deep code refactoring

lib/U8g2_ID942-tweaked/src/clib/u8x8_d_ssd1306_128x64_noname.c

@@ -298,7 +298,7 @@ static const u8x8_display_info_t u8x8_ssd1306_128x64_noname_display_info =
   /* sck_pulse_width_ns = */ 50,	/* SSD1306: 20ns, but cycle time is 100ns, so use 100/2, AVR: below 70: 8 MHz, >= 70 --> 4MHz clock */
   /* sck_clock_hz = */ 8000000UL,	/* since Arduino 1.6.0, the SPI bus speed in Hz. Should be  1000000000/sck_pulse_width_ns */
   /* spi_mode = */ 0,		/* active high, rising edge */
-  /* i2c_bus_clock_100kHz = */ 1,
+  /* ==> i2c_bus_clock_100kHz = */ 4,
   /* data_setup_time_ns = */ 40,
   /* write_pulse_width_ns = */ 150,	/* SSD1306: cycle time is 300ns, so use 300/2 = 150 */
   /* tile_width = */ 16,

platformio.ini

@@ -19,24 +19,22 @@ env_default = heltec
 ;env_default = lopy
 ;env_default = lopy4
 ;env_default = fipy
-;env_default = lolin32lite
+;env_default = lolin32litelora
-;env_default = lolin32
+;env_default = lolin32lora
 ;
 description = Paxcounter is a proof-of-concept ESP32 device for metering passenger flows in realtime. It counts how many mobile devices are around.
 
 [common_env_data]
-;platform_espressif32 = espressif32@1.0.2
+platform_espressif32 = espressif32@1.0.2
 ;platform_espressif32 = espressif32@1.1.2
-platform_espressif32 = https://github.com/platformio/platform-espressif32.git#feature/stage
+;platform_espressif32 = https://github.com/platformio/platform-espressif32.git#feature/stage
 board_build.partitions = no_ota.csv
-monitor_speed = 115200
-upload_speed = 921600
 lib_deps_all =
 lib_deps_display =
 ;   U8g2@>=2.23.12
 ; U8g2 library stored local to tweak i2c display speed down to 100khz
-; speed 400khz causes interrupt injection error with espressif32 core v1.1.x
+; speed, because 400khz causes interrupt injection error with espressif32 core v1.1.x
-; will be removed again after bug in espressif32 core is solved
+; will be removed again after bug in espressif32 core v1.1.x is solved
 lib_deps_rgbled =
     SmartLeds@>=1.1.3
 lib_deps_gps =
@@ -88,6 +86,7 @@ platform = ${common_env_data.platform_espressif32}
 framework = arduino
 board = esp32dev
 board_build.partitions = ${common_env_data.board_build.partitions}
+upload_speed = 921600
 monitor_speed = 115200
 lib_deps = 
     ${common_env_data.lib_deps_all}
@@ -100,6 +99,7 @@ platform = ${common_env_data.platform_espressif32}
 framework = arduino
 board = esp32dev
 board_build.partitions = ${common_env_data.board_build.partitions}
+upload_speed = 921600
 monitor_speed = 115200
 lib_deps = 
     ${common_env_data.lib_deps_all}
@@ -112,6 +112,7 @@ platform = ${common_env_data.platform_espressif32}
 framework = arduino
 board = esp32dev
 board_build.partitions = ${common_env_data.board_build.partitions}
+upload_speed = 921600
 monitor_speed = 115200
 lib_deps = 
     ${common_env_data.lib_deps_all}
@@ -124,6 +125,7 @@ platform = ${common_env_data.platform_espressif32}
 framework = arduino
 board = esp32dev
 board_build.partitions = ${common_env_data.board_build.partitions}
+upload_speed = 921600
 monitor_speed = 115200
 lib_deps = 
     ${common_env_data.lib_deps_all}
@@ -136,6 +138,7 @@ platform = ${common_env_data.platform_espressif32}
 framework = arduino
 board = esp32dev
 board_build.partitions = ${common_env_data.board_build.partitions}
+upload_speed = 921600
 monitor_speed = 115200
 lib_deps = 
     ${common_env_data.lib_deps_all}
@@ -149,6 +152,7 @@ platform = ${common_env_data.platform_espressif32}
 framework = arduino
 board = esp32dev
 board_build.partitions = ${common_env_data.board_build.partitions}
+upload_speed = 921600
 monitor_speed = 115200
 lib_deps =
     ${common_env_data.lib_deps_all}
@@ -157,11 +161,12 @@ lib_deps =
 build_flags =
     ${common_env_data.build_flags}
 
-[env:lolin32lite]
+[env:lolin32litelora]
 platform = ${common_env_data.platform_espressif32}
 framework = arduino
 board = lolin32
 board_build.partitions = ${common_env_data.board_build.partitions}
+upload_speed = 921600
 monitor_speed = 115200
 lib_deps = 
     ${common_env_data.lib_deps_all}
@@ -169,11 +174,12 @@ lib_deps =
 build_flags =
     ${common_env_data.build_flags}
 
-[env:lolin32]
+[env:lolin32lora]
 platform = ${common_env_data.platform_espressif32}
 framework = arduino 
 board = lolin32
 board_build.partitions = ${common_env_data.board_build.partitions}
+upload_speed = 921600
 monitor_speed = 115200
 lib_deps = 
     ${common_env_data.lib_deps_all}

src/antenna.h

@@ -0,0 +1,7 @@
+#ifndef antenna_H
+#define antenna_H
+
+void antenna_init(void);
+void antenna_select(const uint8_t _ant);
+
+#endif

src/battery.cpp

@@ -2,12 +2,6 @@
 
 #include "globals.h"
 
-#include <driver/adc.h>
-#include <esp_adc_cal.h>
-
-#define DEFAULT_VREF 1100 // tbd: use adc2_vref_to_gpio() for better estimate
-#define NO_OF_SAMPLES 64  // we do multisampling
-
 // Local logging tag
 static const char TAG[] = "main";
 

src/battery.h

@@ -0,0 +1,12 @@
+#ifndef battery_H
+#define battery_H
+
+#include <driver/adc.h>
+#include <esp_adc_cal.h>
+
+#define DEFAULT_VREF 1100 // tbd: use adc2_vref_to_gpio() for better estimate
+#define NO_OF_SAMPLES 64  // we do multisampling
+
+uint16_t read_voltage(void);
+
+#endif

src/blescan.h

@@ -0,0 +1,7 @@
+#ifndef BLESCAN_H
+#define BLESCAN_H
+
+void start_BLEscan(void);
+void stop_BLEscan(void);
+
+#endif

src/configmanager.cpp

@@ -8,14 +8,8 @@
 static const char TAG[] = "flash";
 
 nvs_handle my_handle;
-
 esp_err_t err;
 
-// defined in antenna.cpp
-#ifdef HAS_ANTENNA_SWITCH
-void antenna_select(const uint8_t _ant);
-#endif
-
 // populate cfg vars with factory settings
 void defaultConfig() {
   cfg.lorasf = LORASFDEFAULT; // 7-12, initial lora sf, see pacounter.conf
@@ -324,7 +318,7 @@ void loadConfig() {
 
