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77707e32
编写于
6月 09, 2015
作者:
pangweishende
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
[BSP]update the serial driver.
Signed-off-by:
pangwei
<
271372443@qq.com
>
上级
0ac07f9f
变更
9
展开全部
显示空白变更内容
内联
并排
Showing
9 changed file
with
522 addition
and
1047 deletion
+522
-1047
bsp/stm32f107/drivers/SConscript
bsp/stm32f107/drivers/SConscript
+14
-7
bsp/stm32f107/drivers/board.c
bsp/stm32f107/drivers/board.c
+1
-0
bsp/stm32f107/drivers/serial.c
bsp/stm32f107/drivers/serial.c
+0
-418
bsp/stm32f107/drivers/serial.h
bsp/stm32f107/drivers/serial.h
+0
-70
bsp/stm32f107/drivers/stm32f10x_it.c
bsp/stm32f107/drivers/stm32f10x_it.c
+0
-81
bsp/stm32f107/drivers/usart.c
bsp/stm32f107/drivers/usart.c
+272
-279
bsp/stm32f107/drivers/usart.h
bsp/stm32f107/drivers/usart.h
+3
-0
bsp/stm32f107/project.uvproj
bsp/stm32f107/project.uvproj
+227
-192
bsp/stm32f107/rtconfig.h
bsp/stm32f107/rtconfig.h
+5
-0
未找到文件。
bsp/stm32f107/drivers/SConscript
浏览文件 @
77707e32
...
...
@@ -3,15 +3,22 @@ Import('rtconfig')
from
building
import
*
cwd
=
os
.
path
.
join
(
str
(
Dir
(
'#'
)),
'drivers'
)
src
=
Glob
(
'*.c'
)
# remove no need file.
if
GetDepend
(
'RT_USING_LWIP'
)
==
False
:
SrcRemove
(
src
,
'stm32_eth.c'
)
# add the general drivers.
src
=
Split
(
"""
board.c
stm32f10x_it.c
usart.c
platform.c
"""
)
if
GetDepend
(
'RT_USING_SPI'
)
==
False
:
SrcRemove
(
src
,
'rt_stm32f10x_spi.c'
)
SrcRemove
(
src
,
'msd.c'
)
# add Ethernet drivers.
if
GetDepend
(
'RT_USING_LWIP'
):
src
+=
[
'stm32_eth.c'
]
if
GetDepend
(
'RT_USING_SPI'
):
src
+=
[
'rt_stm32f10x_spi.c'
]
src
+=
[
'msd.c'
]
CPPPATH
=
[
cwd
]
...
...
bsp/stm32f107/drivers/board.c
浏览文件 @
77707e32
...
...
@@ -15,6 +15,7 @@
#include <rthw.h>
#include <rtthread.h>
#include "board.h"
#include "usart.h"
/**
* @addtogroup STM32
...
...
bsp/stm32f107/drivers/serial.c
已删除
100644 → 0
浏览文件 @
0ac07f9f
/*
* File : serial.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2009, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2009-02-05 Bernard first version
* 2009-10-25 Bernard fix rt_serial_read bug when there is no data
* in the buffer.
* 2010-03-29 Bernard cleanup code.
*/
#include "serial.h"
#include <stm32f10x_dma.h>
#include <stm32f10x_usart.h>
static
void
rt_serial_enable_dma
(
DMA_Channel_TypeDef
*
dma_channel
,
rt_uint32_t
address
,
rt_uint32_t
size
);
/**
* @addtogroup STM32
*/
/*@{*/
/* RT-Thread Device Interface */
static
rt_err_t
rt_serial_init
(
rt_device_t
dev
)
{
struct
stm32_serial_device
*
uart
=
(
struct
stm32_serial_device
*
)
dev
->
user_data
;
if
(
!
(
dev
->
flag
&
RT_DEVICE_FLAG_ACTIVATED
))
{
if
(
dev
->
flag
&
RT_DEVICE_FLAG_INT_RX
)
{
rt_memset
(
uart
->
int_rx
->
rx_buffer
,
0
,
sizeof
(
uart
->
int_rx
->
rx_buffer
));
uart
->
int_rx
->
read_index
=
0
;
uart
->
int_rx
->
save_index
=
0
;
}
if
(
dev
->
flag
&
RT_DEVICE_FLAG_DMA_TX
)
{
RT_ASSERT
(
uart
->
dma_tx
->
dma_channel
!=
RT_NULL
);
uart
->
dma_tx
->
list_head
=
uart
->
dma_tx
->
list_tail
=
RT_NULL
;
/* init data node memory pool */
rt_mp_init
(
&
(
uart
->
dma_tx
->
data_node_mp
),
"dn"
,
uart
->
dma_tx
->
data_node_mem_pool
,
sizeof
(
uart
->
dma_tx
->
data_node_mem_pool
),
sizeof
(
struct
stm32_serial_data_node
));
}
/* Enable USART */
USART_Cmd
(
uart
->
uart_device
,
ENABLE
);
dev
->
flag
|=
RT_DEVICE_FLAG_ACTIVATED
;
}
return
RT_EOK
;
}
static
rt_err_t
rt_serial_open
(
rt_device_t
dev
,
rt_uint16_t
oflag
)
{
return
RT_EOK
;
}
static
rt_err_t
rt_serial_close
(
rt_device_t
dev
)
{
return
RT_EOK
;
}
static
