From ac7c48b4dee99d4c772f133d70d8d1b38262fcd2 Mon Sep 17 00:00:00 2001 From: Author Name Date: Fri, 7 Jul 2023 12:20:59 +0930 Subject: shallow zip-file copy from codec2 e9d726bf20 --- src/freedv_700.c | 564 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 564 insertions(+) create mode 100644 src/freedv_700.c (limited to 'src/freedv_700.c') diff --git a/src/freedv_700.c b/src/freedv_700.c new file mode 100644 index 0000000..235284e --- /dev/null +++ b/src/freedv_700.c @@ -0,0 +1,564 @@ +/*---------------------------------------------------------------------------*\ + + FILE........: freedv_700.c + AUTHOR......: David Rowe + DATE CREATED: May 2020 + + Functions that implement the various FreeDV 700 modes, and more generally + OFDM data modes. + +\*---------------------------------------------------------------------------*/ + +#include +#include +#include +#include +#include +#include +#include + +#include "fsk.h" +#include "fmfsk.h" +#include "codec2.h" +#include "codec2_fdmdv.h" +#include "varicode.h" +#include "freedv_api.h" +#include "freedv_api_internal.h" +#include "comp_prim.h" + +#include "codec2_ofdm.h" +#include "ofdm_internal.h" +#include "mpdecode_core.h" +#include "gp_interleaver.h" +#include "ldpc_codes.h" +#include "interldpc.h" +#include "debug_alloc.h" +#include "filter.h" + +extern char *ofdm_statemode[]; + +void freedv_700c_open(struct freedv *f) { + f->snr_squelch_thresh = 0.0; + f->squelch_en = false; + + f->cohpsk = cohpsk_create(); + f->nin = f->nin_prev = COHPSK_NOM_SAMPLES_PER_FRAME; + f->n_nat_modem_samples = COHPSK_NOM_SAMPLES_PER_FRAME; // native modem samples as used by the modem + f->n_nom_modem_samples = f->n_nat_modem_samples * FREEDV_FS_8000 / COHPSK_FS;// number of samples after native samples are interpolated to 8000 sps + f->n_max_modem_samples = COHPSK_MAX_SAMPLES_PER_FRAME * FREEDV_FS_8000 / COHPSK_FS + 1; + f->modem_sample_rate = FREEDV_FS_8000; // note weird sample rate tamed by resampling + f->clip_en = true; + f->sz_error_pattern = cohpsk_error_pattern_size(); + f->test_frames_diversity = 1; + + f->ptFilter7500to8000 = (struct quisk_cfFilter *)MALLOC(sizeof(struct quisk_cfFilter)); + f->ptFilter8000to7500 = (struct quisk_cfFilter *)MALLOC(sizeof(struct quisk_cfFilter)); + quisk_filt_cfInit(f->ptFilter8000to7500, quiskFilt120t480, sizeof(quiskFilt120t480)/sizeof(float)); + quisk_filt_cfInit(f->ptFilter7500to8000, quiskFilt120t480, sizeof(quiskFilt120t480)/sizeof(float)); + + f->speech_sample_rate = FREEDV_FS_8000; + f->codec2 = codec2_create(CODEC2_MODE_700C); assert(f->codec2 != NULL); + + f->n_codec_frames = 2; + f->n_speech_samples = f->n_codec_frames*codec2_samples_per_frame(f->codec2); + f->bits_per_codec_frame = codec2_bits_per_frame(f->codec2); + f->bits_per_modem_frame = f->n_codec_frames*codec2_bits_per_frame(f->codec2); + assert(f->bits_per_modem_frame == COHPSK_BITS_PER_FRAME); + + f->tx_payload_bits = (uint8_t*)MALLOC(f->bits_per_modem_frame*sizeof(char)); assert(f->tx_payload_bits != NULL); + f->rx_payload_bits = (uint8_t*)MALLOC(f->bits_per_modem_frame*sizeof(char)); assert(f->rx_payload_bits != NULL); +} + +void freedv_comptx_700c(struct freedv *f, COMP mod_out[]) { + int i; + COMP tx_fdm[f->n_nat_modem_samples]; + int tx_bits[COHPSK_BITS_PER_FRAME]; + + /* earlier modems used one bit per int for unpacked bits */ + for(i=0; itx_payload_bits[i]; + + /* optionally overwrite the codec bits with test frames */ + if (f->test_frames) { + cohpsk_get_test_bits(f->cohpsk, tx_bits); + } + + /* cohpsk modulator */ + cohpsk_mod(f->cohpsk, tx_fdm, tx_bits, COHPSK_BITS_PER_FRAME); + + float gain = 1.0; + if (f->clip_en) { + cohpsk_clip(tx_fdm, COHPSK_CLIP, COHPSK_NOM_SAMPLES_PER_FRAME); + gain = 2.5; + } + for(i=0; in_nat_modem_samples; i++) + mod_out[i] = fcmult(gain*COHPSK_SCALE, tx_fdm[i]); + i = quisk_cfInterpDecim((complex float *)mod_out, f->n_nat_modem_samples, f->ptFilter7500to8000, 16, 15); +} + +// open function for OFDM voice modes +void freedv_ofdm_voice_open(struct freedv *f, char *mode) { + f->snr_squelch_thresh = 0.0; + f->squelch_en = false; + struct OFDM_CONFIG *ofdm_config = (struct OFDM_CONFIG *) calloc(1, sizeof (struct OFDM_CONFIG)); + assert(ofdm_config != NULL); + ofdm_init_mode(mode, ofdm_config); + + f->ofdm = ofdm_create(ofdm_config); + assert(f->ofdm != NULL); + free(ofdm_config); + + ofdm_config = ofdm_get_config_param(f->ofdm); + f->ofdm_bitsperpacket = ofdm_get_bits_per_packet(f->ofdm); + f->ofdm_bitsperframe = ofdm_get_bits_per_frame(f->ofdm); + f->ofdm_nuwbits = ofdm_config->nuwbits; + f->ofdm_ntxtbits = ofdm_config->txtbits; + + f->ldpc = (struct LDPC*)MALLOC(sizeof(struct LDPC)); + assert(f->ldpc != NULL); + + ldpc_codes_setup(f->ldpc, f->ofdm->codename); + ldpc_mode_specific_setup(f->ofdm, f->ldpc); +#ifdef __EMBEDDED__ + f->ldpc->max_iter = 10; /* limit LDPC decoder iterations to limit CPU load */ +#endif + int Nsymsperpacket = ofdm_get_bits_per_packet(f->ofdm) / f->ofdm->bps; + f->rx_syms = (COMP*)MALLOC(sizeof(COMP) * Nsymsperpacket); + assert(f->rx_syms != NULL); + f->rx_amps = (float*)MALLOC(sizeof(float) * Nsymsperpacket); + assert(f->rx_amps != NULL); + for(int i=0; irx_syms[i].real = f->rx_syms[i].imag = 0.0; + f->rx_amps[i]= 0.0; + } + + f->nin = f->nin_prev = ofdm_get_samples_per_frame(f->ofdm); + f->n_nat_modem_samples = ofdm_get_samples_per_frame(f->ofdm); + f->n_nom_modem_samples = ofdm_get_samples_per_frame(f->ofdm); + f->n_max_modem_samples = ofdm_get_max_samples_per_frame(f->ofdm); + f->modem_sample_rate = f->ofdm->config.fs; + f->clip_en = false; + f->sz_error_pattern = f->ofdm_bitsperframe; + + f->tx_bits = NULL; /* not used for 700D */ + + f->speech_sample_rate = FREEDV_FS_8000; + f->codec2 = codec2_create(CODEC2_MODE_700C); assert(f->codec2 != NULL); + /* should be exactly an integer number