
+void os_getDevKey (u1_t* buf) {  memcpy_P(buf, APPKEY, 16);}
+
+// payload to send to TTN gateway
+static uint8_t payload[5];
+static osjob_t sendjob;
+
+// Schedule TX every this many seconds (might become longer due to duty
+// cycle limitations).
+const unsigned TX_INTERVAL = 30;
+
+// Pin mapping for Adafruit Feather M0 LoRa
+const lmic_pinmap lmic_pins = {
+    .nss = 8,
+    .rxtx = LMIC_UNUSED_PIN,
+    .rst = 4,
+    .dio = {3, 6, LMIC_UNUSED_PIN},
+    .rxtx_rx_active = 0,
+    .rssi_cal = 8,              // LBT cal for the Adafruit Feather M0 LoRa, in dB
+    .spi_freq = 8000000,
+};
+
+// init. DHT
+DHT dht(DHTPIN, DHTTYPE);
+
+void onEvent (ev_t ev) {
+    Serial.print(os_getTime());
+    Serial.print(": ");
+    switch(ev) {
+        case EV_SCAN_TIMEOUT:
+            Serial.println(F("EV_SCAN_TIMEOUT"));
+            break;
+        case EV_BEACON_FOUND:
+            Serial.println(F("EV_BEACON_FOUND"));
+            break;
+        case EV_BEACON_MISSED:
+            Serial.println(F("EV_BEACON_MISSED"));
+            break;
+        case EV_BEACON_TRACKED:
+            Serial.println(F("EV_BEACON_TRACKED"));
+            break;
+        case EV_JOINING:
+            Serial.println(F("EV_JOINING"));
+            break;
+        case EV_JOINED:
+            Serial.println(F("EV_JOINED"));
+            {
+              u4_t netid = 0;
+              devaddr_t devaddr = 0;
+              u1_t nwkKey[16];
+              u1_t artKey[16];
+              LMIC_getSessionKeys(&netid, &devaddr, nwkKey, artKey);
+              Serial.print("netid: ");
+              Serial.println(netid, DEC);
+              Serial.print("devaddr: ");
+              Serial.println(devaddr, HEX);
+              Serial.print("artKey: ");
+              for (int i=0; i<sizeof(artKey); ++i) {
+                if (i != 0)
+                  Serial.print("-");
+                Serial.print(artKey[i], HEX);
+              }
+              Serial.println("");
+              Serial.print("nwkKey: ");
+              for (int i=0; i<sizeof(nwkKey); ++i) {
+                      if (i != 0)
+                              Serial.print("-");
+                      Serial.print(nwkKey[i], HEX);
+              }
+              Serial.println("");
+            }
+            // Disable link check validation (automatically enabled
+            // during join, but because slow data rates change max TX
+      // size, we don't use it in this example.
+            LMIC_setLinkCheckMode(0);
+            break;
+        /*
+        || This event is defined but not used in the code. No
+        || point in wasting codespace on it.
+        ||
+        || case EV_RFU1:
+        ||     Serial.println(F("EV_RFU1"));
+        ||     break;
+        */
+        case EV_JOIN_FAILED:
+            Serial.println(F("EV_JOIN_FAILED"));
+            break;
+        case EV_REJOIN_FAILED:
+            Serial.println(F("EV_REJOIN_FAILED"));
+            break;
+            break;
+        case EV_TXCOMPLETE:            
+            Serial.println(F("EV_TXCOMPLETE (includes waiting for RX windows)"));
+            if (LMIC.txrxFlags & TXRX_ACK)
+              Serial.println(F("Received ack"));
+            if (LMIC.dataLen) {
+              Serial.println(F("Received "));
+              Serial.println(LMIC.dataLen);
+              Serial.println(F(" bytes of payload"));
+            }
+            // Schedule next transmission
+            os_setTimedCallback(&sendjob, os_getTime()+sec2osticks(TX_INTERVAL), do_send);
+            break;
+        case EV_LOST_TSYNC:
+            Serial.println(F("EV_LOST_TSYNC"));
+            break;
+        case EV_RESET:
+            Serial.println(F("EV_RESET"));
+            break;
+        case EV_RXCOMPLETE:
+            // data received in ping slot
+            Serial.println(F("EV_RXCOMPLETE"));
+            break;
+        case EV_LINK_DEAD:
+            Serial.println(F("EV_LINK_DEAD"));
+            break;
+        case EV_LINK_ALIVE:
+            Serial.println(F("EV_LINK_ALIVE"));
+            break;
+        /*
+        || This event is defined but not used in the code. No
+        || point in wasting codespace on it.
+        ||
+        || case EV_SCAN_FOUND:
+        ||    Serial.println(F("EV_SCAN_FOUND"));
+        ||    break;
+        */
+        case EV_TXSTART:
+            Serial.println(F("EV_TXSTART"));
+            break;
+        default:
+            Serial.print(F("Unknown event: "));
+            Serial.println((unsigned) ev);
+            break;
+    }
+}
+
+void do_send(osjob_t* j){
+    // Check if there is not a current TX/RX job running
+    if (LMIC.opmode & OP_TXRXPEND) {
+        Serial.println(F("OP_TXRXPEND, not sending"));
+    } else {
+        // read the temperature from the DHT22
+        float temperature = dht.readTemperature();
+        Serial.print("Temperature: "); Serial.print(temperature);
+        Serial.println(" *C");
+        // adjust for the f2sflt16 range (-1 to 1)
+        temperature = temperature / 100; 
+
+        // read the humidity from the DHT22
+        float rHumidity = dht.readHumidity();
+        Serial.print("%RH ");
+        Serial.println(rHumidity);
+        // adjust for the f2sflt16 range (-1 to 1)
+        rHumidity = rHumidity / 100;
+        
+        // float -> int
+        // note: this uses the sflt16 datum (https://github.com/mcci-catena/arduino-lmic#sflt16)
+        uint16_t payloadTemp = LMIC_f2sflt16(temperature);
+        // int -> bytes
+        byte tempLow = lowByte(payloadTemp);
+        byte tempHigh = highByte(payloadTemp);
+        // place the bytes into the payload
+        payload[0] = tempLow;
+        payload[1] = tempHigh;
+
+        // float -> int
+        uint16_t payloadHumid = LMIC_f2sflt16(rHumidity);
+        // int -> bytes
+        byte humidLow = lowByte(payloadHumid);
+        byte humidHigh = highByte(payloadHumid);
+        payload[2] = humidLow;
+        payload[3] = humidHigh;
+
+        // prepare upstream data transmission at the next possible time.
+        // transmit on port 1 (the first parameter); you can use any value from 1 to 223 (others are reserved).
+        // don't request an ack (the last parameter, if not zero, requests an ack from the network).
+        // Remember, acks consume a lot of network resources; don't ask for an ack unless you really need it.
+        LMIC_setTxData2(1, payload, sizeof(payload)-1, 0);
+    }
+    // Next TX is scheduled after TX_COMPLETE event.
+}
+
+void setup() {
+    delay(5000);
+    while (! Serial);
+    Serial.begin(9600);
+    Serial.println(F("Starting"));
+
+    dht.begin();
+
+    // LMIC init
+    os_init();
+    // Reset the MAC state. Session and pending data transfers will be discarded.
+    LMIC_reset();
+    // Disable link-check mode and ADR, because ADR tends to complicate testing.
+    LMIC_setLinkCheckMode(0);
+    // Set the data rate to Spreading Factor 7.  This is the fastest supported rate for 125 kHz channels, and it
+    // minimizes air time and battery power. Set the transmission power to 14 dBi (25 mW).
+    LMIC_setDrTxpow(DR_SF7,14);
+    // in the US, with TTN, it saves join time if we start on subband 1 (channels 8-15). This will
+    // get overridden after the join by parameters from the network. If working with other
+    // networks or in other regions, this will need to be changed.
+    LMIC_selectSubBand(1);
+
+    // Start job (sending automatically starts OTAA too)
+    do_send(&sendjob);
+}
+
+void loop() {
+  // we call the LMIC's runloop processor. This will cause things to happen based on events and time. One
+  // of the things that will happen is callbacks for transmission complete or received messages. We also
+  // use this loop to queue periodic data transmissions.  You can put other things here in the `loop()` routine,
+  // but beware that LoRaWAN timing is pretty tight, so if you do more than a few milliseconds of work, you
+  // will want to call `os_runloop_once()` every so often, to keep the radio running.
+  os_runloop_once();
+}

lib/arduino-lmic-mcci-v2.2.2/examples/ttn-otaa-feather-us915/ttn-otaa-feather-us915.ino

@@ -0,0 +1,274 @@
+/*******************************************************************************
+ * Copyright (c) 2015 Thomas Telkamp and Matthijs Kooijman
+ * Copyright (c) 2018 Terry Moore, MCCI
+ *
+ * Permission is hereby granted, free of charge, to anyone
+ * obtaining a copy of this document and accompanying files,
+ * to do whatever they want with them without any restriction,
+ * including, but not limited to, copying, modification and redistribution.
+ * NO WARRANTY OF ANY KIND IS PROVIDED.
+ *
+ * This example sends a valid LoRaWAN packet with payload "Hello,
+ * world!", using frequency and encryption settings matching those of
+ * the The Things Network. It's pre-configured for the Adafruit
+ * Feather M0 LoRa.
+ *
+ * This uses OTAA (Over-the-air activation), where where a DevEUI and
+ * application key is configured, which are used in an over-the-air
+ * activation procedure where a DevAddr and session keys are
+ * assigned/generated for use with all further communication.
+ *
+ * Note: LoRaWAN per sub-band duty-cycle limitation is enforced (1% in
+ * g1, 0.1% in g2), but not the TTN fair usage policy (which is probably
+ * violated by this sketch when left running for longer)!
+
+ * To use this sketch, first register your application and device with
+ * the things network, to set or generate an AppEUI, DevEUI and AppKey.
+ * Multiple devices can use the same AppEUI, but each device has its own
+ * DevEUI and AppKey.
+ *
+ * Do not forget to define the radio type correctly in
+ * arduino-lmic/project_config/lmic_project_config.h or from your BOARDS.txt.
+ *
+ *******************************************************************************/
+
+#include <lmic.h>
+#include <hal/hal.h>
+#include <SPI.h>
+
+//
+// For normal use, we require that you edit the sketch to replace FILLMEIN
+// with values assigned by the TTN console. However, for regression tests,
+// we want to be able to compile these scripts. The regression tests define
+// COMPILE_REGRESSION_TEST, and in that case we define FILLMEIN to a non-
+// working but innocuous value.
+//
+#ifdef COMPILE_REGRESSION_TEST
+# define FILLMEIN 0
+#else
+# warning "You must replace the values marked FILLMEIN with real values from the TTN control panel!"
+# define FILLMEIN (#dont edit this, edit the lines that use FILLMEIN)
+#endif
+
+// This EUI must be in little-endian format, so least-significant-byte
+// first. When copying an EUI from ttnctl output, this means to reverse
+// the bytes. For TTN issued EUIs the last bytes should be 0xD5, 0xB3,
+// 0x70.
+static const u1_t PROGMEM APPEUI[8]= { FILLMEIN };
+void os_getArtEui (u1_t* buf) { memcpy_P(buf, APPEUI, 8);}
+
+// This should also be in little endian format, see above.
+static const u1_t PROGMEM DEVEUI[8]= { FILLMEIN };
+void os_getDevEui (u1_t* buf) { memcpy_P(buf, DEVEUI, 8);}
+
+// This key should be in big endian format (or, since it is not really a
+// number but a block of memory, endianness does not really apply). In
+// practice, a key taken from the TTN console can be copied as-is.
+static const u1_t PROGMEM APPKEY[16] = { FILLMEIN };
+void os_getDevKey (u1_t* buf) {  memcpy_P(buf, APPKEY, 16);}
+
+static uint8_t mydata[] = "Hello, world!";
+static osjob_t sendjob;
+
+// Schedule TX every this many seconds (might become longer due to duty
+// cycle limitations).
+const unsigned TX_INTERVAL = 60;
+
+// Pin mapping
+#if defined(ARDUINO_SAMD_FEATHER_M0)
+// Pin mapping for Adafruit Feather M0 LoRa, etc.
+const lmic_pinmap lmic_pins = {
+    .nss = 8,
+    .rxtx = LMIC_UNUSED_PIN,
+    .rst = 4,
+    .dio = {3, 6, LMIC_UNUSED_PIN},
+    .rxtx_rx_active = 0,
+    .rssi_cal = 8,              // LBT cal for the Adafruit Feather M0 LoRa, in dB
+    .spi_freq = 8000000,
+};
+#elif defined(ARDUINO_AVR_FEATHER32U4)
+// Pin mapping for Adafruit Feather 32u4 LoRa, etc.
+// Just like Feather M0 LoRa, but uses SPI at 1MHz; and that's only
+// because MCCI doesn't have a test board; probably higher frequencies
+// will work.
+const lmic_pinmap lmic_pins = {
+    .nss = 8,
+    .rxtx = LMIC_UNUSED_PIN,
+    .rst = 4,
+    .dio = {3, 6, LMIC_UNUSED_PIN},
+    .rxtx_rx_active = 0,
+    .rssi_cal = 8,              // LBT cal for the Adafruit Feather M0 LoRa, in dB
+    .spi_freq = 1000000,
+};
+#elif defined(ARDUINO_CATENA_4551)
+// Pin mapping for Murata module / Catena 4551
+const lmic_pinmap lmic_pins = {
+        .nss = 7,
+        .rxtx = 29,
+        .rst = 8,
+        .dio = { 25,    // DIO0 (IRQ) is D25
+                 26,    // DIO1 is D26
+                 27,    // DIO2 is D27
+               },
+        .rxtx_rx_active = 1,
+        .rssi_cal = 10,
+        .spi_freq = 8000000     // 8MHz
+};
+#else
+# error "Unknown target"
+#endif
+
+void onEvent (ev_t ev) {
+    Serial.print(os_getTime());
+    Serial.print(": ");
+    switch(ev) {
+        case EV_SCAN_TIMEOUT:
+            Serial.println(F("EV_SCAN_TIMEOUT"));
+            break;
+        case EV_BEACON_FOUND:
+            Serial.println(F("EV_BEACON_FOUND"));
+            break;
+        case EV_BEACON_MISSED:
+            Serial.println(F("EV_BEACON_MISSED"));
+            break;
+        case EV_BEACON_TRACKED:
+            Serial.println(F("EV_BEACON_TRACKED"));
+            break;
+        case EV_JOINING:
+            Serial.println(F("EV_JOINING"));
+            break;
+        case EV_JOINED:
+            Serial.println(F("EV_JOINED"));
+            {
+              u4_t netid = 0;
+              devaddr_t devaddr = 0;
+              u1_t nwkKey[16];
+              u1_t artKey[16];
+              LMIC_getSessionKeys(&netid, &devaddr, nwkKey, artKey);
+              Serial.print("netid: ");
+              Serial.println(netid, DEC);
+              Serial.print("devaddr: ");
+              Serial.println(devaddr, HEX);
+              Serial.print("artKey: ");
+              for (int i=0; i<sizeof(artKey); ++i) {
+                if (i != 0)
+                  Serial.print("-");
+                Serial.print(artKey[i], HEX);
+              }
+              Serial.println("");
+              Serial.print("nwkKey: ");
+              for (int i=0; i<sizeof(nwkKey); ++i) {
+                      if (i != 0)
+                              Serial.print("-");
+                      Serial.print(nwkKey[i], HEX);
+              }
+              Serial.println("");
+            }
+            // Disable link check validation (automatically enabled
+            // during join, but because slow data rates change max TX
+	    // size, we don't use it in this example.
+            LMIC_setLinkCheckMode(0);
+            break;
+        /*
+        || This event is defined but not used in the code. No
+        || point in wasting codespace on it.
+        ||
+        || case EV_RFU1:
+        ||     Serial.println(F("EV_RFU1"));
+        ||     break;
+        */
+        case EV_JOIN_FAILED:
+            Serial.println(F("EV_JOIN_FAILED"));
+            break;
+        case EV_REJOIN_FAILED:
+            Serial.println(F("EV_REJOIN_FAILED"));
+            break;
+            break;
+        case EV_TXCOMPLETE:
+            Serial.println(F("EV_TXCOMPLETE (includes waiting for RX windows)"));
+            if (LMIC.txrxFlags & TXRX_ACK)
+              Serial.println(F("Received ack"));
+            if (LMIC.dataLen) {
+              Serial.println(F("Received "));
+              Serial.println(LMIC.dataLen);
+              Serial.println(F(" bytes of payload"));
+            }
+            // Schedule next transmission
+            os_setTimedCallback(&sendjob, os_getTime()+sec2osticks(TX_INTERVAL), do_send);
+            break;
+        case EV_LOST_TSYNC:
+            Serial.println(F("EV_LOST_TSYNC"));
+            break;
+        case EV_RESET:
+            Serial.println(F("EV_RESET"));
+            break;
+        case EV_RXCOMPLETE:
+            // data received in ping slot
+            Serial.println(F("EV_RXCOMPLETE"));
+            break;
+        case EV_LINK_DEAD:
+            Serial.println(F("EV_LINK_DEAD"));
+            break;
+        case EV_LINK_ALIVE:
+            Serial.println(F("EV_LINK_ALIVE"));
+            break;
+        /*
+        || This event is defined but not used in the code. No
+        || point in wasting codespace on it.
+        ||
+        || case EV_SCAN_FOUND:
+        ||    Serial.println(F("EV_SCAN_FOUND"));
+        ||    break;
+        */
+        case EV_TXSTART:
+            Serial.println(F("EV_TXSTART"));
+            break;
+        default:
+            Serial.print(F("Unknown event: "));
+            Serial.println((unsigned) ev);
+            break;
+    }
+}
+
+void do_send(osjob_t* j){
+    // Check if there is not a current TX/RX job running
+    if (LMIC.opmode & OP_TXRXPEND) {
+        Serial.println(F("OP_TXRXPEND, not sending"));
+    } else {
+        // Prepare upstream data transmission at the next possible time.
+        LMIC_setTxData2(1, mydata, sizeof(mydata)-1, 0);
+        Serial.println(F("Packet queued"));
+    }
+    // Next TX is scheduled after TX_COMPLETE event.
+}
+
+void setup() {
+    delay(5000);
+    while (! Serial)
+        ;
+    Serial.begin(9600);
+    Serial.println(F("Starting"));
+
+    #ifdef VCC_ENABLE
+    // For Pinoccio Scout boards
+    pinMode(VCC_ENABLE, OUTPUT);
+    digitalWrite(VCC_ENABLE, HIGH);
+    delay(1000);
+    #endif
+
+    // LMIC init
+    os_init();
+    // Reset the MAC state. Session and pending data transfers will be discarded.
+    LMIC_reset();
+
+    LMIC_setLinkCheckMode(0);
+    LMIC_setDrTxpow(DR_SF7,14);
+    LMIC_selectSubBand(1);
+
+    // Start job (sending automatically starts OTAA too)
+    do_send(&sendjob);
+}
+
+void loop() {
+    os_runloop_once();
+}

lib/arduino-lmic-mcci-v2.2.2/examples/ttn-otaa-network-time/ttn-otaa-network-time.ino

