Merge pull request #114 from cyberman54/development

v1.3.92

README.md

@@ -167,6 +167,10 @@ Hereafter described is the default *plain* format, which uses MSB bit numbering.
 	bytes 10-11:	HDOP
 	bytes 12-13:	Altitude [meter]
 
+**Port #5:** Button pressed signal
+
+	byte 1:		static value 0x01
+
 
 [**plain_decoder.js**](src/TTN/plain_decoder.js)
 

platformio.ini

@@ -11,11 +11,11 @@
 
 ; ---> SELECT TARGET PLATFORM HERE! <---
 [platformio]
-;env_default = generic
+env_default = generic
 ;env_default = heltec
 ;env_default = ttgov1
 ;env_default = ttgov2
-env_default = ttgov21
+;env_default = ttgov21
 ;env_default = ttgobeam
 ;env_default = lopy
 ;env_default = lopy4
@@ -28,7 +28,6 @@ description = Paxcounter is a proof-of-concept ESP32 device for metering passeng
 
 [common_env_data]
 platform_espressif32 = espressif32@1.0.2
-;platform_espressif32 = espressif32@1.1.2
 ;platform_espressif32 = https://github.com/platformio/platform-espressif32.git#feature/stage
 board_build.partitions = no_ota.csv
 lib_deps_all =

src/display.cpp

@@ -13,6 +13,8 @@ const char lora_datarate[] = {"1211100908077BFSNA"};
 const char lora_datarate[] = {"100908078CNA121110090807"};
 #endif
 
+uint8_t DisplayState = 0;
+
 // helper function, prints a hex key on display
 void DisplayKey(const uint8_t *key, uint8_t len, bool lsb) {
   const uint8_t *p;
@@ -107,16 +109,22 @@ void refreshDisplay() {
   u8x8.draw2x2String(0, 0,
                      buff); // display number on unique macs total Wifi + BLE
 
-  // update GPS status (line 2)
+// update Battery status (line 2)
+#ifdef HAS_BATTERY_PROBE
+  u8x8.setCursor(0, 2);
+  u8x8.printf("B:%.1fV", read_voltage() / 1000.0);
+#endif
+
+// update GPS status (line 2)
 #ifdef HAS_GPS
-  u8x8.setCursor(7, 2);
+  u8x8.setCursor(8, 2);
   if (!gps.location.isValid()) // if no fix then display Sats value inverse
   {
     u8x8.setInverseFont(1);
-    u8x8.printf("Sats: %.3d", gps.satellites.value());
+    u8x8.printf("Sat:%.3d", gps.satellites.value());
     u8x8.setInverseFont(0);
   } else
-    u8x8.printf("Sats: %.3d", gps.satellites.value());
+    u8x8.printf("Sat:%.3d", gps.satellites.value());
 #endif
 
     // update bluetooth counter + LoRa SF (line 3)

src/display.h

@@ -3,6 +3,8 @@
 
 #include <U8x8lib.h>
 
+extern uint8_t DisplayState;
+
 void init_display(const char *Productname, const char *Version);
 void refreshDisplay(void);
 void DisplayKey(const uint8_t *key, uint8_t len, bool lsb);

src/globals.h

@@ -8,7 +8,7 @@
 #include <esp32-hal-log.h>
 
 // attn: increment version after modifications to configData_t truct!
-#define PROGVERSION "1.3.91" // use max 10 chars here!
+#define PROGVERSION "1.3.92" // use max 10 chars here!
 #define PROGNAME "PAXCNT"
 
 // std::set for unified array functions
@@ -36,12 +36,12 @@ typedef struct {
   char version[10];      // Firmware version
 } configData_t;
 
-extern configData_t cfg;
+// global variables
-extern char display_line6[], display_line7[];
+extern configData_t cfg;                      // current device configuration
-extern int countermode, screensaver, adrmode, lorasf, txpower, rlim;
+extern char display_line6[], display_line7[]; // screen buffers
-extern uint8_t channel, DisplayState;
+extern uint8_t channel;                       // wifi channel rotation counter
 extern uint16_t macs_total, macs_wifi, macs_ble; // MAC counters
-extern std::set<uint16_t> macs;
+extern std::set<uint16_t> macs;                  // temp storage for MACs
 extern hw_timer_t *channelSwitch, *sendCycle;
 extern portMUX_TYPE timerMux;
 
