server/drivers/de200c-vfd/clients/vfdbrightness.c

   1 // ****************************************************************************
   2 //  vfdbrightness.c                 (C) 1992-2003 Christophe de Dinechin (ddd)
   3 //                                                            VFD800 project
   4 // ****************************************************************************
   5 //
   6 //   File Description:
   7 //
   8 //     Select the brightness for the VFD
   9 //
  10 //
  11 //
  12 //
  13 //
  14 //
  15 //
  16 //
  17 // ****************************************************************************
  18 // This document is confidential.
  19 // Do not redistribute without written permission
  20 // ****************************************************************************
  21 // * File       : $RCSFile$
  22 // * Revision   : $Revision$
  23 // * Date       : $Date$
  24 // ****************************************************************************
  25
  26 #define VFDCLIENT               "vfbrightness"
  27 #define VFDOPTIONS              "options.tbl"
  28 #define VFDCONFIG               "brightness"
  29
  30 #include "vfdclient.h"
  31
  32
  33 int main (int argc, char *argv[])
  34 // ----------------------------------------------------------------------------
  35 //   Change VFD brightness
  36 // ----------------------------------------------------------------------------
  37 {
  38      int vfd;
  39
  40      if (argc < 2)
  41           Help();
  42
  43      vfd = vfd_open(server, port);
  44      vfd_set_brightness(vfd, atoi(argv[1]) / 100.0);
  45 }