Canbus

can(adr)
can(adr) = (byte1, byte2, ...)

The interface to the C331 PCI-CAN card. The default I/O speed is 500 kB/sec.
e.g.: ]
can( 0x8) = (0x20, 0, 0)
A frame with the identfifier 0x8 and a data block consisting of 3 bytes (0x20, 0, 0) is transmitted.
* = can()
The input buffer is read.