@@ -49,6 +49,8 @@ extern portMUX_TYPE timerMux;
 #include "gps.h"
 #endif
 
+#include "payload.h"
+
 #ifdef HAS_LORA
 #include "lorawan.h"
 #endif
@@ -69,18 +71,6 @@ extern portMUX_TYPE timerMux;
 #include "antenna.h"
 #endif
 
-// class for preparing payload data
-#include "payload.h"
-#if PAYLOAD_ENCODER == 1
-extern TTNplain payload;
-#elif PAYLOAD_ENCODER == 2
-extern TTNpacked payload;
-#elif PAYLOAD_ENCODER == 3
-extern CayenneLPP payload;
-#else
-#error "No valid payload converter defined"
-#endif
-
 void reset_counters(void);
 void blink_LED(uint16_t set_color, uint16_t set_blinkduration);
 void led_loop(void);

src/gps.cpp

@@ -5,13 +5,16 @@
 // Local logging tag
 static const char TAG[] = "main";
 
+TinyGPSPlus gps;        
+gpsStatus_t gps_status;
+
 // read GPS data and cast to global struct
 void gps_read() {
-  gps_status.latitude = (uint32_t)(gps.location.lat() * 1e6);
+  gps_status.latitude = (int32_t)(gps.location.lat() * 1e6);
-  gps_status.longitude = (uint32_t)(gps.location.lng() * 1e6);
+  gps_status.longitude = (int32_t)(gps.location.lng() * 1e6);
   gps_status.satellites = (uint8_t)gps.satellites.value();
   gps_status.hdop = (uint16_t)gps.hdop.value();
-  gps_status.altitude = (uint16_t)gps.altitude.meters();
+  gps_status.altitude = (int16_t)gps.altitude.meters();
 }
 
 // GPS serial feed FreeRTos Task

src/hal/generic.h

@@ -6,6 +6,7 @@
 #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
+#define DISABLE_BROWNOUT 1 // comment out if you want to keep brownout feature
 
 #define HAS_DISPLAY U8X8_SSD1306_128X64_NONAME_HW_I2C
 //#define DISPLAY_FLIP  1 // use if display is rotated

src/hal/ttgobeam.h

@@ -3,10 +3,12 @@
 #define HAS_LORA  1       // comment out if device shall not send data via LoRa
 #define HAS_SPI   1       // comment out if device shall not send data via SPI
 #define CFG_sx1276_radio 1 // HPD13A LoRa SoC
-#define BOARD_HAS_PSRAM // use extra 4MB extern RAM
 
-#define HAS_LED GPIO_NUM_21 // on board green LED_G1
+#define BOARD_HAS_PSRAM // use extra 4MB extern RAM
-//#define HAS_BUTTON GPIO_NUM_39 // on board button "BOOT" (next to reset button) !! seems not to work!!
+#define HAS_LED GPIO_NUM_21 // on board green LED
+
+#define HAS_BUTTON GPIO_NUM_39 // on board button "BOOT" (next to reset button)
+
 #define HAS_BATTERY_PROBE ADC1_GPIO35_CHANNEL // battery probe GPIO pin -> ADC1_CHANNEL_7
 #define BATT_FACTOR 2 // voltage divider 100k/100k on board
 #define HAS_GPS 1 // use on board GPS

src/loraconf.sample.h

@@ -23,8 +23,6 @@
  *
  ************************************************************/
 
-#include <Arduino.h>
-
 static const u1_t DEVEUI[8] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 
 static const u1_t APPEUI[8] = {0x70, 0xB3, 0xD5, 0x00, 0x00, 0x00, 0x00, 0x00};

src/main.cpp

@@ -27,20 +27,14 @@ licenses. Refer to LICENSE.txt file in repository for more details.
 #include "globals.h"
 #include "main.h"
 