rt_size_t
rt_serial_read
(
rt_device_t
dev
,
rt_off_t
pos
,
void
*
buffer
,
rt_size_t
size
)
{
rt_uint8_t
*
ptr
;
rt_err_t
err_code
;
struct
stm32_serial_device
*
uart
;
ptr
=
buffer
;
err_code
=
RT_EOK
;
uart
=
(
struct
stm32_serial_device
*
)
dev
->
user_data
;
if
(
dev
->
flag
&
RT_DEVICE_FLAG_INT_RX
)
{
/* interrupt mode Rx */
while
(
size
)
{
rt_base_t
level
;
/* disable interrupt */
level
=
rt_hw_interrupt_disable
();
if
(
uart
->
int_rx
->
read_index
!=
uart
->
int_rx
->
save_index
)
{
/* read a character */
*
ptr
++
=
uart
->
int_rx
->
rx_buffer
[
uart
->
int_rx
->
read_index
];
size
--
;
/* move to next position */
uart
->
int_rx
->
read_index
++
;
if
(
uart
->
int_rx
->
read_index
>=
UART_RX_BUFFER_SIZE
)
uart
->
int_rx
->
read_index
=
0
;
}
else
{
/* set error code */
err_code
=
-
RT_EEMPTY
;
/* enable interrupt */
rt_hw_interrupt_enable
(
level
);
break
;
}
/* enable interrupt */
rt_hw_interrupt_enable
(
level
);
}
}
else
{
/* polling mode */
while
((
rt_uint32_t
)
ptr
-
(
rt_uint32_t
)
buffer
<
size
)
{
while
(
uart
->
uart_device
->
SR
&
USART_FLAG_RXNE
)
{
*
ptr
=
uart
->
uart_device
->
DR
&
0xff
;
ptr
++
;
}
}
}
/* set error code */
rt_set_errno
(
err_code
);
return
(
rt_uint32_t
)
ptr
-
(
rt_uint32_t
)
buffer
;
}
static
void
rt_serial_enable_dma
(
DMA_Channel_TypeDef
*
dma_channel
,
rt_uint32_t
address
,
rt_uint32_t
size
)
{
RT_ASSERT
(
dma_channel
!=
RT_NULL
);
/* disable DMA */
DMA_Cmd
(
dma_channel
,
DISABLE
);
/* set buffer address */
dma_channel
->
CMAR
=
address
;
/* set size */
dma_channel
->
CNDTR
=
size
;
/* enable DMA */
DMA_Cmd
(
dma_channel
,
ENABLE
);
}
static
rt_size_t
rt_serial_write
(
rt_device_t
dev
,
rt_off_t
pos
,
const
void
*
buffer
,
rt_size_t
size
)
{
rt_uint8_t
*
ptr
;
rt_err_t
err_code
;
struct
stm32_serial_device
*
uart
;
err_code
=
RT_EOK
;
ptr
=
(
rt_uint8_t
*
)
buffer
;
uart
=
(
struct
stm32_serial_device
*
)
dev
->
user_data
;
if
(
dev
->
flag
&
RT_DEVICE_FLAG_INT_TX
)
{
/* interrupt mode Tx, does not support */
RT_ASSERT
(
0
);
}
else
if
(
dev
->
flag
&
RT_DEVICE_FLAG_DMA_TX
)
{
/* DMA mode Tx */
/* allocate a data node */
struct
stm32_serial_data_node
*
data_node
=
(
struct
stm32_serial_data_node
*
)
rt_mp_alloc
(
&
(
uart
->
dma_tx
->
data_node_mp
),
RT_WAITING_FOREVER
);
if
(
data_node
==
RT_NULL
)
{
/* set error code */
err_code
=
-
RT_ENOMEM
;
}
else
{
rt_uint32_t
level
;
/* fill data node */
data_node
->
data_ptr
=
ptr
;
data_node
->
data_size
=
size
;
/* insert to data link */
data_node
->
next
=
RT_NULL
;
/* disable interrupt */
level
=
rt_hw_interrupt_disable
();
data_node
->
prev
=
uart
->
dma_tx
->
list_tail
;
if
(
uart
->
dma_tx
->
list_tail
!=
RT_NULL
)
uart
->
dma_tx
->
list_tail
->
next
=
data_node
;
uart
->
dma_tx
->
list_tail
=
data_node
;
if
(
uart
->
dma_tx
->
list_head
==
RT_NULL
)
{
/* start DMA to transmit data */
uart
->
dma_tx
->
list_head
=
data_node
;
/* Enable DMA Channel */
rt_serial_enable_dma
(
uart
->
dma_tx
->
dma_channel
,
(
rt_uint32_t
)
uart
->
dma_tx
->
list_head
->
data_ptr
,
uart
->
dma_tx
->
list_head
->
data_size
);
}
/* enable interrupt */
rt_hw_interrupt_enable
(
level
);
}
}
else
{
/* polling mode */
if
(
dev
->
flag
&
RT_DEVICE_FLAG_STREAM
)
{
/* stream mode */
while
(
size
)
{
if
(
*
ptr
==
'\n'
)
{
while
(
!
(
uart
->
uart_device
->
SR
&
USART_FLAG_TXE
));
uart
->
uart_device
->
DR
=
'\r'
;
}
while
(
!
(
uart
->
uart_device
->
SR
&
USART_FLAG_TXE
));
uart
->
uart_device
->
DR
=
(
*
ptr
&
0x1FF
);
++
ptr
;
--
size
;
}
}
else
{
/* write data directly */
while
(
size
)
{
while
(
!
