Man Linux: Main Page and Category List


       comedi_command - start streaming input/output


       #include <comedilib.h>

       int comedi_command (comedi_t * device, comedi_cmd * command);


       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

       If sucessful, 0 is returned, otherwise -1.

                                28 October 2007