@@ -0,0 +1,293 @@
+/*******************************************************************************
+ * Copyright (c) 2015 Thomas Telkamp and Matthijs Kooijman
+ * Copyright (c) 2018 Terry Moore, MCCI
+ *
+ * Permission is hereby granted, free of charge, to anyone
+ * obtaining a copy of this document and accompanying files,
+ * to do whatever they want with them without any restriction,
+ * including, but not limited to, copying, modification and redistribution.
+ * NO WARRANTY OF ANY KIND IS PROVIDED.
+ *
+ * This example sends a valid LoRaWAN packet with payload "Hello,
+ * world!", using frequency and encryption settings matching those of
+ * the The Things Network.
+ *
+ * This uses OTAA (Over-the-air activation), where where a DevEUI and
+ * application key is configured, which are used in an over-the-air
+ * activation procedure where a DevAddr and session keys are
+ * assigned/generated for use with all further communication.
+ *
+ * Note: LoRaWAN per sub-band duty-cycle limitation is enforced (1% in
+ * g1, 0.1% in g2), but not the TTN fair usage policy (which is probably
+ * violated by this sketch when left running for longer)!
+
+ * To use this sketch, first register your application and device with
+ * the things network, to set or generate an AppEUI, DevEUI and AppKey.
+ * Multiple devices can use the same AppEUI, but each device has its own
+ * DevEUI and AppKey.
+ *
+ * Do not forget to define the radio type correctly in config.h.
+ *
+ *******************************************************************************/
+
+#include <Time.h>
+#include <lmic.h>
+#include <hal/hal.h>
+#include <SPI.h>
+
+//
+// For normal use, we require that you edit the sketch to replace FILLMEIN
+// with values assigned by the TTN console. However, for regression tests,
+// we want to be able to compile these scripts. The regression tests define
+// COMPILE_REGRESSION_TEST, and in that case we define FILLMEIN to a non-
+// working but innocuous value.
+//
+#ifdef COMPILE_REGRESSION_TEST
+# define FILLMEIN 0
+#else
+# warning "You must replace the values marked FILLMEIN with real values from the TTN control panel!"
+# define FILLMEIN (#dont edit this, edit the lines that use FILLMEIN)
+#endif
+
+
+// This EUI must be in little-endian format, so least-significant-byte
+// first. When copying an EUI from ttnctl output, this means to reverse
+// the bytes. For TTN issued EUIs the last bytes should be 0xD5, 0xB3,
+// 0x70.
+static const u1_t PROGMEM APPEUI[8]={ FILLMEIN };
+void os_getArtEui (u1_t* buf) { memcpy_P(buf, APPEUI, 8);}
+
+// This should also be in little endian format, see above.
+static const u1_t PROGMEM DEVEUI[8]={ FILLMEIN };
+void os_getDevEui (u1_t* buf) { memcpy_P(buf, DEVEUI, 8);}
+
+// This key should be in big endian format (or, since it is not really a
+// number but a block of memory, endianness does not really apply). In
+// practice, a key taken from ttnctl can be copied as-is.
+static const u1_t PROGMEM APPKEY[16] = { FILLMEIN };
+void os_getDevKey (u1_t* buf) {  memcpy_P(buf, APPKEY, 16);}
+
+static uint8_t mydata[] = "Hello, world!";
+static osjob_t sendjob;
+
+// Schedule TX every this many seconds (might become longer due to duty
+// cycle limitations).
+const unsigned TX_INTERVAL = 60;
+
+// Pin mapping
+const lmic_pinmap lmic_pins = {
+    .nss = 6,
+    .rxtx = LMIC_UNUSED_PIN,
+    .rst = 5,
+    .dio = {2, 3, 4},
+};
+
+void onEvent (ev_t ev) {
+    Serial.print(os_getTime());
+    Serial.print(": ");
+    switch(ev) {
+        case EV_SCAN_TIMEOUT:
+            Serial.println(F("EV_SCAN_TIMEOUT"));
+            break;
+        case EV_BEACON_FOUND:
+            Serial.println(F("EV_BEACON_FOUND"));
+            break;
+        case EV_BEACON_MISSED:
+            Serial.println(F("EV_BEACON_MISSED"));
+            break;
+        case EV_BEACON_TRACKED:
+            Serial.println(F("EV_BEACON_TRACKED"));
+            break;
+        case EV_JOINING:
+            Serial.println(F("EV_JOINING"));
+            break;
+        case EV_JOINED:
+            Serial.println(F("EV_JOINED"));
+            {
+              u4_t netid = 0;
+              devaddr_t devaddr = 0;
+              u1_t nwkKey[16];
+              u1_t artKey[16];
+              LMIC_getSessionKeys(&netid, &devaddr, nwkKey, artKey);
+              Serial.print("netid: ");
+              Serial.println(netid, DEC);
+              Serial.print("devaddr: ");
+              Serial.println(devaddr, HEX);
+              Serial.print("artKey: ");
+              for (int i=0; i<sizeof(artKey); ++i) {
+                Serial.print(artKey[i], HEX);
+              }
+              Serial.println("");
+              Serial.print("nwkKey: ");
+              for (int i=0; i<sizeof(nwkKey); ++i) {
+                Serial.print(nwkKey[i], HEX);
+              }
+              Serial.println("");
+            }
+            // Disable link check validation (automatically enabled
+            // during join, but because slow data rates change max TX
+	    // size, we don't use it in this example.
+            LMIC_setLinkCheckMode(0);
+            break;
+        /*
+        || This event is defined but not used in the code. No
+        || point in wasting codespace on it.
+        ||
+        || case EV_RFU1:
+        ||     Serial.println(F("EV_RFU1"));
+        ||     break;
+        */
+        case EV_JOIN_FAILED:
+            Serial.println(F("EV_JOIN_FAILED"));
+            break;
+        case EV_REJOIN_FAILED:
+            Serial.println(F("EV_REJOIN_FAILED"));
+            break;
+        case EV_TXCOMPLETE:
+            Serial.println(F("EV_TXCOMPLETE (includes waiting for RX windows)"));
+            if (LMIC.txrxFlags & TXRX_ACK)
+              Serial.println(F("Received ack"));
+            if (LMIC.dataLen) {
+              Serial.print(F("Received "));
+              Serial.print(LMIC.dataLen);
+              Serial.println(F(" bytes of payload"));
+            }
+            // Schedule next transmission
+            os_setTimedCallback(&sendjob, os_getTime() + sec2osticks(TX_INTERVAL), do_send);
+            break;
+        case EV_LOST_TSYNC:
+            Serial.println(F("EV_LOST_TSYNC"));
+            break;
+        case EV_RESET:
+            Serial.println(F("EV_RESET"));
+            break;
+        case EV_RXCOMPLETE:
+            // data received in ping slot
+            Serial.println(F("EV_RXCOMPLETE"));
+            break;
+        case EV_LINK_DEAD:
+            Serial.println(F("EV_LINK_DEAD"));
+            break;
+        case EV_LINK_ALIVE:
+            Serial.println(F("EV_LINK_ALIVE"));
+            break;
+        /*
+        || This event is defined but not used in the code. No
+        || point in wasting codespace on it.
+        ||
+        || case EV_SCAN_FOUND:
+        ||    Serial.println(F("EV_SCAN_FOUND"));
+        ||    break;
+        */
+        case EV_TXSTART:
+            Serial.println(F("EV_TXSTART"));
+            break;
+        default:
+            Serial.print(F("Unknown event: "));
+            Serial.println((unsigned) ev);
+            break;
+    }
+}
+
+uint32_t userUTCTime; // Seconds since the UTC epoch
+
+// Utility function for digital clock display: prints preceding colon and
+// leading 0
+void printDigits(int digits) {
+    Serial.print(':');
+    if (digits < 10) Serial.print('0');
+    Serial.print(digits);
+}
+
+void user_request_network_time_callback(void *pVoidUserUTCTime, int flagSuccess) {
+    // Explicit conversion from void* to uint32_t* to avoid compiler errors
+    uint32_t *pUserUTCTime = (uint32_t *) pVoidUserUTCTime;
+
+    // A struct that will be populated by LMIC_getNetworkTimeReference.
+    // It contains the following fields:
+    //  - tLocal: the value returned by os_GetTime() when the time
+    //            request was sent to the gateway, and
+    //  - tNetwork: the seconds between the GPS epoch and the time
+    //              the gateway received the time request
+    lmic_time_reference_t lmicTimeReference;
+
+    if (flagSuccess != 1) {
+        Serial.println(F("USER CALLBACK: Not a success"));
+        return;
+    }
+
+    // Populate "lmic_time_reference"
+    flagSuccess = LMIC_getNetworkTimeReference(&lmicTimeReference);
+    if (flagSuccess != 1) {
+        Serial.println(F("USER CALLBACK: LMIC_getNetworkTimeReference didn't succeed"));
+        return;
+    }
+
+    // Update userUTCTime, considering the difference between the GPS and UTC
+    // epoch, and the leap seconds
+    *pUserUTCTime = lmicTimeReference.tNetwork + 315964800;
+
+    // Add the delay between the instant the time was transmitted and
+    // the current time
+
+    // Current time, in ticks
+    ostime_t ticksNow = os_getTime();
+    // Time when the request was sent, in ticks
+    ostime_t ticksRequestSent = lmicTimeReference.tLocal;
+    uint32_t requestDelaySec = osticks2ms(ticksNow - ticksRequestSent) / 1000;
+    *pUserUTCTime += requestDelaySec;
+
+    // Update the system time with the time read from the network
+    setTime(*pUserUTCTime);
+
+    Serial.print(F("The current UTC time is: "));
+    Serial.print(hour());
+    printDigits(minute());
+    printDigits(second());
+    Serial.print(' ');
+    Serial.print(day());
+    Serial.print('/');
+    Serial.print(month());
+    Serial.print('/');
+    Serial.print(year());
+    Serial.println();
+}
+
+void do_send(osjob_t* j) {
+    // Check if there is not a current TX/RX job running
+    if (LMIC.opmode & OP_TXRXPEND) {
+        Serial.println(F("OP_TXRXPEND, not sending"));
+    } else {
+        // Schedule a network time request at the next possible time
+        LMIC_requestNetworkTime(user_request_network_time_callback, &userUTCTime);
+
+        // Prepare upstream data transmission at the next possible time.
+        LMIC_setTxData2(1, mydata, sizeof(mydata)-1, 0);
+        Serial.println(F("Packet queued"));
+    }
+    // Next TX is scheduled after TX_COMPLETE event.
+}
+
+void setup() {
+    Serial.begin(9600);
+    Serial.println(F("Starting"));
+
+    #ifdef VCC_ENABLE
+    // For Pinoccio Scout boards
+    pinMode(VCC_ENABLE, OUTPUT);
+    digitalWrite(VCC_ENABLE, HIGH);
+    delay(1000);
+    #endif
+
+    // LMIC init
+    os_init();
+    // Reset the MAC state. Session and pending data transfers will be discarded.
+    LMIC_reset();
+
+    // Start job (sending automatically starts OTAA too)
+    do_send(&sendjob);
+}
+
+void loop() {
+    os_runloop_once();
+}

