comedi_command

Langue: en

Version: 28 October 2007 (fedora - 04/07/09)

Section: 3 (Bibliothèques de fonctions)

Sommaire

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.