begin support for TFT displays

variants/lora_relay_v1/variant.cpp

@@ -34,7 +34,7 @@ const uint32_t g_ADigitalPinMap[] = {
     7,  // D6  is P0.07
     34, // D7  is P1.02 (Button)
     16, // D8  is P0.16 (NeoPixel)
-    26, // D9  is P0.26
+    26, // D9  is P0.26 D_RS (IPS data/command control)
     27, // D10 is P0.27
     6,  // D11 is P0.06 D_RES (IPS display reset)
     8,  // D12 is P0.08 D_CS (IPS display chip select)

variants/lora_relay_v1/variant.h

@@ -82,7 +82,6 @@ static const uint8_t A5 = PIN_A5;
 #define PIN_VBAT PIN_A4
 #define PIN_NFC1 (33)
 #define PIN_NFC2 (2)
-#define PIN_DISPLAY_RESET (11) // Output
 #define PIN_PIEZO (37)
 static const uint8_t AREF = PIN_AREF;
 
@@ -130,6 +129,11 @@ static const uint8_t SCK = PIN_SPI_SCK;
     (15) // FIXME, see warning hre  https://github.com/BigCorvus/SX1262-LoRa-BLE-Relay/blob/master/LORA_RELAY_NRF52840.ino
 #define SX1262_E22 // Indicates this SX1262 is inside of an ebyte E22 module and special config should be done for that
 
+#define ST7735_RESET (11) // Output
+#define ST7735_CS    (12)
+#define ST7735_BACKLIGHT_EN (13)
+#define ST7735_RS (9)
+
 #ifdef __cplusplus
 }
 #endif