CanBusConnect


Function

Connect to bus.

Format

Ret = CanBusConnect ( Id , ChannelNo )

Parameters

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.

Return Value

Ret [ VB.NET: Integer ] [ C, C++: long ] [ C#: int ] [ Python: ctypes.c_long ]

Definition

Value
[Dec]

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)

Initial Value

None

Remarks

Connect to CAN bus.
CAN or CAN FD messages can be sent and received. It is stored in the receive buffer when a message is received.

Example

Connect to CAN bus with ChannelNo = 1.

VB.NET

Dim Ret As Integer

Ret = CanBusConnect ( Id , 1 )
 

C, C++

long Ret;

Ret = CanBusConnect ( Id , 1 );
 

C#

int Ret;

Ret = can.BusConnect ( Id , 1 );
 

Python

Ret = ctypes.c_long()

Ret.value = ccan.CanBusConnect ( Id , 1 );
 

See Also

CanBusDisconnect