-// Initialize global variables
 configData_t cfg; // struct holds current device configuration
 char display_line6[16], display_line7[16]; // display buffers
-uint8_t DisplayState = 0, channel = 0;     // globals for state machine
+uint8_t channel = 0;                       // channel rotation counter
 uint16_t macs_total = 0, macs_wifi = 0,
          macs_ble = 0; // MAC counters globals for display
 hw_timer_t *channelSwitch = NULL, *displaytimer = NULL,
            *sendCycle = NULL; // configure hardware timer for cyclic tasks
 
-#ifdef HAS_GPS
-gpsStatus_t gps_status; // struct for storing gps data
-TinyGPSPlus gps;        // create TinyGPS++ instance
-#endif
-
 // this variables will be changed in the ISR, and read in main loop
 static volatile int ButtonPressedIRQ = 0, ChannelTimerIRQ = 0,
                     SendCycleTimerIRQ = 0, DisplayTimerIRQ = 0;
@@ -52,16 +46,8 @@ portMUX_TYPE timerMux =
 std::set<uint16_t> macs; // associative container holds total of unique MAC
                          // adress hashes (Wifi + BLE)
 
-// initialize payload encoder
+// initialize payload ncoder
-#if PAYLOAD_ENCODER == 1
+PayloadConvert payload(PAYLOAD_BUFFER_SIZE);
-TTNplain payload(PAYLOAD_BUFFER_SIZE);
-#elif PAYLOAD_ENCODER == 2
-TTNpacked payload(PAYLOAD_BUFFER_SIZE);
-#elif PAYLOAD_ENCODER == 3
-CayenneLPP payload(PAYLOAD_BUFFER_SIZE);
-#else
-#error "No valid payload converter defined"
-#endif
 
 // local Tag for logging
 static const char TAG[] = "main";
@@ -153,9 +139,9 @@ void readButton() {
     ButtonPressedIRQ = 0;
     portEXIT_CRITICAL(&timerMux);
     ESP_LOGI(TAG, "Button pressed");
-    ESP_LOGI(TAG, "Button pressed, resetting device to factory defaults");
+    payload.reset();
-    eraseConfig();
+    payload.addButton(0x01);
-    esp_restart();
+    senddata(BUTTONPORT);
   }
 }
 #endif
@@ -225,7 +211,7 @@ void sendPayload() {
     }
 #endif
 
-    senddata(PAYLOADPORT);
+    senddata(COUNTERPORT);
   }
 } // sendPayload()
 
@@ -456,7 +442,7 @@ void loop() {
                "Memory full, counter cleared (heap low water mark = %d Bytes / "
                "free heap = %d bytes)",
                esp_get_minimum_free_heap_size(), ESP.getFreeHeap());
-      senddata(PAYLOADPORT); // send data before clearing counters
+      senddata(COUNTERPORT); // send data before clearing counters
       reset_counters();      // clear macs container and reset all counters
       reset_salt();          // get new salt for salting hashes
     }

src/paxcounter.conf

@@ -7,7 +7,11 @@
 // Verbose enables serial output
 #define VERBOSE                         1       // comment out to silence the device, for mute use build option
 
-// set this to include BLE counting and vendor filter functions
+// Payload send cycle and encoding
+#define SEND_SECS                       30      // payload send cycle [seconds/2] -> 240 sec.
+#define PAYLOAD_ENCODER                 3       // payload encoder: 1=Plain, 2=Packed, 3=CayenneLPP dynamic, 4=CayenneLPP packed
+
+// Set this to include BLE counting and vendor filter functions
 #define VENDORFILTER                    1       // comment out if you want to count things, not people
 #define BLECOUNTER                      1       // comment out if you don't want BLE count, saves power & memory
 
