/*
 * Test switching the 22kHz tone signal on and off on a SAT frontend.
 * (Note: DiSEqC equipment ignores this after it has once seen a diseqc
 *  sequence; reload the driver or unplug/replug the SAT cable to reset.)
 *
 * usage: FRONTEND=/dev/dvb/adapterX/frontendX set22k {on|off}
 */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#include <linux/dvb/frontend.h>


int main (int argc, char **argv)
{
   char *fedev = "/dev/dvb/adapter0/frontend0";
   int fd, r;

   if (argc != 2 || (strcmp(argv[1], "on") && strcmp(argv[1], "off"))) {
      fprintf (stderr, "usage: %s <on|off>\n", argv[0]);
      return 1;
   }
   if (getenv("FRONTEND"))
	   fedev = getenv("FRONTEND");
   printf("set22k: using '%s'\n", fedev);

   if ((fd = open (fedev, O_RDWR)) < 0) {
      perror ("open");
      return 1;
   }

   if (strcmp(argv[1], "on") == 0)
      r = ioctl (fd, FE_SET_TONE, SEC_TONE_ON);
   else
      r = ioctl (fd, FE_SET_TONE, SEC_TONE_OFF);
   if (r == -1)
	   perror("ioctl FE_SET_TONE");

   close (fd);

   return 0;
}

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<div class='path'>path: <a href='/lcd4linux.git/log/?id=575f363d88d793449679641941bd42f5b50d3503&amp;follow=1'>root</a>/<a href='/lcd4linux.git/log/Makefile.in?id=575f363d88d793449679641941bd42f5b50d3503&amp;follow=1'>Makefile.in</a> (<a href='/lcd4linux.git/log/Makefile.in?id=575f363d88d793449679641941bd42f5b50d3503'>unfollow</a>)</div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/lcd4linux.git/log/Makefile.in?id=575f363d88d793449679641941bd42f5b50d3503&amp;showmsg=1&amp;follow=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
<tr><td><span title='2005-01-22 22:57:57 +0000'>2005-01-22</span></td><td><a href='/lcd4linux.git/commit/lcd4linux.conf.sample?id=620568e08f7e1e7be5d3be85643f821cdcca897b&amp;follow=1'>[lcd4linux @ 2005-01-22 22:57:57 by reinelt]</a></td><td>reinelt</td><td>9</td><td><span class='deletions'>-47</span>/<span class='insertions'>+382</span></td></tr>
<tr><td><span title='2005-01-22 12:44:41 +0000'>2005-01-22</span></td><td><a href='/lcd4linux.git/commit/drv_MatrixOrbital.c?id=4b6f7fb1f11af97b369feb39aa4c4ac16252045a&amp;follow=1'>[lcd4linux @ 2005-01-22 12:44:41 by reinelt]</a></td><td>reinelt</td><td>1</td><td><span class='deletions'>-3</span>/<span class='insertions'>+6</span></td></tr>
<tr><td><span title='2005-01-18 06:30:24 +0000'>2005-01-18</span></td><td><a href='/lcd4linux.git/commit/widget_text.h?id=ae6d2a0a265f41e9c9773d61dcf16da3653b674e&amp;follow=1'>[lcd4linux @ 2005-01-18 06:30:21 by reinelt]</a></td><td>reinelt</td><td>89</td><td><span class='deletions'>-261</span>/<span class='insertions'>+603</span></td></tr>
<tr><td><span title='2005-01-17 06:38:48 +0000'>2005-01-17</span></td><td><a href='/lcd4linux.git/commit/drv_HD44780.c?id=1f29316bdf4df65aed92770d0c440e0984ef1086&amp;follow=1'>[lcd4linux @ 2005-01-17 06:38:48 by reinelt]</a></td><td>reinelt</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+6</span></td></tr>
<tr><td><span title='2005-01-17 06:29:25 +0000'>2005-01-17</span></td><td><a href='/lcd4linux.git/commit/lcd4linux.conf.sample?id=f25e145be4d7ebe0c3b6803acf8521d5b2d8b1a1&amp;follow=1'>[lcd4linux @ 2005-01-17 06:29:24 by reinelt]</a></td><td>reinelt</td><td>3</td><td><span class='deletions'>-33</span>/<span class='insertions'>+85</span></td></tr>