(
uart
->
uart_device
->
SR
&
USART_FLAG_TXE
));
uart
->
uart_device
->
DR
=
(
*
ptr
&
0x1FF
);
++
ptr
;
--
size
;
}
}
}
/* set error code */
rt_set_errno
(
err_code
);
return
(
rt_uint32_t
)
ptr
-
(
rt_uint32_t
)
buffer
;
}
static
rt_err_t
rt_serial_control
(
rt_device_t
dev
,
rt_uint8_t
cmd
,
void
*
args
)
{
struct
stm32_serial_device
*
uart
;
RT_ASSERT
(
dev
!=
RT_NULL
);
uart
=
(
struct
stm32_serial_device
*
)
dev
->
user_data
;
switch
(
cmd
)
{
case
RT_DEVICE_CTRL_SUSPEND
:
/* suspend device */
dev
->
flag
|=
RT_DEVICE_FLAG_SUSPENDED
;
USART_Cmd
(
uart
->
uart_device
,
DISABLE
);
break
;
case
RT_DEVICE_CTRL_RESUME
:
/* resume device */
dev
->
flag
&=
~
RT_DEVICE_FLAG_SUSPENDED
;
USART_Cmd
(
uart
->
uart_device
,
ENABLE
);
break
;
}
return
RT_EOK
;
}
/*
* serial register for STM32
* support STM32F103VB and STM32F103ZE
*/
rt_err_t
rt_hw_serial_register
(
rt_device_t
device
,
const
char
*
name
,
rt_uint32_t
flag
,
struct
stm32_serial_device
*
serial
)
{
RT_ASSERT
(
device
!=
RT_NULL
);
if
((
flag
&
RT_DEVICE_FLAG_DMA_RX
)
||
(
flag
&
RT_DEVICE_FLAG_INT_TX
))
{
RT_ASSERT
(
0
);
}
device
->
type
=
RT_Device_Class_Char
;
device
->
rx_indicate
=
RT_NULL
;
device
->
tx_complete
=
RT_NULL
;
device
->
init
=
rt_serial_init
;
device
->
open
=
rt_serial_open
;
device
->
close
=
rt_serial_close
;
device
->
read
=
rt_serial_read
;
device
->
write
=
rt_serial_write
;
device
->
control
=
rt_serial_control
;
device
->
user_data
=
serial
;
/* register a character device */
return
rt_device_register
(
device
,
name
,
RT_DEVICE_FLAG_RDWR
|
flag
);
}
/* ISR for serial interrupt */
void
rt_hw_serial_isr
(
rt_device_t
device
)
{
struct
stm32_serial_device
*
uart
=
(
struct
stm32_serial_device
*
)
device
->
user_data
;
if
(
USART_GetITStatus
(
uart
->
uart_device
,
USART_IT_RXNE
)
!=
RESET
)
{
/* interrupt mode receive */
RT_ASSERT
(
device
->
flag
&
RT_DEVICE_FLAG_INT_RX
);
/* save on rx buffer */
while
(
uart
->
uart_device
->
SR
&
USART_FLAG_RXNE
)
{
rt_base_t
level
;
/* disable interrupt */
level
=
rt_hw_interrupt_disable
();
/* save character */
uart
->
int_rx
->
rx_buffer
[
uart
->
int_rx
->
save_index
]
=
uart
->
uart_device
->
DR
&
0xff
;
uart
->
int_rx
->
save_index
++
;
if
(
uart
->
int_rx
->
save_index
>=
UART_RX_BUFFER_SIZE
)
uart
->
int_rx
->
save_index
=
0
;
/* if the next position is read index, discard this 'read char' */
if
(
uart
->
int_rx
->
save_index
==
uart
->
int_rx
->
read_index
)
{
uart
->
int_rx
->
read_index
++
;
if
(
uart
->
int_rx
->
read_index
>=
UART_RX_BUFFER_SIZE
)
uart
->
int_rx
->
read_index
=
0
;
}
/* enable interrupt */
rt_hw_interrupt_enable
(
level
);
}
/* clear interrupt */
USART_ClearITPendingBit
(
uart
->
uart_device
,
USART_IT_RXNE
);
/* invoke callback */
if
(
device
->
rx_indicate
!=
RT_NULL
)
{
rt_size_t
rx_length
;
/* get rx length */
rx_length
=
uart
->
int_rx
->
read_index
>
uart
->
int_rx
->
save_index
?
UART_RX_BUFFER_SIZE
-
uart
->
int_rx
->
read_index
+
uart
->
int_rx
->
save_index
:
uart
->
int_rx
->
save_index
-
uart
->
int_rx
->
read_index
;
device
->
rx_indicate
(
device
,
rx_length
);
}
}
if
(
USART_GetITStatus
(
uart
->
uart_device
,
USART_IT_TC
)
!=
RESET
)
{
/* clear interrupt */
USART_ClearITPendingBit
(
uart
->
uart_device
,
USART_IT_TC
);
}
}
/*
* ISR for DMA mode Tx
*/
void
rt_hw_serial_dma_tx_isr
(
rt_device_t
device
)
{
rt_uint32_t
level
;
struct
stm32_serial_data_node
*
data_node
;
struct
stm32_serial_device
*
uart
=
(
struct
stm32_serial_device
*
)
device
->
user_data
;
/* DMA mode receive */
RT_ASSERT
(
device
->
flag
&
RT_DEVICE_FLAG_DMA_TX
);
/* get the first data node */
data_node
=
uart
->
dma_tx
->
list_head
;
RT_ASSERT
(
data_node
!=
RT_NULL
);
/* invoke call to notify tx complete */
if
(
device
->
tx_complete
!=
RT_NULL
)
device
->
tx_complete
(
device
,
data_node
->
data_ptr
);
/* disable interrupt */
level
=
rt_hw_interrupt_disable
();
/* remove list head */
uart
->
dma_tx
->
list_head
=
data_node
->
next
;
if
(
uart
->
dma_tx
->
list_head
==
RT_NULL
)
/* data link empty */
uart
->
dma_tx
->
list_tail
=
RT_NULL
;
/* enable interrupt */
rt_hw_interrupt_enable
(
level
);
/* release data node memory */
rt_mp_free
(
data_node
);
if
(
uart
->
dma_tx
->
list_head
!=
RT_NULL
)
{
/* transmit next data node */
rt_serial_enable_dma
(
uart
->
dma_tx
->
dma_channel
,
(
rt_uint32_t
)
uart
->
dma_tx
->
list_head
->
data_ptr
,
uart
->
dma_tx
->
list_head
->
data_size
);
}
else
{
/* no data to be transmitted, disable DMA */
DMA_Cmd
(
uart
->
dma_tx
->
dma_channel
,
DISABLE
);
}
}
/*@}*/
bsp/stm32f107/drivers/serial.h
已删除
100644 → 0
浏览文件 @
0ac07f9f
/*
* File : serial.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2009 - 2010, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2009-01-05 Bernard first version
* 2010-03-29 Bernard remove interrupt tx and DMA rx mode.
