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c5543593
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c5543593
编写于
6月 28, 2019
作者:
B
Bernard Xiong
提交者:
GitHub
6月 28, 2019
浏览文件
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差异文件
Merge pull request #2819 from misonyo/rttdev
[bsp/imxrt]add can driver
上级
13947002
a1a3cf5f
变更
9
隐藏空白更改
内联
并排
Showing
9 changed file
with
526 addition
and
3 deletion
+526
-3
bsp/imxrt/Libraries/MIMXRT1050/SConscript
bsp/imxrt/Libraries/MIMXRT1050/SConscript
+1
-1
bsp/imxrt/Libraries/drivers/SConscript
bsp/imxrt/Libraries/drivers/SConscript
+3
-0
bsp/imxrt/Libraries/drivers/drv_can.c
bsp/imxrt/Libraries/drivers/drv_can.c
+461
-0
bsp/imxrt/Libraries/drivers/drv_can.h
bsp/imxrt/Libraries/drivers/drv_can.h
+16
-0
bsp/imxrt/imxrt1052-fire-pro/README.md
bsp/imxrt/imxrt1052-fire-pro/README.md
+1
-0
bsp/imxrt/imxrt1052-fire-pro/board/Kconfig
bsp/imxrt/imxrt1052-fire-pro/board/Kconfig
+11
-0
bsp/imxrt/imxrt1052-fire-pro/board/MCUX_Config/clock_config.c
...imxrt/imxrt1052-fire-pro/board/MCUX_Config/clock_config.c
+3
-2
bsp/imxrt/imxrt1052-fire-pro/board/MCUX_Config/pin_mux.c
bsp/imxrt/imxrt1052-fire-pro/board/MCUX_Config/pin_mux.c
+26
-0
bsp/imxrt/imxrt1052-fire-pro/rtconfig.h
bsp/imxrt/imxrt1052-fire-pro/rtconfig.h
+4
-0
未找到文件。
bsp/imxrt/Libraries/MIMXRT1050/SConscript
浏览文件 @
c5543593
...
...
@@ -55,7 +55,7 @@ if GetDepend(['BSP_USING_LCD']):
if
GetDepend
([
'RT_USING_USB_HOST'
])
or
GetDepend
([
'RT_USING_USB_DEVICE'
]):
src
+=
[
'MIMXRT1052/drivers/fsl_usdhc.c'
]
if
GetDepend
([
'
RT
_USING_CAN'
]):
if
GetDepend
([
'
BSP
_USING_CAN'
]):
src
+=
[
'MIMXRT1052/drivers/fsl_flexcan.c'
]
if
GetDepend
([
'BSP_USING_ETH'
]):
...
...
bsp/imxrt/Libraries/drivers/SConscript
浏览文件 @
c5543593
...
...
@@ -31,6 +31,9 @@ if GetDepend('BSP_USING_PWM'):
if
GetDepend
(
'BSP_USING_ADC'
):
src
+=
[
'drv_adc.c'
]
if
GetDepend
(
'BSP_USING_CAN'
):
src
+=
[
'drv_can.c'
]
if
GetDepend
(
'BSP_USING_SDRAM'
):
src
+=
[
'drv_sdram.c'
]
...
...
bsp/imxrt/Libraries/drivers/drv_can.c
0 → 100644
浏览文件 @
c5543593
/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-06-27 misonyo the first version.
*/
#include <rtthread.h>
#ifdef BSP_USING_CAN
#include <rtdevice.h>
#include "drv_can.h"
#include "fsl_common.h"
#include "fsl_iomuxc.h"
#include "fsl_flexcan.h"
#define LOG_TAG "drv.can"
#include <drv_log.h>
#if defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL
#error "Please don't define 'FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL'!"
