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demod wip

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This commit is contained in:
jaseg 2020-03-09 13:23:35 +01:00
parent b4d5293d04
commit 9debe084fc
5 changed files with 289 additions and 60 deletions
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12
controller/fw/tools/dsss_demod_test.c
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@ -12,6 +12,16 @@
#include "dsss_demod.h"
void handle_dsss_received(uint8_t data[TRANSMISSION_SYMBOLS]) {
printf("data sequence received: [ ");
for (size_t i=0; i<TRANSMISSION_SYMBOLS; i++) {
printf("%+3d", ((data[i]&1) ? 1 : -1) * (data[i]>>1));
if (i+1 < TRANSMISSION_SYMBOLS)
printf(", ");
}
printf(" ]\n");
}
void print_usage() {
fprintf(stderr, "Usage: dsss_demod_test [test_data.bin] [optional recording channel number]\n");
}
@ -87,7 +97,7 @@ int main(int argc, char **argv) {
fprintf(stderr, "Starting simulation.\n");
struct dsss_demod_state demod;
memset(&demod, 0, sizeof(demod));
dsss_demod_init(&demod);
for (size_t i=0; i<n_samples; i++) {
//fprintf(stderr, "Iteration %zd/%zd\n", i, n_samples);
dsss_demod_step(&demod, buf_f[i], i, record_channel);