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do the cycle shift proplerly, shorten the code a bit and add a device arg

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kuba
2025-05-29 17:11:29 +02:00
parent ff2081bcb7
commit 86235ad391
4 changed files with 51 additions and 57 deletions
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src/modulator.c
+2 -3
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@@ -88,8 +88,7 @@ void init_rds_modulator(RDSModulator* rdsMod, RDSEncoder* enc) {
rdsMod->enc = enc;
if(STREAMS > 0) rdsMod->data[1].symbol_shift = FILTER_SIZE / 2;
if(STREAMS > 0) rdsMod->data[1].symbol_shift = M_PI;
if(modulatorsaved()) {
Modulator_loadFromFile(&rdsMod->params);
} else {
@@ -112,7 +111,7 @@ float get_rds_sample(RDSModulator* rdsMod, uint8_t stream) {
rdsMod->data[stream].cur_output = rdsMod->data[stream].prev_output ^ rdsMod->data[stream].cur_bit;
}
float sample = sinf(M_2PI * (rdsMod->data[stream].phase - rdsMod->data[stream].symbol_shift));
float sample = sinf(M_2PI * rdsMod->data[stream].phase + rdsMod->data[stream].symbol_shift);
if(rdsMod->data[stream].cur_output == 0) sample = -sample; // do bpsk
uint8_t tooutput = rdsMod->params.rdsgen > stream ? 1 : 0;