mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-12-24 19:00:36 -05:00
DSDplus library: interim state #2
This commit is contained in:
f4exb
parent
dd39afdc64
commit
e7906225b2
@ -4,6 +4,7 @@ set(dsdplus_SOURCES
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dmr_voice.cpp
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dsd_decoder.cpp
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dsd_filters.cpp
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dsd_mbe.cpp
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dsd_opts.cpp
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dsd_state.cpp
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)
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@ -12,6 +13,7 @@ set(dsdplus_HEADERS
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dmr_voice.h
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dsd_decoder.h
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dsd_filters.h
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dsd_mbe.h
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dsd_opts.h
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dsd_state.h
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)
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@ -123,6 +123,9 @@ void DSDDMRVoice::process()
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case 9:
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processSlot9(symbolIndex);
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break;
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case 10:
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postProcess(symbolIndex);
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break;
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default:
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break;
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}
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@ -167,6 +170,16 @@ void DSDDMRVoice::preProcess()
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m_symbolIndex = 144; // advance the main symbol index
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}
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void DSDDMRVoice::postProcess(int symbolIndex)
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{
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m_dsdDecoder->getDibit(); // get dibit from symbol but do nothing with it
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if (symbolIndex == 54+12+54-1) // very last symbol -> go back to search sync state
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{
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m_dsdDecoder->m_fsmState = DSDDecoder::DSDLookForSync;
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}
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}
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void DSDDMRVoice::processSlot0(int symbolIndex) // Slot0 is a 54 symbol slot
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{
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m_dsdDecoder->getDibit(); // get dibit from symbol but do nothing with it
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@ -216,7 +229,6 @@ void DSDDMRVoice::processSlot1(int symbolIndex) // Slot1 is a 12 symbol slot
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}
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cachdata[12] = 0;
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m_dibitIndex = 0; // done with the cache -> reset index
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}
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}
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@ -294,7 +306,7 @@ void DSDDMRVoice::processSlot4(int symbolIndex) // Slot4 is a 24 symbol slot
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{
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int *dibitCache = &m_dibitCache[m_dibitIndex - symbolIndex]; // move back to start of corresponding cache section
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for (int i = 0; i < 18; i++)
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for (int i = 0; i < 24; i++)
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{
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int dibit = dibitCache[i];
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@ -339,7 +351,7 @@ void DSDDMRVoice::processSlot4(int symbolIndex) // Slot4 is a 24 symbol slot
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if ((m_majorBlock == 0) && (m_dsdDecoder->m_opts.errorbars == 1))
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{
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fprintf(stderr, "%s %s VOICE e:", m_dsdDecoder->m_state.slot0light, m_dsdDecoder->m_state.slot1light);
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fprintf(m_dsdDecoder->m_state.logfile, "%s %s VOICE e:", m_dsdDecoder->m_state.slot0light, m_dsdDecoder->m_state.slot1light);
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}
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}
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}
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@ -380,5 +392,80 @@ void DSDDMRVoice::processSlot5(int symbolIndex) // Slot5 is a 18 symbol slot
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}
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}
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void DSDDMRVoice::processSlot6(int symbolIndex) // Slot6 is a 36 symbol slot
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{
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int dibit = m_dsdDecoder->getDibit(); // get dibit from symbol and store it in cache
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m_dibitCache[m_dibitIndex] = dibit;
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if (symbolIndex == 36-1) // last symbol -> launch process
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{
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int *dibitCache = &m_dibitCache[m_dibitIndex - symbolIndex]; // move back to start of corresponding cache section
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// current slot frame 3
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w = rW;
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x = rX;
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y = rY;
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z = rZ;
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for (int i = 0; i < 36; i++)
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{
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int dibit = dibitCache[i];
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ambe_fr3[*w][*x] = (1 & (dibit >> 1)); // bit 1
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ambe_fr3[*y][*z] = (1 & dibit); // bit 0
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w++;
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x++;
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y++;
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z++;
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}
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if (mutecurrentslot == 0)
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{
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m_dsdDecoder->m_mbeDecoder.processFrame(0, ambe_fr3, 0);
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}
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}
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}
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void DSDDMRVoice::processSlot7(int symbolIndex) // Slot7 is a 12 symbol slot
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{
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int dibit = m_dsdDecoder->getDibit(); // get dibit from symbol and store it in cache
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m_dibitCache[m_dibitIndex] = dibit;
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if (symbolIndex == 12-1) // last symbol -> launch process
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{
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int *dibitCache = &m_dibitCache[m_dibitIndex - symbolIndex]; // move back to start of corresponding cache section
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// CACH
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for (int i = 0; i < 12; i++)
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{
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int dibit = dibitCache[i];
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cachdata[i] = dibit;
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}
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cachdata[12] = 0;
