Fixed the modulator + test demodulation
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@ -38,16 +38,16 @@ int main(void)
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float complex msg_mod[nsyms];
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packet_mod_get_result_cf(&pmod, msg_mod, &nsyms); // get the data
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dump_array_cf(msg_mod, nsyms, 1.0f, "/tmp/tx.cpx");
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// channel
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float complex msg_received[nsyms];
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nsyms = nsyms - 63 - 8;
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nsyms = nsyms - 63 - 16;
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//memcpy(msg_received, msg_mod, sizeof(msg_received)); // no noise in channel
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dump_array_cf(msg_mod, nsyms, 1.0f, "/tmp/tx.cpx");
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channel_cccf_execute_block(channel, msg_mod + 63 + 8, nsyms, msg_received);
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channel_cccf_execute_block(channel, msg_mod + 63 + 16, nsyms, msg_received);
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dump_array_cf(msg_received, nsyms, 1.0f, "/tmp/rx.cpx");
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// demodulate
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@ -64,7 +64,7 @@ int main(void)
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}
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unsigned int received_bytes;
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liquid_repack_bytes(msg_demod_syms, bps, nsyms, msg_demod, 8, k+1, &received_bytes);
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liquid_repack_bytes(msg_demod_syms, bps, nsyms, msg_demod, 8, sizeof(msg_demod), &received_bytes);
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//assert(received_bytes == k);
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@ -158,7 +158,7 @@ result_t packet_mod_add_header(packet_mod_ctx_t *ctx)
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modem hdr_modem = modem_create(HEADER_MODULATION);
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// encode the header
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unsigned int hdr_enc_length = fec_get_enc_msg_length(HEADER_CHANNEL_CODE, ctx->length);
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unsigned int hdr_enc_length = fec_get_enc_msg_length(HEADER_CHANNEL_CODE, sizeof(header));
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unsigned char header_encoded[hdr_enc_length];
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ERR_CHECK_LIQUID(fec_encode(hdr_fec, sizeof(header), header, header_encoded));
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