0015 TCA9554 GPIO rev01a

#include "TCA9554.h"

TCA9554_HandleTypeDef GPIO_expander1 =
{
    .hi2c = &hi2c1,              // CubeMX I2C configuration
    .address = TCA9554_ADDRESS,  // Defined in header file
    .io_configuration = 0x00,    // 0 = Output, 1 = Input
    .io_states = 0x00,           // 0 = Low, 1 = High
    .pol_inversion = 0x00        // No polarity inversion
};

TCA9554_init(&GPIO_expander1);

uint8_t read_status = 0;
bool pin_status[8] = {0};

//Write to specific pin
for(int i = 0; i < 8; i++){
		  TCA9554_set_pin(&GPIO_expander1, i, true);
		  HAL_Delay(100);
	  }


//Write state of all pins at once
for(uint8_t counter = 0; counter < UINT8_MAX; counter++){
  TCA9554_write(&GPIO_expander1, TCA9554_OUT_REG, counter);

  read_status = TCA9554_read(&GPIO_expander1, TCA9554_IN_REG);	//Read status of every pin
  for(uint8_t i = 0; i < 8; i++){
  pin_status[i] = TCA9554_read_pin(&GPIO_expander1, i); //Read status of single pin
}