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}
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}
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void DSDDMRVoice::processSlot9(int symbolIndex) // Slot9 is a 24 symbol slot
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{
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int dibit = m_dsdDecoder->getDibit(); // get dibit from symbol and store it in cache
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m_dibitCache[m_dibitIndex] = dibit;
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if (symbolIndex == 24-1) // last symbol -> launch process
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{
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int *dibitCache = &m_dibitCache[m_dibitIndex - symbolIndex]; // move back to start of corresponding cache section
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for (int i = 0; i < 24; i++)
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{
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int dibit = dibitCache[i];
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syncdata[i] = dibit;
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sync[i] = (dibit | 1) + 48;
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}
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sync[24] = 0;
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syncdata[24] = 0;
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}
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}
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} // namespace dsdplus
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@ -109,6 +109,11 @@ private:
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m_slotIndex = 9;
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return symbolInMajorBlockIndex - 54+12+36+18+24+18+36+12+54;
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}
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else if (symbolInMajorBlockIndex < 54+12+36+18+24+18+36+12+54+24+54+12+54)
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{
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m_slotIndex = 10; // dummy slot for last skipped symbols
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return symbolInMajorBlockIndex - 54+12+36+18+24+18+36+12+54+24;
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}
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else // cannot go there if using this function in its valid context (input is a remainder of division by 288)
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{
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m_slotIndex = -1; // invalid slot
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@ -116,7 +121,8 @@ private:
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}
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}
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void preProcess(); //!< process the 144 in memory dibits in initial phase
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void preProcess(); //!< process the 144 in memory dibits in initial phase
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void postProcess(int symbolIndex); //!< skip 54 + 12 + 54 symbols at the end of the last slot (block 5 slot 9)
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void processSlot0(int symbolIndex);
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void processSlot1(int symbolIndex);
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void processSlot2(int symbolIndex);
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@ -150,7 +156,6 @@ private:
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static const int rX[36];
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static const int rY[36];
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static const int rZ[36];
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};
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}
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@ -30,10 +30,12 @@ DSDDecoder::DSDDecoder() :
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resetSymbol();
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resetFrameSync();
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noCarrier();
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m_state.logfile = fdopen(fileno(stderr), (const char *) 'w');
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}
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DSDDecoder::~DSDDecoder()
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{
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fclose(m_state.logfile);
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}
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void DSDDecoder::run(short sample)
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@ -183,7 +185,7 @@ bool DSDDecoder::pushSample(short sample, int have_sync)
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if ((m_opts.symboltiming == 1) && (have_sync == 0)
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&& (m_state.lastsynctype != -1))
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{
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fprintf(stderr, "O");
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fprintf(m_state.logfile, "O");
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}
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}
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else
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@ -191,7 +193,7 @@ bool DSDDecoder::pushSample(short sample, int have_sync)
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if ((m_opts.symboltiming == 1) && (have_sync == 0)
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&& (m_state.lastsynctype != -1))
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{
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fprintf(stderr, "+");
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fprintf(m_state.logfile, "+");
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}
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if ((m_state.jitter < 0)
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&& (m_state.lastsample < m_state.center)
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@ -220,7 +222,7 @@ bool DSDDecoder::pushSample(short sample, int have_sync)
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if ((m_opts.symboltiming == 1) && (have_sync == 0)
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&& (m_state.lastsynctype != -1))
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{
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fprintf(stderr, "X");
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fprintf(m_state.logfile, "X");
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}
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}
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else
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@ -228,7 +230,7 @@ bool DSDDecoder::pushSample(short sample, int have_sync)
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if ((m_opts.symboltiming == 1) && (have_sync == 0)
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&& (m_state.lastsynctype != -1))
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{
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fprintf(stderr, "-");
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fprintf(m_state.logfile, "-");
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}
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if ((m_state.jitter < 0)
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&& (m_state.lastsample > m_state.center)
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@ -278,11 +280,11 @@ bool DSDDecoder::pushSample(short sample, int have_sync)
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{
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if (m_state.jitter >= 0)
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{
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fprintf(stderr, " %i\n", m_state.jitter);
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fprintf(m_state.logfile, " %i\n", m_state.jitter);
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}
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else
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{
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fprintf(stderr, "\n");
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fprintf(m_state.logfile, "\n");
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}
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}
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@ -394,25 +396,25 @@ int DSDDecoder::getDibit()