     // put actions to be triggered after config loaded here
 
-#ifdef HAS_ANTENNA_SWITCH // set antenna type, if device has one
+#ifdef HAS_ANTENNA_SWITCH // set antenna type
     antenna_select(cfg.wifiant);
 #endif
   }

src/display.cpp

@@ -0,0 +1,158 @@
+#ifdef HAS_DISPLAY
+
+// Basic Config
+#include "globals.h"
+#include <esp_spi_flash.h> // needed for reading ESP32 chip attributes
+
+HAS_DISPLAY u8x8(OLED_RST, OLED_SCL, OLED_SDA);
+
+// helper function, prints a hex key on display
+void DisplayKey(const uint8_t *key, uint8_t len, bool lsb) {
+  const uint8_t *p;
+  for (uint8_t i = 0; i < len; i++) {
+    p = lsb ? key + len - i - 1 : key + i;
+    u8x8.printf("%02X", *p);
+  }
+  u8x8.printf("\n");
+}
+
+// show startup screen
+void init_display(const char *Productname, const char *Version) {
+  uint8_t buf[32];
+  u8x8.begin();
+  u8x8.setFont(u8x8_font_chroma48medium8_r);
+  u8x8.clear();
+  u8x8.setFlipMode(0);
+  u8x8.setInverseFont(1);
+  u8x8.draw2x2String(0, 0, Productname);
+  u8x8.setInverseFont(0);
+  u8x8.draw2x2String(2, 2, Productname);
+  delay(1500);
+  u8x8.clear();
+  u8x8.setFlipMode(1);
+  u8x8.setInverseFont(1);
+  u8x8.draw2x2String(0, 0, Productname);
+  u8x8.setInverseFont(0);
+  u8x8.draw2x2String(2, 2, Productname);
+  delay(1500);
+
+  u8x8.setFlipMode(0);
+  u8x8.clear();
+
+#ifdef DISPLAY_FLIP
+  u8x8.setFlipMode(1);
+#endif
+
+// Display chip information
+#ifdef VERBOSE
+  esp_chip_info_t chip_info;
+  esp_chip_info(&chip_info);
+  u8x8.printf("ESP32 %d cores\nWiFi%s%s\n", chip_info.cores,
+              (chip_info.features & CHIP_FEATURE_BT) ? "/BT" : "",
+              (chip_info.features & CHIP_FEATURE_BLE) ? "/BLE" : "");
+  u8x8.printf("ESP Rev.%d\n", chip_info.revision);
+  u8x8.printf("%dMB %s Flash\n", spi_flash_get_chip_size() / (1024 * 1024),
+              (chip_info.features & CHIP_FEATURE_EMB_FLASH) ? "int." : "ext.");
+#endif // VERBOSE
+
+  u8x8.print(Productname);
+  u8x8.print(" v");
+  u8x8.println(PROGVERSION);
+
+#ifdef HAS_LORA
+  u8x8.println("DEVEUI:");
+  os_getDevEui((u1_t *)buf);
+  DisplayKey(buf, 8, true);
+#endif // HAS_LORA
+
+  delay(5000);
+  u8x8.clear();
+  u8x8.setPowerSave(!cfg.screenon); // set display off if disabled
+  u8x8.draw2x2String(0, 0, "PAX:0");
+#ifdef BLECOUNTER
+  u8x8.setCursor(0, 3);
+  u8x8.printf("BLTH:0");
+#endif
+  u8x8.setCursor(0, 4);
+  u8x8.printf("WIFI:0");
+  u8x8.setCursor(0, 5);
+  u8x8.printf(!cfg.rssilimit ? "RLIM:off " : "RLIM:%d", cfg.rssilimit);
+
+} // init_display
+
+void refreshDisplay() {
+
+  // set display on/off according to current device configuration
+  if (DisplayState != cfg.screenon) {
+    DisplayState = cfg.screenon;
+    u8x8.setPowerSave(!cfg.screenon);
+  }
+
+  // if display is switched off we don't need to refresh it and save time
+  if (!DisplayState)
+    return;
+
+  // update counter (lines 0-1)
+  char buff[16];
+  snprintf(
+      buff, sizeof(buff), "PAX:%-4d",
+      (int)macs.size()); // convert 16-bit MAC counter to decimal counter value
+  u8x8.draw2x2String(0, 0,
+                     buff); // display number on unique macs total Wifi + BLE
+
+  // update GPS status (line 2)
+#ifdef HAS_GPS
+  u8x8.setCursor(7, 2);
+  if (!gps.location.isValid()) // if no fix then display Sats value inverse
+  {
+    u8x8.setInverseFont(1);
+    u8x8.printf("Sats: %.3d", gps.satellites.value());
+    u8x8.setInverseFont(0);
+  } else
+    u8x8.printf("Sats: %.3d", gps.satellites.value());
+#endif
+
+    // update bluetooth counter + LoRa SF (line 3)
+#ifdef BLECOUNTER
+  u8x8.setCursor(0, 3);
+  if (cfg.blescan)
+    u8x8.printf("BLTH:%-4d", macs_ble);
+  else
+    u8x8.printf("%s", "BLTH:off");
+#endif
+
+#ifdef HAS_LORA
+  u8x8.setCursor(11, 3);
+  u8x8.printf("SF:");
+  if (cfg.adrmode) // if ADR=on then display SF value inverse
+    u8x8.setInverseFont(1);
+  u8x8.printf("%c%c", lora_datarate[LMIC.datarate * 2],
+              lora_datarate[LMIC.datarate * 2 + 1]);
+  if (cfg.adrmode) // switch off inverse if it was turned on
+    u8x8.setInverseFont(0);
+#endif // HAS_LORA
+
+  // update wifi counter + channel display (line 4)
+  u8x8.setCursor(0, 4);
+  u8x8.printf("WIFI:%-4d", macs_wifi);
+  u8x8.setCursor(11, 4);
+  u8x8.printf("ch:%02d", channel);
+
+  // update RSSI limiter status & free memory display (line 5)
+  u8x8.setCursor(0, 5);
+  u8x8.printf(!cfg.rssilimit ? "RLIM:off " : "RLIM:%-4d", cfg.rssilimit);
+  u8x8.setCursor(10, 5);
+  u8x8.printf("%4dKB", ESP.getFreeHeap() / 1024);
+
+#ifdef HAS_LORA
+  // update LoRa status display (line 6)
+  u8x8.setCursor(0, 6);
+  u8x8.printf("%-16s", display_line6);
+
+  // update LMiC event display (line 7)
+  u8x8.setCursor(0, 7);
+  u8x8.printf("%-16s", display_line7);
+#endif // HAS_LORA
+} // refreshDisplay()
+
+#endif // HAS_DISPLAY

src/display.h

@@ -0,0 +1,10 @@
+#ifndef DISPLAY_H
+#define DISPLAY_H
+
+#include <U8x8lib.h>
+
+void init_display(const char *Productname, const char *Version);
+void refreshDisplay(void);
+void DisplayKey(const uint8_t *key, uint8_t len, bool lsb);
+
+#endif

