drv_i2c_master.h

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#ifndef _DRV_I2C_MASTER_H_
#define _DRV_I2C_MASTER_H_
 
#ifdef __cplusplus
extern "C"{
#endif
 
#include "drv_name.h"
#include "hal_i2c_master.h"
 
typedef enum
{
    I2C_MASTER_SUCCESS = 0,  
    I2C_MASTER_ERROR = (-1)  
} i2c_master_err_t;
typedef enum {…};
 
typedef enum
{
    I2C_MASTER_SPEED_STANDARD = 0, 
    I2C_MASTER_SPEED_FULL,         
    I2C_MASTER_SPEED_FAST          
} i2c_master_speed_t;
typedef enum {…};
 
typedef struct
{
    uint8_t addr; 
    pin_name_t sda; 
    pin_name_t scl; 
    uint32_t speed; 
    uint16_t timeout_pass_count; 
} i2c_master_config_t;
typedef struct {…};
 
typedef struct
{
    handle_t handle; 
    i2c_master_config_t config; 
} i2c_master_t;
typedef struct {…};
 
void i2c_master_configure_default( i2c_master_config_t *config );
 
err_t i2c_master_open( i2c_master_t *obj, i2c_master_config_t *config );
 
err_t i2c_master_set_speed( i2c_master_t *obj, uint32_t speed );
 
err_t i2c_master_set_timeout( i2c_master_t *obj, uint16_t timeout_pass_count );
 
err_t i2c_master_set_slave_address( i2c_master_t *obj, uint8_t address );
 
err_t i2c_master_write( i2c_master_t *obj, uint8_t *write_data_buf, size_t len_write_data );
 
err_t i2c_master_read( i2c_master_t *obj, uint8_t *read_data_buf, size_t len_read_data );
 
err_t i2c_master_write_then_read( i2c_master_t *obj, uint8_t *write_data_buf, size_t len_write_data, uint8_t *read_data_buf, size_t len_read_data );
 
err_t i2c_master_close( i2c_master_t *obj );
 
 // drvi2cgroup
 // drvgroup
 // pergroup
 
#ifdef __cplusplus
}
#endif
 
#endif // _DRV_I2C_MASTER_H_
// ------------------------------------------------------------------------- END