M5Stack Core2 support (#48)

boards/m5stack_core2/private/bootstrap.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+bool core2_bootstrap();
+
+#ifdef __cplusplus
+}
+#endif

boards/m5stack_core2/private/config.h

@@ -0,0 +1,37 @@
+#pragma once
+
+#include "driver/spi_common.h"
+#include "driver/i2c.h"
+#include "driver/gpio.h"
+
+// I2C
+#define CORE2_I2C_PIN_SDA 21
+#define CORE2_I2C_PIN_SCL 22
+
+// SPI2 - Display, SD
+#define CORE2_SPI2_PIN_SCLK GPIO_NUM_18
+#define CORE2_SPI2_PIN_MOSI GPIO_NUM_23
+#define CORE2_SPI2_PIN_MISO GPIO_NUM_38
+#define CORE2_SPI2_TRANSACTION_LIMIT CORE2_LCD_DRAW_BUFFER_SIZE
+
+// Display
+#define CORE2_LCD_SPI_HOST SPI2_HOST
+#define CORE2_LCD_HORIZONTAL_RESOLUTION 320
+#define CORE2_LCD_VERTICAL_RESOLUTION 240
+#define CORE2_LCD_BITS_PER_PIXEL 16
+#define CORE2_LCD_DRAW_BUFFER_HEIGHT (CORE2_LCD_VERTICAL_RESOLUTION / 10)
+#define CORE2_LCD_DRAW_BUFFER_SIZE (CORE2_LCD_HORIZONTAL_RESOLUTION * CORE2_LCD_DRAW_BUFFER_HEIGHT * (CORE2_LCD_BITS_PER_PIXEL / 8))
+#define CORE2_LCD_PIN_CS GPIO_NUM_5
+#define CORE2_LCD_PIN_DC GPIO_NUM_15
+
+// Touch
+#define CORE2_TOUCH_I2C_PORT I2C_NUM_0
+
+// SD Card
+#define CORE2_SDCARD_SPI_HOST SPI2_HOST
+#define CORE2_SDCARD_PIN_CS GPIO_NUM_4
+#define CORE2_SDCARD_SPI_FREQUENCY 800000U
+#define CORE2_SDCARD_FORMAT_ON_MOUNT_FAILED false
+#define CORE2_SDCARD_MAX_OPEN_FILES 4
+#define CORE2_SDCARD_ALLOC_UNIT_SIZE (16 * 1024)
+#define CORE2_SDCARD_STATUS_CHECK_ENABLED false

boards/m5stack_core2/private/display_i.hpp

@@ -0,0 +1,15 @@
+#pragma once
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "lvgl.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+lv_disp_t* core2_display_init();
+
+#ifdef __cplusplus
+}
+#endif

boards/m5stack_core2/private/lvgl_i.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+bool core2_lvgl_init();
+
+#ifdef __cplusplus
+}
+#endif

boards/m5stack_core2/private/touch_i.hpp

@@ -0,0 +1,11 @@
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+bool core2_touch_init();
+
+#ifdef __cplusplus
+}
+#endif