@@ -38,6 +42,7 @@
 // LoRa payload default parameters
 #define PAYLOAD_ENCODER                 1       // select payload encoder: 1=Plain [default], 2=Packed, 3=CayenneLPP
 #define SEND_SECS                       120     // payload send cycle [seconds/2] -> 240 sec.
+
 #define MEM_LOW                         2048    // [Bytes] low memory threshold triggering a send cycle
 #define RETRANSMIT_RCMD                 5       // [seconds] wait time before retransmitting rcommand results
 #define PAYLOAD_BUFFER_SIZE             51      // maximum size of payload block per transmit
@@ -45,11 +50,13 @@
 #define MAXLORARETRY                    500     // maximum count of TX retries if LoRa busy
 
 // Ports on which the device sends and listenes on LoRaWAN and SPI
-#define PAYLOADPORT                     1       // Port on which device sends counts
+#define COUNTERPORT                     1       // Port on which device sends counts
 #define RCMDPORT                        2       // Port on which device listenes for remote commands
 #define STATUSPORT                      2       // Port on which device sends remote command results
 #define CONFIGPORT                      3       // Port on which device sends gps query results
 #define GPSPORT                         4       // Port on which device sends gps query results
+#define BUTTONPORT                      5       // Port on which device sends button pressed signal
+#define CAYENNEPORT                     2       // Port for Cayenne LPP 2.0 packet sensor encoding
 
 // Default RGB LED luminosity (in %)
 #define RGBLUMINOSITY                   30      // 30%

src/payload.cpp

@@ -2,47 +2,31 @@
 #include "globals.h"
 #include "payload.h"
 
-/* ---------------- plain format without special encoding ---------- */
+PayloadConvert::PayloadConvert(uint8_t size) {
-
-TTNplain::TTNplain(uint8_t size) {
   buffer = (uint8_t *)malloc(size);
   cursor = 0;
 }
 
-TTNplain::~TTNplain(void) { free(buffer); }
+PayloadConvert::~PayloadConvert(void) { free(buffer); }
 
-void TTNplain::reset(void) { cursor = 0; }
+void PayloadConvert::reset(void) { cursor = 0; }
 
-uint8_t TTNplain::getSize(void) { return cursor; }
+uint8_t PayloadConvert::getSize(void) { return cursor; }
 
-uint8_t *TTNplain::getBuffer(void) { return buffer; }
+uint8_t *PayloadConvert::getBuffer(void) { return buffer; }
 
-void TTNplain::addCount(uint16_t value1, uint16_t value2) {
+/* ---------------- plain format without special encoding ---------- */
+
+#if PAYLOAD_ENCODER == 1
+
+void PayloadConvert::addCount(uint16_t value1, uint16_t value2) {
   buffer[cursor++] = value1 >> 8;
   buffer[cursor++] = value1;
   buffer[cursor++] = value2 >> 8;
   buffer[cursor++] = value2;
 }
 
-#ifdef HAS_GPS
+void PayloadConvert::addConfig(configData_t value) {
-void TTNplain::addGPS(gpsStatus_t value) {
-  buffer[cursor++] = value.latitude >> 24;
-  buffer[cursor++] = value.latitude >> 16;
-  buffer[cursor++] = value.latitude >> 8;
-  buffer[cursor++] = value.latitude;
-  buffer[cursor++] = value.longitude >> 24;
-  buffer[cursor++] = value.longitude >> 16;
-  buffer[cursor++] = value.longitude >> 8;
-  buffer[cursor++] = value.longitude;
-  buffer[cursor++] = value.satellites;
-  buffer[cursor++] = value.hdop >> 8;
-  buffer[cursor++] = value.hdop;
-  buffer[cursor++] = value.altitude >> 8;
-  buffer[cursor++] = value.altitude;
-}
-#endif
-
-void TTNplain::addConfig(configData_t value) {
   buffer[cursor++] = value.lorasf;
   buffer[cursor++] = value.txpower;
   buffer[cursor++] = value.adrmode;
@@ -63,7 +47,8 @@ void TTNplain::addConfig(configData_t value) {
   cursor += 10;
 }
 
