Refactor out LCD init to display.c

main/display.h

@@ -0,0 +1,27 @@
+#pragma once
+
+#include "stdbool.h"
+
+#include "esp_lcd_panel_io.h"
+
+#define LCD_SPI_HOST  SPI2_HOST
+
+#define GPIO_TFT_MISO CONFIG_TFT_MISO_PIN
+#define GPIO_TFT_MOSI CONFIG_TFT_MOSI_PIN
+#define GPIO_TFT_SCKL CONFIG_TFT_SCKL_PIN
+#define GPIO_TFT_CS   CONFIG_TFT_CS_PIN
+#define GPIO_TFT_DC   CONFIG_TFT_DC_PIN
+#define GPIO_TFT_BL   CONFIG_TFT_BL_PIN // Backlight
+#define TFT_HRES      CONFIG_TFT_HRES
+#define TFT_VRES      CONFIG_TFT_VRES
+#define TFT_BPP       CONFIG_TFT_BPP
+
+/**
+ * Draws a test bitmap of stripes of colors to the LCD.
+ */
+void test_draw_bitmap(esp_lcd_panel_handle_t panel_handle);
+
+/**
+ * Initializes the SPI LCD in preparation for writing graphics to it.
+ */
+void init_spi_lcd(void);