src/globals.h

@@ -6,39 +6,27 @@
 #include <array>
 #include <algorithm>
 
-// OLED Display
+// basics
-#ifdef HAS_DISPLAY
-#include <U8x8lib.h>
-#endif
-
-// GPS
-#ifdef HAS_GPS
-#include <TinyGPS++.h>
-#endif
-
-#ifdef HAS_LORA
-// LMIC-Arduino LoRaWAN Stack
-#include <lmic.h>
-#include <hal/hal.h>
-#endif
-
-// LED controls
-#ifdef HAS_RGB_LED
-#include <SmartLeds.h>
-#endif
-
-#include "rgb_led.h"
-#include "macsniff.h"
 #include "main.h"
+#include "led.h"
+#include "macsniff.h"
 #include "payload.h"
 
 extern configData_t cfg;
 extern char display_line6[], display_line7[];
-extern uint64_t uptimecounter;
 extern int countermode, screensaver, adrmode, lorasf, txpower, rlim;
+extern uint8_t channel, DisplayState;
 extern uint16_t macs_total, macs_wifi, macs_ble; // MAC counters
+extern uint64_t uptimecounter;
 extern std::set<uint16_t> macs;
 extern hw_timer_t *channelSwitch, *sendCycle;
+extern portMUX_TYPE timerMux;
+
+#if defined(CFG_eu868)
+const char lora_datarate[] = {"1211100908077BFSNA"};
+#elif defined(CFG_us915)
+const char lora_datarate[] = {"100908078CNA121110090807"};
+#endif
 
 #ifdef HAS_GPS
 extern gpsStatus_t gps_status; // struct for storing gps data

src/gps.h

@@ -0,0 +1,9 @@
+#ifndef gps_H
+#define gps_H
+
+#include <TinyGPS++.h>
+
+void gps_read(void);
+void gps_loop(void *pvParameters);
+
+#endif

src/hal/lolin32litelora.h

@@ -1,4 +1,4 @@
-// Hardware related definitions for lolin32 lite loraNode32 shield
+// Hardware related definitions for lolin32 lite with loraNode32 shield
 // See https://github.com/hallard/LoLin32-Lite-Lora
 
 // disable brownout detection (avoid unexpected reset on some boards)

src/hal/lolin32lora.h

@@ -1,4 +1,4 @@
-// Hardware related definitions for lolin32 loraNode32 shield
+// Hardware related definitions for lolin32 with loraNode32 shield
 // See https://github.com/hallard/LoLin32-Lora
 
 // disable brownout detection (avoid unexpected reset on some boards)

src/hal/lopy4.h

@@ -15,7 +15,7 @@
 #define RST   LMIC_UNUSED_PIN
 #define DIO0  GPIO_NUM_23 // LoRa IRQ
 #define DIO1  GPIO_NUM_23 // Pin tied via diode to DIO0
-#define DIO1  GPIO_NUM_23 // Pin tied via diode to DIO0
+#define DIO2  GPIO_NUM_23 // Pin tied via diode to DIO0
 
 // select WIFI antenna (internal = onboard / external = u.fl socket)
 #define HAS_ANTENNA_SWITCH  21      // pin for switching wifi antenna

src/hash.h

@@ -0,0 +1,6 @@
+#ifndef hash_H
+#define hash_H
+
+uint32_t rokkit(const char *data, int len);
+
+#endif

src/led.cpp

@@ -0,0 +1,161 @@
+// Basic Config
+#include "globals.h"
+
+led_states LEDState = LED_OFF; // LED state global for state machine
+led_states previousLEDState =
+    LED_ON; // This will force LED to be off at boot since State is OFF
+
+uint16_t LEDColor = COLOR_NONE, LEDBlinkDuration = 0; // state machine variables
+unsigned long LEDBlinkStarted = 0; // When (in millis() led blink started)
+
+#ifdef HAS_RGB_LED
+
+// RGB Led instance
+SmartLed rgb_led(LED_WS2812, 1, HAS_RGB_LED);
+
+float rgb_CalcColor(float p, float q, float t) {
+  if (t < 0.0f)
+    t += 1.0f;
+  if (t > 1.0f)
+    t -= 1.0f;
+
+  if (t < 1.0f / 6.0f)
+    return p + (q - p) * 6.0f * t;
+
+  if (t < 0.5f)
+    return q;
+
+  if (t < 2.0f / 3.0f)
+    return p + ((q - p) * (2.0f / 3.0f - t) * 6.0f);
+
+  return p;
+}
+
+// ------------------------------------------------------------------------
+// Hue, Saturation, Lightness color members
+// HslColor using H, S, L values (0.0 - 1.0)
+// L should be limited to between (0.0 - 0.5)
+// ------------------------------------------------------------------------
+RGBColor rgb_hsl2rgb(float h, float s, float l) {
+  RGBColor RGB_color;
+  float r;
+  float g;
+  float b;
+
+  if (s == 0.0f || l == 0.0f) {
+    r = g = b = l; // achromatic or black
+  } else {
+    float q = l < 0.5f ? l * (1.0f + s) : l + s - (l * s);
+    float p = 2.0f * l - q;
+    r = rgb_CalcColor(p, q, h + 1.0f / 3.0f);
+    g = rgb_CalcColor(p, q, h);
+    b = rgb_CalcColor(p, q, h - 1.0f / 3.0f);
+  }
+
+  RGB_color.R = (uint8_t)(r * 255.0f);
+  RGB_color.G = (uint8_t)(g * 255.0f);
+  RGB_color.B = (uint8_t)(b * 255.0f);
+
+  return RGB_color;
+}
+
+void rgb_set_color(uint16_t hue) {
+  if (hue == COLOR_NONE) {
+    // Off
+    rgb_led[0] = Rgb(0, 0, 0);
+  } else {
+    // see http://www.workwithcolor.com/blue-color-hue-range-01.htm
+    // H (is color from 0..360) should be between 0.0 and 1.0
+    // S is saturation keep it to 1
+    // L is brightness should be between 0.0 and 0.5
+    // cfg.rgblum is between 0 and 100 (percent)
+    RGBColor target = rgb_hsl2rgb(hue / 360.0f, 1.0f, 0.005f * cfg.rgblum);
+    // uint32_t color = target.R<<16 | target.G<<8 | target.B;
+    rgb_led[0] = Rgb(target.R, target.G, target.B);
+  }
+  // Show
+  rgb_led.show();
+}
+
+#else
+
+// No RGB LED empty functions
+void rgb_set_color(uint16_t hue) {}
+
+#endif
+
+#if (HAS_LED != NOT_A_PIN) || defined(HAS_RGB_LED)
+
+void blink_LED(uint16_t set_color, uint16_t set_blinkduration) {
+  LEDColor = set_color;                 // set color for RGB LED
+  LEDBlinkDuration = set_blinkduration; // duration
+  LEDBlinkStarted = millis();           // Time Start here
+  LEDState = LED_ON;                    // Let main set LED on
+}
+
+void led_loop() {
+  // Custom blink running always have priority other LoRaWAN led management
+  if (LEDBlinkStarted && LEDBlinkDuration) {
+    // Custom blink is finished, let this order, avoid millis() overflow
+    if ((millis() - LEDBlinkStarted) >= LEDBlinkDuration) {
+      // Led becomes off, and stop blink
+      LEDState = LED_OFF;
+      LEDBlinkStarted = 0;
+      LEDBlinkDuration = 0;
+      LEDColor = COLOR_NONE;
+    } else {
+      // In case of LoRaWAN led management blinked off
+      LEDState = LED_ON;
+    }
+    // No custom blink, check LoRaWAN state
+  } else {
+
+#ifdef HAS_LORA
+    // LED indicators for viusalizing LoRaWAN state
+    if (LMIC.opmode & (OP_JOINING | OP_REJOIN)) {
+      LEDColor = COLOR_YELLOW;
+      // quick blink 20ms on each 1/5 second
+      LEDState = ((millis() % 200) < 20) ? LED_ON : LED_OFF; // TX data pending
+    } else if (LMIC.opmode & (OP_TXDATA | OP_TXRXPEND)) {
+      LEDColor = COLOR_BLUE;
+      // small blink 10ms on each 1/2sec (not when joining)
+      LEDState = ((millis() % 500) < 10) ? LED_ON : LED_OFF;
+      // This should not happen so indicate a problem
+    } else if (LMIC.opmode &
+               ((OP_TXDATA | OP_TXRXPEND | OP_JOINING | OP_REJOIN) == 0)) {
+      LEDColor = COLOR_RED;
+      // heartbeat long blink 200ms on each 2 seconds
+      LEDState = ((millis() % 2000) < 200) ? LED_ON : LED_OFF;
+    } else
+#endif // HAS_LORA
+    {
+      // led off
+      LEDColor = COLOR_NONE;
+      LEDState = LED_OFF;
+    }
+  }
+  // led need to change state? avoid digitalWrite() for nothing
+  if (LEDState != previousLEDState) {
+    if (LEDState == LED_ON) {
+      rgb_set_color(LEDColor);
+
+#ifdef LED_ACTIVE_LOW
+      digitalWrite(HAS_LED, LOW);
+#else
+      digitalWrite(HAS_LED, HIGH);
+#endif
+
+    } else {
+      rgb_set_color(COLOR_NONE);
+
+#ifdef LED_ACTIVE_LOW
+      digitalWrite(HAS_LED, HIGH);
+#else
+      digitalWrite(HAS_LED, LOW);
+#endif
+    }
+    previousLEDState = LEDState;
+  }
+}; // led_loop()
+
+#endif // #if (HAS_LED != NOT_A_PIN) || defined(HAS_RGB_LED)