lib/arduino-lmic-mcci-v2.2.2/examples/ttn-otaa/ttn-otaa.ino

@@ -0,0 +1,225 @@
+/*******************************************************************************
+ * Copyright (c) 2015 Thomas Telkamp and Matthijs Kooijman
+ * Copyright (c) 2018 Terry Moore, MCCI
+ *
+ * Permission is hereby granted, free of charge, to anyone
+ * obtaining a copy of this document and accompanying files,
+ * to do whatever they want with them without any restriction,
+ * including, but not limited to, copying, modification and redistribution.
+ * NO WARRANTY OF ANY KIND IS PROVIDED.
+ *
+ * This example sends a valid LoRaWAN packet with payload "Hello,
+ * world!", using frequency and encryption settings matching those of
+ * the The Things Network.
+ *
+ * This uses OTAA (Over-the-air activation), where where a DevEUI and
+ * application key is configured, which are used in an over-the-air
+ * activation procedure where a DevAddr and session keys are
+ * assigned/generated for use with all further communication.
+ *
+ * Note: LoRaWAN per sub-band duty-cycle limitation is enforced (1% in
+ * g1, 0.1% in g2), but not the TTN fair usage policy (which is probably
+ * violated by this sketch when left running for longer)!
+
+ * To use this sketch, first register your application and device with
+ * the things network, to set or generate an AppEUI, DevEUI and AppKey.
+ * Multiple devices can use the same AppEUI, but each device has its own
+ * DevEUI and AppKey.
+ *
+ * Do not forget to define the radio type correctly in
+ * arduino-lmic/project_config/lmic_project_config.h or from your BOARDS.txt.
+ *
+ *******************************************************************************/
+
+#include <lmic.h>
+#include <hal/hal.h>
+#include <SPI.h>
+
+//
+// For normal use, we require that you edit the sketch to replace FILLMEIN
+// with values assigned by the TTN console. However, for regression tests,
+// we want to be able to compile these scripts. The regression tests define
+// COMPILE_REGRESSION_TEST, and in that case we define FILLMEIN to a non-
+// working but innocuous value.
+//
+#ifdef COMPILE_REGRESSION_TEST
+# define FILLMEIN 0
+#else
+# warning "You must replace the values marked FILLMEIN with real values from the TTN control panel!"
+# define FILLMEIN (#dont edit this, edit the lines that use FILLMEIN)
+#endif
+
+// This EUI must be in little-endian format, so least-significant-byte
+// first. When copying an EUI from ttnctl output, this means to reverse
+// the bytes. For TTN issued EUIs the last bytes should be 0xD5, 0xB3,
+// 0x70.
+static const u1_t PROGMEM APPEUI[8]={ FILLMEIN };
+void os_getArtEui (u1_t* buf) { memcpy_P(buf, APPEUI, 8);}
+
+// This should also be in little endian format, see above.
+static const u1_t PROGMEM DEVEUI[8]={ FILLMEIN };
+void os_getDevEui (u1_t* buf) { memcpy_P(buf, DEVEUI, 8);}
+
+// This key should be in big endian format (or, since it is not really a
+// number but a block of memory, endianness does not really apply). In
+// practice, a key taken from ttnctl can be copied as-is.
+static const u1_t PROGMEM APPKEY[16] = { FILLMEIN };
+void os_getDevKey (u1_t* buf) {  memcpy_P(buf, APPKEY, 16);}
+
+static uint8_t mydata[] = "Hello, world!";
+static osjob_t sendjob;
+
+// Schedule TX every this many seconds (might become longer due to duty
+// cycle limitations).
+const unsigned TX_INTERVAL = 60;
+
+// Pin mapping
+const lmic_pinmap lmic_pins = {
+    .nss = 6,
+    .rxtx = LMIC_UNUSED_PIN,
+    .rst = 5,
+    .dio = {2, 3, 4},
+};
+
+void onEvent (ev_t ev) {
+    Serial.print(os_getTime());
+    Serial.print(": ");
+    switch(ev) {
+        case EV_SCAN_TIMEOUT:
+            Serial.println(F("EV_SCAN_TIMEOUT"));
+            break;
+        case EV_BEACON_FOUND:
+            Serial.println(F("EV_BEACON_FOUND"));
+            break;
+        case EV_BEACON_MISSED:
+            Serial.println(F("EV_BEACON_MISSED"));
+            break;
+        case EV_BEACON_TRACKED:
+            Serial.println(F("EV_BEACON_TRACKED"));
+            break;
+        case EV_JOINING:
+            Serial.println(F("EV_JOINING"));
+            break;
+        case EV_JOINED:
+            Serial.println(F("EV_JOINED"));
+            {
+              u4_t netid = 0;
+              devaddr_t devaddr = 0;
+              u1_t nwkKey[16];
+              u1_t artKey[16];
+              LMIC_getSessionKeys(&netid, &devaddr, nwkKey, artKey);
+              Serial.print("netid: ");
+              Serial.println(netid, DEC);
+              Serial.print("devaddr: ");
+              Serial.println(devaddr, HEX);
+              Serial.print("artKey: ");
+              for (int i=0; i<sizeof(artKey); ++i) {
+                Serial.print(artKey[i], HEX);
+              }
+              Serial.println("");
+              Serial.print("nwkKey: ");
+              for (int i=0; i<sizeof(nwkKey); ++i) {
+                Serial.print(nwkKey[i], HEX);
+              }
+              Serial.println("");
+            }
+            // Disable link check validation (automatically enabled
+            // during join, but because slow data rates change max TX
+	    // size, we don't use it in this example.
+            LMIC_setLinkCheckMode(0);
+            break;
+        /*
+        || This event is defined but not used in the code. No
+        || point in wasting codespace on it.
+        ||
+        || case EV_RFU1:
+        ||     Serial.println(F("EV_RFU1"));
+        ||     break;
+        */
+        case EV_JOIN_FAILED:
+            Serial.println(F("EV_JOIN_FAILED"));
+            break;
+        case EV_REJOIN_FAILED:
+            Serial.println(F("EV_REJOIN_FAILED"));
+            break;
+        case EV_TXCOMPLETE:
+            Serial.println(F("EV_TXCOMPLETE (includes waiting for RX windows)"));
+            if (LMIC.txrxFlags & TXRX_ACK)
+              Serial.println(F("Received ack"));
+            if (LMIC.dataLen) {
+              Serial.print(F("Received "));
+              Serial.print(LMIC.dataLen);
+              Serial.println(F(" bytes of payload"));
+            }
+            // Schedule next transmission
+            os_setTimedCallback(&sendjob, os_getTime()+sec2osticks(TX_INTERVAL), do_send);
+            break;
+        case EV_LOST_TSYNC:
+            Serial.println(F("EV_LOST_TSYNC"));
+            break;
+        case EV_RESET:
+            Serial.println(F("EV_RESET"));
+            break;
+        case EV_RXCOMPLETE:
+            // data received in ping slot
+            Serial.println(F("EV_RXCOMPLETE"));
+            break;
+        case EV_LINK_DEAD:
+            Serial.println(F("EV_LINK_DEAD"));
+            break;
+        case EV_LINK_ALIVE:
+            Serial.println(F("EV_LINK_ALIVE"));
+            break;
+        /*
+        || This event is defined but not used in the code. No
+        || point in wasting codespace on it.
+        ||
+        || case EV_SCAN_FOUND:
+        ||    Serial.println(F("EV_SCAN_FOUND"));
+        ||    break;
+        */
+        case EV_TXSTART:
+            Serial.println(F("EV_TXSTART"));
+            break;
+        default:
+            Serial.print(F("Unknown event: "));
+            Serial.println((unsigned) ev);
+            break;
+    }
+}
+
+void do_send(osjob_t* j){
+    // Check if there is not a current TX/RX job running
+    if (LMIC.opmode & OP_TXRXPEND) {
+        Serial.println(F("OP_TXRXPEND, not sending"));
+    } else {
+        // Prepare upstream data transmission at the next possible time.
+        LMIC_setTxData2(1, mydata, sizeof(mydata)-1, 0);
+        Serial.println(F("Packet queued"));
+    }
+    // Next TX is scheduled after TX_COMPLETE event.
+}
+
+void setup() {
+    Serial.begin(9600);
+    Serial.println(F("Starting"));
+
+    #ifdef VCC_ENABLE
+    // For Pinoccio Scout boards
+    pinMode(VCC_ENABLE, OUTPUT);
+    digitalWrite(VCC_ENABLE, HIGH);
+    delay(1000);
+    #endif
+
+    // LMIC init
+    os_init();
+    // Reset the MAC state. Session and pending data transfers will be discarded.
+    LMIC_reset();
+
+    // Start job (sending automatically starts OTAA too)
+    do_send(&sendjob);
+}
+
+void loop() {
+    os_runloop_once();
+}

lib/arduino-lmic-mcci-v2.2.2/project_config/lmic_project_config.h

@@ -0,0 +1,9 @@
+// project-specific definitions
+//#define CFG_eu868 1
+#define CFG_us915 1
+//#define CFG_au921 1
+//#define CFG_as923 1
+// #define LMIC_COUNTRY_CODE LMIC_COUNTRY_CODE_JP	/* for as923-JP */
+//#define CFG_in866 1
+#define CFG_sx1276_radio 1
+//#define LMIC_USE_INTERRUPTS

lib/arduino-lmic-mcci-v2.2.2/src/aes/ideetron/AES-128_V10.cpp

@@ -85,7 +85,6 @@ static unsigned char AES_Sub_Byte(unsigned char Byte);
 static void AES_Shift_Rows();
 static void AES_Mix_Collums();
 static void AES_Calculate_Round_Key(unsigned char Round, unsigned char *Round_Key);
-static void Send_State();
 
 /*
 *****************************************************************************************

lib/arduino-lmic-mcci-v2.2.2/src/hal/hal.cpp

@@ -33,11 +33,19 @@ static void hal_io_init () {
 //    Serial.print("dio[1]: "); Serial.println(plmic_pins->dio[1]);
 //    Serial.print("dio[2]: "); Serial.println(plmic_pins->dio[2]);
 
+    // initialize SPI chip select to high (it's active low)
+    digitalWrite(plmic_pins->nss, HIGH);
     pinMode(plmic_pins->nss, OUTPUT);
-    if (plmic_pins->rxtx != LMIC_UNUSED_PIN)
+
+    if (plmic_pins->rxtx != LMIC_UNUSED_PIN) {
+        // initialize to RX
+        digitalWrite(plmic_pins->rxtx, LOW != plmic_pins->rxtx_rx_active);
         pinMode(plmic_pins->rxtx, OUTPUT);
-    if (plmic_pins->rst != LMIC_UNUSED_PIN)
+    }
-        pinMode(plmic_pins->rst, OUTPUT);
+    if (plmic_pins->rst != LMIC_UNUSED_PIN) {
+        // initialize RST to floating
+        pinMode(plmic_pins->rst, INPUT);
+    }
 
     hal_interrupt_init();
 }
@@ -54,8 +62,8 @@ void hal_pin_rst (u1_t val) {
         return;
 
     if(val == 0 || val == 1) { // drive pin
-        pinMode(plmic_pins->rst, OUTPUT);
         digitalWrite(plmic_pins->rst, val);
+        pinMode(plmic_pins->rst, OUTPUT);
     } else { // keep pin floating
         pinMode(plmic_pins->rst, INPUT);
     }

lib/arduino-lmic-mcci-v2.2.2/src/lmic/config.h

@@ -171,4 +171,11 @@
 # endif // defined(LMIC_DISABLE_DR_LEGACY)
 #endif // LMIC_DR_LEGACY
 
+// LMIC_ENABLE_DeviceTimeReq
+// enable support for MCMD_DeviceTimeReq and MCMD_DeviceTimeAns
+// this is always defined, and non-zero to enable it.
+#if !defined(LMIC_ENABLE_DeviceTimeReq)
+# define LMIC_ENABLE_DeviceTimeReq 0
+#endif
+
 #endif // _lmic_config_h_

lib/arduino-lmic-mcci-v2.2.2/src/lmic/lmic.c

@@ -47,8 +47,10 @@ static void startScan (void);
 #endif
 
 static inline void initTxrxFlags(const char *func, u1_t mask) {
+	LMIC_DEBUG2_PARAMETER(func);
+
 #if LMIC_DEBUG_LEVEL > 1
-	LMIC_DEBUG_PRINTF("%lu: %s txrxFlags %#02x --> %02x\n", os_getTime(), func, LMIC.txrxFlags, mask);
+	LMIC_DEBUG_PRINTF("%"LMIC_PRId_ostime_t": %s txrxFlags %#02x --> %02x\n", os_getTime(), func, LMIC.txrxFlags, mask);
 #endif
 	LMIC.txrxFlags = mask;
 }
@@ -272,29 +274,6 @@ ostime_t calcAirTime (rps_t rps, u1_t plen) {
     return (((ostime_t)tmp << sfx) * OSTICKS_PER_SEC + div/2) / div;
 }
 
-extern inline rps_t updr2rps (dr_t dr);
-extern inline rps_t dndr2rps (dr_t dr);
-extern inline int isFasterDR (dr_t dr1, dr_t dr2);
-extern inline int isSlowerDR (dr_t dr1, dr_t dr2);
-extern inline dr_t  incDR    (dr_t dr);
-extern inline dr_t  decDR    (dr_t dr);
-extern inline dr_t  assertDR (dr_t dr);
-extern inline dr_t  validDR  (dr_t dr);
-extern inline dr_t  lowerDR  (dr_t dr, u1_t n);
-
-extern inline sf_t  getSf    (rps_t params);
-extern inline rps_t setSf    (rps_t params, sf_t sf);
-extern inline bw_t  getBw    (rps_t params);
-extern inline rps_t setBw    (rps_t params, bw_t cr);
-extern inline cr_t  getCr    (rps_t params);
-extern inline rps_t setCr    (rps_t params, cr_t cr);
-extern inline int   getNocrc (rps_t params);
-extern inline rps_t setNocrc (rps_t params, int nocrc);
-extern inline int   getIh    (rps_t params);
-extern inline rps_t setIh    (rps_t params, int ih);
-extern inline rps_t makeRps  (sf_t sf, bw_t bw, cr_t cr, int ih, int nocrc);
-extern inline int   sameSfBw (rps_t r1, rps_t r2);
-
 // END LORA
 // ================================================================================
 
@@ -414,6 +393,8 @@ static void txDelay (ostime_t reftime, u1_t secSpan) {
 
 
 void LMICcore_setDrJoin (u1_t reason, u1_t dr) {
+    LMIC_EV_PARAMETER(reason);
+
     EV(drChange, INFO, (e_.reason    = reason,
                         e_.deveui    = MAIN::CDEV->getEui(),
                         e_.dr        = dr|DR_PAGE,
@@ -426,6 +407,8 @@ void LMICcore_setDrJoin (u1_t reason, u1_t dr) {
 
 
 static void setDrTxpow (u1_t reason, u1_t dr, s1_t pow) {
+    LMIC_EV_PARAMETER(reason);
+
     EV(drChange, INFO, (e_.reason    = reason,
                         e_.deveui    = MAIN::CDEV->getEui(),
                         e_.dr        = dr|DR_PAGE,
@@ -462,6 +445,8 @@ void LMIC_setPingable (u1_t intvExp) {
 #endif // !DISABLE_PING
 
 static void runEngineUpdate (xref2osjob_t osjob) {
+    LMIC_API_PARAMETER(osjob);
+
     engineUpdate();
 }
 
@@ -476,6 +461,8 @@ static void reportEvent (ev_t ev) {
 
 
 static void runReset (xref2osjob_t osjob) {
+    LMIC_API_PARAMETER(osjob);
+
     // Disable session
     LMIC_reset();
 #if !defined(DISABLE_JOIN)
@@ -594,7 +581,7 @@ scan_mac_cmds(
             // of contiguous commands (whatever that means), and ignore the
             // data rate, NbTrans (uprpt) and txPow until the last one.
 #if LMIC_DEBUG_LEVEL > 0
-            LMIC_DEBUG_PRINTF("%lu: LinkAdrReq: p1:%02x chmap:%04x chpage:%02x uprt:%02x ans:%02x\n",
+            LMIC_DEBUG_PRINTF("%"LMIC_PRId_ostime_t": LinkAdrReq: p1:%02x chmap:%04x chpage:%02x uprt:%02x ans:%02x\n",
 		os_getTime(), p1, chmap, chpage, uprpt, LMIC.ladrAns
 		);
 #endif /* LMIC_DEBUG_LEVEL */
@@ -726,6 +713,38 @@ scan_mac_cmds(
             oidx += 2;
             continue;
         } /* end case */
+        case MCMD_DeviceTimeAns: {
+#if LMIC_ENABLE_DeviceTimeReq
+            // don't process a spurious downlink.
+            if ( LMIC.txDeviceTimeReqState == lmic_RequestTimeState_rx ) {
+                // remember that it's time to notify the client.
+                LMIC.txDeviceTimeReqState = lmic_RequestTimeState_success;
+
+                // the network time is linked to the time of the last TX.
+                LMIC.localDeviceTime = LMIC.txend;
+
+                // save the network time.
+                // The first 4 bytes contain the seconds since the GPS epoch
+                // (i.e January the 6th 1980 at 00:00:00 UTC).
+                // Note: as per the LoRaWAN specs, the octet order for all
+                //       multi-octet fields is little endian
+                // Note: the casts are necessary, because opts is an array of
+                //       single byte values, and they might overflow when shifted
+                LMIC.netDeviceTime = ( (lmic_gpstime_t) opts[oidx + 1]       ) |
+                                     (((lmic_gpstime_t) opts[oidx + 2]) <<  8) |
+                                     (((lmic_gpstime_t) opts[oidx + 3]) << 16) |
+                                     (((lmic_gpstime_t) opts[oidx + 4]) << 24);
+
+                // The 5th byte contains the fractional seconds in 2^-8 second steps
+                LMIC.netDeviceTimeFrac = opts[oidx + 5];
+#if LMIC_DEBUG_LEVEL > 0
+                LMIC_DEBUG_PRINTF("%"LMIC_PRId_ostime_t": MAC command DeviceTimeAns received: seconds_since_gps_epoch=%"PRIu32", fractional_seconds=%d\n", os_getTime(), LMIC.netDeviceTime, LMIC.netDeviceTimeFrac);
+#endif
+            }
+#endif // LMIC_ENABLE_DeviceTimeReq
+            oidx += 6;
+            continue;
+        } /* end case */
         } /* end switch */
         /* unrecognized mac commands fall out of switch to here */
         EV(specCond, ERR, (e_.reason = EV::specCond_t::BAD_MAC_CMD,
@@ -757,7 +776,7 @@ static bit_t decodeFrame (void) {
                             e_.info2  = hdr + (dlen<<8)));
       norx:
 #if LMIC_DEBUG_LEVEL > 0
-        LMIC_DEBUG_PRINTF("%lu: Invalid downlink, window=%s\n", os_getTime(), window);
+        LMIC_DEBUG_PRINTF("%"LMIC_PRId_ostime_t": Invalid downlink, window=%s\n", os_getTime(), window);
 #endif
         LMIC.dataLen = 0;
         return 0;
@@ -849,7 +868,7 @@ static bit_t decodeFrame (void) {
 
 #if LMIC_DEBUG_LEVEL > 0
     // Process OPTS
-    LMIC_DEBUG_PRINTF("%lu: process options (olen=%#x)\n", os_getTime(), olen);
+    LMIC_DEBUG_PRINTF("%"LMIC_PRId_ostime_t": process options (olen=%#x)\n", os_getTime(), olen);
 #endif
 
     xref2u1_t opts = &d[OFF_DAT_OPTS];
@@ -868,13 +887,13 @@ static bit_t decodeFrame (void) {
             if (port == 0) {
                 // this is a mac command. scan the options.
 #if LMIC_DEBUG_LEVEL > 0
-                LMIC_DEBUG_PRINTF("%lu: process mac commands for port 0 (olen=%#x)\n", os_getTime(), pend-poff);
+                LMIC_DEBUG_PRINTF("%"LMIC_PRId_ostime_t": process mac commands for port 0 (olen=%#x)\n", os_getTime(), pend-poff);
 #endif
                 int optendindex = scan_mac_cmds(d+poff, pend-poff);
                 if (optendindex != pend-poff) {
 #if LMIC_DEBUG_LEVEL > 0
                     LMIC_DEBUG_PRINTF(
-                        "%lu: error processing mac commands for port 0 "
+                        "%"LMIC_PRId_ostime_t": error processing mac commands for port 0 "
                         "(len=%#x, optendindex=%#x)\n",
                         os_getTime(), pend-poff, optendindex
                         );
@@ -911,7 +930,7 @@ static bit_t decodeFrame (void) {
                            e_.info   = seqno,
                            e_.info2  = ackup));
 #if LMIC_DEBUG_LEVEL > 1
-	LMIC_DEBUG_PRINTF("%lu: ??ack error ack=%d txCnt=%d\n", os_getTime(), ackup, LMIC.txCnt);
+	LMIC_DEBUG_PRINTF("%"LMIC_PRId_ostime_t": ??ack error ack=%d txCnt=%d\n", os_getTime(), ackup, LMIC.txCnt);
 #endif
     }
 
