blob: ebd6a717f07182b3816118c0b4642b4df6bdd630 (
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
52
53
54
55
56
57
58
59
60
61
62
|
/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018.10.30 SummerGift first version
*/
#ifndef __DRV_USART_H__
#define __DRV_USART_H__
#include <rtthread.h>
#include "rtdevice.h"
#include <rthw.h>
#include <drv_common.h>
#include "drv_dma.h"
int rt_hw_usart_init(void);
#if defined(SOC_SERIES_STM32F0) || defined(SOC_SERIES_STM32F1) || defined(SOC_SERIES_STM32L4) \
|| defined(SOC_SERIES_STM32G0)
#define DMA_INSTANCE_TYPE DMA_Channel_TypeDef
#elif defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7)
#define DMA_INSTANCE_TYPE DMA_Stream_TypeDef
#endif /* defined(SOC_SERIES_STM32F1) || defined(SOC_SERIES_STM32L4) */
#if defined(SOC_SERIES_STM32F1) || defined(SOC_SERIES_STM32L4) || defined(SOC_SERIES_STM32F4) \
|| defined(SOC_SERIES_STM32G0)
#define UART_INSTANCE_CLEAR_FUNCTION __HAL_UART_CLEAR_FLAG
#elif defined(SOC_SERIES_STM32F7) || defined(SOC_SERIES_STM32F0)
#define UART_INSTANCE_CLEAR_FUNCTION __HAL_UART_CLEAR_IT
#endif
/* stm32 config class */
struct stm32_uart_config
{
const char *name;
USART_TypeDef *Instance;
IRQn_Type irq_type;
struct dma_config *dma_rx;
};
/* stm32 uart dirver class */
struct stm32_uart
{
UART_HandleTypeDef handle;
struct stm32_uart_config *config;
#ifdef RT_SERIAL_USING_DMA
struct
{
DMA_HandleTypeDef handle;
rt_size_t last_index;
} dma;
#endif
rt_uint8_t uart_dma_flag;
struct rt_serial_device serial;
};
#endif /* __DRV_USART_H__ */
|