*/
#ifndef __RT_HW_SERIAL_H__
#define __RT_HW_SERIAL_H__
#include <rthw.h>
#include <rtthread.h>
/* STM32F10x library definitions */
#include <stm32f10x.h>
#define UART_RX_BUFFER_SIZE 128
#define UART_TX_DMA_NODE_SIZE 4
/* data node for Tx Mode */
struct
stm32_serial_data_node
{
rt_uint8_t
*
data_ptr
;
rt_size_t
data_size
;
struct
stm32_serial_data_node
*
next
,
*
prev
;
};
struct
stm32_serial_dma_tx
{
/* DMA Channel */
DMA_Channel_TypeDef
*
dma_channel
;
/* data list head and tail */
struct
stm32_serial_data_node
*
list_head
,
*
list_tail
;
/* data node memory pool */
struct
rt_mempool
data_node_mp
;
rt_uint8_t
data_node_mem_pool
[
UART_TX_DMA_NODE_SIZE
*
(
sizeof
(
struct
stm32_serial_data_node
)
+
sizeof
(
void
*
))];
};
struct
stm32_serial_int_rx
{
rt_uint8_t
rx_buffer
[
UART_RX_BUFFER_SIZE
];
rt_uint32_t
read_index
,
save_index
;
};
struct
stm32_serial_device
{
USART_TypeDef
*
uart_device
;
/* rx structure */
struct
stm32_serial_int_rx
*
int_rx
;
/* tx structure */
struct
stm32_serial_dma_tx
*
dma_tx
;
};
rt_err_t
rt_hw_serial_register
(
rt_device_t
device
,
const
char
*
name
,
rt_uint32_t
flag
,
struct
stm32_serial_device
*
serial
);
void
rt_hw_serial_isr
(
rt_device_t
device
);
void
rt_hw_serial_dma_tx_isr
(
rt_device_t
device
);
#endif
bsp/stm32f107/drivers/stm32f10x_it.c
浏览文件 @
77707e32
...
...
@@ -107,85 +107,4 @@ void DebugMon_Handler(void)
{
}
/******************************************************************************/
/* STM32F10x Peripherals Interrupt Handlers */
/* Add here the Interrupt Handler for the used peripheral(s) (PPP), for the */
/* available peripheral interrupt handler's name please refer to the startup */
/* file (startup_stm32f10x_xx.s). */
/******************************************************************************/
/*******************************************************************************
* Function Name : USART1_IRQHandler
* Description : This function handles USART1 global interrupt request.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void
USART1_IRQHandler
(
void
)
{
#ifdef RT_USING_UART1
extern
struct
rt_device
uart1_device
;
extern
void
rt_hw_serial_isr
(
struct
rt_device
*
device
);
/* enter interrupt */
rt_interrupt_enter
();
rt_hw_serial_isr
(
&
uart1_device
);
/* leave interrupt */
rt_interrupt_leave
();
#endif
}
/*******************************************************************************
* Function Name : USART2_IRQHandler
* Description : This function handles USART2 global interrupt request.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void
USART2_IRQHandler
(
void
)
{
#ifdef RT_USING_UART2
extern
struct
rt_device
uart2_device
;
extern
void
rt_hw_serial_isr
(
struct
rt_device
*
device
);
/* enter interrupt */
rt_interrupt_enter
();
rt_hw_serial_isr
(
&
uart2_device
);
/* leave interrupt */
rt_interrupt_leave
();
#endif
}
/*******************************************************************************
* Function Name : USART3_IRQHandler
* Description : This function handles USART3 global interrupt request.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void
USART3_IRQHandler
(
void
)
{
#ifdef RT_USING_UART3
extern
struct
rt_device
uart3_device
;
extern
void
rt_hw_serial_isr
(
struct
rt_device
*
device
);
/* enter interrupt */
rt_interrupt_enter
();
rt_hw_serial_isr
(
&
uart3_device
);
/* leave interrupt */
rt_interrupt_leave
();
#endif
}
/**
* @}
*/
/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/
bsp/stm32f107/drivers/usart.c
浏览文件 @
77707e32
/*
* File : usart.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 200
9
, RT-Thread Development Team
* COPYRIGHT (C) 200
6-2013
, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
...
...
@@ -11,109 +11,234 @@
* Date Author Notes
* 2009-01-05 Bernard the first version
* 2010-03-29 Bernard remove interrupt Tx and DMA Rx mode
* 2013-05-13 aozima update for kehong-lingtai.
* 2015-01-31 armink make sure the serial transmit complete in putc()
*/
#include
<board.h>
#include
"stm32f10x.h"
#include "usart.h"
#include
<serial.h>
#include <
stm32f10x_dma
.h>
#include
"board.h"
#include <
rtdevice
.h>
/*
* Use UART1 as console output and finsh input
* interrupt Rx and poll Tx (stream mode)
*
* Use UART2 with interrupt Rx and poll Tx
* Use UART3 with DMA Tx and interrupt Rx -- DMA channel 2
*
* USART DMA setting on STM32
* USART1 Tx --> DMA Channel 4
* USART1 Rx --> DMA Channel 5
* USART2 Tx --> DMA Channel 7
* USART2 Rx --> DMA Channel 6
* USART3 Tx --> DMA Channel 2
* USART3 Rx --> DMA Channel 3
*/
#ifdef RT_USING_UART1
struct
stm32_serial_int_rx
uart1_int_rx
;
struct
stm32_serial_device
uart1
=
{
USART1
,
&
uart1_int_rx
,
RT_NULL
};
struct
rt_device
uart1_device
;
#endif
#ifdef RT_USING_UART2
struct
stm32_serial_int_rx
uart2_int_rx
;
struct
stm32_serial_device
uart2
=
{
USART2
,
&
uart2_int_rx
,
RT_NULL
};
struct
rt_device
uart2_device
;
#endif
#ifdef RT_USING_UART3
struct
stm32_serial_int_rx
uart3_int_rx
;
struct
stm32_serial_dma_tx
uart3_dma_tx
;
struct
stm32_serial_device
uart3
=
{
USART3
,
&
uart3_int_rx
,
&
uart3_dma_tx
};
struct
rt_device
uart3_device
;
#endif
#define USART1_DR_Base 0x40013804
#define USART2_DR_Base 0x40004404
#define USART3_DR_Base 0x40004804
/* USART1_REMAP = 0 */
/* USART1 */
#define UART1_GPIO_TX GPIO_Pin_9
#define UART1_GPIO_RX GPIO_Pin_10
#define UART1_GPIO GPIOA
#define RCC_APBPeriph_UART1 RCC_APB2Periph_USART1
#define UART1_TX_DMA DMA1_Channel4
#define UART1_RX_DMA DMA1_Channel5
/* USART2 */
#if defined(STM32F10X_LD) || defined(STM32F10X_MD) || defined(STM32F10X_CL)
#define UART2_GPIO_TX GPIO_Pin_5
#define UART2_GPIO_RX GPIO_Pin_6
#define UART2_GPIO GPIOD
#define RCC_APBPeriph_UART2 RCC_APB1Periph_USART2
#else
/* for STM32F10X_HD */
/* USART2_REMAP = 0 */
#define UART2_GPIO_TX GPIO_Pin_2
#define UART2_GPIO_RX GPIO_Pin_3
#define UART2_GPIO GPIOA
#define RCC_APBPeriph_UART2 RCC_APB1Periph_USART2
#define UART2_TX_DMA DMA1_Channel7
#define UART2_RX_DMA DMA1_Channel6
#endif
/* USART3_REMAP[1:0] = 00 */
#define UART3_GPIO_RX GPIO_Pin_11
#define UART3_GPIO_TX GPIO_Pin_10
#define UART3_GPIO GPIOB
#define RCC_APBPeriph_UART3 RCC_APB1Periph_USART3
#define UART3_TX_DMA DMA1_Channel2
#define UART3_RX_DMA DMA1_Channel3
/* STM32 uart driver */
struct
stm32_uart
{
USART_TypeDef
*
uart_device
;
IRQn_Type
irq
;
};
static
rt_err_t
stm32_configure
(
struct
rt_serial_device
*
serial
,
struct
serial_configure
*
cfg
)
{
struct
stm32_uart
*
uart
;
USART_InitTypeDef
USART_InitStructure
;
RT_ASSERT
(
serial
!=
RT_NULL
);
RT_ASSERT
(
cfg
!=
RT_NULL
);
uart
=
(
struct
stm32_uart
*
)
serial
->
parent
.