@@ -928,7 +947,7 @@ static bit_t decodeFrame (void) {
         LMIC.dataLen = pend-poff;
     }
 #if LMIC_DEBUG_LEVEL > 0
-    LMIC_DEBUG_PRINTF("%lu: Received downlink, window=%s, port=%d, ack=%d, txrxFlags=%#x\n", os_getTime(), window, port, ackup, LMIC.txrxFlags);
+    LMIC_DEBUG_PRINTF("%"LMIC_PRId_ostime_t": Received downlink, window=%s, port=%d, ack=%d, txrxFlags=%#x\n", os_getTime(), window, port, ackup, LMIC.txrxFlags);
 #endif
     return 1;
 }
@@ -977,7 +996,7 @@ static void schedRx12 (ostime_t delay, osjobcb_t func, u1_t dr) {
     // (again note that hsym is half a sumbol time, so no /2 needed)
     LMIC.rxtime = LMIC.txend + delay + PAMBL_SYMS * hsym - LMIC.rxsyms * hsym;
 
-    LMIC_X_DEBUG_PRINTF("%lu: sched Rx12 %lu\n", os_getTime(), LMIC.rxtime - RX_RAMPUP);
+    LMIC_X_DEBUG_PRINTF("%"LMIC_PRId_ostime_t": sched Rx12 %"LMIC_PRId_ostime_t"\n", os_getTime(), LMIC.rxtime - RX_RAMPUP);
     os_setTimedCallback(&LMIC.osjob, LMIC.rxtime - RX_RAMPUP, func);
 }
 
@@ -1020,6 +1039,8 @@ static void txDone (ostime_t delay, osjobcb_t func) {
 
 #if !defined(DISABLE_JOIN)
 static void onJoinFailed (xref2osjob_t osjob) {
+    LMIC_API_PARAMETER(osjob);
+
     // Notify app - must call LMIC_reset() to stop joining
     // otherwise join procedure continues.
     reportEvent(EV_JOIN_FAILED);
@@ -1073,6 +1094,8 @@ static bit_t processJoinAccept (void) {
     u1_t hdr  = LMIC.frame[0];
     u1_t dlen = LMIC.dataLen;
     u4_t mic  = os_rlsbf4(&LMIC.frame[dlen-4]); // safe before modified by encrypt!
+    LMIC_EV_VARIABLE(mic);                      // only used by EV().
+
     if( (dlen != LEN_JA && dlen != LEN_JAEXT)
         || (hdr & (HDR_FTYPE|HDR_MAJOR)) != (HDR_FTYPE_JACC|HDR_MAJOR_V1) ) {
         EV(specCond, ERR, (e_.reason = EV::specCond_t::UNEXPECTED_FRAME,
@@ -1109,7 +1132,7 @@ static bit_t processJoinAccept (void) {
             if( freq ) {
                 LMIC_setupChannel(chidx, freq, 0, -1);
 #if LMIC_DEBUG_LEVEL > 1
-                LMIC_DEBUG_PRINTF("%lu: Setup channel, idx=%d, freq=%lu\n", os_getTime(), chidx, (unsigned long)freq);
+                LMIC_DEBUG_PRINTF("%"LMIC_PRId_ostime_t": Setup channel, idx=%d, freq=%"PRIu32"\n", os_getTime(), chidx, freq);
 #endif
             }
         }
@@ -1161,6 +1184,8 @@ static bit_t processJoinAccept (void) {
 
 
 static void processRx2Jacc (xref2osjob_t osjob) {
+    LMIC_API_PARAMETER(osjob);
+
     if( LMIC.dataLen == 0 ) {
         initTxrxFlags(__func__, 0);  // nothing in 1st/2nd DN slot
     }
@@ -1169,23 +1194,31 @@ static void processRx2Jacc (xref2osjob_t osjob) {
 
 
 static void setupRx2Jacc (xref2osjob_t osjob) {
+    LMIC_API_PARAMETER(osjob);
+
     LMIC.osjob.func = FUNC_ADDR(processRx2Jacc);
     setupRx2();
 }
 
 
 static void processRx1Jacc (xref2osjob_t osjob) {
+    LMIC_API_PARAMETER(osjob);
+
     if( LMIC.dataLen == 0 || !processJoinAccept() )
         schedRx12(DELAY_JACC2_osticks, FUNC_ADDR(setupRx2Jacc), LMIC.dn2Dr);
 }
 
 
 static void setupRx1Jacc (xref2osjob_t osjob) {
+    LMIC_API_PARAMETER(osjob);
+
     setupRx1(FUNC_ADDR(processRx1Jacc));
 }
 
 
 static void jreqDone (xref2osjob_t osjob) {
+    LMIC_API_PARAMETER(osjob);
+
     txDone(DELAY_JACC1_osticks, FUNC_ADDR(setupRx1Jacc));
 }
 
@@ -1197,10 +1230,14 @@ static void jreqDone (xref2osjob_t osjob) {
 static bit_t processDnData(void);
 
 static void processRx2DnDataDelay (xref2osjob_t osjob) {
+    LMIC_API_PARAMETER(osjob);
+
     processDnData();
 }
 
 static void processRx2DnData (xref2osjob_t osjob) {
+    LMIC_API_PARAMETER(osjob);
+
     if( LMIC.dataLen == 0 ) {
         initTxrxFlags(__func__, 0);  // nothing in 1st/2nd DN slot
         // Delay callback processing to avoid up TX while gateway is txing our missed frame!
@@ -1215,23 +1252,31 @@ static void processRx2DnData (xref2osjob_t osjob) {
 
 
 static void setupRx2DnData (xref2osjob_t osjob) {
+    LMIC_API_PARAMETER(osjob);
+
     LMIC.osjob.func = FUNC_ADDR(processRx2DnData);
     setupRx2();
 }
 
 
 static void processRx1DnData (xref2osjob_t osjob) {
+    LMIC_API_PARAMETER(osjob);
+
     if( LMIC.dataLen == 0 || !processDnData() )
         schedRx12(sec2osticks(LMIC.rxDelay +(int)DELAY_EXTDNW2), FUNC_ADDR(setupRx2DnData), LMIC.dn2Dr);
 }
 
 
 static void setupRx1DnData (xref2osjob_t osjob) {
+    LMIC_API_PARAMETER(osjob);
+
     setupRx1(FUNC_ADDR(processRx1DnData));
 }
 
 
 static void updataDone (xref2osjob_t osjob) {
+    LMIC_API_PARAMETER(osjob);
+
     txDone(sec2osticks(LMIC.rxDelay), FUNC_ADDR(setupRx1DnData));
 }
 
@@ -1315,6 +1360,13 @@ static void buildDataFrame (void) {
         LMIC.txParamSetupAns = 0;
     }
 #endif
+#if LMIC_ENABLE_DeviceTimeReq
+    if ( LMIC.txDeviceTimeReqState == lmic_RequestTimeState_tx ) {
+        LMIC.frame[end+0] = MCMD_DeviceTimeReq;
+        end += 1;
+        LMIC.txDeviceTimeReqState = lmic_RequestTimeState_rx;
+    }
+#endif // LMIC_ENABLE_DeviceTimeReq
     ASSERT(end <= OFF_DAT_OPTS+16);
 
     u1_t flen = end + (txdata ? 5+dlen : 4);
@@ -1376,7 +1428,9 @@ static void buildDataFrame (void) {
 
 #if !defined(DISABLE_BEACONS)
 // Callback from HAL during scan mode or when job timer expires.
-static void onBcnRx (xref2osjob_t job) {
+static void onBcnRx (xref2osjob_t osjob) {
+    LMIC_API_PARAMETER(osjob);
+
     // If we arrive via job timer make sure to put radio to rest.
     os_radio(RADIO_RST);
     os_clearCallback(&LMIC.osjob);
@@ -1497,6 +1551,8 @@ static void buildJoinRequest (u1_t ftype) {
 }
 
 static void startJoining (xref2osjob_t osjob) {
+    LMIC_API_PARAMETER(osjob);
+
     reportEvent(EV_JOINING);
 }
 
@@ -1530,6 +1586,8 @@ bit_t LMIC_startJoining (void) {
 
 #if !defined(DISABLE_PING)
 static void processPingRx (xref2osjob_t osjob) {
+    LMIC_API_PARAMETER(osjob);
+
     if( LMIC.dataLen != 0 ) {
         initTxrxFlags(__func__, TXRX_PING);
         if( decodeFrame() ) {
@@ -1568,6 +1626,24 @@ static bit_t processDnData (void) {
         LMIC.dataBeg = LMIC.dataLen = 0;
       txcomplete:
         LMIC.opmode &= ~(OP_TXDATA|OP_TXRXPEND);
+
+#if LMIC_ENABLE_DeviceTimeReq
+        lmic_request_time_state_t const requestTimeState = LMIC.txDeviceTimeReqState;
+        if ( requestTimeState != lmic_RequestTimeState_idle ) {
+            lmic_request_network_time_cb_t * const pNetworkTimeCb = LMIC.pNetworkTimeCb;
+            int flagSuccess = (LMIC.txDeviceTimeReqState == lmic_RequestTimeState_success);
+            LMIC.txDeviceTimeReqState = lmic_RequestTimeState_idle;
+            if (pNetworkTimeCb != NULL) {
+                // reset the callback, so that the user's routine
+                // can post another request if desired.
+                LMIC.pNetworkTimeCb = NULL;
+
+                // call the user's notification routine.
+                (*pNetworkTimeCb)(LMIC.pNetworkTimeUserData, flagSuccess);
+            }
+        }
+#endif // LMIC_ENABLE_DeviceTimeReq
+
         if( (LMIC.txrxFlags & (TXRX_DNW1|TXRX_DNW2|TXRX_PING)) != 0  &&  (LMIC.opmode & OP_LINKDEAD) != 0 ) {
             LMIC.opmode &= ~OP_LINKDEAD;
             reportEvent(EV_LINK_ALIVE);
@@ -1611,6 +1687,8 @@ static bit_t processDnData (void) {
 
 #if !defined(DISABLE_BEACONS)
 static void processBeacon (xref2osjob_t osjob) {
+    LMIC_API_PARAMETER(osjob);
+
     ostime_t lasttx = LMIC.bcninfo.txtime;   // save here - decodeBeacon might overwrite
     u1_t flags = LMIC.bcninfo.flags;
     ev_t ev;
@@ -1672,6 +1750,8 @@ static void processBeacon (xref2osjob_t osjob) {
 
 
 static void startRxBcn (xref2osjob_t osjob) {
+    LMIC_API_PARAMETER(osjob);
+
     LMIC.osjob.func = FUNC_ADDR(processBeacon);
     os_radio(RADIO_RX);
 }
@@ -1680,6 +1760,8 @@ static void startRxBcn (xref2osjob_t osjob) {
 
 #if !defined(DISABLE_PING)
 static void startRxPing (xref2osjob_t osjob) {
+    LMIC_API_PARAMETER(osjob);
+
     LMIC.osjob.func = FUNC_ADDR(processPingRx);
     os_radio(RADIO_RX);
 }
@@ -1689,7 +1771,7 @@ static void startRxPing (xref2osjob_t osjob) {
 // Decide what to do next for the MAC layer of a device
 static void engineUpdate (void) {
 #if LMIC_DEBUG_LEVEL > 0
-    LMIC_DEBUG_PRINTF("%lu: engineUpdate, opmode=0x%x\n", os_getTime(), LMIC.opmode);
+    LMIC_DEBUG_PRINTF("%"LMIC_PRId_ostime_t": engineUpdate, opmode=0x%x\n", os_getTime(), LMIC.opmode);
 #endif
     // Check for ongoing state: scan or TX/RX transaction
     if( (LMIC.opmode & (OP_SCAN|OP_TXRXPEND|OP_SHUTDOWN)) != 0 )
@@ -1703,10 +1785,11 @@ static void engineUpdate (void) {
 #endif // !DISABLE_JOIN
 
     ostime_t now    = os_getTime();
-    ostime_t rxtime = 0;
     ostime_t txbeg  = 0;
 
 #if !defined(DISABLE_BEACONS)
+    ostime_t rxtime = 0;
+
     if( (LMIC.opmode & OP_TRACK) != 0 ) {
         // We are tracking a beacon
         ASSERT( now + RX_RAMPUP - LMIC.bcnRxtime <= 0 );
@@ -1848,7 +1931,7 @@ static void engineUpdate (void) {
                        e_.eui    = MAIN::CDEV->getEui(),
                        e_.info   = osticks2ms(txbeg-now),
                        e_.info2  = LMIC.seqnoUp-1));
-    LMIC_X_DEBUG_PRINTF("%lu: next engine update in %lu\n", now, txbeg-TX_RAMPUP);
+    LMIC_X_DEBUG_PRINTF("%"LMIC_PRId_ostime_t": next engine update in %"LMIC_PRId_ostime_t"\n", now, txbeg-TX_RAMPUP);
     os_setTimedCallback(&LMIC.osjob, txbeg-TX_RAMPUP, FUNC_ADDR(runEngineUpdate));
 }
 
@@ -1902,6 +1985,11 @@ void LMIC_reset (void) {
     DO_DEVDB(LMIC.ping.dr,      pingDr);
     DO_DEVDB(LMIC.ping.intvExp, pingIntvExp);
 #endif // !DISABLE_PING
+#if LMIC_ENABLE_DeviceTimeReq
+    LMIC.txDeviceTimeReqState = lmic_RequestTimeState_idle;
+    LMIC.netDeviceTime = 0;     // the "invalid" time.
+    LMIC.netDeviceTimeFrac = 0;
+#endif // LMIC_ENABLE_DeviceTimeReq
 }
 
 
@@ -1943,7 +2031,6 @@ int LMIC_setTxData2 (u1_t port, xref2u1_t data, u1_t dlen, u1_t confirmed) {
     return 0;
 }
 
-
 // Send a payload-less message to signal device is alive
 void LMIC_sendAlive (void) {
     LMIC.opmode |= OP_POLL;
@@ -2041,3 +2128,36 @@ void LMIC_getSessionKeys (u4_t *netid, devaddr_t *devaddr, xref2u1_t nwkKey, xre
     memcpy(artKey, LMIC.artKey, sizeof(LMIC.artKey));
     memcpy(nwkKey, LMIC.nwkKey, sizeof(LMIC.nwkKey));
 }
+
+// \brief post an asynchronous request for the network time.
+void LMIC_requestNetworkTime(lmic_request_network_time_cb_t *pCallbackfn, void *pUserData) {
+#if LMIC_ENABLE_DeviceTimeReq
+    if (LMIC.txDeviceTimeReqState == lmic_RequestTimeState_idle) {
+        LMIC.txDeviceTimeReqState = lmic_RequestTimeState_tx;
+        LMIC.pNetworkTimeCb = pCallbackfn;
+        LMIC.pNetworkTimeUserData = pUserData;
+        return;
+    }
+#endif // LMIC_ENABLE_DeviceTimeReq
+    // if no device time support, or if not in proper state,
+    // report a failure.
+    if (pCallbackfn != NULL)
+        (*pCallbackfn)(pUserData, /* false */ 0);
+}
+
+// \brief return local/remote time pair (if valid, and DeviceTimeReq enabled),
+// return true for success, false for error. We adjust the sampled OS time
+// back in time to the nearest second boundary.
+int LMIC_getNetworkTimeReference(lmic_time_reference_t *pReference) {
+#if LMIC_ENABLE_DeviceTimeReq
+    if (pReference != NULL &&       // valid parameter, and
+        LMIC.netDeviceTime != 0) {  // ... we have a reasonable answer.
+        const ostime_t tAdjust = LMIC.netDeviceTimeFrac * ms2osticks(1000) / 256;
+
+        pReference->tLocal = LMIC.localDeviceTime - tAdjust;
+        pReference->tNetwork = LMIC.netDeviceTime;
+        return 1;
+    }
+#endif // LMIC_ENABLE_DeviceTimeReq
+    return 0;
+}

lib/arduino-lmic-mcci-v2.2.2/src/lmic/lmic.h

@@ -105,7 +105,7 @@ extern "C"{
 #define ARDUINO_LMIC_VERSION_CALC(major, minor, patch, local)	\
 	(((major) << 24u) | ((minor) << 16u) | ((patch) << 8u) | (local))
 
-#define	ARDUINO_LMIC_VERSION	ARDUINO_LMIC_VERSION_CALC(2, 2, 2, 0)
+#define	ARDUINO_LMIC_VERSION	ARDUINO_LMIC_VERSION_CALC(2, 2, 2, 0)	/* v2.2.2 */
 
 #define	ARDUINO_LMIC_VERSION_GET_MAJOR(v)	\
 	(((v) >> 24u) & 0xFFu)
@@ -243,6 +243,35 @@ enum {
         MAX_CLOCK_ERROR = 65536,
 };
 
