ai_driver.h

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#ifndef AI_DRIVER_H 
#define AI_DRIVER_H 
 
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif

typedef int (*spi_write_fn)(uint8_t *data, uint32_t len);

typedef int (*spi_read_fn)(uint8_t *data, uint32_t len);

typedef struct spi_driver {
  spi_write_fn write;
  spi_read_fn read;
} spi_driver;
 
extern spi_driver g_spi_driver;

void register_spi_driver(spi_driver driver);

int _spi_write(uint8_t* data, uint32_t len);

int _spi_read(uint8_t* data, uint32_t len);

typedef int (*i2c_write_fn)(uint16_t addr, uint32_t val, uint32_t size);

typedef int (*i2c_read_fn)(uint16_t addr, uint32_t *val, uint32_t size);

typedef int (*i2c_write_block_fn)(uint16_t addr, const uint8_t *data, uint32_t len);

typedef void (*sleep_ms_fn)(uint32_t ms);

typedef void (*sleep_us_fn)(uint64_t us);

typedef void (*imx500_printf_fn)(const char *msg);

typedef struct i2c_driver {
  i2c_write_fn write;
  i2c_read_fn read;
  i2c_write_block_fn write_block;
  sleep_ms_fn slp_ms;
  sleep_us_fn slp_us;
} i2c_driver;
 
extern i2c_driver g_i2c_driver;
extern imx500_printf_fn g_printf_fn;

void register_i2c_driver(i2c_driver driver);

void register_printf(imx500_printf_fn fn);

int _i2c_write(uint32_t addr, uint32_t val, uint32_t size);

int _i2c_read(uint32_t addr, uint32_t *val, uint32_t size);
 
#ifdef __cplusplus
}
#endif
 
#endif  // AI_DRIVER_H