TTGOv1 support added (experimental, not yet tested)

README.md

@@ -1,13 +1,14 @@
 # Paxcounter
-Wifi & Bluetooth driven, LoRaWAN enabled, battery powered mini ESP32 Paxcounter
-built on cheap ESP32 boards
+**Wifi & Bluetooth driven, LoRaWAN enabled, battery powered mini ESP32 Paxcounter
+built on cheap ESP32 boards**
 
 <img src="img/foto_no_exif.jpg">
 
 # Hardware
 
 Currently supported IoT boards:
 - Heltec LoRa-32
+- TTGOv1
 - TTGOv2
 - Pycom LoPy
 - Pycom LoPy4
@@ -152,6 +153,10 @@ Note: all settings are stored in NVRAM and will be reloaded when device starts.
 0x81 get device uptime
 
 	bytes 1-7:		Uptime in seconds (little endian format)
+
+0x82 get device cpu temperature
+
+	bytes 1-3:		chip temperature in celsius (little endian format)
 
 # License
 

platformio.ini

@@ -9,8 +9,9 @@
 ; http://docs.platformio.org/page/projectconf.html
 
 [platformio]
-env_default = heltec_wifi_lora_32
-;env_default = ttgo
+;env_default = heltec_wifi_lora_32
+env_default = ttgov2
+;env_default = ttgov1
 ;env_default = lopy
 ;env_default = lopy4
 
@@ -34,7 +35,7 @@ build_flags =
 ;FreeRTOS single core operation, switches off core 1 (see arduino-esp32/cores/esp32/main.cpp)
 ;   -DCONFIG_FREERTOS_UNICORE
 
-[env:ttgo]
+[env:ttgov1]
 platform = espressif32
 board = esp32dev
 framework = arduino
@@ -50,7 +51,28 @@ build_flags =
 ;override lora settings from LMiC library in lmic/config.h and use main.h instead
     -D_lmic_config_h_
     -include "src/main.h"
-    -include "src/hal/ttgo.h"
+    -include "src/hal/ttgov1.h"
+;FreeRTOS single core operation, switches off core 1 (see arduino-esp32/cores/esp32/main.cpp)
+;   -DCONFIG_FREERTOS_UNICORE
+
+
+[env:ttgov2]
+platform = espressif32
+board = esp32dev
+framework = arduino
+monitor_baud = 115200
+lib_deps = U8g2
+build_flags = 
+;set log level, we need build_flag for this, otherwise we can't use ESP_LOGx in arduino framework
+    -DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_VERBOSE
+;   -DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_NONE
+;needed for ESP32 BLE Ardunio v0.4.9
+    -fexceptions
+    -std=c++11
+;override lora settings from LMiC library in lmic/config.h and use main.h instead
+    -D_lmic_config_h_
+    -include "src/main.h"
+    -include "src/hal/ttgov2.h"
 ;FreeRTOS single core operation, switches off core 1 (see arduino-esp32/cores/esp32/main.cpp)
 ;   -DCONFIG_FREERTOS_UNICORE
 

src/hal/heltec.h

@@ -2,8 +2,8 @@
 
 #define HELTEC
 #define HAS_DISPLAY // has OLED-Display
-#define HAS_LED // has on usable board LED
-#define HAS_BUTTON // has onboard button
+#define HAS_LED // has usable on board LED
+#define HAS_BUTTON // has usable on board button
 #define CFG_sx1276_radio 1
 