src/led.h

@@ -1,5 +1,9 @@
 
-#pragma once
+//#pragma once
+
+#ifdef HAS_RGB_LED
+#include <SmartLeds.h>
+#endif
 
 // value for HSL color
 // see http://www.workwithcolor.com/blue-color-hue-range-01.htm
@@ -25,5 +29,9 @@ struct RGBColor {
   uint8_t B;
 };
 
+enum led_states { LED_OFF, LED_ON };
+
 // Exported Functions
 void rgb_set_color(uint16_t hue);
+void blink_LED(uint16_t set_color, uint16_t set_blinkduration);
+void led_loop();

src/lorawan.cpp

@@ -2,11 +2,7 @@
 
 // Basic Config
 #include "globals.h"
-
+#include "rcommand.h"
-// LMIC-Arduino LoRaWAN Stack
-#include "loraconf.h"
-#include <lmic.h>
-#include <hal/hal.h>
 
 #ifdef MCP_24AA02E64_I2C_ADDRESS
 #include <Wire.h> // Needed for 24AA02E64, does not hurt anything if included and not used
@@ -15,10 +11,6 @@
 // Local logging Tag
 static const char TAG[] = "lora";
 
-// functions defined in rcommand.cpp
-void rcommand(uint8_t cmd, uint8_t arg);
-void switch_lora(uint8_t sf, uint8_t tx);
-
 // DevEUI generator using devices's MAC address
 void gen_lora_deveui(uint8_t *pdeveui) {
   uint8_t *p = pdeveui, dmac[6];
@@ -46,6 +38,33 @@ void RevBytes(unsigned char *b, size_t c) {
   }
 }
 
+// LMIC callback functions
+void os_getDevKey(u1_t *buf) { memcpy(buf, APPKEY, 16); }
+
+void os_getArtEui(u1_t *buf) {
+  memcpy(buf, APPEUI, 8);
+  RevBytes(buf, 8); // TTN requires it in LSB First order, so we swap bytes
+}
+
+void os_getDevEui(u1_t *buf) {
+  int i = 0, k = 0;
+  memcpy(buf, DEVEUI, 8); // get fixed DEVEUI from loraconf.h
+  for (i = 0; i < 8; i++) {
+    k += buf[i];
+  }
+  if (k) {
+    RevBytes(buf, 8); // use fixed DEVEUI and swap bytes to LSB format
+  } else {
+    gen_lora_deveui(buf); // generate DEVEUI from device's MAC
+  }
+
+// Get MCP 24AA02E64 hardware DEVEUI (override default settings if found)
+#ifdef MCP_24AA02E64_I2C_ADDRESS
+  get_hard_deveui(buf);
+  RevBytes(buf, 8); // swap bytes to LSB format
+#endif
+}
+
 void get_hard_deveui(uint8_t *pdeveui) {
   // read DEVEUI from Microchip 24AA02E64 2Kb serial eeprom if present
 #ifdef MCP_24AA02E64_I2C_ADDRESS

src/lorawan.h

@@ -1,13 +1,17 @@
-#ifdef HAS_LORA
-
 #ifndef LORAWAN_H
 #define LORAWAN_H
 
+// LMIC-Arduino LoRaWAN Stack
+#include <lmic.h>
+#include <hal/hal.h>
+#include "loraconf.h"
+
 void onEvent(ev_t ev);
 void gen_lora_deveui(uint8_t *pdeveui);
 void RevBytes(unsigned char *b, size_t c);
 void get_hard_deveui(uint8_t *pdeveui);
+void os_getDevKey(u1_t *buf);
+void os_getArtEui(u1_t *buf);
+void os_getDevEui(u1_t *buf);
 
 #endif
-
-#endif // HAS_LORA

src/macsniff.cpp

@@ -9,9 +9,14 @@
 // Local logging tag
 static const char TAG[] = "wifi";
 
+/* change for future Espressif v1.1.x
 static wifi_country_t wifi_country = {WIFI_MY_COUNTRY, WIFI_CHANNEL_MIN,
                                       WIFI_CHANNEL_MAX, 0,
                                       WIFI_COUNTRY_POLICY_MANUAL};
+*/
+
+static wifi_country_t wifi_country = {WIFI_MY_COUNTRY, WIFI_CHANNEL_MIN,
+                                      WIFI_CHANNEL_MAX, WIFI_COUNTRY_POLICY_MANUAL};
 
 // globals
 uint16_t salt;

src/macsniff.h

@@ -4,6 +4,8 @@
 // ESP32 Functions
 #include <esp_wifi.h>
 
+#include "hash.h"
+
 #define MAC_SNIFF_WIFI 0
 #define MAC_SNIFF_BLE 1
 

src/main.cpp

@@ -25,21 +25,6 @@ licenses. Refer to LICENSE.txt file in repository for more details.
 // Basic Config
 #include "globals.h"
 
