Get the status of the specified channel.
Ret = CanGetChannelStatus ( Id , ChannelNo , ChannelStatus , TxErrorCount , RxErrorCount )
Id
[ VB.NET: Short ] [ C, C++: short ] [ C#: short ] [ Python: ctypes.c_short
]
Specify the device ID retrieved from CanInit.
ChannelNo
[ VB.NET: UShort ] [ C, C++: unsigned short ] [ C#: ushort ] [
Python: ctypes.c_ushort ]
Specify the channel number.
ChannelStatus [
VB.NET: UShort ] [ C, C++: unsigned short * ] [ C#: out ushort ] [ Python:
ctypes.POINTER(ctypes.c_ushort) ]
Get the status of the specified channel.
Definition |
Value |
Description |
CCAN_CH_STATUS_ERR_ACTIVE |
0x0000 |
Error active |
CCAN_CH_STATUS_ERR_PASSIVE |
0x0001 |
Error passive |
CCAN_CH_STATUS_BUS_OFF |
0x0002 |
Bus off |
TxErrorCount [
VB.NET: UShort ] [ C, C++: unsigned short * ] [ C#: out ushort ] [ Python:
ctypes.POINTER(ctypes.c_ushort) ]
Get the send error count.
RxErrorCount [
VB.NET: UShort ] [ C, C++: unsigned short * ] [ C#: out ushort ] [ Python:
ctypes.POINTER(ctypes.c_ushort) ]
Get the reception error count.
Ret [ VB.NET: Integer ] [ C, C++: long ] [ C#: int ] [ Python: ctypes.c_long ]
Definition |
Value |
Description |
CAN_ERR_SUCCESS |
0 |
Normality completion |
CAN_ERR_SYS_RECOVERED_FROM_STANDBY |
7 |
Execute CanResetDevice function because the device has recovered from standby mode. |
CAN_ERR_DLL_INVALID_ID |
10001 |
Invalid ID specified. |
CAN_ERR_DLL_CALL_DRIVER |
10002 |
Driver can't be called (Failed in the device I/O control). |
CAN_ERR_SYS_CH_NO |
20101 |
Channel number is outside the settable range |
The others (See also: Details of Error Code)
None
Get the status of the specified channel.
Get the status of ChannelNo = 1.
VB.NET |
Dim Ret As Integer Dim TxErrorCount As UShort Dim RxErrorCount As UShort Ret = CanGetChannelStatus
( Id , 1 , ChannelStatus , TxErrorCount , RxErrorCount ) |
C, C++ |
long Ret; unsigned short TxErrorCount; unsigned short RxErrorCount; Ret = CanGetChannelStatus
( Id , 1 , &ChannelStatus , &TxErrorCount ,
&RxErrorCount ); |
C# |
int Ret; Ret = can.GetChannelStatus
( Id , 1 , out ChannelStatus , out TxErrorCount , out
RxErrorCount ); |
Python |
Ret = ctypes.c_long() ChannelStatus = ctypes.c_ushort() TxErrorCount = ctypes.c_ushort() RxErrorCount = ctypes.c_ushort()
Ret.value = ccan.CanGetChannelStatus ( Id , 1 , ctypes.byref(ChannelStatus) , ctypes.byref(TxErrorCount) , ctypes.byref(RxErrorCount) )
|
CanBusConnect CanBusDisconnect