Add support for Heltec HRI-485-2

variants/heltec_hri485_2/platformio.ini

@@ -0,0 +1,7 @@
+[env:heltec-hri485-2]
+;build_type = debug ; to make it possible to step through our jtag debugger
+extends = esp32_base
+board = heltec_wifi_lora_32
+board_level = extra
+build_flags =
+  ${esp32_base.build_flags} -D PRIVATE_HW -I variants/heltec_hri485_2

variants/heltec_hri485_2/variant.h

@@ -0,0 +1,37 @@
+#define LED_PIN 2     // If defined we will blink this LED
+#define BUTTON_PIN 32 // If defined, this will be used for user button presses
+
+#define HAS_ETHERNET 1
+
+#define ETH_TYPE ETH_PHY_RTL8201
+#define ETH_ADDR 0
+#define ETH_CLK_MODE ETH_CLOCK_GPIO16_OUT
+#define ETH_RESET_PIN -1
+#define ETH_MDC_PIN 23
+#define ETH_POWER_PIN 12
+#define ETH_MDIO_PIN 18
+#define SD_MISO_PIN 34
+#define SD_MOSI_PIN 13
+#define SD_SCLK_PIN 14
+#define SD_CS_PIN 5
+
+#define USE_SX1262
+
+#define LORA_DIO0 -1 // a No connect on the SX1262 module
+#define LORA_RESET 12
+#define LORA_DIO1 14 // SX1262 IRQ
+#define LORA_DIO2 13 // SX1262 BUSY
+#define LORA_DIO3    // Not connected on PCB, but internally on the TTGO SX1262, if DIO3 is high the TXCO is enabled
+
+#define LORA_SCK 9
+#define LORA_MISO 11
+#define LORA_MOSI 10
+#define LORA_CS 8
+
+#define SX126X_CS LORA_CS
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_DIO2
+#define SX126X_RESET LORA_RESET
+
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8