user_data
;
USART_InitStructure
.
USART_BaudRate
=
cfg
->
baud_rate
;
if
(
cfg
->
data_bits
==
DATA_BITS_8
){
USART_InitStructure
.
USART_WordLength
=
USART_WordLength_8b
;
}
else
if
(
cfg
->
data_bits
==
DATA_BITS_9
)
{
USART_InitStructure
.
USART_WordLength
=
USART_WordLength_9b
;
}
if
(
cfg
->
stop_bits
==
STOP_BITS_1
){
USART_InitStructure
.
USART_StopBits
=
USART_StopBits_1
;
}
else
if
(
cfg
->
stop_bits
==
STOP_BITS_2
){
USART_InitStructure
.
USART_StopBits
=
USART_StopBits_2
;
}
if
(
cfg
->
parity
==
PARITY_NONE
){
USART_InitStructure
.
USART_Parity
=
USART_Parity_No
;
}
else
if
(
cfg
->
parity
==
PARITY_ODD
)
{
USART_InitStructure
.
USART_Parity
=
USART_Parity_Odd
;
}
else
if
(
cfg
->
parity
==
PARITY_EVEN
)
{
USART_InitStructure
.
USART_Parity
=
USART_Parity_Even
;
}
USART_InitStructure
.
USART_HardwareFlowControl
=
USART_HardwareFlowControl_None
;
USART_InitStructure
.
USART_Mode
=
USART_Mode_Rx
|
USART_Mode_Tx
;
USART_Init
(
uart
->
uart_device
,
&
USART_InitStructure
);
/* Enable USART */
USART_Cmd
(
uart
->
uart_device
,
ENABLE
);
return
RT_EOK
;
}
static
rt_err_t
stm32_control
(
struct
rt_serial_device
*
serial
,
int
cmd
,
void
*
arg
)
{
struct
stm32_uart
*
uart
;
RT_ASSERT
(
serial
!=
RT_NULL
);
uart
=
(
struct
stm32_uart
*
)
serial
->
parent
.
user_data
;
switch
(
cmd
)
{
/* disable interrupt */
case
RT_DEVICE_CTRL_CLR_INT
:
/* disable rx irq */
UART_DISABLE_IRQ
(
uart
->
irq
);
/* disable interrupt */
USART_ITConfig
(
uart
->
uart_device
,
USART_IT_RXNE
,
DISABLE
);
break
;
/* enable interrupt */
case
RT_DEVICE_CTRL_SET_INT
:
/* enable rx irq */
UART_ENABLE_IRQ
(
uart
->
irq
);
/* enable interrupt */
USART_ITConfig
(
uart
->
uart_device
,
USART_IT_RXNE
,
ENABLE
);
break
;
}
return
RT_EOK
;
}
static
int
stm32_putc
(
struct
rt_serial_device
*
serial
,
char
c
)
{
struct
stm32_uart
*
uart
;
RT_ASSERT
(
serial
!=
RT_NULL
);
uart
=
(
struct
stm32_uart
*
)
serial
->
parent
.
user_data
;
uart
->
uart_device
->
DR
=
c
;
while
(
!
(
uart
->
uart_device
->
SR
&
USART_FLAG_TC
));
return
1
;
}
static
int
stm32_getc
(
struct
rt_serial_device
*
serial
)
{
int
ch
;
struct
stm32_uart
*
uart
;
RT_ASSERT
(
serial
!=
RT_NULL
);
uart
=
(
struct
stm32_uart
*
)
serial
->
parent
.
