コード例 #1
0
ファイル: flexframesync.c プロジェクト: Clivia/liquid-dsp
// destroy frame synchronizer object, freeing all internal memory
void flexframesync_destroy(flexframesync _q)
{
#if DEBUG_FLEXFRAMESYNC
    // clean up debug objects (if created)
    if (_q->debug_objects_created) {
        windowcf_destroy(_q->debug_x);
    }
#endif

    // destroy synchronization objects
    detector_cccf_destroy(_q->frame_detector);  // frame detector
    windowcf_destroy(_q->buffer);               // p/n sample buffer
    firpfb_crcf_destroy(_q->mf);                // matched filter
    firpfb_crcf_destroy(_q->dmf);               // derivative matched filter
    nco_crcf_destroy(_q->nco_coarse);           // coarse NCO
    nco_crcf_destroy(_q->nco_fine);             // fine-tuned NCO

    modem_destroy(_q->demod_header);            // header demodulator
    packetizer_destroy(_q->p_header);           // header packetizer
    modem_destroy(_q->demod_payload);           // payload demodulator
    packetizer_destroy(_q->p_payload);          // payload decoder

    // free buffers and arrays
    free(_q->payload_mod);      // 
    free(_q->payload_enc);      // 
    free(_q->payload_dec);      // 

    // free main object memory
    free(_q);
}
コード例 #2
0
ファイル: flexframesync.c プロジェクト: 0xLeo/liquid-dsp
// destroy frame synchronizer object, freeing all internal memory
void flexframesync_destroy(flexframesync _q)
{
#if DEBUG_FLEXFRAMESYNC
    // clean up debug objects (if created)
    if (_q->debug_objects_created)
        windowcf_destroy(_q->debug_x);
#endif

    // free allocated arrays
    free(_q->preamble_pn);
    free(_q->preamble_rx);
    free(_q->header_sym);
    free(_q->header_mod);
    free(_q->header_dec);
    free(_q->payload_sym);
    free(_q->payload_dec);

    // destroy synchronization objects
    qpilotsync_destroy    (_q->header_pilotsync); // header demodulator/decoder
    qpacketmodem_destroy  (_q->header_decoder);   // header demodulator/decoder
    modem_destroy         (_q->payload_demod);    // payload demodulator (for PLL)
    qpacketmodem_destroy  (_q->payload_decoder);  // payload demodulator/decoder
    qdetector_cccf_destroy(_q->detector);         // frame detector
    firpfb_crcf_destroy   (_q->mf);               // matched filter
    nco_crcf_destroy      (_q->mixer);            // oscillator (coarse)
    nco_crcf_destroy      (_q->pll);              // oscillator (fine)
#if FLEXFRAMESYNC_ENABLE_EQ
    eqlms_cccf_destroy    (_q->equalizer);        // LMS equalizer
#endif

    // free main object memory
    free(_q);
}