#endif
#define RX_MB_COUNT 32
static
flexcan_frame_t
frame
[
RX_MB_COUNT
];
/* one frame buffer per RX MB */
static
rt_uint32_t
filter_mask
=
0
;
enum
{
#ifdef BSP_USING_CAN1
CAN1_INDEX
,
#endif
#ifdef BSP_USING_CAN2
CAN2_INDEX
,
#endif
};
struct
imxrt_can
{
char
*
name
;
CAN_Type
*
base
;
IRQn_Type
irqn
;
flexcan_handle_t
handle
;
struct
rt_can_device
can_dev
;
};
struct
imxrt_can
flexcans
[]
=
{
#ifdef BSP_USING_CAN1
{
.
name
=
"can1"
,
.
base
=
CAN1
,
.
irqn
=
CAN1_IRQn
,
},
#endif
#ifdef BSP_USING_CAN2
{
.
name
=
"can2"
,
.
base
=
CAN2
,
.
irqn
=
CAN2_IRQn
,
},
#endif
};
uint32_t
GetCanSrcFreq
(
void
)
{
uint32_t
freq
;
freq
=
(
CLOCK_GetFreq
(
kCLOCK_Usb1PllClk
)
/
6
)
/
(
CLOCK_GetDiv
(
kCLOCK_CanDiv
)
+
1U
);
return
freq
;
}
static
void
flexcan_callback
(
CAN_Type
*
base
,
flexcan_handle_t
*
handle
,
status_t
status
,
uint32_t
result
,
void
*
userData
)
{
struct
imxrt_can
*
can
;
flexcan_mb_transfer_t
rxXfer
;
can
=
(
struct
imxrt_can
*
)
userData
;
switch
(
status
)
{
case
kStatus_FLEXCAN_RxIdle
:
rt_hw_can_isr
(
&
can
->
can_dev
,
RT_CAN_EVENT_RX_IND
|
result
<<
8
);
rxXfer
.
frame
=
&
frame
[
result
-
1
];
rxXfer
.
mbIdx
=
result
;
FLEXCAN_TransferReceiveNonBlocking
(
can
->
base
,
&
can
->
handle
,
&
rxXfer
);
break
;
case
kStatus_FLEXCAN_TxIdle
:
rt_hw_can_isr
(
&
can
->
can_dev
,
RT_CAN_EVENT_TX_DONE
|
(
63
-
result
)
<<
8
);
break
;
case
kStatus_FLEXCAN_WakeUp
:
case
kStatus_FLEXCAN_ErrorStatus
:
if
((
result
>=
47
)
&&
(
result
<=
63
))
{
rt_hw_can_isr
(
&
can
->
can_dev
,
RT_CAN_EVENT_TX_FAIL
|
(
63
-
result
)
<<
8
);
}
break
;
case
kStatus_FLEXCAN_TxSwitchToRx
:
break
;
default:
break
;
}
}
static
rt_err_t
can_cfg
(
struct
rt_can_device
*
can_dev
,
struct
can_configure
*
cfg
)
{
struct
imxrt_can
*
can
;
flexcan_config_t
config
;
rt_uint32_t
res
=
RT_EOK
;
flexcan_rx_mb_config_t
mbConfig
;
flexcan_mb_transfer_t
rxXfer
;
rt_uint8_t
i
,
mailbox
;
RT_ASSERT
(
can_dev
!=
RT_NULL
);
RT_ASSERT
(
cfg
!=
RT_NULL
);
can
=
(
struct
imxrt_can
*
)
can_dev
->
parent
.
user_data
;
RT_ASSERT
(
can
!=
RT_NULL
);
FLEXCAN_GetDefaultConfig
(
&
config
);
config
.
baudRate
=
cfg
->
baud_rate
;
config
.
maxMbNum
=
64
;
/* all series have 64 MB */
config
.
enableIndividMask
=
true
;
/* one filter per MB */
switch
(
cfg
->
mode
)
{
case
RT_CAN_MODE_NORMAL
:
/* default mode */
break
;
case
RT_CAN_MODE_LISEN
:
break
;
case
RT_CAN_MODE_LOOPBACK
:
config
.
