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#pragma once

#include <stdint.h>
#include <nuttx/config.h>
#include <nuttx/ioexpander/gpio.h>
#include <lib/drivers/mcp_common/CallbackHandler.hpp>

#ifndef CONFIG_DEV_GPIO
#  error "CONFIG_DEV_GPIO is required to use MCP GPIO expander, enable it in your NuttX config"
#endif

struct mcp_gpio_dev_s {
	struct gpio_dev_s gpio;
	uint16_t mask;
	bool registered = false;
	CallbackHandler *callback_handler;
};

int mcp230XX_register_gpios(uint8_t i2c_bus, uint8_t i2c_addr, int first_minor = 0, uint16_t dir_mask = 0x0000, int num_pins = 8,
			    uint8_t device_type = 0, mcp_gpio_dev_s *_gpio = nullptr);
int mcp230XX_unregister_gpios(int first_minor = 0, int num_pins = 0, mcp_gpio_dev_s *_gpio = nullptr);
