heltec-wireless-bridge

requires Proto PR first

src/platform/esp32/architecture.h

@@ -76,6 +76,8 @@
 #ifdef HELTEC_V2_1
 #define HW_VENDOR meshtastic_HardwareModel_HELTEC_V2_1
 #endif
+#elif defined(HELTEC_WIRELESS_BRIDGE)
+#define HW_VENDOR meshtastic_HardwareModel_HELTEC_WIRELESS_BRIDGE
 #elif defined(ARDUINO_HELTEC_WIFI_LORA_32)
 #define HW_VENDOR meshtastic_HardwareModel_HELTEC_V1
 #elif defined(TLORA_V1)

variants/heltec_wireless_bridge/platformio.ini

@@ -0,0 +1,6 @@
+[env:heltec-wireless-bridge]
+;build_type = debug ; to make it possible to step through our jtag debugger 
+extends = esp32_base
+board = heltec_wifi_lora_32
+build_flags = 
+  ${esp32_base.build_flags} -D HELTEC_WIRELESS_BRIDGE -I variants/heltec_wireless_bridge

variants/heltec_wireless_bridge/variant.h

@@ -0,0 +1,29 @@
+// the default ESP32 Pin of 15 is the Oled SCL, set to 36 and 37 and works fine.
+// Tested on Neo6m module.
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+#define GPS_RX_PIN 36
+#define GPS_TX_PIN 33
+
+#ifndef USE_JTAG  // gpio15 is TDO for JTAG, so no I2C on this board while doing jtag
+#define I2C_SDA 4 // I2C pins for this board
+#define I2C_SCL 15
+#endif
+
+#define LED_PIN 25   // If defined we will blink this LED
+#define BUTTON_PIN 0 // If defined, this will be used for user button presses
+
+#define USE_RF95
+#define LORA_DIO0 26 // a No connect on the SX1262 module
+#ifndef USE_JTAG
+#define LORA_RESET 14
+#endif
+#define LORA_DIO1 35
+#define LORA_DIO2 34 // Not really used
+
+// ratio of voltage divider = 3.20 (R1=100k, R2=220k)
+#define ADC_MULTIPLIER 3.2
+
+#define BATTERY_PIN 13 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define ADC_CHANNEL ADC2_GPIO13_CHANNEL
+#define BAT_MEASURE_ADC_UNIT 2