XXX_Read

Owned by Former user (Deleted)
Last updated: Oct 15, 2014
1 min read

Description

This function reads the last received CAN frame from the CAN controller. If there is no received CAN frame, the corresponding bytes will be 0.

Prototype

CPU_INT16S XXX_Read(CPU_INT16S  devId,
                    CPU_INT08U *buffer,
                    CPU_INT16U  size);

Parameter

Meaning

devId

device identifier, returned by XXX_Open()

buffer

Pointer to CAN frame of type CANFRM

size

Size of buffer (must be equal to sizeof(CANFRM))

Return Value

Number of bytes in CAN frame or -1 if an error was detected.