 // re-define pin definitions of pins_arduino.h

src/hal/ttgov1.h

@@ -0,0 +1,22 @@
+// Hardware related definitions for Heltec TTGOv1 board
+
+#define TTGO
+#define HAS_DISPLAY // has OLED-Display
+#define CFG_sx1276_radio 1
+
+// re-define pin definitions of pins_arduino.h
+#define PIN_SPI_SS    18 // ESP32 GPIO18 (Pin18) -- SX1276 NSS (Pin19) SPI Chip Select Input
+#define PIN_SPI_MOSI  27 // ESP32 GPIO27 (Pin27) -- SX1276 MOSI (Pin18) SPI Data Input
+#define PIN_SPI_MISO  19 // ESP32 GPIO19 (Pin19) -- SX1276 MISO (Pin17) SPI Data Output
+#define PIN_SPI_SCK   5  // ESP32 GPIO5 (Pin5)   -- SX1276 SCK (Pin16) SPI Clock Input
+
+// non arduino pin definitions
+#define RST   14 // ESP32 GPIO14 (Pin14) -- SX1276 NRESET (Pin7) Reset Trigger Input
+#define DIO0  26 // ESP32 GPIO26 (Pin15) -- SX1276 DIO0 (Pin8) used by LMIC for detecting LoRa RX_Done & TX_Done
+#define DIO1  33 // ESP32 GPIO33 (Pin13) -- SX1276 DIO1 (Pin9) used by LMIC for detecting LoRa RX_Timeout
+#define DIO2  32 // ESP32 GPIO32 (Pin12) -- SX1276 DIO2 (Pin10) not used by LMIC for LoRa (Timeout for FSK only)
+
+// Hardware pin definitions for Heltec LoRa-32 Board with OLED SSD1306 I2C Display
+#define OLED_RST 16 // ESP32 GPIO16 (Pin16) -- SD1306 Reset
+#define OLED_SDA 4  // ESP32 GPIO4 (Pin4)   -- SD1306 Data
+#define OLED_SCL 15 // ESP32 GPIO15 (Pin15) -- SD1306 Clock

