CanBusConnect


Function

Connect to bus.

Format

Ret = CanBusConnect ( Id , ChannelNo )

Parameters

Id [ C: short ] [ Python: ctypes.c_short ]
Specify the device ID retrieved from CanInit.

ChannelNo [ C: unsigned short ] [ Python: ctypes.c_ushort ]
Specify the channel number.

Return Value

Ret [ C: long ] [ Python: ctypes.c_long ]

Definition

Value
[Dec]

Description

CAN_ERR_SUCCESS

0

Normality completion

CAN_ERR_DLL_INVALID_ID

10001

Invalid ID specified.

CAN_ERR_DLL_CALL_DRIVER

10002

Driver can't be called (Failed in the ioctl).

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.

C

long Ret;

Ret = CanBusConnect ( Id , 1 );
 

Python

Ret = ctypes.c_long()

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

See Also

CanBusDisconnect