user_data
;
ch
=
-
1
;
if
(
uart
->
uart_device
->
SR
&
USART_FLAG_RXNE
)
{
ch
=
uart
->
uart_device
->
DR
&
0xff
;
}
return
ch
;
}
static
const
struct
rt_uart_ops
stm32_uart_ops
=
{
stm32_configure
,
stm32_control
,
stm32_putc
,
stm32_getc
,
};
#if defined(RT_USING_UART1)
/* UART1 device driver structure */
struct
stm32_uart
uart1
=
{
USART1
,
USART1_IRQn
,
};
struct
rt_serial_device
serial1
;
void
USART1_IRQHandler
(
void
)
{
struct
stm32_uart
*
uart
;
uart
=
&
uart1
;
/* enter interrupt */
rt_interrupt_enter
();
if
(
USART_GetITStatus
(
uart
->
uart_device
,
USART_IT_RXNE
)
!=
RESET
)
{
rt_hw_serial_isr
(
&
serial1
,
RT_SERIAL_EVENT_RX_IND
);
/* clear interrupt */
USART_ClearITPendingBit
(
uart
->
uart_device
,
USART_IT_RXNE
);
}
if
(
USART_GetITStatus
(
uart
->
uart_device
,
USART_IT_TC
)
!=
RESET
)
{
/* clear interrupt */
USART_ClearITPendingBit
(
uart
->
uart_device
,
USART_IT_TC
);
}
if
(
USART_GetFlagStatus
(
uart
->
uart_device
,
USART_FLAG_ORE
)
==
SET
)
{
stm32_getc
(
&
serial1
);
}
/* leave interrupt */
rt_interrupt_leave
();
}
#endif
/* RT_USING_UART1 */
#if defined(RT_USING_UART2)
/* UART1 device driver structure */
struct
stm32_uart
uart2
=
{
USART2
,
USART2_IRQn
,
};
struct
rt_serial_device
serial2
;
void
USART2_IRQHandler
(
void
)
{
struct
stm32_uart
*
uart
;
uart
=
&
uart2
;
/* enter interrupt */
rt_interrupt_enter
();
if
(
USART_GetITStatus
(
uart
->
uart_device
,
USART_IT_RXNE
)
!=
RESET
)
{
rt_hw_serial_isr
(
&
serial2
,
RT_SERIAL_EVENT_RX_IND
);
/* clear interrupt */
USART_ClearITPendingBit
(
uart
->
uart_device
,
USART_IT_RXNE
);
}
if
(
USART_GetITStatus
(
uart
->
uart_device
,
USART_IT_TC
)
!=
RESET
)
{
/* clear interrupt */
USART_ClearITPendingBit
(
uart
->
uart_device
,
USART_IT_TC
);
}
if
(
USART_GetFlagStatus
(
uart
->
uart_device
,
USART_FLAG_ORE
)
==
SET
)
{
stm32_getc
(
&
serial2
);
}
/* leave interrupt */
rt_interrupt_leave
();
}
#endif
/* RT_USING_UART2 */
static
void
RCC_Configuration
(
void
)
{
RCC_APB2PeriphClockCmd
(
RCC_APB2Periph_AFIO
,
ENABLE
);
#ifdef RT_USING_UART1
/* Enable USART1 and GPIOA clocks */
RCC_APB2PeriphClockCmd
(
RCC_APB2Periph_USART1
|
RCC_APB2Periph_GPIOA
,
ENABLE
);
#endif
#ifdef RT_USING_UART2
#if defined(RT_USING_UART1)
RCC_APB2PeriphClockCmd
(
RCC_APB2Periph_GPIOA
,
ENABLE
);
RCC_APB2PeriphClockCmd
(
RCC_APB2Periph_USART1
,
ENABLE
);
#endif
/* RT_USING_UART1 */
#if defined(RT_USING_UART2)
#if (defined(STM32F10X_LD) || defined(STM32F10X_MD) || defined(STM32F10X_CL))
/* Enable AFIO and GPIOD clock */
RCC_APB2PeriphClockCmd
(
RCC_APB2Periph_AFIO
|
RCC_APB2Periph_GPIOD
,
ENABLE
);
...
...
@@ -125,218 +250,86 @@ static void RCC_Configuration(void)
RCC_APB2PeriphClockCmd
(
RCC_APB2Periph_AFIO
|
RCC_APB2Periph_GPIOA
,
ENABLE
);
#endif
/* Enable USART2 clock */
RCC_APB1PeriphClockCmd
(
RCC_APB1Periph_USART2
,
ENABLE
);
#endif
#ifdef RT_USING_UART3
RCC_APB2PeriphClockCmd
(
RCC_APB2Periph_GPIOB
,
ENABLE
);
/* Enable USART3 clock */
RCC_APB1PeriphClockCmd
(
RCC_APB1Periph_USART3
,
ENABLE
);
/* DMA clock enable */
RCC_AHBPeriphClockCmd
(
RCC_AHBPeriph_DMA1
,
ENABLE
);
#endif
#endif
/* RT_USING_UART2 */
}
static
void
GPIO_Configuration
(
void
)
{
GPIO_InitTypeDef
GPIO_InitStructure
;
#ifdef RT_USING_UART1
GPIO_InitStructure
.
GPIO_Speed
=
GPIO_Speed_50MHz
;
#if defined(RT_USING_UART1)
/* Configure USART1 Rx (PA.10) as input floating */
GPIO_InitStructure
.
GPIO_Pin
=
UART1_GPIO_RX
;
GPIO_InitStructure
.
GPIO_Mode
=
GPIO_Mode_IN_FLOATING
;
GPIO_InitStructure
.
GPIO_Pin
=
UART1_GPIO_RX
;
GPIO_Init
(
UART1_GPIO
,
&
GPIO_InitStructure
);
/* Configure USART1 Tx (PA.09) as alternate function push-pull */
GPIO_InitStructure
.
GPIO_Pin
=
UART1_GPIO_TX
;
GPIO_InitStructure
.
GPIO_Speed
=
GPIO_Speed_50MHz
;
GPIO_InitStructure
.
GPIO_Mode
=
GPIO_Mode_AF_PP
;
GPIO_InitStructure
.
GPIO_Pin
=
UART1_GPIO_TX
;
GPIO_Init
(
UART1_GPIO
,
&
GPIO_InitStructure
);
#endif
#endif
/* RT_USING_UART1 */
#ifdef RT_USING_UART2
/* Configure USART2 Rx as input floating */
GPIO_InitStructure
.
GPIO_Pin
=
UART2_GPIO_RX
;
#if defined(RT_USING_UART2)
GPIO_InitStructure
.
GPIO_Mode
=
GPIO_Mode_IN_FLOATING
;
GPIO_InitStructure
.
GPIO_Pin
=
UART2_GPIO_RX
;
GPIO_Init
(
UART2_GPIO
,
&
GPIO_InitStructure
);
/* Configure USART2 Tx as alternate function push-pull */
GPIO_InitStructure
.
GPIO_Pin
=
UART2_GPIO_TX
;
GPIO_InitStructure
.
GPIO_Mode
=
GPIO_Mode_AF_PP
;
GPIO_InitStructure
.
GPIO_Speed
=
GPIO_Speed_50MHz
;
GPIO_InitStructure
.
GPIO_Pin
=
UART2_GPIO_TX
;
GPIO_Init
(
UART2_GPIO
,
&
GPIO_InitStructure
);
#endif
#ifdef RT_USING_UART3
/* Configure USART3 Rx as input floating */
GPIO_InitStructure
.
GPIO_Pin
=
UART3_GPIO_RX
;
GPIO_InitStructure
.
