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rt-thread
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b5736b4b
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体验新版 GitCode,发现更多精彩内容 >>
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b5736b4b
编写于
7月 08, 2015
作者:
wuyangyong
浏览文件
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浏览文件
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电子邮件补丁
差异文件
[LPC4088] correct can driver compiler error and warnings.
上级
b15fb706
变更
1
显示空白变更内容
内联
并排
Showing
1 changed file
with
53 addition
and
20 deletion
+53
-20
bsp/lpc408x/drivers/drv_lpccan.c
bsp/lpc408x/drivers/drv_lpccan.c
+53
-20
未找到文件。
bsp/lpc408x/drivers/drv_lpccan.c
浏览文件 @
b5736b4b
...
...
@@ -67,6 +67,7 @@ static LPC_CAN_TypeDef* lcpcan_get_reg_base(rt_uint32_t id)
static
void
lpccan_irqstate_init
(
rt_uint32_t
id
)
{
LPC_CAN_TypeDef
*
pCan
=
lcpcan_get_reg_base
(
id
);
volatile
rt_int32_t
i
;
pCan
->
MOD
=
1
;
// Enter Reset Mode
pCan
->
IER
=
0
;
// Disable All CAN Interrupts
...
...
@@ -77,7 +78,9 @@ static void lpccan_irqstate_init(rt_uint32_t id)
pCan
->
CMR
=
(
1
<<
1
)
|
(
1
<<
2
)
|
(
1
<<
3
);
/* Read to clear interrupt pending in interrupt capture register */
rt_int32_t
i
=
pCan
->
ICR
;
i
=
pCan
->
ICR
;
i
=
i
;
pCan
->
MOD
=
0
;
// Return Normal operating
}
...
...
@@ -209,6 +212,8 @@ static void lpccan2_hw_init(enum CANBAUD baud, CAN_MODE_Type mode)
static
rt_err_t
configure
(
struct
rt_can_device
*
can
,
struct
can_configure
*
cfg
)
{
CAN_MODE_Type
mode
;
rt_uint32_t
canid
;
switch
(
cfg
->
mode
)
{
case
RT_CAN_MODE_NORMAL
:
...
...
@@ -223,7 +228,7 @@ static rt_err_t configure(struct rt_can_device *can, struct can_configure *cfg)
default:
return
RT_EIO
;
}
rt_uint32_t
canid
;
canid
=
((
struct
lpccandata
*
)
can
->
parent
.
user_data
)
->
id
;
#ifdef RT_USING_LPCCAN1
if
(
canid
==
CAN_1
)
...
...
@@ -643,7 +648,6 @@ static rt_err_t control(struct rt_can_device *can, int cmd, void *arg)
break
;
case
RT_CAN_CMD_GET_STATUS
:
{
rt_uint32_t
errtype
;
can
->
status
.
rcverrcnt
=
0
;
can
->
status
.
snderrcnt
=
0
;
can
->
status
.
errcode
=
0
;
...
...
@@ -660,25 +664,35 @@ static rt_err_t control(struct rt_can_device *can, int cmd, void *arg)
static
int
sendmsg
(
struct
rt_can_device
*
can
,
const
void
*
buf
,
rt_uint32_t
boxno
)
{
struct
lpccandata
*
plpccan
;
LPC_CAN_TypeDef
*
pCan
;
struct
rt_can_msg
*
pmsg
;
rt_uint32_t
SR_Mask
;
rt_uint32_t
CMRMsk
;
plpccan
=
(
struct
lpccandata
*
)
can
->
parent
.
user_data
;
RT_ASSERT
(
plpccan
!=
RT_NULL
);
LPC_CAN_TypeDef
*
pCan
=
lcpcan_get_reg_base
(
plpccan
->
id
);
pCan
=
lcpcan_get_reg_base
(
plpccan
->
id
);
RT_ASSERT
(
pCan
!=
RT_NULL
);
struct
rt_can_msg
*
pmsg
=
(
struct
rt_can_msg
*
)
buf
;
rt_uint32_t
SR_Mask
;
pmsg
=
(
struct
rt_can_msg
*
)
buf
;
if
(
boxno
>
2
)
{
return
RT_ERROR
;
}
rt_uint32_t
CMRMsk
=
0x01
|
(
0x01
<<
(
boxno
+
5
));
CMRMsk
=
0x01
|
(
0x01
<<
(
boxno
+
5
));
SR_Mask
=
0x01
<<
(
boxno
*
8
+
2
);
if
(
pCan
->
SR
&
SR_Mask
)
{
volatile
unsigned
int
*
pTFI
=
(
&
pCan
->
TFI1
+
0
+
4
*
boxno
);
volatile
unsigned
int
*
pTID
=
(
&
pCan
->
TFI1
+
1
+
4
*
boxno
);
volatile
unsigned
int
*
pTDA
=
(
&
pCan
->
TFI1
+
2
+
4
*
boxno
);
volatile
unsigned
int
*
pTDB
=
(
&
pCan
->
TFI1
+
3
+
4
*
boxno
);
rt_uint32_t
data
;
if
(
pCan
->
SR
&
SR_Mask
)
{
/* Transmit Channel 1 is available */
/* Write frame informations and frame data into its CANxTFI1,
* CANxTID1, CANxTDA1, CANxTDB1 register */
...
...
