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B-Netz: Refactoring tone and quality detection

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This commit is contained in:
Andreas Eversberg
2018-06-05 07:08:35 +02:00
parent 3b58408691
commit f4988297a6
3 changed files with 118 additions and 58 deletions
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10
src/bnetz/bnetz.c
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@@ -399,6 +399,8 @@ void bnetz_receive_tone(bnetz_t *bnetz, int bit)
bnetz->dial_mode = DIAL_MODE_START;
bnetz_set_dsp_mode(bnetz, DSP_MODE_1);
timer_start(&bnetz->timer, DIALING_TO);
/* must reset, so we will not get corrupt first digit */
bnetz->rx_telegramm = bnetz->tone_detected * 0xffff;
break;
}
break;
@@ -431,17 +433,11 @@ void bnetz_receive_tone(bnetz_t *bnetz, int bit)
}
/* A digit was received. */
void bnetz_receive_telegramm(bnetz_t *bnetz, uint16_t telegramm, double level_avg, double level_stddev, double quality_avg)
void bnetz_receive_telegramm(bnetz_t *bnetz, uint16_t telegramm)
{
struct impulstelegramm *it;
int digit = 0;
/* drop any telegramm that is too bad */
if (level_stddev / level_avg > 0.2)
return;
PDEBUG_CHAN(DDSP, DEBUG_INFO, "RX Level: average=%.0f%% standard deviation=%.0f%% Quality: %.0f%%\n", level_avg * 100.0, level_stddev / level_avg * 100.0, quality_avg * 100.0);
it = bnetz_telegramm2digit(telegramm);
if (it) {
digit = it->digit;