enableLoopBack
=
true
;
break
;
case
RT_CAN_MODE_LOOPBACKANLISEN
:
break
;
}
FLEXCAN_Init
(
can
->
base
,
&
config
,
GetCanSrcFreq
());
FLEXCAN_TransferCreateHandle
(
can
->
base
,
&
can
->
handle
,
flexcan_callback
,
can
);
/* init RX_MB_COUNT RX MB to default status */
mbConfig
.
format
=
kFLEXCAN_FrameFormatStandard
;
/* standard ID */
mbConfig
.
type
=
kFLEXCAN_FrameTypeData
;
/* data frame */
mbConfig
.
id
=
FLEXCAN_ID_STD
(
0
);
/* default ID is 0 */
for
(
i
=
0
;
i
<
RX_MB_COUNT
;
i
++
)
{
/* the used MB index from 1 to RX_MB_COUNT */
mailbox
=
i
+
1
;
/* all ID bit in the filter is "don't care" */
FLEXCAN_SetRxIndividualMask
(
can
->
base
,
mailbox
,
FLEXCAN_RX_MB_STD_MASK
(
0
,
0
,
0
));
FLEXCAN_SetRxMbConfig
(
can
->
base
,
mailbox
,
&
mbConfig
,
true
);
/* one frame buffer per MB */
rxXfer
.
frame
=
&
frame
[
i
];
rxXfer
.
mbIdx
=
mailbox
;
FLEXCAN_TransferReceiveNonBlocking
(
can
->
base
,
&
can
->
handle
,
&
rxXfer
);
}
return
res
;
}
static
rt_err_t
can_control
(
struct
rt_can_device
*
can_dev
,
int
cmd
,
void
*
arg
)
{
struct
imxrt_can
*
can
;
rt_uint32_t
argval
,
mask
;
rt_uint32_t
res
=
RT_EOK
;
flexcan_rx_mb_config_t
mbConfig
;
struct
rt_can_filter_config
*
cfg
;
struct
rt_can_filter_item
*
item
;
rt_uint8_t
i
,
count
,
index
;
RT_ASSERT
(
can_dev
!=
RT_NULL
);
can
=
(
struct
imxrt_can
*
)
can_dev
->
parent
.
user_data
;
RT_ASSERT
(
can
!=
RT_NULL
);
switch
(
cmd
)
{
case
RT_DEVICE_CTRL_SET_INT
:
argval
=
(
rt_uint32_t
)
arg
;
if
(
argval
==
RT_DEVICE_FLAG_INT_RX
)
{
mask
=
kFLEXCAN_RxWarningInterruptEnable
;
}
else
if
(
argval
==
RT_DEVICE_FLAG_INT_TX
)
{
mask
=
kFLEXCAN_TxWarningInterruptEnable
;
}
else
if
(
argval
==
RT_DEVICE_CAN_INT_ERR
)
{
mask
=
kFLEXCAN_ErrorInterruptEnable
;
}
FLEXCAN_EnableInterrupts
(
can
->
base
,
mask
);
NVIC_SetPriority
(
can
->
irqn
,
NVIC_EncodePriority
(
NVIC_GetPriorityGrouping
(),
5
,
0
));
EnableIRQ
(
can
->
irqn
);
break
;
case
RT_DEVICE_CTRL_CLR_INT
:
/* each CAN device have one IRQ number. */
DisableIRQ
(
can
->
irqn
);
break
;
case
RT_CAN_CMD_SET_FILTER
:
cfg
=
(
struct
rt_can_filter_config
*
)
arg
;
item
=
cfg
->
items
;
count
=
cfg
->
count
;
if
(
filter_mask
==
0xffffffff
)
{
LOG_E
(
"%s filter is full!
