blob: 1547997d0996c65a09010f35b541986355fac0d4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/*
* Copyright (c) 2020-2022, CQ 100ask Development Team
*
* Change Logs:
* Date Author Notes
* 2022-05-29 Alen first version
*/
#ifndef __DRV_USART_H__
#define __DRV_USART_H__
#include <rtthread.h>
#include "rtdevice.h"
#include <rthw.h>
#include <drv_common.h>
int rt_hw_uart_init(void);
#define DMA_INSTANCE_TYPE MA_Channel_TypeDef
#define UART_INSTANCE_CLEAR_FUNCTION __HAL_UART_CLEAR_FLAG
/* mm32 config class */
struct mm32_uart_config
{
const char *name;
UART_Type *Instance;
IRQn_Type irq_type;
struct dma_config *dma_rx;
struct dma_config *dma_tx;
};
/* mm32 uart dirver class */
struct mm32_uart
{
UART_Init_Type handle;
struct mm32_uart_config *config;
#ifdef RT_SERIAL_USING_DMA
struct
{
DMA_Type handle;
rt_size_t last_index;
} dma_rx;
#endif
rt_uint16_t uart_dma_flag;
struct rt_serial_device serial;
};
#endif /* __DRV_USART_H__ */
|