-void TTNplain::addStatus(uint16_t voltage, uint64_t uptime, float cputemp) {
+void PayloadConvert::addStatus(uint16_t voltage, uint64_t uptime,
+                               float cputemp) {
   buffer[cursor++] = voltage >> 8;
   buffer[cursor++] = voltage;
   buffer[cursor++] = uptime >> 56;
@@ -80,38 +65,40 @@ void TTNplain::addStatus(uint16_t voltage, uint64_t uptime, float cputemp) {
   buffer[cursor++] = (uint32_t)cputemp;
 }
 
+#ifdef HAS_GPS
+void PayloadConvert::addGPS(gpsStatus_t value) {
+  buffer[cursor++] = value.latitude >> 24;
+  buffer[cursor++] = value.latitude >> 16;
+  buffer[cursor++] = value.latitude >> 8;
+  buffer[cursor++] = value.latitude;
+  buffer[cursor++] = value.longitude >> 24;
+  buffer[cursor++] = value.longitude >> 16;
+  buffer[cursor++] = value.longitude >> 8;
+  buffer[cursor++] = value.longitude;
+  buffer[cursor++] = value.satellites;
+  buffer[cursor++] = value.hdop >> 8;
+  buffer[cursor++] = value.hdop;
+  buffer[cursor++] = value.altitude >> 8;
+  buffer[cursor++] = value.altitude;
+}
+#endif
+
+#ifdef HAS_BUTTON
+void PayloadConvert::addButton(uint8_t value) { buffer[cursor++] = value; }
+#endif
+
 /* ---------------- packed format with LoRa serialization Encoder ---------- */
 // derived from
 // https://github.com/thesolarnomad/lora-serialization/blob/master/src/LoraEncoder.cpp
 
-TTNpacked::TTNpacked(uint8_t size) {
+#elif PAYLOAD_ENCODER == 2
-  buffer = (uint8_t *)malloc(size);
-  cursor = 0;
-}
 
-TTNpacked::~TTNpacked(void) { free(buffer); }
+void PayloadConvert::addCount(uint16_t value1, uint16_t value2) {
-
-void TTNpacked::reset(void) { cursor = 0; }
-
-uint8_t TTNpacked::getSize(void) { return cursor; }
-
-uint8_t *TTNpacked::getBuffer(void) { return buffer; }
-
-void TTNpacked::addCount(uint16_t value1, uint16_t value2) {
   writeUint16(value1);
   writeUint16(value2);
 }
 
-#ifdef HAS_GPS
+void PayloadConvert::addConfig(configData_t value) {
-void TTNpacked::addGPS(gpsStatus_t value) {
-  writeLatLng(value.latitude, value.longitude);
-  writeUint8(value.satellites);
-  writeUint16(value.hdop);
-  writeUint16(value.altitude);
-}
-#endif
-
-void TTNpacked::addConfig(configData_t value) {
   writeUint8(value.lorasf);
   writeUint8(value.txpower);
   writeUint16(value.rssilimit);
@@ -125,33 +112,47 @@ void TTNpacked::addConfig(configData_t value) {
               value.vendorfilter ? true : false, value.gpsmode ? true : false);
 }
 
-void TTNpacked::addStatus(uint16_t voltage, uint64_t uptime, float cputemp) {
+void PayloadConvert::addStatus(uint16_t voltage, uint64_t uptime,
+                               float cputemp) {
   writeUint16(voltage);
   writeUptime(uptime);
   writeTemperature(cputemp);
 }
 
-void TTNpacked::intToBytes(uint8_t pos, int32_t i, uint8_t byteSize) {
+#ifdef HAS_GPS
+void PayloadConvert::addGPS(gpsStatus_t value) {
+  writeLatLng(value.latitude, value.longitude);
+  writeUint8(value.satellites);
+  writeUint16(value.hdop);
+  writeUint16(value.altitude);
+}
+#endif
+
+#ifdef HAS_BUTTON
+void PayloadConvert::addButton(uint8_t value) { writeUint8(value); }
+#endif
+
+void PayloadConvert::intToBytes(uint8_t pos, int32_t i, uint8_t byteSize) {
   for (uint8_t x = 0; x < byteSize; x++) {
     buffer[x + pos] = (byte)(i >> (x * 8));
   }
   cursor += byteSize;
 }
 