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if (m_state.symbolcnt > (4800 / m_opts.scoperate))
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{
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m_state.symbolcnt = 0;
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fprintf(stderr, "\n");
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fprintf(stderr,
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fprintf(m_state.logfile, "\n");
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fprintf(m_state.logfile,
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"Demod mode: %s Nac: %4X\n",
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modulation, m_state.nac);
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fprintf(stderr,
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fprintf(m_state.logfile,
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"Frame Type: %s Talkgroup: %7i\n",
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m_state.ftype, m_state.lasttg);
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fprintf(stderr,
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fprintf(m_state.logfile,
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"Frame Subtype: %s Source: %12i\n",
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m_state.fsubtype, m_state.lastsrc);
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fprintf(stderr,
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fprintf(m_state.logfile,
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"TDMA activity: %s %s Voice errors: %s\n",
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m_state.slot0light, m_state.slot1light, m_state.err_str);
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fprintf(stderr,
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fprintf(m_state.logfile,
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"+----------------------------------------------------------------+\n");
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for (i = 0; i < 10; i++)
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{
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fprintf(stderr, "|");
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fprintf(m_state.logfile, "|");
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for (j = 0; j < 64; j++)
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{
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@ -421,26 +423,26 @@ int DSDDecoder::getDibit()
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if ((j == ((m_state.min) + 32768) / 1024)
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|| (j == ((m_state.max) + 32768) / 1024))
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{
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fprintf(stderr, "#");
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fprintf(m_state.logfile, "#");
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}
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else if ((j == ((m_state.lmid) + 32768) / 1024)
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|| (j == ((m_state.umid) + 32768) / 1024))
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{
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fprintf(stderr, "^");
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fprintf(m_state.logfile, "^");
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}
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else if (j == (m_state.center + 32768) / 1024)
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{
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fprintf(stderr, "!");
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fprintf(m_state.logfile, "!");
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}
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else
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{
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if (j == 32)
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{
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fprintf(stderr, "|");
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fprintf(m_state.logfile, "|");
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}
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else
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{
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fprintf(stderr, " ");
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fprintf(m_state.logfile, " ");
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}
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}
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}
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@ -448,24 +450,24 @@ int DSDDecoder::getDibit()
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{
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if (spectrum[j] > 9 - i)
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{
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fprintf(stderr, "*");
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fprintf(m_state.logfile, "*");
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}
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else
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{
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if (j == 32)
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{
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fprintf(stderr, "|");
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fprintf(m_state.logfile, "|");
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}
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else
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{
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fprintf(stderr, " ");
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fprintf(m_state.logfile, " ");
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}
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}
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}
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}
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fprintf(stderr, "|\n");
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fprintf(m_state.logfile, "|\n");
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}
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fprintf(stderr,
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fprintf(m_state.logfile,
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"+----------------------------------------------------------------+\n");
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}
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}
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@ -607,7 +609,7 @@ void DSDDecoder::resetFrameSync()
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if ((m_opts.symboltiming == 1) && (m_state.carrier == 1))
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{
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fprintf(stderr, "\nSymbol Timing:\n");
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fprintf(m_state.logfile, "\nSymbol Timing:\n");
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}
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m_fsmState = DSDLookForSync;
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@ -617,19 +619,19 @@ void DSDDecoder::printFrameSync(const char *frametype, int offset, char *modulat
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{
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if (m_opts.verbose > 0)
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{
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fprintf(stderr, "Sync: %s ", frametype);
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fprintf(m_state.logfile, "Sync: %s ", frametype);
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}
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if (m_opts.verbose > 2)
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{
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fprintf(stderr, "o: %4i ", offset);
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fprintf(m_state.logfile, "o: %4i ", offset);
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}
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if (m_opts.verbose > 1)
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{
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fprintf(stderr, "mod: %s ", modulation);
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fprintf(m_state.logfile, "mod: %s ", modulation);
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}
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if (m_opts.verbose > 2)