-// Does nothing and avoid any compilation error with I2C
-#include <Wire.h>
-
-#ifdef HAS_LORA
-// LMIC-Arduino LoRaWAN Stack
-#include "loraconf.h"
-#include <hal/hal.h>
-#include <lmic.h>
-#endif
-
-// ESP32 lib Functions
-#include <esp32-hal-log.h>  // needed for ESP_LOGx on arduino framework
-#include <esp_event_loop.h> // needed for Wifi event handler
-#include <esp_spi_flash.h>  // needed for reading ESP32 chip attributes
-
 // Initialize global variables
 configData_t cfg; // struct holds current device configuration
 char display_line6[16], display_line7[16]; // display buffers
@@ -48,12 +33,6 @@ uint8_t DisplayState = 0;                  // globals for state machine
 uint16_t macs_total = 0, macs_wifi = 0,
          macs_ble = 0; // MAC counters globals for display
 uint8_t channel = 0;   // wifi channel rotation counter global for display
-led_states LEDState = LED_OFF; // LED state global for state machine
-led_states previousLEDState =
-    LED_ON; // This will force LED to be off at boot since State is OFF
-unsigned long LEDBlinkStarted = 0; // When (in millis() led blink started)
-uint16_t LEDBlinkDuration = 0;     // How long the blink need to be
-uint16_t LEDColor = COLOR_NONE; // state machine variable to set RGB LED color
 hw_timer_t *channelSwitch = NULL, *displaytimer = NULL,
            *sendCycle = NULL; // configure hardware timer for cyclic tasks
 
@@ -62,6 +41,10 @@ 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;
+
 portMUX_TYPE timerMux =
     portMUX_INITIALIZER_UNLOCKED; // sync main loop and ISR when modifying IRQ
                                   // handler shared variables
@@ -80,10 +63,6 @@ CayenneLPP payload(PAYLOAD_BUFFER_SIZE);
 #error "No valid payload converter defined"
 #endif
 
-// this variables will be changed in the ISR, and read in main loop
-static volatile int ButtonPressedIRQ = 0, DisplayTimerIRQ = 0,
-                    ChannelTimerIRQ = 0, SendCycleTimerIRQ = 0;
-
 // local Tag for logging
 static const char TAG[] = "main";
 
@@ -106,37 +85,6 @@ void reset_counters() {
 
 #ifdef HAS_LORA
 
-#ifdef VERBOSE
-void printKeys(void);
-#endif // VERBOSE
-
-// LMIC callback functions
-void os_getDevKey(u1_t *buf) { memcpy(buf, APPKEY, 16); }
-
-void os_getArtEui(u1_t *buf) {
-  memcpy(buf, APPEUI, 8);
-  RevBytes(buf, 8); // TTN requires it in LSB First order, so we swap bytes
-}
-
-void os_getDevEui(u1_t *buf) {
-  int i = 0, k = 0;
-  memcpy(buf, DEVEUI, 8); // get fixed DEVEUI from loraconf.h
-  for (i = 0; i < 8; i++) {
-    k += buf[i];
-  }
-  if (k) {
-    RevBytes(buf, 8); // use fixed DEVEUI and swap bytes to LSB format
-  } else {
-    gen_lora_deveui(buf); // generate DEVEUI from device's MAC
-  }
-
-// Get MCP 24AA02E64 hardware DEVEUI (override default settings if found)
-#ifdef MCP_24AA02E64_I2C_ADDRESS
-  get_hard_deveui(buf);
-  RevBytes(buf, 8); // swap bytes to LSB format
-#endif
-}
-
 // LMIC enhanced Pin mapping
 const lmic_pinmap lmic_pins = {.mosi = PIN_SPI_MOSI,
                                .miso = PIN_SPI_MISO,
@@ -146,6 +94,16 @@ const lmic_pinmap lmic_pins = {.mosi = PIN_SPI_MOSI,
                                .rst = RST,
                                .dio = {DIO0, DIO1, DIO2}};
 
+#ifdef VERBOSE
+void printKeys(void);
+#endif // VERBOSE
+
+// Get MCP 24AA02E64 hardware DEVEUI (override default settings if found)
+#ifdef MCP_24AA02E64_I2C_ADDRESS
+get_hard_deveui(buf);
+RevBytes(buf, 8); // swap bytes to LSB format
+#endif
+
 // LMIC FreeRTos Task
 void lorawan_loop(void *pvParameters) {
 
@@ -165,56 +123,62 @@ void lorawan_loop(void *pvParameters) {
 /* beginn hardware specific parts
  * -------------------------------------------------------- */
 
-#ifdef HAS_DISPLAY
+// Setup IRQ handler routines for button, channel rotation, send cycle´, display
-
+// attention, enable cache:
-HAS_DISPLAY u8x8(OLED_RST, OLED_SCL, OLED_SDA);
-
-// Display Refresh IRQ
-void IRAM_ATTR DisplayIRQ() {
-  portENTER_CRITICAL_ISR(&timerMux);
-  DisplayTimerIRQ++;
-  portEXIT_CRITICAL_ISR(&timerMux);
-}
-#endif
-
-#ifdef HAS_ANTENNA_SWITCH
-// defined in antenna.cpp
-void antenna_init();
-void antenna_select(const uint8_t _ant);
-#endif
-
-#ifndef BLECOUNTER
-bool btstop = btStop();
-#endif
-
-// Button IRQ Handler Routine, IRAM_ATTR necessary here, see
 // https://github.com/espressif/arduino-esp32/issues/855
-#ifdef HAS_BUTTON
-void IRAM_ATTR ButtonIRQ() { ButtonPressedIRQ++; }
-#endif
 
-// Wifi Channel Rotation Timer IRQ Handler Routine
 void IRAM_ATTR ChannelSwitchIRQ() {
   portENTER_CRITICAL(&timerMux);
   ChannelTimerIRQ++;
   portEXIT_CRITICAL(&timerMux);
 }
 
-// Send Cycle Timer IRQ Handler Routine
 void IRAM_ATTR SendCycleIRQ() {
   portENTER_CRITICAL(&timerMux);
   SendCycleTimerIRQ++;
   portEXIT_CRITICAL(&timerMux);
 }
 
+#ifdef HAS_DISPLAY
+void IRAM_ATTR DisplayIRQ() {
+  portENTER_CRITICAL_ISR(&timerMux);
+  DisplayTimerIRQ++;
+  portEXIT_CRITICAL_ISR(&timerMux);
+}
+
+void updateDisplay() {
+  // refresh display according to refresh cycle setting
+  if (DisplayTimerIRQ) {
+    portENTER_CRITICAL(&timerMux);
+    DisplayTimerIRQ = 0;
+    portEXIT_CRITICAL(&timerMux);
+    refreshDisplay();
+  }
+}
+
+#endif
+
+#ifdef HAS_BUTTON
+void IRAM_ATTR ButtonIRQ() { ButtonPressedIRQ++; }
+
+void readButton() {
+  if (ButtonPressedIRQ) {
+    portENTER_CRITICAL(&timerMux);
+    ButtonPressedIRQ = 0;
+    portEXIT_CRITICAL(&timerMux);
+    ESP_LOGI(TAG, "Button pressed");
+    ESP_LOGI(TAG, "Button pressed, resetting device to factory defaults");
+    eraseConfig();
+    esp_restart();
+  }
+}
+#endif
+
 /* end hardware specific parts
  * -------------------------------------------------------- */
 
