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// Copyright 2022 nirim000
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <stdint.h>
#include <stdbool.h>
/**
* Port ID
*/
typedef enum {
PCA9505_PORT0,
PCA9505_PORT1,
PCA9505_PORT2,
PCA9505_PORT3,
PCA9505_PORT4,
} pca9505_port_t;
/**
* Helpers for set_config
*/
enum {
ALL_NORMAL = 0,
ALL_INVERTED = 0xFF,
};
/**
* Helpers for set_config
*/
enum {
ALL_OUTPUT = 0,
ALL_INPUT = 0xFF,
};
/**
* Helpers for set_output
*/
enum {
ALL_LOW = 0,
ALL_HIGH = 0xFF,
};
/**
* Init expander and any other dependent drivers
*/
void pca9505_init(uint8_t slave_addr);
/**
* Configure input/output to a given port
*/
bool pca9505_set_config(uint8_t slave_addr, pca9505_port_t port, uint8_t conf);
/**
* Configure polarity to a given port
*/
bool pca9505_set_polarity(uint8_t slave_addr, pca9505_port_t port, uint8_t conf);
/**
* Write high/low to a given port
*/
bool pca9505_set_output(uint8_t slave_addr, pca9505_port_t port, uint8_t conf);
/**
* Read state of a given port
*/
bool pca9505_readPins(uint8_t slave_addr, pca9505_port_t port, uint8_t* ret);
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