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{
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fprintf(stderr, "g: %f ", m_state.aout_gain);
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fprintf(m_state.logfile, "g: %f ", m_state.aout_gain);
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}
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}
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@ -821,26 +823,26 @@ int DSDDecoder::getFrameSync()
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{
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m_state.symbolcnt = 0;
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fprintf(stderr, "\n");
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fprintf(stderr,
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fprintf(m_state.logfile, "\n");
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fprintf(m_state.logfile,
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"Demod mode: %s Nac: %4X\n",
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m_modulation, m_state.nac);
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fprintf(stderr,
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fprintf(m_state.logfile,
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"Frame Type: %s Talkgroup: %7i\n",
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m_state.ftype, m_state.lasttg);
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fprintf(stderr,
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fprintf(m_state.logfile,
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"Frame Subtype: %s Source: %12i\n",
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m_state.fsubtype, m_state.lastsrc);
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fprintf(stderr,
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fprintf(m_state.logfile,
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"TDMA activity: %s %s Voice errors: %s\n",
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m_state.slot0light, m_state.slot1light,
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m_state.err_str);
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fprintf(stderr,
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fprintf(m_state.logfile,
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"+----------------------------------------------------------------+\n");
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for (int i = 0; i < 10; i++)
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{
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fprintf(stderr, "|");
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fprintf(m_state.logfile, "|");
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for (int j = 0; j < 64; j++)
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{
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@ -848,21 +850,21 @@ int DSDDecoder::getFrameSync()
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{
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if ((j == ((m_state.min) + 32768) / 1024) || (j == ((m_state.max) + 32768) / 1024))
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{
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fprintf(stderr, "#");
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fprintf(m_state.logfile, "#");
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}
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else if (j == (m_state.center + 32768) / 1024)
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{
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fprintf(stderr, "!");
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fprintf(m_state.logfile, "!");
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}
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else
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{
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if (j == 32)
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{
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fprintf(stderr, "|");
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fprintf(m_state.logfile, "|");
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}
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else
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{
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fprintf(stderr, " ");
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fprintf(m_state.logfile, " ");
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}
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}
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}
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@ -870,26 +872,26 @@ int DSDDecoder::getFrameSync()
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{
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if (m_spectrum[j] > 9 - i)
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{
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fprintf(stderr, "*");
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fprintf(m_state.logfile, "*");
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}
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else
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{
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if (j == 32)
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{
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fprintf(stderr, "|");
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fprintf(m_state.logfile, "|");
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}
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else
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{
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fprintf(stderr, " ");
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fprintf(m_state.logfile, " ");
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}
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}
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}
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}
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fprintf(stderr, "|\n");
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fprintf(m_state.logfile, "|\n");
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}
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fprintf(stderr,
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fprintf(m_state.logfile,
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"+----------------------------------------------------------------+\n");
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}
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}
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@ -1560,19 +1562,19 @@ void DSDDecoder::printFrameInfo()
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if (m_opts.verbose > 0)
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{
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fprintf(stderr, "inlvl: %2i%% ", level);
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fprintf(m_state.logfile, "inlvl: %2i%% ", level);
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}
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if (m_state.nac != 0)
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||||
{
|
||||
fprintf(stderr, "nac: %4X ", m_state.nac);
|
||||
fprintf(m_state.logfile, "nac: %4X ", m_state.nac);
|
||||
}
|
||||
|
||||
if (m_opts.verbose > 1)
|
||||
{
|
||||
fprintf(stderr, "src: %8i ", m_state.lastsrc);
|
||||
fprintf(m_state.logfile, "src: %8i ", m_state.lastsrc);
|
||||
}
|
||||
|
||||
fprintf(stderr, "tg: %5i ", m_state.lasttg);
|
||||
fprintf(m_state.logfile, "tg: %5i ", m_state.lasttg);
|
||||
}
|
||||
|
||||
int DSDDecoder::comp(const void *a, const void *b)
|
||||
@ -1609,7 +1611,7 @@ void DSDDecoder::processFrame()
|
||||
if (m_opts.verbose > 0)
|
||||
{
|
||||
int level = (int) m_state.max / 164;
|
||||
fprintf(stderr, "inlvl: %2i%% ", level);
|
||||
fprintf(m_state.logfile, "inlvl: %2i%% ", level);
|
||||
}
|
||||
}
|
||||
|
||||
@ -1655,7 +1657,7 @@ void DSDDecoder::processFrame()
|
||||
if (m_opts.verbose > 0)
|
||||
{
|
||||
int level = (int) m_state.max / 164;
|
||||
fprintf(stderr, "inlvl: %2i%% ", level);
|
||||
fprintf(m_state.logfile, "inlvl: %2i%% ", level);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -63,6 +63,7 @@ namespace DSDplus
|
||||
|
||||
class DSDDecoder
|
||||
{
|
||||
friend class DSDMBEDecoder;
|
||||
friend class DSDDMRVoice;
|
||||
public:
|
||||
typedef enum
|
||||
|
||||
@ -104,6 +104,7 @@ public:
|
||||
int output_num_samples;
|
||||
int output_length;
|
||||
int output_finished;
|
||||
FILE *logfile;
|
||||
};
|
||||
|
||||
} // namespace dsdplus
|
||||
|
||||
Loading…
Reference in New Issue
Block a user