86 lines
2.1 KiB
C
86 lines
2.1 KiB
C
/*
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* Copyright (c) 2022-2024, Xiaohua Semiconductor Co., Ltd.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2024-02-20 CDT first version
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*/
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#ifndef __TCA9539_H__
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#define __TCA9539_H__
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#include <rtdevice.h>
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/**
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* @defgroup TCA9539_REGISTER_Definition TCA9539 Register Definition
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* @{
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*/
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#define TCA9539_REG_INPUT_PORT0 (0x00U)
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#define TCA9539_REG_INPUT_PORT1 (0x01U)
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#define TCA9539_REG_OUTPUT_PORT0 (0x02U)
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#define TCA9539_REG_OUTPUT_PORT1 (0x03U)
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#define TCA9539_REG_INVERT_PORT0 (0x04U)
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#define TCA9539_REG_INVERT_PORT1 (0x05U)
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#define TCA9539_REG_CONFIG_PORT0 (0x06U)
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#define TCA9539_REG_CONFIG_PORT1 (0x07U)
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/**
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* @}
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*/
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/**
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* @defgroup TCA9539_Port_Definition TCA9539 Port Definition
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* @{
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*/
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#define TCA9539_IO_PORT0 (0x00U)
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#define TCA9539_IO_PORT1 (0x01U)
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/**
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* @}
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*/
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/**
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* @defgroup TCA9539_Pin_Definition TCA9539 Pin Definition
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* @{
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*/
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#define TCA9539_IO_PIN0 (0x01U)
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#define TCA9539_IO_PIN1 (0x02U)
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#define TCA9539_IO_PIN2 (0x04U)
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#define TCA9539_IO_PIN3 (0x08U)
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#define TCA9539_IO_PIN4 (0x10U)
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#define TCA9539_IO_PIN5 (0x20U)
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#define TCA9539_IO_PIN6 (0x40U)
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#define TCA9539_IO_PIN7 (0x80U)
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#define TCA9539_IO_PIN_ALL (0xFFU)
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/**
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* @}
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*/
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/**
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* @defgroup TCA9539_Direction_Definition TCA9539 Direction Definition
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* @{
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*/
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#define TCA9539_DIR_OUT (0x00U)
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#define TCA9539_DIR_IN (0x01U)
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/**
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* @}
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*/
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/**
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* @defgroup TCA9539_Pin_State_Definition TCA9539 Pin State Definition
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* @{
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*/
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#define TCA9539_PIN_RESET (0x00U)
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#define TCA9539_PIN_SET (0x01U)
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/**
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* @}
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*/
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int TCA9539_Init(void);
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rt_err_t TCA9539_WritePin(uint8_t u8Port, uint8_t u8Pin, uint8_t u8PinState);
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rt_err_t TCA9539_ReadPin(uint8_t u8Port, uint8_t u8Pin, uint8_t *pu8PinState);
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rt_err_t TCA9539_TogglePin(uint8_t u8Port, uint8_t u8Pin);
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rt_err_t TCA9539_ConfigPin(uint8_t u8Port, uint8_t u8Pin, uint8_t u8Dir);
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#endif
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