-void TTNpacked::writeUptime(uint64_t uptime) {
+void PayloadConvert::writeUptime(uint64_t uptime) {
   intToBytes(cursor, uptime, 8);
 }
 
-void TTNpacked::writeLatLng(double latitude, double longitude) {
+void PayloadConvert::writeLatLng(double latitude, double longitude) {
   intToBytes(cursor, latitude, 4);
   intToBytes(cursor, longitude, 4);
 }
 
-void TTNpacked::writeUint16(uint16_t i) { intToBytes(cursor, i, 2); }
+void PayloadConvert::writeUint16(uint16_t i) { intToBytes(cursor, i, 2); }
 
-void TTNpacked::writeUint8(uint8_t i) { intToBytes(cursor, i, 1); }
+void PayloadConvert::writeUint8(uint8_t i) { intToBytes(cursor, i, 1); }
 
-void TTNpacked::writeHumidity(float humidity) {
+void PayloadConvert::writeHumidity(float humidity) {
   int16_t h = (int16_t)(humidity * 100);
   intToBytes(cursor, h, 2);
 }
@@ -160,7 +161,7 @@ void TTNpacked::writeHumidity(float humidity) {
  * Uses a 16bit two's complement with two decimals, so the range is
  * -327.68 to +327.67 degrees
  */
-void TTNpacked::writeTemperature(float temperature) {
+void PayloadConvert::writeTemperature(float temperature) {
   int16_t t = (int16_t)(temperature * 100);
   if (temperature < 0) {
     t = ~-t;
@@ -170,7 +171,7 @@ void TTNpacked::writeTemperature(float temperature) {
   buffer[cursor++] = (byte)t & 0xFF;
 }
 
-void TTNpacked::writeBitmap(bool a, bool b, bool c, bool d, bool e, bool f,
+void PayloadConvert::writeBitmap(bool a, bool b, bool c, bool d, bool e, bool f,
                                  bool g, bool h) {
   uint8_t bitmap = 0;
   // LSB first
@@ -186,37 +187,60 @@ void TTNpacked::writeBitmap(bool a, bool b, bool c, bool d, bool e, bool f,
 }
 
 /* ---------------- Cayenne LPP format ---------- */
+// http://community.mydevices.com/t/cayenne-lpp-2-0/7510
 
-CayenneLPP::CayenneLPP(uint8_t size) {
+#elif (PAYLOAD_ENCODER == 3 || PAYLOAD_ENCODER == 4)
-  buffer = (uint8_t *)malloc(size);
+
-  cursor = 0;
+void PayloadConvert::addCount(uint16_t value1, uint16_t value2) {
+  uint16_t val1 = value1 * 100;
+  uint16_t val2 = value2 * 100;
+#if (PAYLOAD_ENCODER == 3)
+  buffer[cursor++] = LPP_COUNT_WIFI_CHANNEL;
+#endif
+  buffer[cursor++] = LPP_ANALOG_INPUT; // workaround, type meter not found?
+  buffer[cursor++] = val1 >> 8;
+  buffer[cursor++] = val1;
+#if (PAYLOAD_ENCODER == 3)
+  buffer[cursor++] = LPP_COUNT_BLE_CHANNEL;
+#endif
+  buffer[cursor++] = LPP_ANALOG_INPUT; // workaround, type meter not found?
+  buffer[cursor++] = val2 >> 8;
+  buffer[cursor++] = val2;
 }
 
-CayenneLPP::~CayenneLPP(void) { free(buffer); }
+void PayloadConvert::addConfig(configData_t value) {
+#if (PAYLOAD_ENCODER == 3)
+  buffer[cursor++] = LPP_ADR_CHANNEL;
+#endif
+  buffer[cursor++] = LPP_DIGITAL_INPUT;
+  buffer[cursor++] = value.adrmode;
+}
 
