/*
 * cm_pcf8574_driver.h
 *
 *  Created on: 29. jan. 2024
 *      Author: Chris
 */

#ifndef PCF8574_IO_EXPANDER_CM_PCF8574_DRIVER_H_
#define PCF8574_IO_EXPANDER_CM_PCF8574_DRIVER_H_

#include "stdint.h"

enum{
	CM_PCF8574_OK = 0,
	CM_PCF8574_NOK
};

enum{
	CM_PCF8574_I2C_GET = 0,
	CM_PCF8574_I2C_SET = 1,

};

typedef int (*setGet_I2C_Event_fpt)(void *inst, uint8_t *data, uint32_t len, uint8_t set_get);


typedef struct{

	uint8_t B0 : 1;
	uint8_t B1 : 1;
	uint8_t B2 : 1;
	uint8_t B3 : 1;
	uint8_t B4 : 1;
	uint8_t B5 : 1;
	uint8_t B6 : 1;
	uint8_t B7 : 1;

}cm_io_port_t;

typedef struct{
	void *i2c_inst;
	setGet_I2C_Event_fpt i2c_transfer_evt;

	cm_io_port_t Port_1;


}cm_pcf8574_t;

int cm_pcf8574_SetPort(cm_pcf8574_t *inst, uint8_t port_val);
int cm_pcf8574_RegTransEvt(cm_pcf8574_t *inst, void *i2c_inst, setGet_I2C_Event_fpt i2c_transfer_evt);
int cm_pcf8574_Init(cm_pcf8574_t *inst);

#endif /* PCF8574_IO_EXPANDER_CM_PCF8574_DRIVER_H_ */