GPIO_Mode
=
GPIO_Mode_IN_FLOATING
;
GPIO_Init
(
UART3_GPIO
,
&
GPIO_InitStructure
);
/* Configure USART3 Tx as alternate function push-pull */
GPIO_InitStructure
.
GPIO_Pin
=
UART3_GPIO_TX
;
GPIO_InitStructure
.
GPIO_Mode
=
GPIO_Mode_AF_PP
;
GPIO_InitStructure
.
GPIO_Speed
=
GPIO_Speed_50MHz
;
GPIO_Init
(
UART3_GPIO
,
&
GPIO_InitStructure
);
#endif
#endif
/* RT_USING_UART2 */
}
static
void
NVIC_Configuration
(
void
)
static
void
NVIC_Configuration
(
struct
stm32_uart
*
uart
)
{
NVIC_InitTypeDef
NVIC_InitStructure
;
#ifdef RT_USING_UART1
/* Enable the USART1 Interrupt */
NVIC_InitStructure
.
NVIC_IRQChannel
=
USART1_IRQn
;
NVIC_InitStructure
.
NVIC_IRQChannelPreemptionPriority
=
1
;
NVIC_InitStructure
.
NVIC_IRQChannelSubPriority
=
1
;
NVIC_InitStructure
.
NVIC_IRQChannelCmd
=
ENABLE
;
NVIC_Init
(
&
NVIC_InitStructure
);
#endif
#ifdef RT_USING_UART2
/* Enable the USART2 Interrupt */
NVIC_InitStructure
.
NVIC_IRQChannel
=
USART2_IRQn
;
NVIC_InitStructure
.
NVIC_IRQChannelPreemptionPriority
=
1
;
NVIC_InitStructure
.
NVIC_IRQChannelSubPriority
=
1
;
NVIC_InitStructure
.
NVIC_IRQChannelCmd
=
ENABLE
;
NVIC_Init
(
&
NVIC_InitStructure
);
#endif
#ifdef RT_USING_UART3
/* Enable the USART3 Interrupt */
NVIC_InitStructure
.
NVIC_IRQChannel
=
USART3_IRQn
;
NVIC_InitStructure
.
NVIC_IRQChannelPreemptionPriority
=
1
;
NVIC_InitStructure
.
NVIC_IRQChannelSubPriority
=
1
;
NVIC_InitStructure
.
NVIC_IRQChannelCmd
=
ENABLE
;
NVIC_Init
(
&
NVIC_InitStructure
);
/* Enable the DMA1 Channel2 Interrupt */
NVIC_InitStructure
.
NVIC_IRQChannel
=
DMA1_Channel2_IRQn
;
NVIC_InitStructure
.
NVIC_IRQChannelPreemptionPriority
=
1
;
NVIC_InitStructure
.
NVIC_IRQChannelSubPriority
=
1
;
NVIC_InitStructure
.
NVIC_IRQChannel
=
uart
->
irq
;
NVIC_InitStructure
.
NVIC_IRQChannelPreemptionPriority
=
0
;
NVIC_InitStructure
.
NVIC_IRQChannelSubPriority
=
0
;
NVIC_InitStructure
.
NVIC_IRQChannelCmd
=
ENABLE
;
NVIC_Init
(
&
NVIC_InitStructure
);
#endif
}
static
void
DMA_Configuration
(
void
)
{
#if defined (RT_USING_UART3)
DMA_InitTypeDef
DMA_InitStructure
;
/* fill init structure */
DMA_InitStructure
.
DMA_PeripheralInc
=
DMA_PeripheralInc_Disable
;
DMA_InitStructure
.
DMA_MemoryInc
=
DMA_MemoryInc_Enable
;
DMA_InitStructure
.
DMA_PeripheralDataSize
=
DMA_PeripheralDataSize_Byte
;
DMA_InitStructure
.
DMA_MemoryDataSize
=
DMA_MemoryDataSize_Byte
;
DMA_InitStructure
.
DMA_Mode
=
DMA_Mode_Normal
;
DMA_InitStructure
.
DMA_Priority
=
DMA_Priority_VeryHigh
;
DMA_InitStructure
.
DMA_M2M
=
DMA_M2M_Disable
;
/* DMA1 Channel5 (triggered by USART3 Tx event) Config */
DMA_DeInit
(
UART3_TX_DMA
);
DMA_InitStructure
.
DMA_PeripheralBaseAddr
=
USART3_DR_Base
;
DMA_InitStructure
.
DMA_DIR
=
DMA_DIR_PeripheralDST
;
DMA_InitStructure
.
DMA_MemoryBaseAddr
=
(
u32
)
0
;
DMA_InitStructure
.
DMA_BufferSize
=
0
;
DMA_Init
(
UART3_TX_DMA
,
&
DMA_InitStructure
);
DMA_ITConfig
(
UART3_TX_DMA
,
DMA_IT_TC
|
DMA_IT_TE
,
ENABLE
);
DMA_ClearFlag
(
DMA1_FLAG_TC5
);
#endif
}
/*
* Init all related hardware in here
* rt_hw_serial_init() will register all supported USART device
*/
void
rt_hw_usart_init
()
void
rt_hw_usart_init
(
void
)
{
USART_InitTypeDef
USART_InitStructure
;
USART_ClockInitTypeDef
USART_ClockInitStructure
;
struct
stm32_uart
*
uart
;
struct
serial_configure
config
=
RT_SERIAL_CONFIG_DEFAULT
;
RCC_Configuration
();
GPIO_Configuration
();
NVIC_Configuration
();
DMA_Configuration
();
/* uart init */
#ifdef RT_USING_UART1
USART_InitStructure
.
USART_BaudRate
=
115200
;
USART_InitStructure
.
USART_WordLength
=
USART_WordLength_8b
;
USART_InitStructure
.
USART_StopBits
=
USART_StopBits_1
;
USART_InitStructure
.
USART_Parity
=
USART_Parity_No
;
USART_InitStructure
.
USART_HardwareFlowControl
=
USART_HardwareFlowControl_None
;
USART_InitStructure
.
USART_Mode
=
USART_Mode_Rx
|
USART_Mode_Tx
;
USART_ClockInitStructure
.
USART_Clock
=
USART_Clock_Disable
;
USART_ClockInitStructure
.