\n
"
,
can
->
name
);
res
=
RT_ERROR
;
break
;
}
else
if
(
filter_mask
==
0
)
{
/* deinit all init RX MB */
for
(
i
=
0
;
i
<
RX_MB_COUNT
;
i
++
)
{
FLEXCAN_SetRxMbConfig
(
can
->
base
,
i
+
1
,
RT_NULL
,
false
);
}
}
while
(
count
)
{
if
(
item
->
ide
)
{
mbConfig
.
format
=
kFLEXCAN_FrameFormatExtend
;
mbConfig
.
id
=
FLEXCAN_ID_EXT
(
item
->
id
);
mask
=
FLEXCAN_RX_MB_EXT_MASK
(
item
->
mask
,
0
,
0
);
}
else
{
mbConfig
.
format
=
kFLEXCAN_FrameFormatStandard
;
mbConfig
.
id
=
FLEXCAN_ID_STD
(
item
->
id
);
mask
=
FLEXCAN_RX_MB_STD_MASK
(
item
->
mask
,
0
,
0
);
}
if
(
item
->
rtr
)
{
mbConfig
.
type
=
kFLEXCAN_FrameTypeRemote
;
}
else
{
mbConfig
.
type
=
kFLEXCAN_FrameTypeData
;
}
/* user does not specify hdr index,set hdr from RX MB 1 */
if
(
item
->
hdr
==
-
1
)
{
for
(
i
=
0
;
i
<
32
;
i
++
)
{
if
(
!
(
filter_mask
&
(
1
<<
i
)))
{
index
=
i
;
break
;
}
}
}
else
/* use user specified hdr */
{
if
(
filter_mask
&
(
1
<<
item
->
hdr
))
{
res
=
RT_ERROR
;
LOG_E
(
"%s hdr%d filter already set!
\n
"
,
can
->
name
,
item
->
hdr
);
break
;
}
else
{
index
=
item
->
hdr
;
}
}
/* RX MB index from 1 to 32,hdr index 0~31 map RX MB index 1~32. */
FLEXCAN_SetRxIndividualMask
(
can
->
base
,
index
+
1
,
mask
);
FLEXCAN_SetRxMbConfig
(
can
->
base
,
index
+
1
,
&
mbConfig
,
true
);
filter_mask
|=
1
<<
index
;
item
++
;
count
--
;
}
break
;
case
RT_CAN_CMD_SET_BAUD
:
res
=
RT_ERROR
;
break
;
case
RT_CAN_CMD_SET_MODE
:
res
=
RT_ERROR
;
break
;
case
RT_CAN_CMD_SET_PRIV
:
res
=
RT_ERROR
;
break
;
case
RT_CAN_CMD_GET_STATUS
:
FLEXCAN_GetBusErrCount
(
can
->
base
,
(
rt_uint8_t
*
)(
&
can
->
can_dev
.
status
.
snderrcnt
),
(
rt_uint8_t
*
)(
&
can
->
can_dev
.
status
.
rcverrcnt
));
rt_memcpy
(
arg
,
&
can
->
can_dev
.
status
,
sizeof
(
can
->
can_dev
.
status
));
break
;
default:
res
=
RT_ERROR
;
break
;
}
return
res
;
}
static
int
can_send
(
struct
rt_can_device
*
can_dev
,
const
void
*
buf
,
rt_uint32_t
boxno
)
{
struct
imxrt_can
*
can
;
struct
rt_can_msg
*
msg
;
status_t
ret
;
flexcan_frame_t
frame
;
flexcan_mb_transfer_t
txXfer
;
rt_uint8_t
sendMB
;
RT_ASSERT
(
can_dev
!=
RT_NULL
);
RT_ASSERT
(
buf
!=
RT_NULL
);
can
=
(
struct
imxrt_can
*
)
can_dev
->
parent
.
user_data
;
msg
=
(
struct
rt_can_msg
*
)
buf
;
RT_ASSERT
(
can
!=
RT_NULL
);
RT_ASSERT
(
msg
!=
RT_NULL
);
/* use the last 16 MB to send msg */
sendMB
=
63
-
boxno
;
FLEXCAN_SetTxMbConfig
(
can
->
base
,
sendMB
,
true
);
if
(
RT_CAN_STDID
==
msg
->
ide
)
{
frame
.
