Implement native ESP-IDF radar firmware

main/board.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "esp_err.h"
+
+// Initializes the CrowPanel V3 RGB panel, backlight, I2C touch reset sequence,
+// GT911 polling, and LVGL display/input drivers.
+esp_err_t board_init(void);
+
+void board_set_brightness(uint8_t percent);
+uint8_t board_get_brightness(void);
+
+bool board_touch_available(void);
+uint32_t board_last_touch_ms(void);