i2c_master.h

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#ifndef __I2C_MASTER_H__
#define __I2C_MASTER_H__
 
#include "esp_err.h"
#include "i2c_bus.h"
#include "esp_log.h"


#define I2C_MASTER_SCL_IO  (8)        
#define I2C_MASTER_SDA_IO  (7)        
#define I2C_MASTER_NUM     I2C_NUM_0  
#define I2C_MASTER_FREQ_HZ (100000)   
 
#ifdef __cplusplus
extern "C" {
#endif

typedef float i2c_freq_t;

typedef uint8_t i2c_sda_t;

typedef uint8_t i2c_scl_t;

i2c_bus_handle_t i2c_master_bus_init(
    i2c_port_t p,
    i2c_sda_t d,
    i2c_scl_t c,
    i2c_freq_t f
);

esp_err_t i2c_master_bus_scan(i2c_bus_handle_t bus);

void i2c_master_bus_deinit(i2c_bus_handle_t bus);
 
#ifdef __cplusplus
}
#endif
 // end of i2c_master group
 
#endif // __I2C_MASTER_H__