id
=
FLEXCAN_ID_STD
(
msg
->
id
);
frame
.
format
=
kFLEXCAN_FrameFormatStandard
;
}
else
if
(
RT_CAN_EXTID
==
msg
->
ide
)
{
frame
.
id
=
FLEXCAN_ID_EXT
(
msg
->
id
);
frame
.
format
=
kFLEXCAN_FrameFormatExtend
;
}
if
(
RT_CAN_DTR
==
msg
->
rtr
)
{
frame
.
type
=
kFLEXCAN_FrameTypeData
;
}
else
if
(
RT_CAN_RTR
==
msg
->
rtr
)
{
frame
.
type
=
kFLEXCAN_FrameTypeRemote
;
}
frame
.
length
=
msg
->
len
;
frame
.
dataByte0
=
msg
->
data
[
0
];
frame
.
dataByte1
=
msg
->
data
[
1
];
frame
.
dataByte2
=
msg
->
data
[
2
];
frame
.
dataByte3
=
msg
->
data
[
3
];
frame
.
dataByte4
=
msg
->
data
[
4
];
frame
.
dataByte5
=
msg
->
data
[
5
];
frame
.
dataByte6
=
msg
->
data
[
6
];
frame
.
dataByte7
=
msg
->
data
[
7
];
txXfer
.
mbIdx
=
sendMB
;
txXfer
.
frame
=
&
frame
;
ret
=
FLEXCAN_TransferSendNonBlocking
(
can
->
base
,
&
can
->
handle
,
&
txXfer
);
switch
(
ret
)
{
case
kStatus_Success
:
ret
=
RT_EOK
;
break
;
case
kStatus_Fail
:
ret
=
RT_ERROR
;
break
;
case
kStatus_FLEXCAN_TxBusy
:
ret
=
RT_EBUSY
;
break
;
}
return
ret
;
}
static
int
can_recv
(
struct
rt_can_device
*
can_dev
,
void
*
buf
,
rt_uint32_t
boxno
)
{
struct
imxrt_can
*
can
;
struct
rt_can_msg
*
pmsg
;
rt_uint8_t
index
;
RT_ASSERT
(
can_dev
!=
RT_NULL
);
can
=
(
struct
imxrt_can
*
)
can_dev
->
parent
.
user_data
;
pmsg
=
(
struct
rt_can_msg
*
)
buf
;
RT_ASSERT
(
can
!=
RT_NULL
);
index
=
boxno
-
1
;
if
(
frame
[
index
].
format
==
kFLEXCAN_FrameFormatStandard
)
{
pmsg
->
ide
=
RT_CAN_STDID
;
pmsg
->
id
=
frame
[
index
].
id
>>
CAN_ID_STD_SHIFT
;
}
else
{
pmsg
->
ide
=
RT_CAN_EXTID
;
pmsg
->
id
=
frame
[
index
].
id
>>
CAN_ID_EXT_SHIFT
;
}
if
(
frame
[
index
].
type
==
kFLEXCAN_FrameTypeData
)
{
pmsg
->
rtr
=
RT_CAN_DTR
;
}
else
if
(
frame
[
index
].
type
==
kFLEXCAN_FrameTypeRemote
)
{
pmsg
->
rtr
=
RT_CAN_RTR
;
}
pmsg
->
hdr
=
index
;
/* one hdr filter per MB */
pmsg
->
len
=
frame
[
index
].
length
;
pmsg
->
data
[
0
]
=
frame
[
index
].
dataByte0
;
pmsg
->
data
[
1
]
=
frame
[
index
].
dataByte1
;
pmsg
->
data
[
2
]
=
frame
[
index
].
dataByte2
;
pmsg
->
data
[
3
]
=
frame
[
index
].
dataByte3
;
pmsg
->
data
[
4
]
=
frame
[
index
].
