i2c__bus_8h_source.html

#pragma once


#include "esp_err.h"

#include "driver/i2c_master.h"


#define I2C_BUS_FREQ_HZ (400 * 1000)


esp_err_t i2c_bus_init(i2c_master_bus_handle_t *out_handle);


i2c_master_bus_handle_t i2c_bus_handle(void);


void i2c_bus_scan(i2c_master_bus_handle_t bus);


i2c_bus_init
esp_err_t i2c_bus_init(i2c_master_bus_handle_t *out_handle)
Initialize the shared I2C master bus on the board's SDA/SCL pins.
Definition i2c_bus.c:18

i2c_bus_scan
void i2c_bus_scan(i2c_master_bus_handle_t bus)
Probe 0x08..0x77 and log every ACKing address. Bring-up helper.
Definition i2c_bus.c:40

i2c_bus_handle
i2c_master_bus_handle_t i2c_bus_handle(void)
The shared bus handle cached by i2c_bus_init().
Definition i2c_bus.c:35