williamp/osmocom-analog
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Move amplitude (level) debugging to debug.c

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This commit is contained in:
Andreas Eversberg
2016-05-15 20:31:42 +02:00
parent adc3270dc0
commit 7aa2445b47
6 changed files with 28 additions and 65 deletions
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27
src/nmt/dsp.c
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@@ -267,21 +267,6 @@ static void fsk_receive_bit(nmt_t *nmt, int bit, double quality, double level)
nmt_receive_frame(nmt, nmt->fsk_filter_frame, quality, level * 32768.0 / TX_PEAK_FSK, frames_elapsed);
}
char *show_level(int value)
{
static char text[22];
value /= 5;
if (value < 0)
value = 0;
if (value > 20)
value = 20;
strcpy(text, " ");
text[value] = '*';
return text;
}
//#define DEBUG_MODULATOR
//#define DEBUG_FILTER
//#define DEBUG_QUALITY
@@ -317,9 +302,9 @@ static inline void fsk_decode_step(nmt_t *nmt, int pos)
#define MIN_QUALITY 0.33
softbit = (softbit - MIN_QUALITY) / (1.0 - MIN_QUALITY - MIN_QUALITY);
#ifdef DEBUG_FILTER
// printf("|%s", show_level(result[0]/level*100));
// printf("|%s| low=%.3f high=%.3f level=%d\n", show_level(result[1]/level*100), result[0]/level, result[1]/level, (int)level);
printf("|%s| softbit=%.3f\n", show_level(softbit * 100), softbit);
// printf("|%s", debug_amplitude(result[0]/level));
// printf("|%s| low=%.3f high=%.3f level=%d\n", debug_amplitude(result[1]/level), result[0]/level, result[1]/level, (int)level);
printf("|%s| softbit=%.3f\n", debug_amplitude(softbit), softbit);
#endif
if (softbit > 1)
softbit = 1;
@@ -348,8 +333,8 @@ static inline void fsk_decode_step(nmt_t *nmt, int pos)
else
quality = 1.0 - softbit * 2.0;
#ifdef DEBUG_QUALITY
printf("|%s| quality=%.2f ", show_level(softbit * 100), quality);
printf("|%s|\n", show_level(quality * 100));
printf("|%s| quality=%.2f ", debug_amplitude(softbit), quality);
printf("|%s|\n", debug_amplitude(quality));
#endif
/* adjust level, so a peak level becomes 100% */
fsk_receive_bit(nmt, bit, quality, level / 0.63662);
@@ -442,7 +427,7 @@ void sender_receive(sender_t *sender, int16_t *samples, int length)
spl = nmt->fsk_filter_spl;
for (i = 0; i < length; i++) {
#ifdef DEBUG_MODULATOR
printf("|%s|\n", show_level((int)((samples[i] / TX_PEAK_FSK) * 50)+50));
printf("|%s|\n", debug_amplitude((double)samples[i] / TX_PEAK_FSK / 2.0));
#endif
spl[pos++] = samples[i];
if (nmt->fsk_filter_mute) {