-/* begin wifi specific parts
+// Wifi channel rotation task
- * ---------------------------------------------------------- */
+void wifi_channel_loop(void *pvParameters) {
-
-// Sniffer Task
-void sniffer_loop(void *pvParameters) {
 
   configASSERT(((uint32_t)pvParameters) == 1); // FreeRTOS check
 
@@ -235,9 +199,6 @@ void sniffer_loop(void *pvParameters) {
   } // end of infinite wifi channel rotation loop
 }
 
-/* end wifi specific parts
- * ------------------------------------------------------------ */
-
 // uptime counter 64bit to prevent millis() rollover after 49 days
 uint64_t uptime() {
   static uint32_t low32, high32;
@@ -248,245 +209,7 @@ uint64_t uptime() {
   return (uint64_t)high32 << 32 | low32;
 }
 
-#ifdef HAS_DISPLAY
+void sendPayload() {
-
-#ifdef HAS_LORA
-// Print a key on display
-void DisplayKey(const uint8_t *key, uint8_t len, bool lsb) {
-  const uint8_t *p;
-  for (uint8_t i = 0; i < len; i++) {
-    p = lsb ? key + len - i - 1 : key + i;
-    u8x8.printf("%02X", *p);
-  }
-  u8x8.printf("\n");
-}
-#endif // HAS_LORA
-
-void init_display(const char *Productname, const char *Version) {
-  uint8_t buf[32];
-  u8x8.begin();
-  u8x8.setFont(u8x8_font_chroma48medium8_r);
-  u8x8.clear();
-  u8x8.setFlipMode(0);
-  u8x8.setInverseFont(1);
-  u8x8.draw2x2String(0, 0, Productname);
-  u8x8.setInverseFont(0);
-  u8x8.draw2x2String(2, 2, Productname);
-  delay(1500);
-  u8x8.clear();
-  u8x8.setFlipMode(1);
-  u8x8.setInverseFont(1);
-  u8x8.draw2x2String(0, 0, Productname);
-  u8x8.setInverseFont(0);
-  u8x8.draw2x2String(2, 2, Productname);
-  delay(1500);
-
-  u8x8.setFlipMode(0);
-  u8x8.clear();
-
-#ifdef DISPLAY_FLIP
-  u8x8.setFlipMode(1);
-#endif
-
-// Display chip information
-#ifdef VERBOSE
-  esp_chip_info_t chip_info;
-  esp_chip_info(&chip_info);
-  u8x8.printf("ESP32 %d cores\nWiFi%s%s\n", chip_info.cores,
-              (chip_info.features & CHIP_FEATURE_BT) ? "/BT" : "",
-              (chip_info.features & CHIP_FEATURE_BLE) ? "/BLE" : "");
-  u8x8.printf("ESP Rev.%d\n", chip_info.revision);
-  u8x8.printf("%dMB %s Flash\n", spi_flash_get_chip_size() / (1024 * 1024),
-              (chip_info.features & CHIP_FEATURE_EMB_FLASH) ? "int." : "ext.");
-#endif // VERBOSE
-
-  u8x8.print(Productname);
-  u8x8.print(" v");
-  u8x8.println(PROGVERSION);
-
-#ifdef HAS_LORA
-  u8x8.println("DEVEUI:");
-  os_getDevEui((u1_t *)buf);
-  DisplayKey(buf, 8, true);
-#endif // HAS_LORA
-
-  delay(5000);
-  u8x8.clear();
-}
-
-void refreshDisplay() {
-  // update counter (lines 0-1)
-  char buff[16];
-  snprintf(
-      buff, sizeof(buff), "PAX:%-4d",
-      (int)macs.size()); // convert 16-bit MAC counter to decimal counter value
-  u8x8.draw2x2String(0, 0,
-                     buff); // display number on unique macs total Wifi + BLE
-
-  // update GPS status (line 2)
-#ifdef HAS_GPS
-  u8x8.setCursor(7, 2);
-  if (!gps.location.isValid()) // if no fix then display Sats value inverse
-  {
-    u8x8.setInverseFont(1);
-    u8x8.printf("Sats: %.3d", gps.satellites.value());
-    u8x8.setInverseFont(0);
-  } else
-    u8x8.printf("Sats: %.3d", gps.satellites.value());
-#endif
-
-    // update bluetooth counter + LoRa SF (line 3)
-#ifdef BLECOUNTER
-  u8x8.setCursor(0, 3);
-  if (cfg.blescan)
-    u8x8.printf("BLTH:%-4d", macs_ble);
-  else
-    u8x8.printf("%s", "BLTH:off");
-#endif
-
-#ifdef HAS_LORA
-  u8x8.setCursor(11, 3);
-  u8x8.printf("SF:");
-  if (cfg.adrmode) // if ADR=on then display SF value inverse
-    u8x8.setInverseFont(1);
-  u8x8.printf("%c%c", lora_datarate[LMIC.datarate * 2],
-              lora_datarate[LMIC.datarate * 2 + 1]);
-  if (cfg.adrmode) // switch off inverse if it was turned on
-    u8x8.setInverseFont(0);
-#endif // HAS_LORA
-
-  // update wifi counter + channel display (line 4)
-  u8x8.setCursor(0, 4);
-  u8x8.printf("WIFI:%-4d", macs_wifi);
-  u8x8.setCursor(11, 4);
-  u8x8.printf("ch:%02d", channel);
-
-  // update RSSI limiter status & free memory display (line 5)
-  u8x8.setCursor(0, 5);
-  u8x8.printf(!cfg.rssilimit ? "RLIM:off " : "RLIM:%-4d", cfg.rssilimit);
-  u8x8.setCursor(10, 5);
-  u8x8.printf("%4dKB", ESP.getFreeHeap() / 1024);
-
-#ifdef HAS_LORA
-  // update LoRa status display (line 6)
-  u8x8.setCursor(0, 6);
-  u8x8.printf("%-16s", display_line6);
-
-  // update LMiC event display (line 7)
-  u8x8.setCursor(0, 7);
-  u8x8.printf("%-16s", display_line7);
-#endif // HAS_LORA
-}
-
-void updateDisplay() {
-  // refresh display according to refresh cycle setting
-  if (DisplayTimerIRQ) {
-    portENTER_CRITICAL(&timerMux);
-    DisplayTimerIRQ = 0;
-    portEXIT_CRITICAL(&timerMux);
-
-    refreshDisplay();
-
-    // set display on/off according to current device configuration
-    if (DisplayState != cfg.screenon) {
-      DisplayState = cfg.screenon;
-      u8x8.setPowerSave(!cfg.screenon);
-    }
-  }
-} // updateDisplay()
-#endif // HAS_DISPLAY
-
-#ifdef HAS_BUTTON
-void readButton() {
-  if (ButtonPressedIRQ) {
-    portENTER_CRITICAL(&timerMux);
-    ButtonPressedIRQ = 0;
-    portEXIT_CRITICAL(&timerMux);
-    ESP_LOGI(TAG, "Button pressed");
-    ESP_LOGI(TAG, "Button pressed, resetting device to factory defaults");
-    eraseConfig();
-    esp_restart();
-  }
-}
-#endif
-
-#if (HAS_LED != NOT_A_PIN) || defined(HAS_RGB_LED)
-
-void blink_LED(uint16_t set_color, uint16_t set_blinkduration) {
-  LEDColor = set_color;                 // set color for RGB LED
-  LEDBlinkDuration = set_blinkduration; // duration
-  LEDBlinkStarted = millis();           // Time Start here
-  LEDState = LED_ON;                    // Let main set LED on
-}
-
-void led_loop() {
-  // Custom blink running always have priority other LoRaWAN led management
-  if (LEDBlinkStarted && LEDBlinkDuration) {
-    // Custom blink is finished, let this order, avoid millis() overflow
-    if ((millis() - LEDBlinkStarted) >= LEDBlinkDuration) {
-      // Led becomes off, and stop blink
-      LEDState = LED_OFF;
-      LEDBlinkStarted = 0;
-      LEDBlinkDuration = 0;
-      LEDColor = COLOR_NONE;
-    } else {
-      // In case of LoRaWAN led management blinked off
-      LEDState = LED_ON;
-    }
-    // No custom blink, check LoRaWAN state
-  } else {
-
-#ifdef HAS_LORA
-    // LED indicators for viusalizing LoRaWAN state
-    if (LMIC.opmode & (OP_JOINING | OP_REJOIN)) {
-      LEDColor = COLOR_YELLOW;
-      // quick blink 20ms on each 1/5 second
-      LEDState = ((millis() % 200) < 20) ? LED_ON : LED_OFF; // TX data pending
-    } else if (LMIC.opmode & (OP_TXDATA | OP_TXRXPEND)) {
-      LEDColor = COLOR_BLUE;
-      // small blink 10ms on each 1/2sec (not when joining)
-      LEDState = ((millis() % 500) < 10) ? LED_ON : LED_OFF;
-      // This should not happen so indicate a problem
-    } else if (LMIC.opmode &
-               ((OP_TXDATA | OP_TXRXPEND | OP_JOINING | OP_REJOIN) == 0)) {
-      LEDColor = COLOR_RED;
-      // heartbeat long blink 200ms on each 2 seconds
-      LEDState = ((millis() % 2000) < 200) ? LED_ON : LED_OFF;
-    } else
-#endif // HAS_LORA
-    {
-      // led off
-      LEDColor = COLOR_NONE;
-      LEDState = LED_OFF;
-    }
-  }
-  // led need to change state? avoid digitalWrite() for nothing
-  if (LEDState != previousLEDState) {
-    if (LEDState == LED_ON) {
-      rgb_set_color(LEDColor);
-
-#ifdef LED_ACTIVE_LOW
-      digitalWrite(HAS_LED, LOW);
-#else
-      digitalWrite(HAS_LED, HIGH);
-#endif
-
-    } else {
-      rgb_set_color(COLOR_NONE);
-
-#ifdef LED_ACTIVE_LOW
-      digitalWrite(HAS_LED, HIGH);
-#else
-      digitalWrite(HAS_LED, LOW);
-#endif
-    }
-    previousLEDState = LEDState;
-  }
-}; // led_loop()
-
-#endif // #if (HAS_LED != NOT_A_PIN) || defined(HAS_RGB_LED)
-
-void updatePayload() {
 