dataByte4
;
pmsg
->
data
[
5
]
=
frame
[
index
].
dataByte5
;
pmsg
->
data
[
6
]
=
frame
[
index
].
dataByte6
;
pmsg
->
data
[
7
]
=
frame
[
index
].
dataByte7
;
return
0
;
}
static
struct
rt_can_ops
imxrt_can_ops
=
{
.
configure
=
can_cfg
,
.
control
=
can_control
,
.
sendmsg
=
can_send
,
.
recvmsg
=
can_recv
,
};
int
rt_hw_can_init
(
void
)
{
int
i
;
rt_err_t
ret
=
RT_EOK
;
struct
can_configure
config
=
CANDEFAULTCONFIG
;
config
.
privmode
=
0
;
config
.
ticks
=
50
;
config
.
sndboxnumber
=
16
;
/* send Mailbox count */
config
.
msgboxsz
=
RX_MB_COUNT
;
/* RX msg buffer count */
#ifdef RT_CAN_USING_HDR
config
.
maxhdr
=
RX_MB_COUNT
;
/* filter count,one filter per MB */
#endif
for
(
i
=
0
;
i
<
sizeof
(
flexcans
)
/
sizeof
(
flexcans
[
0
]);
i
++
)
{
flexcans
[
i
].
can_dev
.
config
=
config
;
ret
=
rt_hw_can_register
(
&
flexcans
[
i
].
can_dev
,
flexcans
[
i
].
name
,
&
imxrt_can_ops
,
&
flexcans
[
i
]);
}
return
ret
;
}
INIT_BOARD_EXPORT
(
rt_hw_can_init
);
#endif
/* BSP_USING_CAN */
bsp/imxrt/Libraries/drivers/drv_can.h
0 → 100644
浏览文件 @
c5543593
/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-06-28 misonyo the first version.
*/
#ifndef DRV_SPI_H__
#define DRV_SPI_H__
int
rt_hw_can_init
(
void
);
#endif
/* DRV_SPI_H__ */
bsp/imxrt/imxrt1052-fire-pro/README.md
浏览文件 @
c5543593
...
...
@@ -54,6 +54,7 @@ i.MX RT1052 EVK Pro 是野火推出的一款基于 ARM Cortex-M7 内核的开发
| WDT | 支持 | |
| PWM | 支持 | |
| GPT | 支持 | |
| CAN | 支持 | CAN1 |
## 使用说明
...
...
bsp/imxrt/imxrt1052-fire-pro/board/Kconfig
浏览文件 @
c5543593
...
...
@@ -16,6 +16,17 @@ menu "On-chip Peripheral Drivers"
select RT_USING_PIN
default y
menuconfig BSP_USING_CAN
bool "Enable CAN"
select RT_USING_CAN
default n
if BSP_USING_CAN
config BSP_USING_CAN1
bool "Enable CAN1"
default y
endif
menuconfig BSP_USING_LPUART
bool "Enable UART"
select RT_USING_SERIAL
...
...
bsp/imxrt/imxrt1052-fire-pro/board/MCUX_Config/clock_config.c
浏览文件 @
c5543593
...
...
@@ -53,7 +53,7 @@ name: BOARD_BootClockRUN
called_from_default_init: true
outputs:
- {id: AHB_CLK_ROOT.outFreq, value: 600 MHz}
- {id: CAN_CLK_ROOT.outFreq, value:
4
0 MHz}
- {id: CAN_CLK_ROOT.outFreq, value:
2
0 MHz}
- {id: CKIL_SYNC_CLK_ROOT.outFreq, value: 32.768 kHz}
- {id: CLK_1M.outFreq, value: 1 MHz}
- {id: CLK_24M.outFreq, value: 24 MHz}
...
...
