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
{
 I2C_MASTER_SPEED_STANDARD = 0, 
 I2C_MASTER_SPEED_FULL, 
 I2C_MASTER_SPEED_FAST 
} i2c_master_speed_t;
 
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
{
 handle_t handle; 
 i2c_master_config_t config; 
} i2c_master_t;
 
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