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Add TXINH check to hdlc_data_detect_any

This commit is contained in:
Alex Swedenburg 2015-11-12 14:20:41 -07:00
parent 0d7003bb98
commit 401db2d1d5
1 changed files with 48 additions and 1 deletions
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49
hdlc_rec.c
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@ -42,6 +42,13 @@
#include "demod_9600.h" /* for descramble() */
#include "ptt.h"
#if __WIN32__
#else
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#endif
//#define TEST 1 /* Define for unit testing. */
@ -125,6 +132,8 @@ static void dcd_change (int chan, int subchan, int state);
*
***********************************************************************************/
static struct audio_s *save_audio_config_p;
static int was_init = 0;
void hdlc_rec_init (struct audio_s *pa)
@ -137,6 +146,8 @@ void hdlc_rec_init (struct audio_s *pa)
assert (pa != NULL);
save_audio_config_p = pa;
for (j=0; j<MAX_CHANS; j++)
{
composite_dcd[j] = 0;
@ -632,10 +643,46 @@ static void dcd_change (int chan, int subchan, int state)
int hdlc_rec_data_detect_any (int chan)
{
int subchan;
int busy;
assert (chan >= 0 && chan < MAX_CHANS);
return (composite_dcd[chan] != 0);
if (composite_dcd[chan] != 0) busy = 1;
#if __WIN32__
#else
if (save_audio_config_p->achan[chan].txinh.enabled) {
int fd;
char stemp[80];
sprintf (stemp, "/sys/class/gpio/gpio%d/value", save_audio_config_p->achan[chan].txinh.gpio);
fd = open(stemp, O_RDONLY);
if (fd < 0) {
int e = errno;
text_color_set(DW_COLOR_ERROR);
dw_printf ("Error opening %s to check TXINH.\n", stemp);
dw_printf ("%s\n", strerror(e));
return;
}
if (read (fd, stemp, 1) != 1) {
int e = errno;
text_color_set(DW_COLOR_ERROR);
dw_printf ("Error getting GPIO %d value for TXINH\n", save_audio_config_p->achan[chan].txinh.gpio);
dw_printf ("%s\n", strerror(e));
}
close (fd);
char vtemp[2];
sprintf (vtemp, "%d", save_audio_config_p->achan[chan].txinh.invert);
if (!strcmp (stemp, vtemp)) busy = 1;
}
#endif
return busy;
} /* end hdlc_rec_data_detect_any */