src/hal/ttgo.h → src/hal/ttgov2.h

@@ -1,48 +1,48 @@
-// Hardware related definitions for TTGO V2 Board
-
-#define TTGO
-#define HAS_DISPLAY // has OLED-Display
-#define CFG_sx1276_radio 1
-
-// re-define pin definitions of pins_arduino.h
-#define PIN_SPI_SS    18 // ESP32 GPIO18 (Pin18) -- SX1276 NSS (Pin19) SPI Chip Select Input
-#define PIN_SPI_MOSI  27 // ESP32 GPIO27 (Pin27) -- SX1276 MOSI (Pin18) SPI Data Input
-#define PIN_SPI_MISO  19 // ESP32 GPIO19 (Pin19) -- SX1276 MISO (Pin17) SPI Data Output
-#define PIN_SPI_SCK   5  // ESP32 GPIO5 (Pin5)   -- SX1276 SCK (Pin16) SPI Clock Input
-
-// non arduino pin definitions
-#define RST   LMIC_UNUSED_PIN // not sure
-#define DIO0  26 // wired on PCB
-#define DIO1  33 // needs to be wired external
-#define DIO2  32 // needs to be wired external (but not necessary for LoRa)
-
-// Hardware pin definitions for TTGO V2 Board with OLED SSD1306 0,96" I2C Display
-#define OLED_RST U8X8_PIN_NONE // to be checked if really not connected
-#define OLED_SDA 21  // ESP32 GPIO4 (Pin4)   -- SD1306 Data
-#define OLED_SCL 22 // ESP32 GPIO15 (Pin15) -- SD1306 Clock
-
-
-/*
- ESP32             LoRa module (SPI)        OLED display (I2C)
-   ---------         -----------------        ------------------
-    5  SCK           SCK
-   27  MOSI          MOSI
-   19  MISO          MISO
-   18  SS            NSS
-   14                RST
-   26                DIO0
-   33                DIO1  (see note {1})
-   32                DIO2  (see note {2})
-   22  SCL                                    SCL
-   21  SDA                                    SDA
-   22  LED  (useless, see note {3})
-
-   {1} Must be manually wired!
-       DIO1 is wired to a separate pin but is not wired on-board to pin/GPIO33.
-       Explicitly wire board pin labeled DIO1 to pin 33 (see TTGO V2.0 pinout).
-   {2} Must be manually wired!
-       DIO2 is wired to a separate pin but is not wired on-board to pin/GPIO32.
-       Explicitly wire board pin labeled DIO2 to pin 32 (see TTGO V2.0 pinout).
-   {3} The on-board LED is wired to SCL (used by display) therefore totally useless!
-   */
-
+// Hardware related definitions for TTGO V2 Board
+
+#define TTGO
+#define HAS_DISPLAY // has OLED-Display
+#define CFG_sx1276_radio 1
+
+// re-define pin definitions of pins_arduino.h
+#define PIN_SPI_SS    18 // ESP32 GPIO18 (Pin18) -- SX1276 NSS (Pin19) SPI Chip Select Input
+#define PIN_SPI_MOSI  27 // ESP32 GPIO27 (Pin27) -- SX1276 MOSI (Pin18) SPI Data Input
+#define PIN_SPI_MISO  19 // ESP32 GPIO19 (Pin19) -- SX1276 MISO (Pin17) SPI Data Output
+#define PIN_SPI_SCK   5  // ESP32 GPIO5 (Pin5)   -- SX1276 SCK (Pin16) SPI Clock Input
+
+// non arduino pin definitions
+#define RST   LMIC_UNUSED_PIN // not sure
+#define DIO0  26 // wired on PCB
+#define DIO1  33 // needs to be wired external
+#define DIO2  32 // needs to be wired external (but not necessary for LoRa)
+
+// Hardware pin definitions for TTGO V2 Board with OLED SSD1306 0,96" I2C Display
+#define OLED_RST U8X8_PIN_NONE // to be checked if really not connected
+#define OLED_SDA 21  // ESP32 GPIO4 (Pin4)   -- SD1306 Data
+#define OLED_SCL 22 // ESP32 GPIO15 (Pin15) -- SD1306 Clock
+
+
+/*
+ ESP32             LoRa module (SPI)        OLED display (I2C)
+   ---------         -----------------        ------------------
+    5  SCK           SCK
+   27  MOSI          MOSI
+   19  MISO          MISO
+   18  SS            NSS
+   14                RST
+   26                DIO0
+   33                DIO1  (see note {1})
+   32                DIO2  (see note {2})
+   22  SCL                                    SCL
+   21  SDA                                    SDA
+   22  LED  (useless, see note {3})
+
+   {1} Must be manually wired!
+       DIO1 is wired to a separate pin but is not wired on-board to pin/GPIO33.
+       Explicitly wire board pin labeled DIO1 to pin 33 (see TTGO V2.0 pinout).
+   {2} Must be manually wired!
+       DIO2 is wired to a separate pin but is not wired on-board to pin/GPIO32.
+       Explicitly wire board pin labeled DIO2 to pin 32 (see TTGO V2.0 pinout).
+   {3} The on-board LED is wired to SCL (used by display) therefore totally useless!
+   */
+

src/main.cpp

@@ -326,8 +326,11 @@ void setup() {
 
     ESP_LOGI(TAG, "Starting %s %s", PROGNAME, PROGVERSION);
 
+/*
+    tcpip_adapter_init(); // not sure if necessary, but seems needed for TTGOv1
     // ESP Event Loop
-    esp_event_loop_init(NULL, NULL);
+    esp_event_loop_init(NULL, NULL);  // not sure if necessary -> to be checked
+*/
 
     // Print chip information on startup
 #ifdef VERBOSE
@@ -339,6 +342,7 @@ void setup() {
             (chip_info.features & CHIP_FEATURE_BLE) ? "/BLE" : "", 
             chip_info.revision, spi_flash_get_chip_size() / (1024 * 1024),
             (chip_info.features & CHIP_FEATURE_EMB_FLASH) ? "embedded" : "external");
+    ESP_LOGI(TAG, "ESP32 SDK: %s", ESP.getSdkVersion());
 #endif // VERBOSE
 
