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TX inhibit GPIO support #10

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TX inhibit GPIO support #10

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dd2d740
Config changes for TXINH
ab0tj Nov 12, 2015
0d7003b
Init for TXINH
ab0tj Nov 12, 2015
401db2d
Add TXINH check to hdlc_data_detect_any
ab0tj Nov 12, 2015
b81262f
TXINH testing fixes
ab0tj Nov 12, 2015
42a2398
Disable obnoxious white background on arm targets
ab0tj Nov 12, 2015
c15c3ee
Tested TXINH, fixed it
ab0tj Nov 13, 2015
9b36294
TXINH logic was reversed
ab0tj Nov 13, 2015
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Config changes for TXINH
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@ab0tj
ab0tj committed Nov 12, 2015
commit dd2d740787e4e37bc105c0b9707f8648103f5470
6 changes: 6 additions & 0 deletions audio.h
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Original file line number Diff line number Diff line change
Expand Up @@ -198,6 +198,12 @@ struct audio_s {

} octrl[NUM_OCTYPES];

struct {
int enabled;
int gpio;
int invert;
} txinh;

/* Transmit timing. */

int dwait; /* First wait extra time for receiver squelch. */
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24 changes: 24 additions & 0 deletions config.c
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Expand Up @@ -1450,6 +1450,30 @@ void config_init (char *fname, struct audio_s *p_audio_config,

} /* end of PTT */

/*
* TXINH - Input for TX inhibit signal
*/

else if (strcasecmp(t, "TXINH") == 0) {
t = strtok (NULL, " ,\t\n\r");
if (t == NULL) {
text_color_set(DW_COLOR_ERROR);
dw_printf ("Config file line %d: Missing GPIO number for TXINH.\n",
line);
continue;
}

p_audio_config->achan[channel].txinh.enabled = 1;

if (*t == '-') {
p_audio_config->achan[channel].txinh.gpio = atoi(t+1);
p_audio_config->achan[channel].txinh.invert = 1;
}
else {
p_audio_config->achan[channel].txinh.gpio = atoi(t);
p_audio_config->achan[channel].txinh.invert = 0;
}
} /* end of TXINH */

/*
* DWAIT - Extra delay for receiver squelch.
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