+// network time request callback function
+// defined unconditionally, because APIs and types can't change based on config.
+// This is called when a time-request succeeds or when we get a downlink
+// without time request, "completing" the pending time request.
+typedef void lmic_request_network_time_cb_t(void *pUserData, int flagSuccess);
+
+// how the network represents time.
+typedef u4_t lmic_gpstime_t;
+
+// rather than deal with 1/256 second tick, we adjust ostime back
+// (as it's high res) to match tNetwork.
+typedef struct lmic_time_reference_s lmic_time_reference_t;
+
+struct lmic_time_reference_s {
+    // our best idea of when we sent the uplink (end of packet).
+    ostime_t tLocal;
+    // the network's best idea of when we sent the uplink.
+    lmic_gpstime_t tNetwork;
+};
+
+enum lmic_request_time_state_e {
+    lmic_RequestTimeState_idle = 0,     // we're not doing anything
+    lmic_RequestTimeState_tx,           // we want to tx a time request on next uplink
+    lmic_RequestTimeState_rx,           // we have tx'ed, next downlink completes.
+    lmic_RequestTimeState_success       // we sucessfully got time.
+};
+
+typedef u1_t lmic_request_time_state_t;
+
 struct lmic_t {
     // Radio settings TX/RX (also accessed by HAL)
     ostime_t    txend;
@@ -306,6 +335,14 @@ struct lmic_t {
     devaddr_t   devaddr;
     u4_t        seqnoDn;      // device level down stream seqno
     u4_t        seqnoUp;
+#if LMIC_ENABLE_DeviceTimeReq
+    // put here for alignment, to reduce RAM use.
+    ostime_t    localDeviceTime;    // the LMIC.txend value for last DeviceTimeAns
+    lmic_gpstime_t netDeviceTime;   // the netDeviceTime for lastDeviceTimeAns
+                                    // zero ==> not valid.
+    lmic_request_network_time_cb_t *pNetworkTimeCb;	// call-back routine
+    void        *pNetworkTimeUserData; // call-back data
+#endif // LMIC_ENABLE_DeviceTimeReq
 
     u1_t        dnConf;       // dn frame confirm pending: LORA::FCT_ACK or 0
     s1_t        adrAckReq;    // counter until we reset data rate (0=off)
@@ -329,6 +366,10 @@ struct lmic_t {
     bit_t       txParamSetupAns; // transmit setup answer pending.
     u1_t        txParam;        // the saved TX param byte.
 #endif
+#if LMIC_ENABLE_DeviceTimeReq
+    lmic_request_time_state_t txDeviceTimeReqState;  // current state, initially idle.
+    u1_t        netDeviceTimeFrac;     // updated on any DeviceTimeAns.
+#endif
 
     // rx1DrOffset is the offset from uplink to downlink datarate
     u1_t        rx1DrOffset;  // captured from join. zero by default.
@@ -368,6 +409,7 @@ struct lmic_t {
 
     u1_t        noRXIQinversion;
 };
+
 //! \var struct lmic_t LMIC
 //! The state of LMIC MAC layer is encapsulated in this variable.
 DECLARE_LMIC; //!< \internal
@@ -417,6 +459,9 @@ u4_t LMIC_getSeqnoUp    (void);
 u4_t LMIC_setSeqnoUp    (u4_t);
 void LMIC_getSessionKeys (u4_t *netid, devaddr_t *devaddr, xref2u1_t nwkKey, xref2u1_t artKey);
 
+void LMIC_requestNetworkTime(lmic_request_network_time_cb_t *pCallbackfn, void *pUserData);
+int LMIC_getNetworkTimeReference(lmic_time_reference_t *pReference);
+
 // Declare onEvent() function, to make sure any definition will have the
 // C conventions, even when in a C++ file.
 DECL_ON_LMIC_EVENT;

lib/arduino-lmic-mcci-v2.2.2/src/lmic/lmic_as923.c

@@ -76,11 +76,15 @@ static CONST_TABLE(u1_t, maxFrameLens_dwell1)[] = {
 
 static uint8_t 
 LMICas923_getUplinkDwellBit(uint8_t mcmd_txparam) {
+        LMIC_API_PARAMETER(mcmd_txparam);
+
         return (LMIC.txParam & MCMD_TxParam_TxDWELL_MASK) != 0; 
 }
 
 static uint8_t 
 LMICas923_getDownlinkDwellBit(uint8_t mcmd_txparam) {
+        LMIC_API_PARAMETER(mcmd_txparam);
+
         return (LMIC.txParam & MCMD_TxParam_RxDWELL_MASK) != 0; 
 }
 
@@ -164,6 +168,8 @@ static CONST_TABLE(u4_t, iniChannelFreq)[NUM_DEFAULT_CHANNELS] = {
 
 // as923 ignores join, becuase the channel setup is the same either way.
 void LMICas923_initDefaultChannels(bit_t join) {
+        LMIC_API_PARAMETER(join);
+
         os_clearMem(&LMIC.channelFreq, sizeof(LMIC.channelFreq));
         os_clearMem(&LMIC.channelDrMap, sizeof(LMIC.channelDrMap));
         os_clearMem(&LMIC.bands, sizeof(LMIC.bands));

lib/arduino-lmic-mcci-v2.2.2/src/lmic/lmic_au921.c

@@ -101,6 +101,11 @@ u4_t LMICau921_convFreq(xref2cu1_t ptr) {
 
 // au921: no support for xchannels.
 bit_t LMIC_setupChannel(u1_t chidx, u4_t freq, u2_t drmap, s1_t band) {
+        LMIC_API_PARAMETER(chidx);
+        LMIC_API_PARAMETER(freq);
+        LMIC_API_PARAMETER(drmap);
+        LMIC_API_PARAMETER(band);
+
         return 0; // all channels are hardwired.
 }
 

lib/arduino-lmic-mcci-v2.2.2/src/lmic/lmic_config_preconditions.h

@@ -113,6 +113,12 @@ Revision history:
 // following values. These are in order of the sections in the manual. Not all of the
 // below are supported yet.
 //
+// CFG_as923jp is treated as a special case of CFG_as923, so it's not included in
+// the below.
+//
+// TODO(tmm@mcci.com) consider moving this block to a central file as it's not
+// user-editable.
+//
 # define CFG_LMIC_REGION_MASK   \
                         ((defined(CFG_eu868) << LMIC_REGION_eu868) | \
                          (defined(CFG_us915) << LMIC_REGION_us915) | \
@@ -126,6 +132,8 @@ Revision history:
                          0)
 
 // the selected region.
+// TODO(tmm@mcci.com) consider moving this block to a central file as it's not
+// user-editable.
 #if defined(CFG_eu868)
 # define CFG_region     LMIC_REGION_eu868
 #elif defined(CFG_us915)
@@ -138,6 +146,10 @@ Revision history:
 # define CFG_region     LMIC_REGION_au921
 #elif defined(CFG_cn490)
 # define CFG_region     LMIC_REGION_cn490
+#elif defined(CFG_as923jp)
+# define CFG_as923	1			/* CFG_as923jp implies CFG_as923 */
+# define CFG_region     LMIC_REGION_as923
+# define LMIC_COUNTRY_CODE  LMIC_COUNTRY_CODE_JP
 #elif defined(CFG_as923)
 # define CFG_region     LMIC_REGION_as923
 #elif defined(CFG_kr921)
@@ -148,7 +160,11 @@ Revision history:
 # define CFG_region     0
 #endif
 
-// finally the mask of` US-like and EU-like regions
+// a bitmask of EU-like regions -- these are regions which have up to 16
+// channels indidually programmable via downloink.
+//
+// TODO(tmm@mcci.com) consider moving this block to a central file as it's not
+// user-editable.
 #define CFG_LMIC_EU_like_MASK   (                               \
                                 (1 << LMIC_REGION_eu868) |      \
                              /* (1 << LMIC_REGION_us915) | */   \
@@ -161,6 +177,12 @@ Revision history:
                                 (1 << LMIC_REGION_in866) |      \
                                 0)
 
+// a bitmask of` US-like regions -- these are regions with 64 fixed 125 kHz channels
+// overlaid by 8 500 kHz channels. The channel frequencies can't be changed, but
+// subsets of channels can be selected via masks.
+//
+// TODO(tmm@mcci.com) consider moving this block to a central file as it's not
+// user-editable.
 #define CFG_LMIC_US_like_MASK   (                               \
                              /* (1 << LMIC_REGION_eu868) | */   \
                                 (1 << LMIC_REGION_us915) |      \
@@ -173,9 +195,12 @@ Revision history:
                              /* (1 << LMIC_REGION_in866) | */   \
                                 0)
 
+//
+// booleans that are true if the configured region is EU-like or US-like.
+// TODO(tmm@mcci.com) consider moving this block to a central file as it's not
+// user-editable.
+//
 #define CFG_LMIC_EU_like        (!!(CFG_LMIC_REGION_MASK & CFG_LMIC_EU_like_MASK))
 #define CFG_LMIC_US_like        (!!(CFG_LMIC_REGION_MASK & CFG_LMIC_US_like_MASK))
 
-
-
 #endif /* _LMIC_CONFIG_PRECONDITIONS_H_ */

lib/arduino-lmic-mcci-v2.2.2/src/lmic/lmic_eu_like.c

@@ -33,9 +33,11 @@
 #if CFG_LMIC_EU_like
 
 void  LMIC_enableSubBand(u1_t band) {
+        LMIC_API_PARAMETER(band);
 }
 
 void  LMIC_disableSubBand(u1_t band) {
+        LMIC_API_PARAMETER(band);
 }
 
 void LMIC_disableChannel(u1_t channel) {
@@ -46,6 +48,7 @@ void LMIC_disableChannel(u1_t channel) {
 
 // this is a no-op provided for compatibilty
 void LMIC_enableChannel(u1_t channel) {
+        LMIC_API_PARAMETER(channel);
 }
 
 u1_t LMICeulike_mapChannels(u1_t chpage, u2_t chmap) {

lib/arduino-lmic-mcci-v2.2.2/src/lmic/lmic_in866.c

@@ -95,6 +95,8 @@ static CONST_TABLE(u4_t, iniChannelFreq)[NUM_DEFAULT_CHANNELS] = {
 
 // india ignores join, becuase the channel setup is the same either way.
 void LMICin866_initDefaultChannels(bit_t join) {
+        LMIC_API_PARAMETER(join);
+
         os_clearMem(&LMIC.channelFreq, sizeof(LMIC.channelFreq));
         os_clearMem(&LMIC.channelDrMap, sizeof(LMIC.channelDrMap));
         os_clearMem(&LMIC.bands, sizeof(LMIC.bands));

lib/arduino-lmic-mcci-v2.2.2/src/lmic/lmic_us915.c

@@ -87,6 +87,8 @@ u4_t LMICus915_convFreq(xref2cu1_t ptr) {
 }
 
 bit_t LMIC_setupChannel(u1_t chidx, u4_t freq, u2_t drmap, s1_t band) {
+        LMIC_API_PARAMETER(band);
+
         if (chidx < 72 || chidx >= 72 + MAX_XCHANNELS)
                 return 0; // channels 0..71 are hardwired
         LMIC.xchFreq[chidx - 72] = freq;

lib/arduino-lmic-mcci-v2.2.2/src/lmic/lmic_us_like.c

@@ -71,12 +71,18 @@ static void setNextChannel(uint start, uint end, uint count) {
 
 
 bit_t LMIC_setupBand(u1_t bandidx, s1_t txpow, u2_t txcap) {
+        LMIC_API_PARAMETER(bandidx);
+        LMIC_API_PARAMETER(txpow);
+        LMIC_API_PARAMETER(txcap);
+
         // nothing; just succeed.
 	return 1;
 }
 
 
 void LMICuslike_initDefaultChannels(bit_t fJoin) {
+        LMIC_API_PARAMETER(fJoin);
+
         // things work the same for join as normal.
         for (u1_t i = 0; i<4; i++)
                 LMIC.channelMap[i] = 0xFFFF;

lib/arduino-lmic-mcci-v2.2.2/src/lmic/lorabase.h

@@ -449,6 +449,7 @@ enum {
     MCMD_RXTimingSetupAns = 0x08,       //         : -
     MCMD_TxParamSetupAns = 0x09,        //         : -
     MCMD_DIChannelAns = 0x0A,           //         : u1: [7-2]:RFU 1:exists 0:OK
+    MCMD_DeviceTimeReq = 0x0D,
 
     // Class B
     MCMD_PING_IND = 0x10, // -  pingability indic  : u1: 7=RFU, 6-4:interval, 3-0:datarate
@@ -468,6 +469,7 @@ enum {
     MCMD_RXTimingSetupReq = 0x08,       //      : u1: [7-4]:RFU [3-0]: Delay 1-15s (0 => 1)
     MCMD_TxParamSetupReq = 0x09,        //      : u1: [7-6]:RFU [5:4]: dl dwell/ul dwell [3:0] max EIRP
     MCMD_DIChannelReq = 0x0A,           //      : u1: channel, u3: frequency
+    MCMD_DeviceTimeAns = 0x0D,
 
     // Class B
     MCMD_PING_SET = 0x11, // set ping freq      : u3: freq
@@ -583,33 +585,33 @@ typedef u4_t devaddr_t;
 // RX quality (device)
 enum { RSSI_OFF=64, SNR_SCALEUP=4 };
 
-inline sf_t  getSf   (rps_t params)            { return   (sf_t)(params &  0x7); }
+static inline sf_t  getSf   (rps_t params)            { return   (sf_t)(params &  0x7); }
-inline rps_t setSf   (rps_t params, sf_t sf)   { return (rps_t)((params & ~0x7) | sf); }
+static inline rps_t setSf   (rps_t params, sf_t sf)   { return (rps_t)((params & ~0x7) | sf); }
-inline bw_t  getBw   (rps_t params)            { return  (bw_t)((params >> 3) & 0x3); }
+static inline bw_t  getBw   (rps_t params)            { return  (bw_t)((params >> 3) & 0x3); }
-inline rps_t setBw   (rps_t params, bw_t cr)   { return (rps_t)((params & ~0x18) | (cr<<3)); }
+static inline rps_t setBw   (rps_t params, bw_t cr)   { return (rps_t)((params & ~0x18) | (cr<<3)); }
-inline cr_t  getCr   (rps_t params)            { return  (cr_t)((params >> 5) & 0x3); }
+static inline cr_t  getCr   (rps_t params)            { return  (cr_t)((params >> 5) & 0x3); }
-inline rps_t setCr   (rps_t params, cr_t cr)   { return (rps_t)((params & ~0x60) | (cr<<5)); }
+static inline rps_t setCr   (rps_t params, cr_t cr)   { return (rps_t)((params & ~0x60) | (cr<<5)); }
-inline int   getNocrc(rps_t params)            { return        ((params >> 7) & 0x1); }
+static inline int   getNocrc(rps_t params)            { return        ((params >> 7) & 0x1); }
-inline rps_t setNocrc(rps_t params, int nocrc) { return (rps_t)((params & ~0x80) | (nocrc<<7)); }
+static inline rps_t setNocrc(rps_t params, int nocrc) { return (rps_t)((params & ~0x80) | (nocrc<<7)); }
-inline int   getIh   (rps_t params)            { return        ((params >> 8) & 0xFF); }
+static inline int   getIh   (rps_t params)            { return        ((params >> 8) & 0xFF); }
-inline rps_t setIh   (rps_t params, int ih)    { return (rps_t)((params & ~0xFF00) | (ih<<8)); }
+static inline rps_t setIh   (rps_t params, int ih)    { return (rps_t)((params & ~0xFF00) | (ih<<8)); }
-inline rps_t makeRps (sf_t sf, bw_t bw, cr_t cr, int ih, int nocrc) {
+static inline rps_t makeRps (sf_t sf, bw_t bw, cr_t cr, int ih, int nocrc) {
     return sf | (bw<<3) | (cr<<5) | (nocrc?(1<<7):0) | ((ih&0xFF)<<8);
 }
 #define MAKERPS(sf,bw,cr,ih,nocrc) ((rps_t)((sf) | ((bw)<<3) | ((cr)<<5) | ((nocrc)?(1<<7):0) | ((ih&0xFF)<<8)))
 // Two frames with params r1/r2 would interfere on air: same SFx + BWx
-inline int sameSfBw(rps_t r1, rps_t r2) { return ((r1^r2)&0x1F) == 0; }
+static inline int sameSfBw(rps_t r1, rps_t r2) { return ((r1^r2)&0x1F) == 0; }
 
 extern CONST_TABLE(u1_t, _DR2RPS_CRC)[];
-inline rps_t updr2rps (dr_t dr) { return (rps_t)TABLE_GET_U1(_DR2RPS_CRC, dr+1); }
+static inline rps_t updr2rps (dr_t dr) { return (rps_t)TABLE_GET_U1(_DR2RPS_CRC, dr+1); }
-inline rps_t dndr2rps (dr_t dr) { return setNocrc(updr2rps(dr),1); }
+static inline rps_t dndr2rps (dr_t dr) { return setNocrc(updr2rps(dr),1); }
-inline int isFasterDR (dr_t dr1, dr_t dr2) { return dr1 > dr2; }
+static inline int isFasterDR (dr_t dr1, dr_t dr2) { return dr1 > dr2; }
-inline int isSlowerDR (dr_t dr1, dr_t dr2) { return dr1 < dr2; }
+static inline int isSlowerDR (dr_t dr1, dr_t dr2) { return dr1 < dr2; }
-inline dr_t  incDR    (dr_t dr) { return TABLE_GET_U1(_DR2RPS_CRC, dr+2)==ILLEGAL_RPS ? dr : (dr_t)(dr+1); } // increase data rate
+static inline dr_t  incDR    (dr_t dr) { return TABLE_GET_U1(_DR2RPS_CRC, dr+2)==ILLEGAL_RPS ? dr : (dr_t)(dr+1); } // increase data rate
-inline dr_t  decDR    (dr_t dr) { return TABLE_GET_U1(_DR2RPS_CRC, dr  )==ILLEGAL_RPS ? dr : (dr_t)(dr-1); } // decrease data rate
+static inline dr_t  decDR    (dr_t dr) { return TABLE_GET_U1(_DR2RPS_CRC, dr  )==ILLEGAL_RPS ? dr : (dr_t)(dr-1); } // decrease data rate
-inline dr_t  assertDR (dr_t dr) { return TABLE_GET_U1(_DR2RPS_CRC, dr+1)==ILLEGAL_RPS ? DR_DFLTMIN : dr; }   // force into a valid DR
+static inline dr_t  assertDR (dr_t dr) { return TABLE_GET_U1(_DR2RPS_CRC, dr+1)==ILLEGAL_RPS ? (dr_t)DR_DFLTMIN : dr; }   // force into a valid DR
-inline bit_t validDR  (dr_t dr) { return TABLE_GET_U1(_DR2RPS_CRC, dr+1)!=ILLEGAL_RPS; } // in range
+static inline bit_t validDR  (dr_t dr) { return TABLE_GET_U1(_DR2RPS_CRC, dr+1)!=ILLEGAL_RPS; } // in range
-inline dr_t  lowerDR  (dr_t dr, u1_t n) { while(n--){dr=decDR(dr);} return dr; } // decrease data rate by n steps
+static inline dr_t  lowerDR  (dr_t dr, u1_t n) { while(n--){dr=decDR(dr);} return dr; } // decrease data rate by n steps
 
