Merge pull request #2108 from markbirss/develop

Add initial support for BETAFPV ELRS Micro TX Module 2.4G with ESP32 CPU

src/mesh/SX128xInterface.cpp

@@ -25,7 +25,12 @@ bool SX128xInterface<T>::init()
     digitalWrite(SX128X_POWER_EN, HIGH);
     pinMode(SX128X_POWER_EN, OUTPUT);
 #endif
-
+  
+#ifdef RF95_FAN_EN
+    pinMode(RF95_FAN_EN, OUTPUT);
+    digitalWrite(RF95_FAN_EN, 1);
+#endif
+  
 #if defined(SX128X_RXEN) && (SX128X_RXEN != RADIOLIB_NC) // set not rx or tx mode
     digitalWrite(SX128X_RXEN, LOW); // Set low before becoming an output
     pinMode(SX128X_RXEN, OUTPUT);

variants/betafpv_2400_tx_micro/platformio.ini

@@ -0,0 +1,17 @@
+[env:betafpv_2400_tx_micro]
+extends = esp32_base
+board = esp32doit-devkit-v1
+build_flags =
+  ${esp32_base.build_flags}
+  -D BETAFPV_2400_TX
+  -D VTABLES_IN_FLASH=1
+  -D CONFIG_DISABLE_HAL_LOCKS=1
+  -O2
+  -I variants/betafpv_2400_tx_micro
+board_build.f_cpu = 240000000L
+upload_protocol = esptool
+upload_port = /dev/ttyUSB0
+upload_speed = 460800
+lib_deps =
+  ${esp32_base.lib_deps}
+  makuna/NeoPixelBus@^2.7.1

variants/betafpv_2400_tx_micro/variant.h

@@ -0,0 +1,34 @@
+//https://betafpv.com/products/elrs-micro-tx-module
+#include <NeoPixelBus.h>
+
+// 0.96" OLED
+#define I2C_SDA         22
+#define I2C_SCL         32
+
+// NO GPS
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+
+#define RF95_SCK        18
+#define RF95_MISO       19
+#define RF95_MOSI       23
+#define RF95_NSS        5
+#define RF95_FAN_EN     17
+
+#define LED_PIN         16     // This is a LED_WS2812 not a standard LED
+
+#define BUTTON_PIN      25
+#define BUTTON_NEED_PULLUP
+
+#undef EXT_NOTIFY_OUT
+
+// SX128X 2.4 Ghz LoRa module
+#define USE_SX1280
+#define LORA_RESET      14
+#define SX128X_CS       5
+#define SX128X_DIO1     4
+#define SX128X_BUSY     21 
+#define SX128X_TXEN     26
+#define SX128X_RXEN     27
+#define SX128X_RESET LORA_RESET
+#define SX128X_MAX_POWER 13