   if (SendCycleTimerIRQ) {
     portENTER_CRITICAL(&timerMux);
@@ -521,7 +244,7 @@ void updatePayload() {
 
     senddata(PAYLOADPORT);
   }
-} // updatePayload()
+} // sendPayload()
 
 /* begin Aruino SETUP
  * ------------------------------------------------------------ */
@@ -607,6 +330,14 @@ void setup() {
 #ifdef HAS_ANTENNA_SWITCH
   strcat_P(features, " ANT");
   antenna_init();
+  antenna_select(cfg.wifiant);
+#endif
+
+// switch off bluetooth on esp32 module, if not compiled
+#ifdef BLECOUNTER
+  strcat_P(features, " BLE");
+#else
+  bool btstop = btStop();
 #endif
 
 // initialize gps if present
@@ -614,28 +345,13 @@ void setup() {
   strcat_P(features, " GPS");
 #endif
 
+// initialize display if present
 #ifdef HAS_DISPLAY
   strcat_P(features, " OLED");
-  // initialize display
-  init_display(PROGNAME, PROGVERSION);
   DisplayState = cfg.screenon;
-  u8x8.setPowerSave(!cfg.screenon); // set display off if disabled
+  init_display(PROGNAME, PROGVERSION);
-  u8x8.draw2x2String(0, 0, "PAX:0");
-#ifdef BLECOUNTER
-  u8x8.setCursor(0, 3);
-  u8x8.printf("BLTH:0");
-#endif
-  u8x8.setCursor(0, 4);
-  u8x8.printf("WIFI:0");
-  u8x8.setCursor(0, 5);
-  u8x8.printf(!cfg.rssilimit ? "RLIM:off " : "RLIM:%d", cfg.rssilimit);
 
-#ifdef HAS_LORA
+  // setup display refresh trigger IRQ using esp32 hardware timer
-  sprintf(display_line6, "Join wait");
-#endif // HAS_LORA
-
-  // setup display refresh trigger IRQ using esp32 hardware timer 0
-  // for explanation see
   // https://techtutorialsx.com/2017/10/07/esp32-arduino-timer-interrupts/
   displaytimer = timerBegin(0, 80, true); // prescaler 80 -> divides 80 MHz CPU
                                           // freq to 1 MHz, timer 0, count up
@@ -693,10 +409,28 @@ void setup() {
   // https://techtutorialsx.com/2017/05/09/esp32-get-task-execution-core/
 
   ESP_LOGI(TAG, "Starting Lora task on core 1");
-  xTaskCreatePinnedToCore(lorawan_loop, "loratask", 2048, (void *)1,
+  xTaskCreatePinnedToCore(lorawan_loop, "loraloop", 2048, (void *)1,
                           (5 | portPRIVILEGE_BIT), NULL, 1);
 #endif
 
+// if device has GPS and it is enabled, start GPS reader task on core 0 with
+// higher priority than wifi channel rotation task since we process serial
+// streaming NMEA data
+#ifdef HAS_GPS
+  if (cfg.gpsmode) {
+    ESP_LOGI(TAG, "Starting GPS task on core 0");
+    xTaskCreatePinnedToCore(gps_loop, "gpsloop", 2048, (void *)1, 2, NULL, 0);
+  }
+#endif
+
+// start BLE scan callback if BLE function is enabled in NVRAM configuration
+#ifdef BLECOUNTER
+  if (cfg.blescan) {
+    ESP_LOGI(TAG, "Starting BLE task on core 1");
+    start_BLEscan();
+  }
+#endif
+
   // start wifi in monitor mode and start channel rotation task on core 0
   ESP_LOGI(TAG, "Starting Wifi task on core 0");
   wifi_sniffer_init();
@@ -704,26 +438,9 @@ void setup() {
   // arduino-esp32 core note: do this *after* wifi has started, since function
   // gets it's seed from RF noise
   reset_salt(); // get new 16bit for salting hashes
-  xTaskCreatePinnedToCore(sniffer_loop, "wifisniffer", 2048, (void *)1, 1, NULL,
+  xTaskCreatePinnedToCore(wifi_channel_loop, "wifiloop", 2048, (void *)1, 1,
-                          0);
+                          NULL, 0);
-
+} // setup
-// start BLE scan callback if BLE function is enabled in NVRAM configuration
-#ifdef BLECOUNTER
-  if (cfg.blescan) {
-    start_BLEscan();
-  }
-#endif
-
-// if device has GPS and it is enabled, start GPS reader task on core 0
-// higher priority than wifi channel rotation task since we process serial
-// streaming NMEA data
-#ifdef HAS_GPS
-  if (cfg.gpsmode) {
-    ESP_LOGI(TAG, "Starting GPS task on core 0");
-    xTaskCreatePinnedToCore(gps_loop, "gpsfeed", 2048, (void *)1, 2, NULL, 0);
-  }
-#endif
-}
 