     // Read settings from NVRAM

src/main.h

@@ -1,5 +1,5 @@
 // program version
-#define PROGVERSION                     "1.2.0" // use max 10 chars here!
+#define PROGVERSION                     "1.2.22" // use max 10 chars here!
 #define PROGNAME                        "PAXCNT"
 
 // Verbose enables serial output

src/rcommand.cpp

@@ -165,7 +165,7 @@ void get_config (int val) {
     memcpy(sendData, &cfg, size);
     LMIC_setTxData2(RCMDPORT, sendData, size-1, 0); // send data unconfirmed on RCMD Port
     delete sendData; // free memory
-    ESP_LOGI(TAG, "Configuration data queued in send queue");
+    ESP_LOGI(TAG, "%i bytes queued in send queue", size-1);
 };
 
 void get_uptime (int val) {
@@ -175,7 +175,18 @@ void get_uptime (int val) {
     memcpy(sendData, (unsigned char*)&uptimecounter, size);
     LMIC_setTxData2(RCMDPORT, sendData, size-1, 0); // send data unconfirmed on RCMD Port
     delete sendData; // free memory
-    ESP_LOGI(TAG, "Uptime queued in send queue");
+    ESP_LOGI(TAG, "%i bytes queued in send queue", size-1);
+};
+
+void get_cputemp (int val) {
+    ESP_LOGI(TAG, "Remote command: get cpu temperature");
+    float temp = temperatureRead();
+    int size = sizeof(temp);
+    unsigned char *sendData = new unsigned char[size];
+    memcpy(sendData, (unsigned char*)&temp, size);
+    LMIC_setTxData2(RCMDPORT, sendData, size-1, 0); // send data unconfirmed on RCMD Port
+    delete sendData; // free memory
+    ESP_LOGI(TAG, "%i bytes queued in send queue", size-1);
 };
 
 // assign previously defined functions to set of numeric remote commands
@@ -197,6 +208,7 @@ cmd_t table[] = {
                 {0x0d, set_blescan, true},
                 {0x80, get_config, false},
                 {0x81, get_uptime, false},
+                {0x82, get_cputemp, false}
                 };
 
 // check and execute remote command

src/wifisniffer.cpp

@@ -45,12 +45,13 @@ typedef struct {
 
 void wifi_sniffer_init(void) {
 		wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
-    	ESP_ERROR_CHECK( esp_wifi_init(&cfg) );
-    	ESP_ERROR_CHECK( esp_wifi_set_country(&wifi_country) );
-    	ESP_ERROR_CHECK( esp_wifi_set_storage(WIFI_STORAGE_RAM) );
-    	ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_NULL) );
-    	ESP_ERROR_CHECK( esp_wifi_start() );
-    	ESP_ERROR_CHECK( esp_wifi_set_max_tx_power(-128) ); // we don't need to TX, so we use lowest power level to save energy
+		cfg.nvs_enable = 0; // we don't want wifi settings from NVRAM
+    	ESP_ERROR_CHECK(esp_wifi_init(&cfg));
+    	ESP_ERROR_CHECK(esp_wifi_set_country(&wifi_country));
+		ESP_ERROR_CHECK(esp_wifi_set_storage(WIFI_STORAGE_RAM) );
+		//ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_NULL) );
+    	//ESP_ERROR_CHECK( esp_wifi_start() );
+    	//ESP_ERROR_CHECK( esp_wifi_set_max_tx_power(-128) ); // we don't need to TX, so we use lowest power level to save energy
     	wifi_promiscuous_filter_t filter = {.filter_mask = WIFI_PROMIS_FILTER_MASK_MGMT}; // we need only MGMT frames
     	ESP_ERROR_CHECK(esp_wifi_set_promiscuous_filter(&filter)); // set MAC frame filter
     	ESP_ERROR_CHECK(esp_wifi_set_promiscuous_rx_cb(&wifi_sniffer_packet_handler));