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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
*2023-03-28 Zxy first version
*/
#ifndef __DRV_HW_I2C_H__
#define __DRV_HW_I2C_H__
#include <rtthread.h>
#include <rtdevice.h>
#include "sdkconfig.h"
#define WRITE_BIT I2C_MASTER_WRITE /*!< I2C master write */
#define READ_BIT I2C_MASTER_READ /*!< I2C master read */
#define ACK_CHECK_EN 0x1 /*!< I2C master will check ack from slave*/
#define ACK_CHECK_DIS 0x0 /*!< I2C master will not check ack from slave */
#define ACK_VAL 0x0 /*!< I2C ack value */
#define NACK_VAL 0x1 /*!< I2C nack value */
#define _I2C_NUMBER(num) I2C_NUM_##num
#define I2C_NUMBER(num) _I2C_NUMBER(num)
#define I2C_MASTER_NUM I2C_NUMBER(0) /*!< I2C port number for master dev */
#define I2C_MASTER_SCL_IO CONFIG_I2C_MASTER_SCL /*!< gpio number for I2C master clock */
#define I2C_MASTER_SDA_IO CONFIG_I2C_MASTER_SDA /*!< gpio number for I2C master data */
#define CONFIG_I2C_MASTER_SCL 6
#define CONFIG_I2C_MASTER_SDA 5
int rt_hw_i2c_init(void);
#endif /* __DRV_HW_I2C_H__ */
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