i2c_bus.h

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#pragma once
 
#include <stdint.h>
 
#include "driver/i2c_master.h"
#include "esp_err.h"
 
#define I2C_BUS_PORT            I2C_NUM_0
#define I2C_BUS_SCL_GPIO        14
#define I2C_BUS_SDA_GPIO        15
#define I2C_BUS_FREQ_HZ         100000
#define I2C_BUS_TIMEOUT_MS      1000
 
esp_err_t i2c_bus_init(void);
 
i2c_master_bus_handle_t i2c_bus_handle(void);
 
esp_err_t i2c_bus_add_device(uint8_t addr7, i2c_master_dev_handle_t *dev);