-void CayenneLPP::reset(void) { cursor = 0; }
+void PayloadConvert::addStatus(uint16_t voltage, uint64_t uptime,
-
+                               float celsius) {
-uint8_t CayenneLPP::getSize(void) { return cursor; }
+  int16_t val = celsius * 10;
-
+#if (PAYLOAD_ENCODER == 3)
-uint8_t *CayenneLPP::getBuffer(void) { return buffer; }
+  buffer[cursor++] = LPP_BATT_CHANNEL;
-
+#endif
-void CayenneLPP::addCount(uint16_t value1, uint16_t value2) {
+  buffer[cursor++] = LPP_ANALOG_INPUT;
-  buffer[cursor++] = LPP_COUNT_WIFI_CHANNEL;
+  buffer[cursor++] = voltage >> 8;
-  buffer[cursor++] = LPP_ANALOG_INPUT; // workaround, type meter not found?
+  buffer[cursor++] = voltage;
-  buffer[cursor++] = value1 >> 8;
+#if (PAYLOAD_ENCODER == 3)
-  buffer[cursor++] = value1;
+  buffer[cursor++] = LPP_TEMP_CHANNEL;
-  buffer[cursor++] = LPP_COUNT_BLE_CHANNEL;
+#endif
-  buffer[cursor++] = LPP_ANALOG_INPUT; // workaround, type meter not found?
+  buffer[cursor++] = LPP_TEMPERATURE;
-  buffer[cursor++] = value2 >> 8;
+  buffer[cursor++] = (uint16_t)val >> 8;
-  buffer[cursor++] = value2;
+  buffer[cursor++] = (uint16_t)val;
 }
 
 #ifdef HAS_GPS
-void CayenneLPP::addGPS(gpsStatus_t value) {
+void PayloadConvert::addGPS(gpsStatus_t value) {
   int32_t lat = value.latitude / 100;
   int32_t lon = value.longitude / 100;
-  int32_t alt = value.altitude;
+  int32_t alt = value.altitude * 100;
+#if (PAYLOAD_ENCODER == 3)
   buffer[cursor++] = LPP_GPS_CHANNEL;
+#endif
   buffer[cursor++] = LPP_GPS;
   buffer[cursor++] = lat >> 16;
   buffer[cursor++] = lat >> 8;
@@ -230,19 +254,16 @@ void CayenneLPP::addGPS(gpsStatus_t value) {
 }
 #endif
 
-void CayenneLPP::addConfig(configData_t value) {
+#ifdef HAS_BUTTON
-  buffer[cursor++] = LPP_ADR_CHANNEL;
+void PayloadConvert::addButton(uint8_t value) {
+#if (PAYLOAD_ENCODER == 3)
+  buffer[cursor++] = LPP_BUTTON_CHANNEL;
+#endif
   buffer[cursor++] = LPP_DIGITAL_INPUT;
-  buffer[cursor++] = value.adrmode;
+  buffer[cursor++] = value;
 }
+#endif
 
-void CayenneLPP::addStatus(uint16_t voltage, uint64_t uptime, float cputemp) {
+#else
-  buffer[cursor++] = LPP_BATT_CHANNEL;
+#error "No valid payload converter defined"
-  buffer[cursor++] = LPP_ANALOG_INPUT;
+#endif
-  buffer[cursor++] = voltage >> 8;
-  buffer[cursor++] = voltage;
-  buffer[cursor++] = LPP_TEMP_CHANNEL;
-  buffer[cursor++] = LPP_TEMPERATURE;
-  buffer[cursor++] = (uint16_t)cputemp >> 8;
-  buffer[cursor++] = (uint16_t)cputemp;
-}

src/payload.h

@@ -1,13 +1,18 @@
 #ifndef _PAYLOAD_H_
 #define _PAYLOAD_H_
 
-// MyDevices CayenneLPP channels
+// MyDevices CayenneLPP channels for dynamic sensor payload format
+#if (PAYLOAD_ENCODER == 3)
+
 #define LPP_GPS_CHANNEL 20
 #define LPP_COUNT_WIFI_CHANNEL 21
 #define LPP_COUNT_BLE_CHANNEL 22
 #define LPP_BATT_CHANNEL 23
+#define LPP_BUTTON_CHANNEL 24
 #define LPP_ADR_CHANNEL 25
 #define LPP_TEMP_CHANNEL 26
+#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
@@ -16,42 +21,34 @@
 #define LPP_ANALOG_INPUT 2   // 2 bytes, 0.01 signed
 #define LPP_LUMINOSITY 101   // 2 bytes, 1 lux unsigned
 