 /* end Arduino SETUP
  * ------------------------------------------------------------ */
@@ -763,7 +480,7 @@ void loop() {
     }
 
     // check send cycle and send payload if cycle is expired
-    updatePayload();
+    sendPayload();
 
     vTaskDelay(1 / portTICK_PERIOD_MS); // reset watchdog
 

src/main.h

@@ -1,15 +1,42 @@
 
 #include "configmanager.h"
-#include "macsniff.h"
 #include "senddata.h"
 
+// Does nothing and avoid any compilation error with I2C
+#include <Wire.h>
+
+// ESP32 lib Functions
+#include <esp32-hal-log.h>  // needed for ESP_LOGx on arduino framework
+#include <esp_event_loop.h> // needed for Wifi event handler
+#include <esp_spi_flash.h>  // needed for reading ESP32 chip attributes
+
 #ifdef HAS_LORA
 #include "lorawan.h"
 #endif
 
+#ifdef HAS_DISPLAY
+#include "display.h"
+#endif
+
+#ifdef HAS_GPS
+#include "gps.h"
+#endif
+
+#ifdef BLECOUNTER
+#include "blescan.h"
+#endif
+
+#ifdef HAS_BATTERY_PROBE
+#include "battery.h"
+#endif
+
+#ifdef HAS_ANTENNA_SWITCH
+#include "antenna.h"
+#endif
+
 // program version - note: increment version after modifications to configData_t
 // struct!!
-#define PROGVERSION "1.3.9" // use max 10 chars here!
+#define PROGVERSION "1.3.91" // use max 10 chars here!
 #define PROGNAME "PAXCNT"
 
 //--- Declarations ---
@@ -46,29 +73,6 @@ extern gpsStatus_t gps_status; // struct for storing gps data
 extern TinyGPSPlus gps;        // Make TinyGPS++ instance globally availabe
 #endif
 
-enum led_states { LED_OFF, LED_ON };
-
-#if defined(CFG_eu868)
-const char lora_datarate[] = {"1211100908077BFSNA"};
-#elif defined(CFG_us915)
-const char lora_datarate[] = {"100908078CNA121110090807"};
-#endif
-
-//--- Prototypes ---
-
-// defined in main.cpp
 void reset_counters(void);
 void blink_LED(uint16_t set_color, uint16_t set_blinkduration);
 void led_loop(void);
-
-// defined in blescan.cpp
-#ifdef BLECOUNTER
-void start_BLEscan(void);
-void stop_BLEscan(void);
-#endif
-
-// defined in gpsread.cpp
-#ifdef HAS_GPS
-void gps_read(void);
-void gps_loop(void *pvParameters);
-#endif

src/rcommand.cpp

@@ -16,18 +16,8 @@ typedef struct {
   const bool store;
 } cmd_t;
 
-// function defined in antenna.cpp
-#ifdef HAS_ANTENNA_SWITCH
-void antenna_select(const uint8_t _ant);
-#endif
-
-// function defined in adcread.cpp
-#ifdef HAS_BATTERY_PROBE
-uint16_t read_voltage(void);
-#endif
-
 #ifdef HAS_LORA
-// help function to assign LoRa datarates to numeric spreadfactor values
+// helper function to assign LoRa datarates to numeric spreadfactor values
 void switch_lora(uint8_t sf, uint8_t tx) {
   if (tx > 20)
     return;

src/rcommand.h

@@ -0,0 +1,7 @@
+#ifndef rcommand_H
+#define rcommand_H
+
+void rcommand(uint8_t cmd, uint8_t arg);
+void switch_lora(uint8_t sf, uint8_t tx);
+
+#endif

src/rgb_led.cpp

@@ -1,78 +0,0 @@
-// Basic Config
-#include "globals.h"
-
-#ifdef HAS_RGB_LED
-
-// RGB Led instance
-SmartLed rgb_led(LED_WS2812, 1, HAS_RGB_LED);
-
-float rgb_CalcColor(float p, float q, float t) {
-  if (t < 0.0f)
-    t += 1.0f;
-  if (t > 1.0f)
-    t -= 1.0f;
-
-  if (t < 1.0f / 6.0f)
-    return p + (q - p) * 6.0f * t;
-
-  if (t < 0.5f)
-    return q;
-
-  if (t < 2.0f / 3.0f)
-    return p + ((q - p) * (2.0f / 3.0f - t) * 6.0f);
-
-  return p;
-}
-
-// ------------------------------------------------------------------------
-// Hue, Saturation, Lightness color members
-// HslColor using H, S, L values (0.0 - 1.0)
-// L should be limited to between (0.0 - 0.5)
-// ------------------------------------------------------------------------
-RGBColor rgb_hsl2rgb(float h, float s, float l) {
-  RGBColor RGB_color;
-  float r;
-  float g;
-  float b;
-
-  if (s == 0.0f || l == 0.0f) {
-    r = g = b = l; // achromatic or black
-  } else {
-    float q = l < 0.5f ? l * (1.0f + s) : l + s - (l * s);
-    float p = 2.0f * l - q;
-    r = rgb_CalcColor(p, q, h + 1.0f / 3.0f);
-    g = rgb_CalcColor(p, q, h);
-    b = rgb_CalcColor(p, q, h - 1.0f / 3.0f);
-  }
-
-  RGB_color.R = (uint8_t)(r * 255.0f);
-  RGB_color.G = (uint8_t)(g * 255.0f);
-  RGB_color.B = (uint8_t)(b * 255.0f);
-
-  return RGB_color;
-}
-
-void rgb_set_color(uint16_t hue) {
-  if (hue == COLOR_NONE) {
-    // Off
-    rgb_led[0] = Rgb(0, 0, 0);
-  } else {
-    // see http://www.workwithcolor.com/blue-color-hue-range-01.htm
-    // H (is color from 0..360) should be between 0.0 and 1.0
-    // S is saturation keep it to 1
-    // L is brightness should be between 0.0 and 0.5
-    // cfg.rgblum is between 0 and 100 (percent)
-    RGBColor target = rgb_hsl2rgb(hue / 360.0f, 1.0f, 0.005f * cfg.rgblum);
-    // uint32_t color = target.R<<16 | target.G<<8 | target.B;
-    rgb_led[0] = Rgb(target.R, target.G, target.B);
-  }
-  // Show
-  rgb_led.show();
-}
-
-#else
-
-// No RGB LED empty functions
-void rgb_set_color(uint16_t hue) {}
-
-#endif