of Codec 2 frames in a OFDM modem frame */ + assert((f->ldpc->data_bits_per_frame % codec2_bits_per_frame(f->codec2)) == 0); + + f->n_codec_frames = f->ldpc->data_bits_per_frame/codec2_bits_per_frame(f->codec2); + f->n_speech_samples = f->n_codec_frames*codec2_samples_per_frame(f->codec2); + f->bits_per_codec_frame = codec2_bits_per_frame(f->codec2); + f->bits_per_modem_frame = f->n_codec_frames*f->bits_per_codec_frame; + + f->tx_payload_bits = (unsigned char*)MALLOC(f->bits_per_modem_frame); + assert(f->tx_payload_bits != NULL); + f->rx_payload_bits = (unsigned char*)MALLOC(f->bits_per_modem_frame); + assert(f->rx_payload_bits != NULL); + + /* attenuate audio 12dB as channel noise isn't that pleasant */ + f->passthrough_gain = 0.25; + + /* should all add up to a complete frame */ + assert((ofdm_config->ns - 1) * ofdm_config->nc * ofdm_config->bps == + f->ldpc->coded_bits_per_frame + ofdm_config->txtbits + f->ofdm_nuwbits); +} + +// open function for OFDM data modes, TODO consider moving to a new +// (freedv_ofdm_data.c) file +void freedv_ofdm_data_open(struct freedv *f) { + struct OFDM_CONFIG ofdm_config; + char mode[32]; + if (f->mode == FREEDV_MODE_DATAC0) strcpy(mode, "datac0"); + if (f->mode == FREEDV_MODE_DATAC1) strcpy(mode, "datac1"); + if (f->mode == FREEDV_MODE_DATAC3) strcpy(mode, "datac3"); + if (f->mode == FREEDV_MODE_DATAC4) strcpy(mode, "datac4"); + if (f->mode == FREEDV_MODE_DATAC13) strcpy(mode, "datac13"); + + ofdm_init_mode(mode, &ofdm_config); + f->ofdm = ofdm_create(&ofdm_config); + assert(f->ofdm != NULL); + + // LDPC set up + f->ldpc = (struct LDPC*)MALLOC(sizeof(struct LDPC)); + assert(f->ldpc != NULL); + ldpc_codes_setup(f->ldpc, f->ofdm->codename); + ldpc_mode_specific_setup(f->ofdm, f->ldpc); +#ifdef __EMBEDDED__ + f->ldpc->max_iter = 10; /* limit LDPC decoder iterations to limit CPU load */ +#endif + + // useful constants + f->ofdm_bitsperpacket = ofdm_get_bits_per_packet(f->ofdm); + f->ofdm_bitsperframe = ofdm_get_bits_per_frame(f->ofdm); + f->ofdm_nuwbits = ofdm_config.nuwbits; + f->ofdm_ntxtbits = ofdm_config.txtbits; + + /* payload bits per FreeDV API "frame". In OFDM modem nomenclature this is the number of + payload data bits per packet, or the number of data bits in a LDPC codeword */ + f->bits_per_modem_frame = f->ldpc->data_bits_per_frame; + + // buffers for received symbols for one packet/LDPC codeword - may span many OFDM modem frames + int Nsymsperpacket = ofdm_get_bits_per_packet(f->ofdm) / f->ofdm->bps; + f->rx_syms = (COMP*)MALLOC(sizeof(COMP) * Nsymsperpacket); + assert(f->rx_syms != NULL); + f->rx_amps = (float*)MALLOC(sizeof(float) * Nsymsperpacket); + assert(f->rx_amps != NULL); + for(int i=0; irx_syms[i].real = f->rx_syms[i].imag = 0.0; + f->rx_amps[i]= 0.0; + } + + f->nin = f->nin_prev = ofdm_get_nin(f->ofdm); + f->n_nat_modem_samples = ofdm_get_samples_per_packet(f->ofdm); + f->n_nom_modem_samples = ofdm_get_samples_per_frame(f->ofdm); + /* in burst mode we might jump a preamble frame */ + f->n_max_modem_samples = 2*ofdm_get_max_samples_per_frame(f->ofdm); + f->modem_sample_rate = f->ofdm->config.fs; + f->sz_error_pattern = f->ofdm_bitsperpacket; + + // Note inconsistency: freedv API modem "frame" is a OFDM modem packet + f->tx_payload_bits = (unsigned char*)MALLOC(f->bits_per_modem_frame); + assert(f->tx_payload_bits != NULL); + f->rx_payload_bits = (unsigned char*)MALLOC(f->bits_per_modem_frame); + assert(f->rx_payload_bits != NULL); +} + +/* speech or raw data, complex OFDM modulation out */ +void freedv_comptx_ofdm(struct freedv *f, COMP mod_out[]) { + int i, k; + int nspare; + + /* Generate Varicode txt bits (if used), waren't protected by FEC */ + nspare = f->ofdm_ntxtbits; + uint8_t txt_bits[nspare]; + + for(k=0; knvaricode_bits == 0) { + /* get new char and encode */ + char s[2]; + if (f->freedv_get_next_tx_char != NULL) { + s[0] = (*f->freedv_get_next_tx_char)(f->callback_state); + f->nvaricode_bits = varicode_encode(f->tx_varicode_bits, s, VARICODE_MAX_BITS, 1, f->varicode_dec_states.code_num); + f->varicode_bit_index = 0; + } + } + if (f->nvaricode_bits) { + txt_bits[k] = f->tx_varicode_bits[f->varicode_bit_index++]; + f->nvaricode_bits--; + } + else txt_bits[k] = 0; + } + + /* optionally replace payload bits with test frames known to rx */ + if (f->test_frames) { + uint8_t payload_data_bits[f->bits_per_modem_frame]; + ofdm_generate_payload_data_bits(payload_data_bits, f->bits_per_modem_frame); + + for (i = 0; i < f->bits_per_modem_frame; i++) { + f->tx_payload_bits[i] = payload_data_bits[i]; + } + } + + /* OK now ready to LDPC encode, interleave, and OFDM modulate */ + ofdm_ldpc_interleave_tx(f->ofdm, f->ldpc, (complex float*)mod_out, f->tx_payload_bits, txt_bits); +} + + +int freedv_comprx_700c(struct freedv *f, COMP demod_in_8kHz[]) { + int i; + int sync; + + int rx_status = 0; + + // quisk_cfInterpDecim() modifies input data so lets make a copy just in case there + // is no sync and we need to echo inpout to output + + // freedv_nin(f): input samples at Fs=8000 Hz + // f->nin: input samples at Fs=7500 Hz + + COMP demod_in[freedv_nin(f)]; + + for(i=0; iptFilter8000to7500, 15, 16); + + for(i=0; inin; i++) + demod_in[i] = fcmult(1.0/COHPSK_SCALE, demod_in[i]); + + float rx_soft_bits[COHPSK_BITS_PER_FRAME]; + + cohpsk_demod(f->cohpsk, rx_soft_bits, &sync, demod_in, &f->nin); + + for(i=0; ibits_per_modem_frame; i++) + f->rx_payload_bits[i] = rx_soft_bits[i] < 0.0f; + + f->sync = sync; + cohpsk_get_demod_stats(f->cohpsk, &f->stats); + f->snr_est = f->stats.snr_est; + + if (sync) { + rx_status = FREEDV_RX_SYNC; + if (f->test_frames == 0) { + rx_status |= FREEDV_RX_BITS; + } + else { + + if (f->test_frames_diversity) { + /* normal operation - error pattern on frame after diveristy combination */ + short error_pattern[COHPSK_BITS_PER_FRAME]; + int