@@ -93,6 +93,7 @@ outputs:
settings:
- {id: CCM.AHB_PODF.scale, value: '1', locked: true}
- {id: CCM.ARM_PODF.scale, value: '2', locked: true}
- {id: CCM.CAN_CLK_PODF.scale, value: '4', locked: true}
- {id: CCM.FLEXSPI_PODF.scale, value: '1', locked: true}
- {id: CCM.FLEXSPI_SEL.sel, value: CCM_ANALOG.PLL3_PFD0_CLK}
- {id: CCM.LCDIF_PODF.scale, value: '8', locked: true}
...
...
@@ -297,7 +298,7 @@ void BOARD_BootClockRUN(void)
CLOCK_DisableClock
(
kCLOCK_Can1S
);
CLOCK_DisableClock
(
kCLOCK_Can2S
);
/* Set CAN_CLK_PODF. */
CLOCK_SetDiv
(
kCLOCK_CanDiv
,
1
);
CLOCK_SetDiv
(
kCLOCK_CanDiv
,
3
);
/* Set Can clock source. */
CLOCK_SetMux
(
kCLOCK_CanMux
,
2
);
/* Disable UART clock gate. */
...
...
bsp/imxrt/imxrt1052-fire-pro/board/MCUX_Config/pin_mux.c
浏览文件 @
c5543593
...
...
@@ -110,6 +110,32 @@ void BOARD_InitPins(void) {
IOMUXC_SetPinMux
(
IOMUXC_GPIO_B1_13_LPUART5_RX
,
/* GPIO_B1_13 is configured as LPUART5_RX */
0U
);
/* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux
(
IOMUXC_GPIO_AD_B0_14_FLEXCAN2_TX
,
/* GPIO_AD_B0_14 is configured as FLEXCAN2_TX */
1U
);
/* Software Input On Field: Force input path of pad GPIO_AD_B0_14 */
IOMUXC_SetPinMux
(
IOMUXC_GPIO_AD_B0_15_FLEXCAN2_RX
,
/* GPIO_AD_B0_15 is configured as FLEXCAN2_RX */
1U
);
/* Software Input On Field: Force input path of pad GPIO_AD_B0_15 */
IOMUXC_SetPinConfig
(
IOMUXC_GPIO_AD_B0_14_FLEXCAN2_TX
,
/* GPIO_AD_B0_14 PAD functional properties : */
0x10B0u
);
/* Slew Rate Field: Slow Slew Rate
Drive Strength Field: R0/6
Speed Field: medium(100MHz)
Open Drain Enable Field: Open Drain Disabled
Pull / Keep Enable Field: Pull/Keeper Enabled
Pull / Keep Select Field: Keeper
Pull Up / Down Config. Field: 100K Ohm Pull Down
Hyst. Enable Field: Hysteresis Disabled */
IOMUXC_SetPinConfig
(
IOMUXC_GPIO_AD_B0_15_FLEXCAN2_RX
,
/* GPIO_AD_B0_15 PAD functional properties : */
0x10B0u
);
/* Slew Rate Field: Slow Slew Rate
Drive Strength Field: R0/6
Speed Field: medium(100MHz)
Open Drain Enable Field: Open Drain Disabled
Pull / Keep Enable Field: Pull/Keeper Enabled
Pull / Keep Select Field: Keeper
Pull Up / Down Config. Field: 100K Ohm Pull Down
Hyst. Enable Field: Hysteresis Disabled */
}
/***********************************************************************************************************************
...
...
bsp/imxrt/imxrt1052-fire-pro/rtconfig.h
浏览文件 @
c5543593
...
...
@@ -78,6 +78,8 @@
#define RT_USING_SERIAL
#define RT_SERIAL_USING_DMA
#define RT_SERIAL_RB_BUFSZ 64
#define RT_USING_CAN
#define RT_CAN_USING_HDR
#define RT_USING_CPUTIME
#define RT_USING_PIN
...
...
@@ -158,6 +160,8 @@
/* On-chip Peripheral Drivers */
#define BSP_USING_GPIO
#define BSP_USING_CAN
#define BSP_USING_CAN2
#define BSP_USING_LPUART
#define BSP_USING_LPUART1
...
...
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