TTGOv1 support added (experimental)

README.md

@@ -154,6 +154,10 @@ Note: all settings are stored in NVRAM and will be reloaded when device starts.
 
 	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
 
 Copyright  2018 Oliver Brandmueller <ob@sysadm.in>

platformio.ini

@@ -10,8 +10,8 @@
 
 [platformio]
 ;env_default = heltec_wifi_lora_32
-;env_default = ttgov2
-env_default = ttgov1
+env_default = ttgov2
+;env_default = ttgov1
 ;env_default = lopy
 ;env_default = lopy4
 

src/main.cpp

@@ -342,6 +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                     "1.2.21" // 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

@@ -48,8 +48,8 @@ void wifi_sniffer_init(void) {
 		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_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