Name
comedi_do_insn — perform instruction
Synopsis
#include <comedilib.h>
int comedi_do_insn( | comedi_t * device, |
| | comedi_insn * instruction); |
Description
The function comedi_do_insn performs a single instruction.
Return value
If successful, returns a non-negative number. For the case
of INSN_READ or INSN_WRITE instructions,
comedi_do_insn returns the number of samples
read or written, which may be less than the number requested.
If there is an error, -1 is returned.