Description
This function allows to control special features of a CAN message.
Prototype
CPU_INT
16S CanMsgIoCtl(CPU_INT
16S msgId,
CPU_INT
16U func,
void *argp);
Parameter | Meaning |
---|---|
msgId | Device id, returned by |
func | Function Code |
argp | Pointer to argument, specific to the function code |
Additional Information
Function Code | Meaning |
| Checks all linked signals of the message for changed status. If a least on signal indicates changed, set the flag to TRUE of the given argument pointer ( |
Return Value
One of the following error codes is returned: CAN_ERR_NONE
, CAN_ERR_IOCTRLFUNC
, CAN_ERR_MSGID
, CAN_ERR_SIGID
or CAN_ERR_NULLPTR
.