rt-thread-official/bsp/hc32l136/drivers/drv_usart.h

75 lines
2.0 KiB
C

/*
* Copyright (C) 2021, Huada Semiconductor Co., Ltd.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-08-19 pjq first version
*/
#ifndef __DRV_USART_H__
#define __DRV_USART_H__
/*******************************************************************************
* Include files
******************************************************************************/
#include <rtthread.h>
#include "rtdevice.h"
#include "ddl.h"
#include "uart.h"
/* C binding of definitions if building with C++ compiler */
#ifdef __cplusplus
extern "C"
{
#endif
/*******************************************************************************
* Global type definitions ('typedef')
******************************************************************************/
/* HC32 config uart class */
struct hc32_uart_config
{
const char *name;
rt_uint8_t idx;
rt_uint16_t uart_dma_flag;
struct rt_serial_device serial;
};
/* stm32 uart dirver class */
struct hc32_uart
{
struct hc32_uart_config *config;
#ifdef RT_SERIAL_USING_DMA
#endif
rt_uint16_t uart_dma_flag;
struct rt_serial_device serial;
};
/*******************************************************************************
* Global pre-processor symbols/macros ('#define')
******************************************************************************/
/*******************************************************************************
* Global variable definitions ('extern')
******************************************************************************/
/*******************************************************************************
* Global function prototypes (definition in C source)
******************************************************************************/
int rt_hw_uart_init(void);
#ifdef __cplusplus
}
#endif
#endif /* __DRV_USART_H__ */
/*******************************************************************************
* EOF (not truncated)
******************************************************************************/