bit_errors; + + /* test data, lets see if we can sync to the test data sequence */ + + char rx_bits_char[COHPSK_BITS_PER_FRAME]; + for(i=0; icohpsk, &f->test_frame_sync_state, error_pattern, &bit_errors, rx_bits_char, 0); + if (f->test_frame_sync_state) { + f->total_bit_errors += bit_errors; + f->total_bits += COHPSK_BITS_PER_FRAME; + if (f->freedv_put_error_pattern != NULL) { + (*f->freedv_put_error_pattern)(f->error_pattern_callback_state, error_pattern, COHPSK_BITS_PER_FRAME); + } + } + } + else { + /* calculate error pattern on uncombined carriers - test mode to spot any carrier specific issues like + tx passband filtering */ + + short error_pattern[2*COHPSK_BITS_PER_FRAME]; + char rx_bits_char[COHPSK_BITS_PER_FRAME]; + int bit_errors_lower, bit_errors_upper; + + /* lower group of carriers */ + + float *rx_bits_lower = cohpsk_get_rx_bits_lower(f->cohpsk); + for(i=0; icohpsk, &f->test_frame_sync_state, error_pattern, &bit_errors_lower, rx_bits_char, 0); + + /* upper group of carriers */ + + float *rx_bits_upper = cohpsk_get_rx_bits_upper(f->cohpsk); + for(i=0; icohpsk, &f->test_frame_sync_state_upper, &error_pattern[COHPSK_BITS_PER_FRAME], &bit_errors_upper, rx_bits_char, 1); + + /* combine total errors and call callback */ + + if (f->test_frame_sync_state && f->test_frame_sync_state_upper) { + f->total_bit_errors += bit_errors_lower + bit_errors_upper; + f->total_bits += 2*COHPSK_BITS_PER_FRAME; + if (f->freedv_put_error_pattern != NULL) { + (*f->freedv_put_error_pattern)(f->error_pattern_callback_state, error_pattern, 2*COHPSK_BITS_PER_FRAME); + } + } + + } + } + + } + + return rx_status; +} + +/* + OFDM demod function that can support complex (float) or real (short) + samples. The real short samples are useful for low memory platforms such as + the SM1000. +*/ + +int freedv_comp_short_rx_ofdm(struct freedv *f, void *demod_in_8kHz, int demod_in_is_short, float gain) { + int i, k; + int n_ascii; + char ascii_out; + struct OFDM *ofdm = f->ofdm; + struct LDPC *ldpc = f->ldpc; + + /* useful constants */ + int Nbitsperframe = ofdm_get_bits_per_frame(ofdm); + int Nbitsperpacket = ofdm_get_bits_per_packet(ofdm); + int Nsymsperframe = Nbitsperframe / ofdm->bps; + int Nsymsperpacket = Nbitsperpacket / ofdm->bps; + int Npayloadbitsperpacket = Nbitsperpacket - ofdm->nuwbits - ofdm->ntxtbits; + int Npayloadsymsperpacket = Npayloadbitsperpacket/ofdm->bps; + int Ndatabitsperpacket = ldpc->data_bits_per_frame; + + complex float *rx_syms = (complex float*)f->rx_syms; + float *rx_amps = f->rx_amps; + + int rx_bits[Nbitsperframe]; + short txt_bits[f->ofdm_ntxtbits]; + COMP payload_syms[Npayloadsymsperpacket]; + float payload_amps[Npayloadsymsperpacket]; + + int Nerrs_raw = 0; + int Nerrs_coded = 0; + int iter = 0; + int parityCheckCount = 0; + uint8_t rx_uw[f->ofdm_nuwbits]; + + float new_gain = gain / f->ofdm->amp_scale; + + assert((demod_in_is_short == 0) || (demod_in_is_short == 1)); + + int rx_status = 0; + float EsNo = 3.0; /* further work: estimate this properly from signal */ + f->sync = 0; + + /* looking for OFDM modem sync */ + if (ofdm->sync_state == search) { + if (demod_in_is_short) + ofdm_sync_search_shorts(f->ofdm, (short*)demod_in_8kHz, new_gain); + else + ofdm_sync_search(f->ofdm, (COMP*)demod_in_8kHz); + f->snr_est = -5.0; + } + + if ((ofdm->sync_state == synced) || (ofdm->sync_state == trial)) { + /* OK we have OFDM modem sync */ + rx_status |= FREEDV_RX_SYNC; + if (ofdm->sync_state == trial) rx_status |= FREEDV_RX_TRIAL_SYNC; + if (demod_in_is_short) + ofdm_demod_shorts(ofdm, rx_bits, (short*)demod_in_8kHz, new_gain); + else + ofdm_demod(ofdm, rx_bits, (COMP*)demod_in_8kHz); + + /* accumulate a buffer of data symbols for this packet */ + for(i=0; irx_np, sizeof(complex float)*Nsymsperframe); + memcpy(&rx_amps[Nsymsperpacket-Nsymsperframe], ofdm->rx_amp, sizeof(float)*Nsymsperframe); + + /* look for UW as frames enter packet buffer, note UW may span several modem frames */ + int st_uw = Nsymsperpacket - ofdm->nuwframes*Nsymsperframe; + ofdm_extract_uw(ofdm, &rx_syms[st_uw], &rx_amps[st_uw], rx_uw); + + // update some FreeDV API level stats + f->sync = 1; + + if (ofdm->modem_frame == (ofdm->np-1)) { + /* we have received enough modem frames to complete packet and run LDPC decoder */ + int txt_sym_index = 0; + ofdm_disassemble_qpsk_modem_packet_with_text_amps(ofdm, rx_syms, rx_amps, payload_syms, payload_amps, txt_bits, &txt_sym_index); + + COMP payload_syms_de[Npayloadsymsperpacket]; + float payload_amps_de[Npayloadsymsperpacket]; + gp_deinterleave_comp (payload_syms_de, payload_syms, Npayloadsymsperpacket); + gp_deinterleave_float(payload_amps_de, payload_amps, Npayloadsymsperpacket); + + float llr[Npayloadbitsperpacket]; + uint8_t decoded_codeword[Npayloadbitsperpacket]; + symbols_to_llrs(llr, payload_syms_de, payload_amps_de, + EsNo, ofdm->mean_amp, Npayloadsymsperpacket); + ldpc_decode_frame(ldpc, &parityCheckCount, &iter, decoded_codeword, llr); + //iter = run_ldpc_decoder(ldpc, decoded_codeword, llr, &parityCheckCount); + memcpy(f->rx_payload_bits, decoded_codeword, Ndatabitsperpacket); + + if (strlen(ofdm->data_mode)) { + // we need a valid CRC to declare a data packet valid + if (freedv_check_crc16_unpacked(f->rx_payload_bits, Ndatabitsperpacket)) + rx_status |= FREEDV_RX_BITS; + else + rx_status |= FREEDV_RX_BIT_ERRORS; + } else { + + // voice modes aren't as strict - pass everything through to the speech decoder, but flag + // frame with possible errors + rx_status |= FREEDV_RX_BITS; + if (parityCheckCount != ldpc->NumberParityBits) + rx_status |= FREEDV_RX_BIT_ERRORS; + } + + if (f->test_frames) { + /* est uncoded BER from payload bits */ + Nerrs_raw = count_uncoded_errors(ldpc, &f->ofdm->config, payload_syms_de, strlen(ofdm->data_mode)); + f->total_bit_errors += Nerrs_raw; + f->total_bits += Npayloadbitsperpacket; + + /* coded errors from decoded bits */ + uint8_t payload_data_bits[Ndatabitsperpacket]; + ofdm_generate_payload_data_bits(payload_data_bits, Ndatabitsperpacket); + if (strlen(ofdm->data_mode)) { + uint16_t tx_crc16 = freedv_crc16_unpacked(payload_data_bits, Ndatabitsperpacket - 16); + uint8_t tx_crc16_bytes[] = { tx_crc16 >> 8, tx_crc16 & 0xff }; + freedv_unpack(payload_data_bits + Ndatabitsperpacket - 16, tx_crc16_bytes, 16); + } + Nerrs_coded = count_errors(payload_data_bits, f->rx_payload_bits, Ndatabitsperpacket); + f->total_bit_errors_coded += Nerrs_coded; + f->total_bits_coded += Ndatabitsperpacket; + if (Nerrs_coded) f->total_packet_errors++; + f->total_packets++; + } + + /* decode txt bits (if used) */ + for(k=0; kofdm_ntxtbits; k++) { + if (k % 2 == 0 && (f->freedv_put_next_rx_symbol != NULL)) + { + (*f->freedv_put_next_rx_symbol)(f->callback_state_sym, rx_syms[txt_sym_index], rx_amps[txt_sym_index]); + txt_sym_index++; + } + n_ascii = varicode_decode(&f->varicode_dec_states, &ascii_out, &txt_bits[k], 1, 1); + if (n_ascii && (f->freedv_put_next_rx_char != NULL)) { + (*f->freedv_put_next_rx_char)(f->callback_state, ascii_out); + } + } + + ofdm_get_demod_stats(ofdm, &f->stats, rx_syms, Nsymsperpacket); + f->snr_est = f->stats.snr_est; + } /* complete packet */ + + if ((ofdm->np == 1) && (ofdm->modem_frame == 0)) { + /* add in UW bit errors, useful in non-testframe, + single modem frame per packet modes */ + for(i=0; iofdm_nuwbits; i++) { + if (rx_uw[i] != ofdm->tx_uw[i]) { + f->total_bit_errors++; + } + } + f->total_bits += f->ofdm_nuwbits; + } + + } + + /* iterate state machine and update nin for next call */ + + f->nin = ofdm_get_nin(ofdm); + ofdm_sync_state_machine(ofdm, rx_uw); + + int print_full = 0; int print_truncated = 0; + if (f->verbose && ((rx_status & FREEDV_RX_BITS) || (rx_status & FREEDV_RX_BIT_ERRORS))) + print_full = 1; + if ((f->verbose == 2) && !((rx_status & FREEDV_RX_BITS) || (rx_status & FREEDV_RX_BIT_ERRORS))) + print_truncated = 1; + if (print_full) { + fprintf(stderr, "%3d nin: %4d st: %-6s euw: %2d %2d mf: %2d f: %5.1f pbw: %d snr: %4.1f eraw: %4d ecdd: %4d iter: %3d " + "pcc: %4d rxst: %s\n", + f->frames++, ofdm->nin, + ofdm_statemode[ofdm->last_sync_state], + ofdm->uw_errors, + ofdm->sync_counter, + ofdm->modem_frame, + (double)ofdm->foff_est_hz, ofdm->phase_est_bandwidth, + (double)f->snr_est, Nerrs_raw, Nerrs_coded, iter, parityCheckCount, rx_sync_flags_to_text[rx_status]); + } + if (print_truncated) { + fprintf(stderr, "%3d nin: %4d st: %-6s euw: %2d %2d mf: %2d f: %5.1f pbw: %d " + " rxst: %s\n", + f->frames++, ofdm->nin, + ofdm_statemode[ofdm->last_sync_state], + ofdm->uw_errors, + ofdm->sync_counter, + ofdm->modem_frame, + (double)ofdm->foff_est_hz, ofdm->phase_est_bandwidth, + rx_sync_flags_to_text[rx_status]); + } + + return rx_status; +} -- cgit v1.2.3