add tft

include/blk_box_drivers/inputs.hpp

@@ -26,10 +26,16 @@ enum class Button: uint8_t {
     B2 = 1,
     B3 = 2,
     B4 = 3,
+
     GREEN = 0,
     RED = 1,
     YELLOW = 2,
     BLUE = 3,
+
+    LEFT = 0,
+    DOWN = 1,
+    UP = 2,
+    RIGHT = 3,
 };
 
 constexpr uint8_t raw_value(Button v) { return static_cast<uint8_t>(v); }
@@ -85,7 +91,6 @@ constexpr char keypad_key_to_char(KeypadKey key) {
     return lookup[static_cast<uint8_t>(key) & 0b1111];
 }
 
-
 struct SwitchFlip {
 private:
     // [bit2: up] [bit1-0: switch] 

include/blk_box_drivers/tft.hpp

@@ -0,0 +1,39 @@
+#ifndef TFT_HPP
+#define TFT_HPP
+
+#include <lvgl.h>
+#include <freertos/FreeRTOS.h>
+
+// Uncomment the following line to enable using double buffering of LVGL color
+// data.
+// #define USE_DOUBLE_BUFFERING 1
+
+// rotation swaps the horizontal and vertical pixel counts
+#define DISPLAY_HORIZONTAL_PIXELS 480
+#define DISPLAY_VERTICAL_PIXELS 320
+#define DISPLAY_COMMAND_BITS 8
+#define DISPLAY_PARAMETER_BITS 8
+#define DISPLAY_REFRESH_HZ 40000000
+#define DISPLAY_SPI_QUEUE_LEN 10
+#define SPI_MAX_TRANSFER_SIZE 32768
+
+#define TFT_INVERT_COLOR false
+
+// Default to 50 lines of color data
+#define LV_BUFFER_SIZE DISPLAY_HORIZONTAL_PIXELS * 50
+#define LVGL_UPDATE_PERIOD_MS 5
+
+#define BACKLIGHT_LEDC_MODE LEDC_LOW_SPEED_MODE
+#define BACKLIGHT_LEDC_CHANNEL LEDC_CHANNEL_0
+#define BACKLIGHT_LEDC_TIMER LEDC_TIMER_1
+#define BACKLIGHT_LEDC_TIMER_RESOLUTION LEDC_TIMER_10_BIT
+#define BACKLIGHT_LEDC_FRQUENCY 5000
+
+extern lv_obj_t* screen;
+
+void init_tft();
+
+bool lvgl_lock(TickType_t ticks_to_wait);
+void lvgl_unlock();
+
+#endif // TFT_HPP