 //
 // BEG: Keep in sync with lorabase.hpp

lib/arduino-lmic-mcci-v2.2.2/src/lmic/oslmic.c

@@ -71,7 +71,11 @@ static int unlinkjob (osjob_t** pnext, osjob_t* job) {
 // clear scheduled job
 void os_clearCallback (osjob_t* job) {
     hal_disableIRQs();
-    unlinkjob(&OS.scheduledjobs, job) || unlinkjob(&OS.runnablejobs, job);
+
+    // if it's not in the scheduled jobs, look in the runnable...
+    if (! unlinkjob(&OS.scheduledjobs, job))
+        unlinkjob(&OS.runnablejobs, job);
+
     hal_enableIRQs();
 }
 

lib/arduino-lmic-mcci-v2.2.2/src/lmic/oslmic.h

@@ -75,6 +75,14 @@ typedef        const u1_t* xref2cu1_t;
 typedef              u1_t* xref2u1_t;
 typedef              s4_t  ostime_t;
 
+// int32_t == s4_t is long on some platforms; and someday
+// we will want 64-bit ostime_t. So, we will use a macro for the
+// print formatting of ostime_t.
+#ifndef LMIC_PRId_ostime_t
+# include <inttypes.h>
+# define LMIC_PRId_ostime_t	PRId32
+#endif
+
 #define TYPEDEF_xref2rps_t     typedef         rps_t* xref2rps_t
 #define TYPEDEF_xref2rxsched_t typedef     rxsched_t* xref2rxsched_t
 #define TYPEDEF_xref2chnldef_t typedef     chnldef_t* xref2chnldef_t
@@ -83,6 +91,105 @@ typedef              s4_t  ostime_t;
 
 #define SIZEOFEXPR(x) sizeof(x)
 
+//----------------------------------------------------------------------------
+// Annotations to avoid various "unused" warnings. These must appear as a
+// statement in the function body; the macro annotates the variable to quiet
+// compiler warnings.  The way this is done is compiler-specific, and so these
+// definitions are fall-backs, which might be overridden.
+//
+// Although these are all similar, we don't want extra macro expansions,
+// so we define each one explicitly rather than relying on a common macro.
+//----------------------------------------------------------------------------
+
+// signal that a parameter is intentionally unused.
+#ifndef LMIC_UNREFERENCED_PARAMETER
+# define LMIC_UNREFERENCED_PARAMETER(v)      do { (void) (v); } while (0)
+#endif
+
+// an API parameter is a parameter that is required by an API definition, but
+// happens to be unreferenced in this implementation. This is a stronger
+// assertion than LMIC_UNREFERENCED_PARAMETER(): this parameter is here
+// becuase of an API contract, but we have no use for it in this function.
+#ifndef LMIC_API_PARAMETER
+# define LMIC_API_PARAMETER(v)               do { (void) (v); } while (0)
+#endif
+
+// an intentionally-unreferenced variable.
+#ifndef LMIC_UNREFERENCED_VARIABLE
+# define LMIC_UNREFERENCED_VARIABLE(v)       do { (void) (v); } while (0)
+#endif
+
+// we have three (!) debug levels (LMIC_DEBUG_LEVEL > 0, LMIC_DEBUG_LEVEL > 1,
+// and LMIC_X_DEBUG_LEVEL > 0. In each case we might have parameters or
+// or varables that are only refereneced at the target debug level.
+
+// Parameter referenced only if debugging at level > 0.
+#ifndef LMIC_DEBUG1_PARAMETER
+# if LMIC_DEBUG_LEVEL > 0
+#  define LMIC_DEBUG1_PARAMETER(v)           do { ; } while (0)
+# else
+#  define LMIC_DEBUG1_PARAMETER(v)           do { (void) (v); } while (0)
+# endif
+#endif
+
+// variable referenced only if debugging at level > 0
+#ifndef LMIC_DEBUG1_VARIABLE
+# if LMIC_DEBUG_LEVEL > 0
+#  define LMIC_DEBUG1_VARIABLE(v)            do { ; } while (0)
+# else
+#  define LMIC_DEBUG1_VARIABLE(v)            do { (void) (v); } while (0)
+# endif
+#endif
+
+// parameter referenced only if debugging at level > 1
+#ifndef LMIC_DEBUG2_PARAMETER
+# if LMIC_DEBUG_LEVEL > 1
+#  define LMIC_DEBUG2_PARAMETER(v)           do { ; } while (0)
+# else
+#  define LMIC_DEBUG2_PARAMETER(v)           do { (void) (v); } while (0)
+# endif
+#endif
+
+// variable referenced only if debugging at level > 1
+#ifndef LMIC_DEBUG2_VARIABLE
+# if LMIC_DEBUG_LEVEL > 1
+#  define LMIC_DEBUG2_VARIABLE(v)            do { ; } while (0)
+# else
+#  define LMIC_DEBUG2_VARIABLE(v)            do { (void) (v); } while (0)
+# endif
+#endif
+
+// parameter referenced only if LMIC_X_DEBUG_LEVEL > 0
+#ifndef LMIC_X_DEBUG_PARAMETER
+# if LMIC_X_DEBUG_LEVEL > 0
+#  define LMIC_X_DEBUG_PARAMETER(v)           do { ; } while (0)
+# else
+#  define LMIC_X_DEBUG_PARAMETER(v)           do { (void) (v); } while (0)
+# endif
+#endif
+
+// variable referenced only if LMIC_X_DEBUG_LEVEL > 0
+#ifndef LMIC_X_DEBUG_VARIABLE
+# if LMIC_X_DEBUG_LEVEL > 0
+#  define LMIC_X_DEBUG_VARIABLE(v)            do { ; } while (0)
+# else
+#  define LMIC_X_DEBUG_VARIABLE(v)            do { (void) (v); } while (0)
+# endif
+#endif
+
+// parameter referenced only if EV() macro is enabled (which it never is)
+// TODO(tmm@mcci.com) take out the EV() framework as it reuqires C++, and
+// this code is really C-99 to its bones.
+#ifndef LMIC_EV_PARAMETER
+# define LMIC_EV_PARAMETER(v)                 do { (void) (v); } while (0)
+#endif
+
+// variable referenced only if EV() macro is defined.
+#ifndef LMIC_EV_VARIABLE
+# define LMIC_EV_VARIABLE(v)                  do { (void) (v); } while (0)
+#endif
+
+
 #define ON_LMIC_EVENT(ev)  onEvent(ev)
 #define DECL_ON_LMIC_EVENT void onEvent(ev_t e)
 
@@ -258,7 +365,7 @@ u2_t os_crc16 (xref2cu1_t d, uint len);
     // progmem using pgm_read_xx, or accesses memory directly when the
     // index is a constant so gcc can optimize it away;
     #define TABLE_GETTER(postfix, type, pgm_type) \
-        inline type table_get ## postfix(const type *table, size_t index) { \
+        static inline type table_get ## postfix(const type *table, size_t index) { \
             if (__builtin_constant_p(table[index])) \
                 return table[index]; \
             return pgm_read_ ## pgm_type(&table[index]); \
@@ -278,13 +385,13 @@ u2_t os_crc16 (xref2cu1_t d, uint len);
     // For AVR, store constants in PROGMEM, saving on RAM usage
     #define CONST_TABLE(type, name) const type PROGMEM RESOLVE_TABLE(name)
 #else
-    inline u1_t table_get_u1(const u1_t *table, size_t index) { return table[index]; }
+    static inline u1_t table_get_u1(const u1_t *table, size_t index) { return table[index]; }
-    inline s1_t table_get_s1(const s1_t *table, size_t index) { return table[index]; }
+    static inline s1_t table_get_s1(const s1_t *table, size_t index) { return table[index]; }
-    inline u2_t table_get_u2(const u2_t *table, size_t index) { return table[index]; }
+    static inline u2_t table_get_u2(const u2_t *table, size_t index) { return table[index]; }
-    inline s2_t table_get_s2(const s2_t *table, size_t index) { return table[index]; }
+    static inline s2_t table_get_s2(const s2_t *table, size_t index) { return table[index]; }
-    inline u4_t table_get_u4(const u4_t *table, size_t index) { return table[index]; }
+    static inline u4_t table_get_u4(const u4_t *table, size_t index) { return table[index]; }
-    inline s4_t table_get_s4(const s4_t *table, size_t index) { return table[index]; }
+    static inline s4_t table_get_s4(const s4_t *table, size_t index) { return table[index]; }
-    inline ostime_t table_get_ostime(const ostime_t *table, size_t index) { return table[index]; }
+    static inline ostime_t table_get_ostime(const ostime_t *table, size_t index) { return table[index]; }
 
     // Declare a table
     #define CONST_TABLE(type, name) const type RESOLVE_TABLE(name)

lib/arduino-lmic-mcci-v2.2.2/src/lmic/radio.c

@@ -549,7 +549,7 @@ static void txlora () {
     u1_t sf = getSf(LMIC.rps) + 6; // 1 == SF7
     u1_t bw = getBw(LMIC.rps);
     u1_t cr = getCr(LMIC.rps);
-    LMIC_DEBUG_PRINTF("%lu: TXMODE, freq=%lu, len=%d, SF=%d, BW=%d, CR=4/%d, IH=%d\n",
+    LMIC_DEBUG_PRINTF("%"LMIC_PRId_ostime_t": TXMODE, freq=%"PRIu32", len=%d, SF=%d, BW=%d, CR=4/%d, IH=%d\n",
            os_getTime(), LMIC.freq, LMIC.dataLen, sf,
            bw == BW125 ? 125 : (bw == BW250 ? 250 : 500),
            cr == CR_4_5 ? 5 : (cr == CR_4_6 ? 6 : (cr == CR_4_7 ? 7 : 8)),
@@ -656,7 +656,7 @@ static void rxlora (u1_t rxmode) {
         opmode(OPMODE_RX_SINGLE);
 #if LMIC_DEBUG_LEVEL > 0
 	ostime_t now = os_getTime();
-	LMIC_DEBUG_PRINTF("start single rx: now-rxtime: %lu\n", now - LMIC.rxtime);
+	LMIC_DEBUG_PRINTF("start single rx: now-rxtime: %"LMIC_PRId_ostime_t"\n", now - LMIC.rxtime);
 #endif
     } else { // continous rx (scan or rssi)
         opmode(OPMODE_RX);
@@ -669,7 +669,7 @@ static void rxlora (u1_t rxmode) {
         u1_t sf = getSf(LMIC.rps) + 6; // 1 == SF7
         u1_t bw = getBw(LMIC.rps);
         u1_t cr = getCr(LMIC.rps);
-        LMIC_DEBUG_PRINTF("%lu: %s, freq=%lu, SF=%d, BW=%d, CR=4/%d, IH=%d\n",
+        LMIC_DEBUG_PRINTF("%"LMIC_PRId_ostime_t": %s, freq=%"PRIu32", SF=%d, BW=%d, CR=4/%d, IH=%d\n",
                os_getTime(),
                rxmode == RXMODE_SINGLE ? "RXMODE_SINGLE" : (rxmode == RXMODE_SCAN ? "RXMODE_SCAN" : "UNKNOWN_RX"),
                LMIC.freq, sf,
@@ -921,7 +921,12 @@ void radio_irq_handler (u1_t dio) {
 }
 
 void radio_irq_handler_v2 (u1_t dio, ostime_t now) {
+    LMIC_API_PARAMETER(dio);
+
 #if CFG_TxContinuousMode
+    // in continuous mode, we don't use the now parameter.
+    LMIC_UNREFERENCED_PARAMETER(now);
+
     // clear radio IRQ flags
     writeReg(LORARegIrqFlags, 0xFF);
     u1_t p = readReg(LORARegFifoAddrPtr);
@@ -964,7 +969,8 @@ void radio_irq_handler_v2 (u1_t dio, ostime_t now) {
             LMIC.dataLen = 0;
 #if LMIC_DEBUG_LEVEL > 0
 	    ostime_t now2 = os_getTime();
-	    LMIC_DEBUG_PRINTF("rxtimeout: entry: %lu rxtime: %lu entry-rxtime: %lu now-entry: %lu rxtime-txend: %lu\n", entry, LMIC.rxtime, entry - LMIC.rxtime, now2 - entry, LMIC.rxtime-LMIC.txend);
+	    LMIC_DEBUG_PRINTF("rxtimeout: entry: %"LMIC_PRId_ostime_t" rxtime: %"LMIC_PRId_ostime_t" entry-rxtime: %"LMIC_PRId_ostime_t" now-entry: %"LMIC_PRId_ostime_t" rxtime-txend: %"LMIC_PRId_ostime_t"\n", entry,
+                LMIC.rxtime, entry - LMIC.rxtime, now2 - entry, LMIC.rxtime-LMIC.txend);
 #endif
         }
         // mask all radio IRQs

platformio.ini

@@ -29,7 +29,7 @@ description = Paxcounter is a proof-of-concept ESP32 device for metering passeng
 