@@ -727,16 +741,20 @@ static int sendmsg(struct rt_can_device *can, const void* buf, rt_uint32_t boxno
static
int
recvmsg
(
struct
rt_can_device
*
can
,
void
*
buf
,
rt_uint32_t
boxno
)
{
struct
lpccandata
*
plpccan
;
LPC_CAN_TypeDef
*
pCan
;
plpccan
=
(
struct
lpccandata
*
)
can
->
parent
.
user_data
;
RT_ASSERT
(
plpccan
!=
RT_NULL
);
LPC_CAN_TypeDef
*
pCan
=
lcpcan_get_reg_base
(
plpccan
->
id
);
pCan
=
lcpcan_get_reg_base
(
plpccan
->
id
);
RT_ASSERT
(
pCan
!=
RT_NULL
);
//CAN_ReceiveMsg
uint32_t
data
;
struct
rt_can_msg
*
pmsg
=
(
struct
rt_can_msg
*
)
buf
;
//check status of Receive Buffer
if
((
pCan
->
SR
&
0x00000001
))
{
uint32_t
data
;
struct
rt_can_msg
*
pmsg
=
(
struct
rt_can_msg
*
)
buf
;
/* Receive message is available */
/* Read frame informations */
pmsg
->
ide
=
(
uint8_t
)(((
pCan
->
RFS
)
&
0x80000000
)
>>
31
);
...
...
@@ -844,6 +862,8 @@ void CAN_IRQHandler(void)
if
((
IntStatus
>>
2
)
&
0x01
)
{
rt_uint32_t
errtype
;
rt_uint32_t
state
;
errtype
=
(
IntStatus
>>
16
);
if
(
errtype
&
0x1F
&&
lpccan1
.
status
.
lasterrtype
==
(
errtype
&
0x1F
))
{
...
...
@@ -881,7 +901,7 @@ void CAN_IRQHandler(void)
}
lpccan1
.
status
.
lasterrtype
=
errtype
&
0x1F
;
}
rt_uint32_t
state
=
0
;
state
=
CAN_GetCTRLStatus
(
CAN_1
,
CANCTRL_GLOBAL_STS
);
lpccan1
.
status
.
rcverrcnt
=
(
state
>>
16
)
&
0xFF
;
lpccan1
.
status
.
snderrcnt
=
(
state
>>
24
)
&
0xFF
;
...
...
@@ -943,6 +963,7 @@ void CAN_IRQHandler(void)
rt_hw_can_isr
(
&
lpccan1
,
RT_CAN_EVENT_TX_FAIL
|
0
<<
8
);
}
}
//check Error Warning Interrupt
if
((
IntStatus
>>
2
)
&
0x01
)
{
...
...
@@ -990,11 +1011,13 @@ void CAN_IRQHandler(void)
lpccan2
.
status
.
snderrcnt
=
(
state
>>
24
)
&
0xFF
;
lpccan2
.
status
.
errcode
=
(
state
>>
5
)
&
0x06
;
}
//check Data Overrun Interrupt Interrupt
if
((
IntStatus
>>
3
)
&
0x01
)
{
rt_hw_can_isr
(
&
lpccan1
,
RT_CAN_EVENT_RXOF_IND
|
0
<<
8
);
}
//check Transmit Interrupt interrupt2
if
((
IntStatus
>>
9
)
&
0x01
)
{
...
...
@@ -1009,6 +1032,7 @@ void CAN_IRQHandler(void)
rt_hw_can_isr
(
&
lpccan1
,
RT_CAN_EVENT_TX_FAIL
|
1
<<
8
);
}
}
//check Transmit Interrupt interrupt3
if
((
IntStatus
>>
10
)
&
0x01
)
{
...
...
@@ -1034,15 +1058,19 @@ int lpc_can_init(void)
lpccan1
.
config
.
sndboxnumber
=
3
;
lpccan1
.
config
.
mode
=
RT_CAN_MODE_NORMAL
;
lpccan1
.
config
.
privmode
=
0
;
#ifdef RT_CAN_USING_LED
#endif
lpccan1
.
config
.
ticks
=
50
;
#ifdef RT_CAN_USING_HDR
#endif
//Enable CAN Interrupt
NVIC_EnableIRQ
(
CAN_IRQn
);
rt_hw_can_register
(
&
lpccan1
,
"lpccan1"
,
&
canops
,
&
lpccandata1
);
#endif
#endif
/*RT_USING_LPCCAN1*/
#ifdef RT_USING_LPCCAN2
lpccan2
.
config
.
baud_rate
=
CAN1MBaud
;
...
...
@@ -1050,19 +1078,24 @@ int lpc_can_init(void)
lpccan2
.
config
.
sndboxnumber
=
3
;
lpccan2
.
config
.
mode
=
RT_CAN_MODE_NORMAL
;
lpccan2
.
config
.
privmode
=
0
;
#ifdef RT_CAN_USING_LED
#endif
lpccan2
.
config
.
ticks
=
50
;
#ifdef RT_CAN_USING_HDR
#endif
#ifndef RT_USING_LPCCAN1
//Enable CAN Interrupt
NVIC_EnableIRQ
(
CAN_IRQn
);
#endif
#ifdef RT_CAN_USING_HDR
#endif
rt_hw_can_register
(
&
lpccan2
,
"lpccan2"
,
&
canops
,
&
lpccandata2
);
#endif
#endif
/*RT_USING_LPCCAN2*/
return
RT_EOK
;
}
INIT_BOARD_EXPORT
(
lpc_can_init
);
...
...
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