NAME
comedi_command - start streaming input/output
SYNOPSIS
#include <comedilib.h>
int comedi_command (comedi_t * device, comedi_cmd * command);
DESCRIPTION
The function comedi_command() starts streaming input or output. The
command structure pointed to by the parameter command specifies the
acquisition. The command must be able to pass comedi_command_test()
with a return value of 0, or comedi_command() will fail. For input
subdevices, sample values are read using the function read(). For
output subdevices, sample values are written using the function
write().
If sucessful, 0 is returned, otherwise -1.
28 October 2007