 [common]
 ; for release_version use max. 10 chars total, use any decimal format like "a.b.c"
-release_version = 1.6.63
+release_version = 1.6.82
 ; DEBUG LEVEL: For production run set to 0, otherwise device will leak RAM while running!
 ; 0=None, 1=Error, 2=Warn, 3=Info, 4=Debug, 5=Verbose
 debug_level = 0
@@ -41,8 +41,9 @@ keyfile = ota.conf
 platform_espressif32 = espressif32@1.5.0
 board_build.partitions = min_spiffs.csv
 monitor_speed = 115200
-lib_deps_all = 
+lib_deps_basic =
     ArduinoJson@^5.13.1
+    Time@>=1.5
 lib_deps_lora = 
 ;    MCCI LoRaWAN LMIC library@^2.2.2
 lib_deps_display =
@@ -51,11 +52,21 @@ lib_deps_rgbled =
     SmartLeds@>=1.1.3
 lib_deps_gps =
     TinyGPSPlus@>=1.0.2
-    Time@>=1.5
+lib_deps_sensors =
+    Adafruit Unified Sensor@^1.0.2
+    Adafruit BME680 Library@^1.0.7
+lib_deps_all = 
+    ${common.lib_deps_basic}
+    ${common.lib_deps_lora}
+    ${common.lib_deps_display}
+    ${common.lib_deps_rgbled}
+    ${common.lib_deps_gps}
+    ${common.lib_deps_sensors}
 build_flags =
-    -include "src/hal/${PIOENV}.h"
+    -include src/hal/${PIOENV}.h
-    -include "src/paxcounter.conf"
+    -include src/paxcounter.conf
     -w
+    ;'-D ARDUINO_LMIC_PROJECT_CONFIG_H="/$PROJECTSRC_DIR/lmic_config.h"'
     '-D ARDUINO_LMIC_PROJECT_CONFIG_H=../../../src/lmic_config.h'
     '-D CORE_DEBUG_LEVEL=${common.debug_level}'
     '-D LOG_LOCAL_LEVEL=${common.debug_level}'
@@ -69,7 +80,7 @@ board = heltec_wifi_lora_32
 board_build.partitions = ${common.board_build.partitions}
 upload_speed = 115200
 lib_deps = 
-    ${common.lib_deps_all}
+    ${common.lib_deps_basic}
     ${common.lib_deps_lora}
 build_flags = 
     ${common.build_flags}
@@ -84,8 +95,9 @@ board = heltec_wifi_lora_32
 board_build.partitions = ${common.board_build.partitions}
 upload_speed = 115200
 lib_deps = 
-    ${common.lib_deps_all}
+    ${common.lib_deps_basic}
     ${common.lib_deps_lora}
+    ${common.lib_deps_rgbled}
 build_flags = 
     ${common.build_flags}
 upload_protocol = ${common.upload_protocol}
@@ -99,7 +111,7 @@ board = heltec_wifi_lora_32
 board_build.partitions = ${common.board_build.partitions}
 upload_speed = 921600
 lib_deps = 
-    ${common.lib_deps_all}
+    ${common.lib_deps_basic}
     ${common.lib_deps_lora}
     ${common.lib_deps_display}
 build_flags = 
@@ -115,7 +127,7 @@ board = heltec_wifi_lora_32
 board_build.partitions = ${common.board_build.partitions}
 upload_speed = 921600
 lib_deps = 
-    ${common.lib_deps_all}
+    ${common.lib_deps_basic}
     ${common.lib_deps_lora}
     ${common.lib_deps_display}
 build_flags = 
@@ -131,7 +143,7 @@ board = ttgo-lora32-v1
 board_build.partitions = ${common.board_build.partitions}
 upload_speed = 115200
 lib_deps = 
-    ${common.lib_deps_all}
+    ${common.lib_deps_basic}
     ${common.lib_deps_lora}
     ${common.lib_deps_display}
 build_flags = 
@@ -147,7 +159,7 @@ board = ttgo-lora32-v1
 board_build.partitions = ${common.board_build.partitions}
 upload_speed = 921600
 lib_deps = 
-    ${common.lib_deps_all}
+    ${common.lib_deps_basic}
     ${common.lib_deps_lora}
     ${common.lib_deps_display}
 build_flags = 
@@ -163,7 +175,7 @@ board = heltec_wifi_lora_32
 board_build.partitions = ${common.board_build.partitions}
 upload_speed = 921600
 lib_deps = 
-    ${common.lib_deps_all}
+    ${common.lib_deps_basic}
     ${common.lib_deps_lora}
     ${common.lib_deps_display}
 build_flags = 
@@ -179,7 +191,7 @@ board = heltec_wifi_lora_32
 board_build.partitions = ${common.board_build.partitions}
 upload_speed = 921600
 lib_deps = 
-    ${common.lib_deps_all}
+    ${common.lib_deps_basic}
     ${common.lib_deps_lora}
     ${common.lib_deps_display}
 build_flags = 
@@ -195,7 +207,7 @@ board = heltec_wifi_lora_32
 board_build.partitions = ${common.board_build.partitions}
 upload_speed = 921600
 lib_deps = 
-    ${common.lib_deps_all}
+    ${common.lib_deps_basic}
     ${common.lib_deps_lora}
     ${common.lib_deps_gps}
 build_flags = 
@@ -212,7 +224,7 @@ board = heltec_wifi_lora_32
 board_build.partitions = ${common.board_build.partitions}
 upload_speed = 921600
 lib_deps = 
-    ${common.lib_deps_all}
+    ${common.lib_deps_basic}
     ${common.lib_deps_lora}
     ${common.lib_deps_rgbled}
 build_flags = 
@@ -228,7 +240,7 @@ board = heltec_wifi_lora_32
 board_build.partitions = ${common.board_build.partitions}
 upload_speed = 921600
 lib_deps = 
-    ${common.lib_deps_all}
+    ${common.lib_deps_basic}
     ${common.lib_deps_lora}
     ${common.lib_deps_rgbled}
     ${common.lib_deps_gps}
@@ -245,7 +257,7 @@ board = heltec_wifi_lora_32
 board_build.partitions = ${common.board_build.partitions}
 upload_speed = 921600
 lib_deps =
-    ${common.lib_deps_all}
+    ${common.lib_deps_basic}
     ${common.lib_deps_lora}
     ${common.lib_deps_rgbled}
     ${common.lib_deps_gps}
@@ -263,7 +275,7 @@ board = lolin32
 board_build.partitions = ${common.board_build.partitions}
 upload_speed = 921600
 lib_deps = 
-    ${common.lib_deps_all}
+    ${common.lib_deps_basic}
     ${common.lib_deps_lora}
     ${common.lib_deps_rgbled}
 build_flags =
@@ -279,7 +291,7 @@ board = lolin32
 board_build.partitions = ${common.board_build.partitions}
 upload_speed = 921600
 lib_deps = 
-    ${common.lib_deps_all}
+    ${common.lib_deps_basic}
     ${common.lib_deps_lora}
     ${common.lib_deps_rgbled}
 build_flags =
@@ -295,7 +307,7 @@ board = lolin32
 board_build.partitions = ${common.board_build.partitions}
 upload_speed = 921600
 lib_deps = 
-    ${common.lib_deps_all}
+    ${common.lib_deps_basic}
     ${common.lib_deps_rgbled}
 build_flags =
     ${common.build_flags}
@@ -309,13 +321,8 @@ framework = arduino
 board = featheresp32
 board_build.partitions = ${common.board_build.partitions}
 upload_speed = 921600
-lib_deps = 
+lib_deps = ${common.lib_deps_all}
-    ${common.lib_deps_all}
+build_flags = ${common.build_flags}
-    ${common.lib_deps_lora}
-    ${common.lib_deps_rgbled}
-    ${common.lib_deps_display}
-build_flags =
-    ${common.build_flags}
 upload_protocol = ${common.upload_protocol}
 extra_scripts = ${common.extra_scripts}
 monitor_speed = ${common.monitor_speed}
@@ -326,14 +333,8 @@ framework = arduino
 board = heltec_wifi_lora_32
 board_build.partitions = ${common.board_build.partitions}
 upload_speed = 921600
-lib_deps = 
+lib_deps = ${common.lib_deps_all}
-    ${common.lib_deps_all}
+build_flags = ${common.build_flags}
-    ${common.lib_deps_lora}
-    ${common.lib_deps_rgbled}
-    ${common.lib_deps_gps}
-    ${common.lib_deps_display}
-build_flags =
-    ${common.build_flags}
 upload_protocol = ${common.upload_protocol}
 extra_scripts = ${common.extra_scripts}
 monitor_speed = ${common.monitor_speed}

src/TTN/packed_decoder.js

@@ -41,6 +41,11 @@ function Decoder(bytes, port) {
         return decode(bytes, [uint8, uint8], ['rssi', 'beacon']);
     }
 
+    if (port === 7) {
+        // BME680 sensor data     
+        return decode(bytes, [temperature, uint16, humidity, uint16], ['temperature', 'pressure', 'humidity', 'air']);
+    }
+
 }
 
 
@@ -132,7 +137,7 @@ var temperature = function (bytes) {
     if (isNegative) {
         t = -t;
     }
-    return t / 1e2;
+    return +(t / 100).toFixed(1);
 };
 temperature.BYTES = 2;
 
@@ -142,7 +147,7 @@ var humidity = function (bytes) {
     }
 
     var h = bytesToInt(bytes);
-    return h / 1e2;
+    return +(h / 100).toFixed(1);
 };
 humidity.BYTES = 2;
 

src/TTN/plain_decoder.js

@@ -41,6 +41,14 @@ function Decoder(bytes, port) {
     decoded.beacon = bytes[i++];
   }
   
+  if (port === 7) {
+    var i = 0;
+    decoded.temperature = ((bytes[i++] << 8) | bytes[i++]);
+    decoded.pressure = ((bytes[i++] << 8) | bytes[i++]);
+    decoded.humidity = ((bytes[i++] << 8) | bytes[i++]);
+    decoded.air = ((bytes[i++] << 8) | bytes[i++]);
+  }
+
   return decoded;
 
 }

src/bme680read.cpp

@@ -0,0 +1,44 @@
+#ifdef HAS_BME
+
+#include "bme680read.h"
+
+// Local logging tag
+static const char TAG[] = "main";
+
+#define SEALEVELPRESSURE_HPA (1013.25)
+
+// I2C Bus interface
+Adafruit_BME680 bme;
+
+bmeStatus_t bme_status;
+
+void bme_init(void) {
+  // initialize BME680 sensor using default i2c address 0x77
+  if (bme.begin(HAS_BME)) {
+    // Set up oversampling and filter initialization
+    bme.setTemperatureOversampling(BME680_OS_8X);
+    bme.setHumidityOversampling(BME680_OS_2X);
+    bme.setPressureOversampling(BME680_OS_4X);
+    bme.setIIRFilterSize(BME680_FILTER_SIZE_3);
+    bme.setGasHeater(320, 150); // 320*C for 150 ms
+    ESP_LOGI(TAG, "BME680 chip found and initialized");
+  } else
+    ESP_LOGE(TAG, "BME680 chip not found on i2c bus");
+}
+
+bool bme_read(void) {
+  bool ret = bme.performReading();
+  if (ret) {
+    // read current BME data and buffer in global struct
+    bme_status.temperature = bme.temperature;
+    bme_status.pressure = (uint16_t)(bme.pressure / 100.0); // convert Pa -> hPa
+    bme_status.humidity = bme.humidity;
+    bme_status.gas_resistance = (uint16_t)(bme.gas_resistance / 1000.0); // convert Ohm -> kOhm
+    ESP_LOGI(TAG, "BME680 sensor data read success");
+  } else {
+    ESP_LOGI(TAG, "BME680 sensor read error");
+  }
+  return ret;
+}
+
+#endif // HAS_BME

src/button.cpp

@@ -10,6 +10,6 @@ void readButton() {
     ESP_LOGI(TAG, "Button pressed");
     payload.reset();
     payload.addButton(0x01);
-    SendData(BUTTONPORT);
+    SendPayload(BUTTONPORT);
 }
 #endif

src/cyclic.cpp

@@ -3,12 +3,13 @@
 
 // Basic config
 #include "cyclic.h"
-#include "rcommand.h"
-#include "spislave.h"
 
 // Local logging tag
 static const char TAG[] = "main";
 
+uint32_t userUTCTime; // Seconds since the UTC epoch
+unsigned long nextTimeSync = millis();
+
 // do all housekeeping
 void doHousekeeping() {
 
@@ -19,6 +20,23 @@ void doHousekeeping() {
   if (cfg.runmode == 1)
     do_reset();
 
+  spi_housekeeping();
+  lora_housekeeping();
+
+// time sync once per TIME_SYNC_INTERVAL
+#ifdef TIME_SYNC_INTERVAL
+  if (millis() >= nextTimeSync) {
+    nextTimeSync = millis() + TIME_SYNC_INTERVAL *
+                                  60000; // set up next time sync period
+    do_timesync();
+  }
+#endif
+
+#ifdef HAS_BME
+  // read BME280 sensor if present
+  bme_read();
+#endif
+
   // task storage debugging //
   ESP_LOGD(TAG, "Wifiloop %d bytes left",
            uxTaskGetStackHighWaterMark(wifiSwitchTask));
@@ -28,10 +46,9 @@ void doHousekeeping() {
   ESP_LOGD(TAG, "Gpsloop %d bytes left", uxTaskGetStackHighWaterMark(GpsTask));
 #endif
 
-  spi_housekeeping();
-
 #if (HAS_LED != NOT_A_PIN) || defined(HAS_RGB_LED)
-  ESP_LOGD(TAG, "LEDloop %d bytes left", uxTaskGetStackHighWaterMark(ledLoopTask));
+  ESP_LOGD(TAG, "LEDloop %d bytes left",
+           uxTaskGetStackHighWaterMark(ledLoopTask));
 #endif
 
 // read battery voltage into global variable
@@ -40,24 +57,13 @@ void doHousekeeping() {
   ESP_LOGI(TAG, "Measured Voltage: %dmV", batt_voltage);
 #endif
 
-// sync time & date if we have valid gps time
-#ifdef HAS_GPS
-  if (gps.time.isValid()) {
-    setTime(gps.time.hour(), gps.time.minute(), gps.time.second(),
-            gps.date.day(), gps.date.month(), gps.date.year());
-    ESP_LOGI(TAG, "Time synced to %02d:%02d:%02d", hour(), minute(), second());
-  } else {
-    ESP_LOGI(TAG, "No valid GPS time");
-  }
-#endif
-
   // check free memory
   if (esp_get_minimum_free_heap_size() <= MEM_LOW) {
     ESP_LOGI(TAG,
              "Memory full, counter cleared (heap low water mark = %d Bytes / "
              "free heap = %d bytes)",
              esp_get_minimum_free_heap_size(), ESP.getFreeHeap());
-    SendData(COUNTERPORT); // send data before clearing counters
+    SendPayload(COUNTERPORT); // send data before clearing counters
     reset_counters();      // clear macs container and reset all counters
     get_salt();            // get new salt for salting hashes
 
@@ -83,6 +89,26 @@ void reset_counters() {
   macs_ble = 0;
 }
 
+void do_timesync() {
+#ifdef TIME_SYNC_INTERVAL
+// sync time & date if we have valid gps time
+#ifdef HAS_GPS
+  if (gps.time.isValid()) {
+    setTime(gps.time.hour(), gps.time.minute(), gps.time.second(),
+            gps.date.day(), gps.date.month(), gps.date.year());
+    ESP_LOGI(TAG, "Time synced by GPS to %02d:%02d:%02d", hour(), minute(),
+             second());
+    return;
+  } else {
+    ESP_LOGI(TAG, "No valid GPS time");
+  }
+#endif // HAS_GPS
+  // Schedule a network time request at the next possible time
+  LMIC_requestNetworkTime(user_request_network_time_callback, &userUTCTime);
+  ESP_LOGI(TAG, "Network time request scheduled");
+#endif // TIME_SYNC_INTERVAL
+} // do_timesync()
+
 #ifndef VERBOSE
 int redirect_log(const char *fmt, va_list args) {
   // do nothing

src/hal/generic.h

@@ -13,6 +13,8 @@
 #define SPI_SCLK GPIO_NUM_18
 #define SPI_CS   GPIO_NUM_5
 
+#define HAS_BME 0x77  // BME680 sensor on I2C bus (SDA=4/SCL=15); comment out if not present
+
 #define CFG_sx1276_radio 1 // select LoRa chip
 //#define CFG_sx1272_radio 1 // select LoRa chip
 #define BOARD_HAS_PSRAM // use if board has external PSRAM

src/hal/heltec.h

@@ -3,11 +3,11 @@
 
 #include <stdint.h>
 
-// Hardware related definitions for Heltec LoRa-32 Board
+//#define HAS_BME 0x77  // BME680 sensor on I2C bus (SDI=21/SCL=22); comment out if not present
 
+// Hardware related definitions for Heltec LoRa-32 Board
 #define HAS_LORA 1       // comment out if device shall not send data via LoRa
 #define CFG_sx1276_radio 1
-
 #define HAS_DISPLAY U8X8_SSD1306_128X64_NONAME_HW_I2C // OLED-Display on board
 #define HAS_LED (25) // white LED on board
 #define HAS_BUTTON (0) // button "PROG" on board

src/hal/octopus32.h

@@ -10,6 +10,8 @@
 // disable brownout detection (avoid unexpected reset on some boards)
 #define DISABLE_BROWNOUT 1 // comment out if you want to keep brownout feature
 
+#define HAS_BME 0x76  // BME680 sensor on I2C bus; comment out if not present
+
 #define HAS_LED        13  // ESP32 GPIO12 (pin22) On Board LED
 #define LED_ACTIVE_LOW 1  // Onboard LED is active when pin is LOW
 //#define HAS_RGB_LED   13  // ESP32 GPIO13 (pin13) On Board Shield WS2812B RGB LED

src/hal/ttgov21new.h

@@ -8,6 +8,8 @@
 // This settings are for boards labeled v1.6 on pcb, NOT for v1.5 or older
 */
 
+#define HAS_BME 0x77  // BME680 sensor on I2C bus (SDI=21/SCL=22); comment out if not present
+
 #define HAS_LORA 1       // comment out if device shall not send data via LoRa
 #define CFG_sx1276_radio 1 // HPD13A LoRa SoC
 

src/irqhandler.cpp

@@ -35,8 +35,8 @@ void irqHandler(void *pvParameters) {
       doHousekeeping();
 
     // is time to send the payload?
-    if (InterruptStatus & SENDPAYLOAD_IRQ)
+    if (InterruptStatus & SENDCOUNTER_IRQ)
-      sendPayload();
+      sendCounter();
   }
   vTaskDelete(NULL); // shoud never be reached
 }
@@ -55,7 +55,7 @@ void IRAM_ATTR homeCycleIRQ() {
 }
 
 void IRAM_ATTR SendCycleIRQ() {
-  xTaskNotifyFromISR(irqHandlerTask, SENDPAYLOAD_IRQ, eSetBits, NULL);
+  xTaskNotifyFromISR(irqHandlerTask, SENDCOUNTER_IRQ, eSetBits, NULL);
   portYIELD_FROM_ISR();
 }
 

src/lmic_config.h

@@ -21,6 +21,9 @@
 
 //#define LMIC_USE_INTERRUPTS
 
+//time sync via LoRaWAN network, is not yet supported by TTN (LoRaWAN spec v1.0.3)
+#define LMIC_ENABLE_DeviceTimeReq 1
+
 // 16 μs per tick
 // LMIC requires ticks to be 15.5μs - 100 μs long
 #define US_PER_OSTICK_EXPONENT 4
@@ -38,7 +41,7 @@
 // enable more verbose output. Make sure that printf is actually
 // configured (e.g. on AVR it is not by default), otherwise using it can
 // cause crashing.
-//#define LMIC_DEBUG_LEVEL 1
+#define LMIC_DEBUG_LEVEL 0
 