-class TTNplain {
+class PayloadConvert {
+
 public:
-  TTNplain(uint8_t size);
+  PayloadConvert(uint8_t size);
-  ~TTNplain();
+  ~PayloadConvert();
 
   void reset(void);
   uint8_t getSize(void);
   uint8_t *getBuffer(void);
-
   void addCount(uint16_t value1, uint16_t value2);
   void addConfig(configData_t value);
   void addStatus(uint16_t voltage, uint64_t uptime, float cputemp);
 #ifdef HAS_GPS
   void addGPS(gpsStatus_t value);
 #endif
+#ifdef HAS_BUTTON
+  void addButton(uint8_t value);
+#endif
+
+
+#if PAYLOAD_ENCODER == 1 // format plain
 
 private:
   uint8_t *buffer;
   uint8_t cursor;
 };
 
-class TTNpacked {
+#elif PAYLOAD_ENCODER == 2 // format packed
-public:
-  TTNpacked(uint8_t size);
-  ~TTNpacked();
-
-  void reset(void);
-  uint8_t getSize(void);
-  uint8_t *getBuffer(void);
-
-  void addCount(uint16_t value1, uint16_t value2);
-  void addConfig(configData_t value);
-  void addStatus(uint16_t voltage, uint64_t uptime, float cputemp);
-#ifdef HAS_GPS
-  void addGPS(gpsStatus_t value);
-#endif
 
 private:
   uint8_t *buffer;
@@ -67,21 +64,7 @@ private:
                    bool h);
 };
 
-class CayenneLPP {
+#elif (PAYLOAD_ENCODER == 3 || PAYLOAD_ENCODER == 4) // format cayenne lpp
-public:
-  CayenneLPP(uint8_t size);
-  ~CayenneLPP();
-
-  void reset(void);
-  uint8_t getSize(void);
-  uint8_t *getBuffer(void);
-
-  void addCount(uint16_t value1, uint16_t value2);
-  void addConfig(configData_t value);
-  void addStatus(uint16_t voltage, uint64_t uptime, float cputemp);
-#ifdef HAS_GPS
-  void addGPS(gpsStatus_t value);
-#endif
 
 private:
   uint8_t *buffer;
@@ -89,4 +72,10 @@ private:
   uint8_t cursor;
 };
 
+#else
+#error "No valid payload converter defined"
+#endif
+
+extern PayloadConvert payload;
+
 #endif // _PAYLOAD_H_

src/senddata.cpp

@@ -9,9 +9,10 @@ void senddata(uint8_t port) {
     ESP_LOGI(TAG, "LoRa busy, data not sent");
     sprintf(display_line7, "LORA BUSY");
   } else {
-    // send payload via LoRa
+    LMIC_setTxData2(PAYLOAD_ENCODER == 4 ? CAYENNEPORT : port,
-    LMIC_setTxData2(port, payload.getBuffer(), payload.getSize(),
+                    payload.getBuffer(), payload.getSize(),
                     (cfg.countermode & 0x02));
+
     ESP_LOGI(TAG, "%d bytes queued to send on LoRa", payload.getSize());
     sprintf(display_line7, "PACKET QUEUED");
   }
@@ -23,10 +24,10 @@ void senddata(uint8_t port) {
 #endif
 
   // clear counter if not in cumulative counter mode
-  if ((port == PAYLOADPORT) && (cfg.countermode != 1)) {
+  if ((port == COUNTERPORT) && (cfg.countermode != 1)) {
     reset_counters(); // clear macs container and reset all counters
     reset_salt();     // get new salt for salting hashes
-    ESP_LOGI(TAG, "Counter cleared (countermode = %d)", cfg.countermode);
+    ESP_LOGI(TAG, "Counter cleared");
   }
 
 } // senddata