Core2ForAWS_Port_A_I2C_Close

void Core2ForAWS_Port_A_I2C_Close(I2CDevice_t device);

Frees the configuration pointer to the I2C peripheral connected on port A.

This function frees the allocated memory for the pointer that holds the configuration for the I2C device connected on expansion port A. I2C can have multiple peripherals connected on the same bus, using this function to close/free one will not impact the others.

Read more about I2C capabilities of the ESP32 microcontroller and available APIs in the ESP-IDF.

The example code allocates a I2C peripheral called port_A_peripheral of type I2CDevice_t at the standard baud rate. It then closes/frees that device configuration.

Example:

#include <stdio.h>
#include <stdlib.h>
#include <freertos/FreeRTOS.h>
#include <freertos/task.h>
#include "esp_log.h"
#include "core2forAWS.h"
 
#define DEVICE_ADDRESS 0xA0 >> 1
 
static const char *TAG = "MAIN";
 
void app_main()
{
    Core2ForAWS_Init();
 
    I2CDevice_t port_A_peripheral = Core2ForAWS_Port_A_I2C_Begin(DEVICE_ADDRESS, PORT_A_I2C_STANDARD_BAUD);
    Core2ForAWS_Port_A_I2C_Close(port_A_peripheral);
}

Parameters

[in]

device

The device configuration pointer.