 // Enable this to allow using printf() to print to the given serial port
 // (or any other Print object). This can be easy for debugging. The

src/lorawan.cpp

@@ -328,7 +328,7 @@ void lora_send(osjob_t *job) {
     // waiting for LoRa getting ready
   } else {
     if (xQueueReceive(LoraSendQueue, &SendBuffer, (TickType_t)0) == pdTRUE) {
-      // SendBuffer gets struct MessageBuffer with next payload from queue
+      // SendBuffer now filled with next payload from queue
       if (!LMIC_setTxData2(SendBuffer.MessagePort, SendBuffer.Message,
                            SendBuffer.MessageSize, (cfg.countermode & 0x02))) {
         ESP_LOGI(TAG, "%d byte(s) sent to LoRa", SendBuffer.MessageSize);
@@ -389,7 +389,7 @@ esp_err_t lora_stack_init() {
 #endif
 }
 
-void lora_enqueuedata(uint8_t messageType, MessageBuffer_t *message) {
+void lora_enqueuedata(MessageBuffer_t *message) {
   // enqueue message in LORA send queue
 #ifdef HAS_LORA
   BaseType_t ret =
@@ -414,3 +414,39 @@ void lora_housekeeping(void) {
 // uxTaskGetStackHighWaterMark(LoraTask));
 #endif
 }
+
+void user_request_network_time_callback(void *pVoidUserUTCTime,
+                                        int flagSuccess) {
+  // Explicit conversion from void* to uint32_t* to avoid compiler errors
+  uint32_t *pUserUTCTime = (uint32_t *)pVoidUserUTCTime;
+  lmic_time_reference_t lmicTimeReference;
+
+  if (flagSuccess != 1) {
+    ESP_LOGW(TAG, "LoRaWAN network did not answer time request");
+    return;
+  }
+
+  // Populate lmic_time_reference
+  flagSuccess = LMIC_getNetworkTimeReference(&lmicTimeReference);
+  if (flagSuccess != 1) {
+    ESP_LOGW(TAG, "LoRaWAN time request failed");
+    return;
+  }
+
+  // Update userUTCTime, considering the difference between the GPS and UTC
+  // epoch, and the leap seconds
+  *pUserUTCTime = lmicTimeReference.tNetwork + 315964800;
+  // Current time, in ticks
+  ostime_t ticksNow = os_getTime();
+  // Time when the request was sent, in ticks
+  ostime_t ticksRequestSent = lmicTimeReference.tLocal;
+  // Add the delay between the instant the time was transmitted and
+  // the current time
+  uint32_t requestDelaySec = osticks2ms(ticksNow - ticksRequestSent) / 1000;
+  *pUserUTCTime += requestDelaySec;
+
+  // Update system time with  time read from the network
+  setTime(*pUserUTCTime);
+  ESP_LOGI(TAG, "Time synced by LoRa network to %02d:%02d:%02d", hour(),
+           minute(), second());
+}

src/macsniff.cpp

@@ -107,7 +107,7 @@ bool mac_add(uint8_t *paddr, int8_t rssi, bool sniff_type) {
 #endif
           payload.reset();
           payload.addAlarm(rssi, beaconID);
-          SendData(BEACONPORT);
+          SendPayload(BEACONPORT);
         }
       };
 

src/main.cpp

@@ -55,7 +55,8 @@ uint8_t volatile channel = 0;              // channel rotation counter
 uint16_t volatile macs_total = 0, macs_wifi = 0, macs_ble = 0,
                   batt_voltage = 0; // globals for display
 
-hw_timer_t *channelSwitch = NULL, *sendCycle = NULL, *homeCycle = NULL, *displaytimer = NULL; // irq tasks
+hw_timer_t *channelSwitch = NULL, *sendCycle = NULL, *homeCycle = NULL,
+           *displaytimer = NULL; // irq tasks
 TaskHandle_t irqHandlerTask, wifiSwitchTask;
 
 std::set<uint16_t> macs; // container holding unique MAC adress hashes
@@ -157,6 +158,12 @@ void setup() {
   strcat_P(features, " GPS");
 #endif
 
+// initialize gps
+#ifdef HAS_BME
+  strcat_P(features, " BME");
+  bme_init();
+#endif
+
 // initialize LoRa
 #ifdef HAS_LORA
   strcat_P(features, " LORA");

src/paxcounter.conf

@@ -59,6 +59,7 @@
 #define LPP1PORT                        1       // Port for Cayenne LPP 1.0 dynamic sensor encoding
 #define LPP2PORT                        2       // Port for Cayenne LPP 2.0 packed sensor encoding
 #define BEACONPORT                      6       // Port on which device sends beacon alarms
+#define BMEPORT                         7       // Port on which device sends BME680 sensor data
 
 // Some hardware settings
 #define RGBLUMINOSITY                   30      // RGB LED luminosity [default = 30%]
@@ -72,5 +73,8 @@
 #define OTA_MIN_BATT                    3600    // minimum battery level for OTA [millivolt]
 #define RESPONSE_TIMEOUT_MS             60000   // firmware binary server connection timeout [milliseconds]
 
+// setting for syncing time of node
+//#define TIME_SYNC_INTERVAL              60      // sync time each ... minutes [default = 60], comment out means off          
+
 // LMIC settings
 // moved to src/lmic_config.h

src/payload.cpp

@@ -93,6 +93,21 @@ void PayloadConvert::addGPS(gpsStatus_t value) {
 #endif
 }
 
+void PayloadConvert::addBME(bmeStatus_t value) {
+#ifdef HAS_BME
+  int16_t temperature = (int16_t)(value.temperature); // float -> int
+  uint16_t humidity = (uint16_t)(value.humidity);     // float -> int
+  buffer[cursor++] = highByte(temperature);
+  buffer[cursor++] = lowByte(temperature);
+  buffer[cursor++] = highByte(value.pressure);
+  buffer[cursor++] = lowByte(value.pressure);
+  buffer[cursor++] = highByte(humidity);
+  buffer[cursor++] = lowByte(humidity);
+  buffer[cursor++] = highByte(value.gas_resistance);
+  buffer[cursor++] = lowByte(value.gas_resistance);
+#endif
+}
+
 void PayloadConvert::addButton(uint8_t value) {
 #ifdef HAS_BUTTON
   buffer[cursor++] = value;
@@ -150,6 +165,15 @@ void PayloadConvert::addGPS(gpsStatus_t value) {
 #endif
 }
 
+void PayloadConvert::addBME(bmeStatus_t value) {
+#ifdef HAS_BME
+  writeTemperature(value.temperature);
+  writeUint16(value.pressure);
+  writeHumidity(value.humidity);
+  writeUint16(value.gas_resistance);
+#endif
+}
+
 void PayloadConvert::addButton(uint8_t value) {
 #ifdef HAS_BUTTON
   writeUint8(value);
@@ -217,8 +241,10 @@ void PayloadConvert::writeBitmap(bool a, bool b, bool c, bool d, bool e, bool f,
   writeUint8(bitmap);
 }
 
-/* ---------------- Cayenne LPP format ---------- */
+/* ---------------- Cayenne LPP 2.0 format ---------- */
-// http://community.mydevices.com/t/cayenne-lpp-2-0/7510
+// see specs http://community.mydevices.com/t/cayenne-lpp-2-0/7510
+// PAYLOAD_ENCODER == 3 -> Dynamic Sensor Payload, using channels -> FPort 1
+// PAYLOAD_ENCODER == 4 -> Packed Sensor Payload, not using channels -> FPort 2
 
 #elif (PAYLOAD_ENCODER == 3 || PAYLOAD_ENCODER == 4)
 
@@ -226,13 +252,15 @@ void PayloadConvert::addCount(uint16_t value1, uint16_t value2) {
 #if (PAYLOAD_ENCODER == 3)
   buffer[cursor++] = LPP_COUNT_WIFI_CHANNEL;
 #endif
-  buffer[cursor++] = LPP_LUMINOSITY; // workaround, type meter not found?
+  buffer[cursor++] =
+      LPP_LUMINOSITY; // workaround since cayenne has no data type meter
   buffer[cursor++] = highByte(value1);
   buffer[cursor++] = lowByte(value1);
 #if (PAYLOAD_ENCODER == 3)
   buffer[cursor++] = LPP_COUNT_BLE_CHANNEL;
 #endif
-  buffer[cursor++] = LPP_LUMINOSITY; // workaround, type meter not found?
+  buffer[cursor++] =
+      LPP_LUMINOSITY; // workaround since cayenne has no data type meter
   buffer[cursor++] = highByte(value2);
   buffer[cursor++] = lowByte(value2);
 }
@@ -269,9 +297,10 @@ void PayloadConvert::addStatus(uint16_t voltage, uint64_t uptime, float celsius,
   buffer[cursor++] = LPP_ANALOG_INPUT;
   buffer[cursor++] = highByte(volt);
   buffer[cursor++] = lowByte(volt);
-#endif
+#endif // HAS_BATTERY_PROBE
+
 #if (PAYLOAD_ENCODER == 3)
-  buffer[cursor++] = LPP_TEMP_CHANNEL;
+  buffer[cursor++] = LPP_TEMPERATURE_CHANNEL;
 #endif
   buffer[cursor++] = LPP_TEMPERATURE;
   buffer[cursor++] = highByte(temp);
@@ -292,11 +321,50 @@ void PayloadConvert::addGPS(gpsStatus_t value) {
   buffer[cursor++] = (byte)((lat & 0x0000FF));
   buffer[cursor++] = (byte)((lon & 0xFF0000) >> 16);
   buffer[cursor++] = (byte)((lon & 0x00FF00) >> 8);
-  buffer[cursor++] = (byte)((lon & 0x0000FF));
+  buffer[cursor++] = (byte)(lon & 0x0000FF);
   buffer[cursor++] = (byte)((alt & 0xFF0000) >> 16);
   buffer[cursor++] = (byte)((alt & 0x00FF00) >> 8);
-  buffer[cursor++] = (byte)((alt & 0x0000FF));
+  buffer[cursor++] = (byte)(alt & 0x0000FF);
+#endif // HAS_GPS
+}
+
+void PayloadConvert::addBME(bmeStatus_t value) {
+#ifdef HAS_BME
+
+  // data value conversions to meet cayenne data type definition
+  // 0.1°C per bit => -3276,7 .. +3276,7 °C
+  int16_t temperature = (int16_t)(value.temperature * 10.0);
+  // 0.1 hPa per bit => 0 .. 6553,6 hPa
+  uint16_t pressure = value.pressure * 10;
+  // 0.5% per bit => 0 .. 128 %C
+  uint8_t humidity = (uint8_t)(value.humidity * 2.0);
+  // 0.01 Ohm per bit => 0 .. 655,36 Ohm
+  uint16_t gas = value.gas_resistance * 100;
+
+#if (PAYLOAD_ENCODER == 3)
+  buffer[cursor++] = LPP_TEMPERATURE_CHANNEL;
 #endif
+  buffer[cursor++] = LPP_TEMPERATURE; // 2 bytes 0.1 °C Signed MSB
+  buffer[cursor++] = highByte(temperature);
+  buffer[cursor++] = lowByte(temperature);
+#if (PAYLOAD_ENCODER == 3)
+  buffer[cursor++] = LPP_BAROMETER_CHANNEL;
+#endif
+  buffer[cursor++] = LPP_BAROMETER; // 2 bytes 0.1 hPa Unsigned MSB
+  buffer[cursor++] = highByte(pressure);
+  buffer[cursor++] = lowByte(pressure);
+#if (PAYLOAD_ENCODER == 3)
+  buffer[cursor++] = LPP_HUMIDITY_CHANNEL;
+#endif
+  buffer[cursor++] = LPP_HUMIDITY; // 1 byte 0.5 % Unsigned
+  buffer[cursor++] = humidity;
+#if (PAYLOAD_ENCODER == 3)
+  buffer[cursor++] = LPP_GAS_CHANNEL;
+#endif
+  buffer[cursor++] = LPP_ANALOG_INPUT; // 2 bytes 0.01 Signed
+  buffer[cursor++] = highByte(gas);
+  buffer[cursor++] = lowByte(gas);
+#endif // HAS_BME
 }
 
 void PayloadConvert::addButton(uint8_t value) {
@@ -306,7 +374,7 @@ void PayloadConvert::addButton(uint8_t value) {
 #endif
   buffer[cursor++] = LPP_DIGITAL_INPUT;
   buffer[cursor++] = value;
-#endif
+#endif // HAS_BUTTON
 }
 
 #else

src/rcommand.cpp

@@ -211,7 +211,7 @@ void get_config(uint8_t val[]) {
   ESP_LOGI(TAG, "Remote command: get device configuration");
   payload.reset();
   payload.addConfig(cfg);
-  SendData(CONFIGPORT);
+  SendPayload(CONFIGPORT);
 };
 
 void get_status(uint8_t val[]) {
@@ -225,7 +225,7 @@ void get_status(uint8_t val[]) {
   payload.addStatus(voltage, uptime() / 1000, temperatureRead(),
                     ESP.getFreeHeap(), rtc_get_reset_reason(0),
                     rtc_get_reset_reason(1));
-  SendData(STATUSPORT);
+  SendPayload(STATUSPORT);
 };
 
 void get_gps(uint8_t val[]) {
@@ -234,12 +234,23 @@ void get_gps(uint8_t val[]) {
   gps_read();
   payload.reset();
   payload.addGPS(gps_status);
-  SendData(GPSPORT);
+  SendPayload(GPSPORT);
 #else
   ESP_LOGW(TAG, "GPS function not supported");
 #endif
 };
 
+void get_bme(uint8_t val[]) {
+  ESP_LOGI(TAG, "Remote command: get bme680 sensor data");
+#ifdef HAS_BME
+  payload.reset();
+  payload.addBME(bme_status);
+  SendPayload(BMEPORT);
+#else
+  ESP_LOGW(TAG, "BME680 sensor not supported");
+#endif
+};
+
 // assign previously defined functions to set of numeric remote commands
 // format: opcode, function, #bytes params,
 // flag (true = do make settings persistent / false = don't)
@@ -255,7 +266,8 @@ cmd_t table[] = {
     {0x0f, set_wifiant, 1, true},       {0x10, set_rgblum, 1, true},
     {0x11, set_monitor, 1, true},       {0x12, set_beacon, 7, false},
     {0x80, get_config, 0, false},       {0x81, get_status, 0, false},
-    {0x84, get_gps, 0, false}};
+    {0x84, get_gps, 0, false},          {0x85, get_bme, 0, false},
+};
 
 const uint8_t cmdtablesize =
     sizeof(table) / sizeof(table[0]); // number of commands in command table

src/senddata.cpp

@@ -2,9 +2,9 @@
 #include "senddata.h"
 
 // put data to send in RTos Queues used for transmit over channels Lora and SPI
-void SendData(uint8_t port) {
+void SendPayload(uint8_t port) {
 
-  MessageBuffer_t SendBuffer;
+  MessageBuffer_t SendBuffer; // contains MessageSize, MessagePort, Message[]
 
   SendBuffer.MessageSize = payload.getSize();
   SendBuffer.MessagePort = PAYLOAD_ENCODER <= 2
@@ -13,25 +13,26 @@ void SendData(uint8_t port) {
   memcpy(SendBuffer.Message, payload.getBuffer(), payload.getSize());
 
   // enqueue message in device's send queues
-  lora_enqueuedata(port, &SendBuffer);
+  lora_enqueuedata(&SendBuffer);
-  spi_enqueuedata(port, &SendBuffer);
+  spi_enqueuedata(&SendBuffer);
 
-  // clear counter if not in cumulative counter mode
+} // SendPayload
-  if ((port == COUNTERPORT) && (cfg.countermode != 1)) {
-    reset_counters(); // clear macs container and reset all counters
-    get_salt();       // get new salt for salting hashes
-    ESP_LOGI(TAG, "Counter cleared");
-  }
-} // SendData
 
 // interrupt triggered function to prepare payload to send
-void sendPayload() {
+void sendCounter() {
 
   // append counter data to payload
   payload.reset();
   payload.addCount(macs_wifi, cfg.blescan ? macs_ble : 0);
   // append GPS data, if present
 
+  // clear counter if not in cumulative counter mode
+  if (cfg.countermode != 1) {
+    reset_counters(); // clear macs container and reset all counters
+    get_salt();       // get new salt for salting hashes
+    ESP_LOGI(TAG, "Counter cleared");
+  }
+
 #ifdef HAS_GPS
   // show NMEA data in debug mode, useful for debugging GPS on board
   // connection
@@ -49,8 +50,16 @@ void sendPayload() {
     ESP_LOGD(TAG, "No valid GPS position or GPS data mode disabled");
   }
 #endif
-  SendData(COUNTERPORT);
+  SendPayload(COUNTERPORT);
-} // sendpayload()
+
+// if we have MEMS sensor, send sensor data in separate frame
+#ifdef HAS_BME
+  payload.reset();
+  payload.addBME(bme_status);
+  SendPayload(BMEPORT);
+#endif
+
+} // sendCounter()
 
 void flushQueues() {
   lora_queuereset();

src/spislave.cpp

@@ -149,7 +149,7 @@ esp_err_t spi_init() {
 #endif
 }
 
-void spi_enqueuedata(uint8_t messageType, MessageBuffer_t *message) {
+void spi_enqueuedata(MessageBuffer_t *message) {
   // enqueue message in SPI send queue
 #ifdef HAS_SPI
   BaseType_t ret =