USART_CPOL
=
USART_CPOL_Low
;
USART_ClockInitStructure
.
USART_CPHA
=
USART_CPHA_2Edge
;
USART_ClockInitStructure
.
USART_LastBit
=
USART_LastBit_Disable
;
USART_Init
(
USART1
,
&
USART_InitStructure
);
USART_ClockInit
(
USART1
,
&
USART_ClockInitStructure
);
/* register uart1 */
rt_hw_serial_register
(
&
uart1_device
,
"uart1"
,
RT_DEVICE_FLAG_RDWR
|
RT_DEVICE_FLAG_INT_RX
|
RT_DEVICE_FLAG_STREAM
,
&
uart1
);
#if defined(RT_USING_UART1)
uart
=
&
uart1
;
config
.
baud_rate
=
BAUD_RATE_115200
;
/* enable interrupt */
USART_ITConfig
(
USART1
,
USART_IT_RXNE
,
ENABLE
);
#endif
serial1
.
ops
=
&
stm32_uart_ops
;
serial1
.
config
=
config
;
#ifdef RT_USING_UART2
USART_InitStructure
.
USART_BaudRate
=
115200
;
USART_InitStructure
.
USART_WordLength
=
USART_WordLength_8b
;
USART_InitStructure
.
USART_StopBits
=
USART_StopBits_1
;
USART_InitStructure
.
USART_Parity
=
USART_Parity_No
;
USART_InitStructure
.
USART_HardwareFlowControl
=
USART_HardwareFlowControl_None
;
USART_InitStructure
.
USART_Mode
=
USART_Mode_Rx
|
USART_Mode_Tx
;
USART_ClockInitStructure
.
USART_Clock
=
USART_Clock_Disable
;
USART_ClockInitStructure
.
USART_CPOL
=
USART_CPOL_Low
;
USART_ClockInitStructure
.
USART_CPHA
=
USART_CPHA_2Edge
;
USART_ClockInitStructure
.
USART_LastBit
=
USART_LastBit_Disable
;
USART_Init
(
USART2
,
&
USART_InitStructure
);
USART_ClockInit
(
USART2
,
&
USART_ClockInitStructure
);
/* register uart2 */
rt_hw_serial_register
(
&
uart2_device
,
"uart2"
,
RT_DEVICE_FLAG_RDWR
|
RT_DEVICE_FLAG_INT_RX
|
RT_DEVICE_FLAG_STREAM
,
&
uart2
);
/* Enable USART2 DMA Rx request */
USART_ITConfig
(
USART2
,
USART_IT_RXNE
,
ENABLE
);
#endif
NVIC_Configuration
(
&
uart1
);
#ifdef RT_USING_UART3
USART_InitStructure
.
USART_BaudRate
=
115200
;
USART_InitStructure
.
USART_WordLength
=
USART_WordLength_8b
;
USART_InitStructure
.
USART_StopBits
=
USART_StopBits_1
;
USART_InitStructure
.
USART_Parity
=
USART_Parity_No
;
USART_InitStructure
.
USART_HardwareFlowControl
=
USART_HardwareFlowControl_None
;
USART_InitStructure
.
USART_Mode
=
USART_Mode_Rx
|
USART_Mode_Tx
;
USART_ClockInitStructure
.
USART_Clock
=
USART_Clock_Disable
;
USART_ClockInitStructure
.
USART_CPOL
=
USART_CPOL_Low
;
USART_ClockInitStructure
.
USART_CPHA
=
USART_CPHA_2Edge
;
USART_ClockInitStructure
.
USART_LastBit
=
USART_LastBit_Disable
;
USART_Init
(
USART3
,
&
USART_InitStructure
);
USART_ClockInit
(
USART3
,
&
USART_ClockInitStructure
);
/* register UART1 device */
rt_hw_serial_register
(
&
serial1
,
"uart1"
,
RT_DEVICE_FLAG_RDWR
|
RT_DEVICE_FLAG_INT_RX
,
uart
);
#endif
/* RT_USING_UART1 */
uart3_dma_tx
.
dma_channel
=
UART3_TX_DMA
;
#if defined(RT_USING_UART2)
uart
=
&
uart2
;
/* register uart3 */
rt_hw_serial_register
(
&
uart3_device
,
"uart3"
,
RT_DEVICE_FLAG_RDWR
|
RT_DEVICE_FLAG_INT_RX
|
RT_DEVICE_FLAG_DMA_TX
,
&
uart3
);
config
.
baud_rate
=
BAUD_RATE_115200
;
serial2
.
ops
=
&
stm32_uart_ops
;
serial2
.
config
=
config
;
/* Enable USART3 DMA Tx request */
USART_DMACmd
(
USART3
,
USART_DMAReq_Tx
,
ENABLE
);
NVIC_Configuration
(
&
uart2
);
/* enable interrupt */
USART_ITConfig
(
USART3
,
USART_IT_RXNE
,
ENABLE
);
#endif
/* register UART1 device */
rt_hw_serial_register
(
&
serial2
,
"uart2"
,
RT_DEVICE_FLAG_RDWR
|
RT_DEVICE_FLAG_INT_RX
,
uart
);
#endif
/* RT_USING_UART2 */
}
bsp/stm32f107/drivers/usart.h
浏览文件 @
77707e32
...
...
@@ -18,6 +18,9 @@
#include <rthw.h>
#include <rtthread.h>
#define UART_ENABLE_IRQ(n) NVIC_EnableIRQ((n))
#define UART_DISABLE_IRQ(n) NVIC_DisableIRQ((n))
void
rt_hw_usart_init
(
void
);
#endif
bsp/stm32f107/project.uvproj
浏览文件 @
77707e32
此差异已折叠。
点击以展开。
bsp/stm32f107/rtconfig.h
浏览文件 @
77707e32
...
...
@@ -58,6 +58,11 @@
/* SECTION: Device System */
/* Using Device System */
#define RT_USING_DEVICE
// <bool name="RT_USING_DEVICE_IPC" description="Using device communication" default="true" />
#define RT_USING_DEVICE_IPC
// <bool name="RT_USING_SERIAL" description="Using Serial" default="true" />
#define RT_USING_SERIAL
#define RT_USING_SPI
/* SECTION: Console options */
...
...
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