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simplify epd driver api

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This commit is contained in:
Shuanglei Tao
2025-03-08 22:23:04 +08:00
parent 27406c577b
commit cc79fcd764
10 changed files with 330 additions and 307 deletions
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60
EPD/EPD_driver.h
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@@ -19,12 +19,16 @@
#include <stdint.h>
#include <stdlib.h>
/**< EPD driver IDs. */
enum EPD_DRIVER_IDS
#define BIT(n) (1UL << (n))
// Display resolution
typedef enum
{
EPD_DRIVER_4IN2 = 1,
EPD_DRIVER_4IN2B_V2 = 3,
};
EPD_RES_400x300,
EPD_RES_320x300,
EPD_RES_320x240,
EPD_RES_200x300,
} epd_res_t;
/**@brief EPD driver structure.
*
@@ -32,14 +36,8 @@ enum EPD_DRIVER_IDS
*/
typedef struct
{
uint8_t id; /**< driver ID. */
uint16_t width;
uint16_t height;
void (*init)(void); /**< Initialize the e-Paper register */
void (*init)(epd_res_t res, bool bwr); /**< Initialize the e-Paper register */
void (*clear)(void); /**< Clear screen */
void (*send_command)(uint8_t Reg); /**< send command */
void (*send_byte)(uint8_t Reg); /**< send byte */
void (*send_data)(uint8_t *Data, uint8_t Len); /**< send data */
void (*write_image)(uint8_t *black, uint8_t *color, uint16_t x, uint16_t y, uint16_t w, uint16_t h); /**< write image */
void (*refresh)(void); /**< Sends the image buffer in RAM to e-Paper and displays */
void (*sleep)(void); /**< Enter sleep mode */
@@ -47,6 +45,21 @@ typedef struct
void (*force_temp)(int8_t value); /**< Force temperature (will trigger OTP LUT switch) */
} epd_driver_t;
typedef enum
{
EPD_4IN2 = 1,
EPD_4IN2_V2 = 2,
EPD_4IN2B_V2 = 3,
} epd_model_id_t;
typedef struct
{
epd_model_id_t id;
epd_driver_t *drv;
epd_res_t res;
bool bwr;
} epd_model_t;
extern uint32_t EPD_MOSI_PIN;
extern uint32_t EPD_SCLK_PIN;
extern uint32_t EPD_CS_PIN;
@@ -57,6 +70,11 @@ extern uint32_t EPD_BS_PIN;
extern uint32_t EPD_EN_PIN;
extern uint32_t EPD_LED_PIN;
extern uint16_t EPD_WIDTH;
extern uint16_t EPD_HEIGHT;
extern bool EPD_BWR_MODE;
#define LOW (0x0)
#define HIGH (0x1)
@@ -72,21 +90,19 @@ uint32_t digitalRead(uint32_t pin);
void delay(uint32_t ms);
// GPIO
void DEV_Module_Init(void);
void DEV_Module_Exit(void);
void EPD_GPIO_Init(void);
void EPD_GPIO_Uninit(void);
// Software SPI (read / write)
void DEV_SPI_WriteByte_SW(uint8_t data);
uint8_t DEV_SPI_ReadByte_SW(void);
void EPD_SPI_WriteByte_SW(uint8_t data);
uint8_t EPD_SPI_ReadByte_SW(void);
void EPD_WriteCommand_SW(uint8_t Reg);
void EPD_WriteByte_SW(uint8_t Data);
uint8_t EPD_ReadByte_SW(void);
// Hardware SPI (write only)
void DEV_SPI_Init(void);
void DEV_SPI_Exit(void);
void DEV_SPI_WriteByte(uint8_t value);
void DEV_SPI_WriteBytes(uint8_t *value, uint8_t len);
void EPD_SPI_WriteByte(uint8_t value);
void EPD_SPI_WriteBytes(uint8_t *value, uint8_t len);
void EPD_WriteCommand(uint8_t Reg);
void EPD_WriteByte(uint8_t Data);
void EPD_WriteData(uint8_t *Data, uint8_t Len);
@@ -99,8 +115,6 @@ void EPD_LED_ON(void);
void EPD_LED_OFF(void);
void EPD_LED_TOGGLE(void);
epd_driver_t *epd_driver_get(void);
epd_driver_t *epd_driver_by_id(uint8_t id);
bool epd_driver_set(uint8_t id);
epd_driver_t *epd_model_init(epd_model_id_t id);
#endif