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/*
 * Copyright (c) 2022-2024, Xiaohua Semiconductor Co., Ltd.
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2024-02-20     CDT          first version
 */

#ifndef __TCA9539_H__
#define __TCA9539_H__

#include <rtdevice.h>

/**
 * @defgroup TCA9539_REGISTER_Definition TCA9539 Register Definition
 * @{
 */
#define TCA9539_REG_INPUT_PORT0  (0x00U)
#define TCA9539_REG_INPUT_PORT1  (0x01U)
#define TCA9539_REG_OUTPUT_PORT0 (0x02U)
#define TCA9539_REG_OUTPUT_PORT1 (0x03U)
#define TCA9539_REG_INVERT_PORT0 (0x04U)
#define TCA9539_REG_INVERT_PORT1 (0x05U)
#define TCA9539_REG_CONFIG_PORT0 (0x06U)
#define TCA9539_REG_CONFIG_PORT1 (0x07U)
/**
 * @}
 */

/**
 * @defgroup TCA9539_Port_Definition TCA9539 Port Definition
 * @{
 */
#define TCA9539_IO_PORT0 (0x00U)
#define TCA9539_IO_PORT1 (0x01U)
/**
 * @}
 */

/**
 * @defgroup TCA9539_Pin_Definition TCA9539 Pin Definition
 * @{
 */
#define TCA9539_IO_PIN0    (0x01U)
#define TCA9539_IO_PIN1    (0x02U)
#define TCA9539_IO_PIN2    (0x04U)
#define TCA9539_IO_PIN3    (0x08U)
#define TCA9539_IO_PIN4    (0x10U)
#define TCA9539_IO_PIN5    (0x20U)
#define TCA9539_IO_PIN6    (0x40U)
#define TCA9539_IO_PIN7    (0x80U)
#define TCA9539_IO_PIN_ALL (0xFFU)
/**
 * @}
 */

/**
 * @defgroup TCA9539_Direction_Definition TCA9539 Direction Definition
 * @{
 */
#define TCA9539_DIR_OUT (0x00U)
#define TCA9539_DIR_IN  (0x01U)
/**
 * @}
 */

/**
 * @defgroup TCA9539_Pin_State_Definition TCA9539 Pin State Definition
 * @{
 */
#define TCA9539_PIN_RESET (0x00U)
#define TCA9539_PIN_SET   (0x01U)
/**
 * @}
 */

int TCA9539_Init(void);
rt_err_t TCA9539_WritePin(uint8_t u8Port, uint8_t u8Pin, uint8_t u8PinState);
rt_err_t TCA9539_ReadPin(uint8_t u8Port, uint8_t u8Pin, uint8_t *pu8PinState);
rt_err_t TCA9539_TogglePin(uint8_t u8Port, uint8_t u8Pin);
rt_err_t TCA9539_ConfigPin(uint8_t u8Port, uint8_t u8Pin, uint8_t u8Dir);

#endif