Implement crash handler and diagnostics app (#119)

Boards/LilygoTdeck/Source/hal/TdeckDisplay.cpp

@@ -87,7 +87,7 @@ bool TdeckDisplay::start() {
     const esp_lcd_panel_dev_config_t panel_config = {
         .reset_gpio_num = GPIO_NUM_NC,
         .rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB,
-        .data_endian = LCD_RGB_DATA_ENDIAN_BIG,
+        .data_endian = LCD_RGB_DATA_ENDIAN_LITTLE,
         .bits_per_pixel = TDECK_LCD_BITS_PER_PIXEL,
         .flags = {
             .reset_active_high = 0
@@ -148,7 +148,7 @@ bool TdeckDisplay::start() {
             .buff_dma = false,
             .buff_spiram = true,
             .sw_rotate = false,
-            .swap_bytes = true
+            .swap_bytes = false
         },
     };
 

Boards/LilygoTdeck/Source/hal/TdeckPower.cpp

@@ -6,13 +6,9 @@
 #define TAG "power"
 
 /**
- * The ratio of the voltage divider is supposedly 2.0, but when we set that, the ADC reports a bit over 4.45V
- * when charging the device.
- * There was also supposedly a +0.11 sag compensation related to "display under-voltage" according to Meshtastic firmware.
- * Either Meshtastic implemented it incorrectly OR there is simply a 5-10% deviation in accuracy.
- * The latter is feasible as the selected resistors for the voltage divider might not have been matched appropriately.
+ * 2.0 ratio, but +.11 added as display voltage sag compensation.
  */
-#define ADC_MULTIPLIER 1.89f
+#define ADC_MULTIPLIER 2.11
 
 #define ADC_REF_VOLTAGE 3.3f
 #define BATTERY_VOLTAGE_MIN 3.2f

Boards/YellowBoard/Source/hal/YellowDisplay.cpp

@@ -72,8 +72,8 @@ bool YellowDisplay::start() {
 
     const esp_lcd_panel_dev_config_t panel_config = {
         .reset_gpio_num = GPIO_NUM_NC,
-        .rgb_ele_order = LCD_RGB_ELEMENT_ORDER_BGR,
-        .data_endian = LCD_RGB_DATA_ENDIAN_BIG,
+        .rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB,
+        .data_endian = LCD_RGB_DATA_ENDIAN_LITTLE,
         .bits_per_pixel = TWODOTFOUR_LCD_BITS_PER_PIXEL,
         .flags = {
             .reset_active_high = false
@@ -123,7 +123,7 @@ bool YellowDisplay::start() {
             .buff_dma = true,
             .buff_spiram = false,
             .sw_rotate = false,
-            .swap_bytes = true
+            .swap_bytes = false
         }
     };