Support for TLORA 2.1-1.8

variants/tlora_v2_1_18/platformio.ini

@@ -0,0 +1,7 @@
+[env:tlora-v2-1-1.8]
+extends = esp32_base
+board = ttgo-lora32-v21
+lib_deps =
+  ${esp32_base.lib_deps}
+build_flags = 
+  ${esp32_base.build_flags} -D TLORA_V2_1_18 -I variants/tlora_v2_1_18

variants/tlora_v2_1_18/variant.h

@@ -0,0 +1,33 @@
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+#define GPS_RX_PIN 15 // per @der_bear on the forum, 36 is incorrect for this board type and 15 is a better pick
+#define GPS_TX_PIN 13
+
+#define EXT_NOTIFY_OUT 2 // Default pin to use for Ext Notify Module.
+
+#define BATTERY_PIN 35 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+// ratio of voltage divider = 2.0 (R42=100k, R43=100k)
+#define ADC_MULTIPLIER 2.11 // 2.0 + 10% for correction of display undervoltage.
+
+#define I2C_SDA 21 // I2C pins for this board
+#define I2C_SCL 22
+
+// #define RESET_OLED 16 // If defined, this pin will be used to reset the display controller. Crashes on newer ESP-IDF and not needed per schematic
+
+#define VEXT_ENABLE 21 // active low, powers the oled display and the lora antenna boost
+#define LED_PIN 25     // If defined we will blink this LED
+#define BUTTON_PIN 12  // If defined, this will be used for user button presses,
+
+#define BUTTON_NEED_PULLUP
+
+#define USE_SX1280
+#define LORA_DIO0 26 // a No connect on the SX1262 module
+#define LORA_RESET 23
+
+#define SX128X_CS 18 // FIXME - we really should define LORA_CS instead
+#define SX128X_DIO1 33
+#define SX128X_BUSY 32
+#define SX128X_RESET LORA_RESET
+#define SX128X_E22 // Not really an E22 but TTGO seems to be trying to clone that
+// Internally the TTGO module hooks the SX1280-DIO2 in to control the TX/RX switch (which is the default for the sx1280interface
+// code)