Driver.h

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#ifndef __DRIVER_H
#define __DRIVER_H
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "driver/spi_master.h"
#include "esp_system.h"
#include "driver/gpio.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
 
#define LCD_HOST    HSPI_HOST
#define DMA_CHAN    2
 
#define PIN_NUM_MISO 25
#define PIN_NUM_MOSI 23
#define PIN_NUM_CLK  19
#define PIN_NUM_CS   22
 
#define PIN_NUM_DC   21
#define PIN_NUM_RST  18
#define PIN_NUM_BCKL 5
 
#define LCD_WIDTH    320
#define LCD_HIGH     240
 
//To speed up transfers, every SPI transfer sends a bunch of lines. This define specifies how many. More means more memory use,
//but less overhead for setting up / finishing transfers. Make sure 240 is dividable by this.
#define PARALLEL_LINES 16
 
/*
 The LCD needs a bunch of command/argument values to be initialized. They are stored in this struct.
*/
typedef struct {
    uint8_t cmd;
    uint8_t data[16];
    uint8_t databytes; //No of data in data; bit 7 = delay after set; 0xFF = end of cmds.
} lcd_init_cmd_t;
 
typedef enum {
    LCD_TYPE_ILI = 1,
    LCD_TYPE_ST,
    LCD_TYPE_MAX,
} type_lcd_t;
 
esp_err_t vDriver_init(void);
esp_err_t iDriver_writeFramebuffer(uint16_t ***pu16Framebuffer);
 
#endif /* __DRIVER_H */