diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/EtiReader.cpp | 6 | ||||
| -rw-r--r-- | src/OutputUHD.cpp | 35 | ||||
| -rw-r--r-- | src/TimestampDecoder.cpp | 20 |
3 files changed, 34 insertions, 27 deletions
diff --git a/src/EtiReader.cpp b/src/EtiReader.cpp index f7376cc..fe54f55 100644 --- a/src/EtiReader.cpp +++ b/src/EtiReader.cpp @@ -297,11 +297,13 @@ bool EtiReader::sourceContainsTimestamp() double EtiReader::getPPSOffset() { - if (!sourceContainsTimestamp()) + if (!sourceContainsTimestamp()) { + //fprintf(stderr, "****** SOURCE NO TS\n"); return 0.0; + } uint32_t timestamp = ntohl(eti_tist.TIST) & 0xFFFFFF; - //fprintf(stderr, "TIST 0x%x\n", timestamp); + //fprintf(stderr, "****** TIST 0x%x\n", timestamp); double pps = timestamp / 16384000.0; // seconds return pps; diff --git a/src/OutputUHD.cpp b/src/OutputUHD.cpp index 927d2e6..3d8eea6 100644 --- a/src/OutputUHD.cpp +++ b/src/OutputUHD.cpp @@ -346,7 +346,10 @@ void UHDWorker::process() md.start_of_burst = false; md.end_of_burst = false; + int expected_next_fct = -1; + while (running) { + bool fct_discontinuity = false; md.has_time_spec = false; md.time_spec = uhd::time_spec_t(0.0); num_acc_samps = 0; @@ -376,19 +379,20 @@ void UHDWorker::process() sizeIn = uwd->bufsize / sizeof(complexf); -#if FAKE_UHD + /* Verify that the FCT value is correct. If we miss one transmission + * frame we must interrupt UHD and resync to the timestamps + */ if (expected_next_fct != -1) { - if (expected_next_fct != frame->ts.fct) { + if (expected_next_fct != (int)frame->ts.fct) { uwd->logger->level(warn) << "OutputUHD: Incorrect expect fct " << frame->ts.fct; - // TODO here we should disrupt the UHD streamer so that - // it resyncs to the correct timestamps + fct_discontinuity = true; } } expected_next_fct = (frame->ts.fct + uwd->fct_increment) % 250; -#else + // Check for ref_lock if (uwd->check_refclk_loss) { @@ -482,7 +486,6 @@ void UHDWorker::process() goto loopend; } } -#endif PDEBUG("UHDWorker::process:max_num_samps: %zu.\n", usrp_max_num_samps); @@ -492,8 +495,13 @@ void UHDWorker::process() //ensure the the last packet has EOB set if the timestamps has been //refreshed and need to be reconsidered. - md.end_of_burst = (frame->ts.timestamp_refresh && - (samps_to_send <= usrp_max_num_samps)); + //Also, if we saw that the FCT did not increment as expected, which + //could be due to a lost incoming packet. + md.end_of_burst = ( + uwd->sourceContainsTimestamp && + (frame->ts.timestamp_refresh || fct_discontinuity) && + samps_to_send <= usrp_max_num_samps ); + #if FAKE_UHD // This is probably very approximate @@ -586,17 +594,6 @@ void UHDWorker::process() } } #endif - - /* - bool got_async_burst_ack = false; - //loop through all messages for the ACK packet (may have underflow messages in queue) - while (not got_async_burst_ack and uwd->myUsrp->get_device()->recv_async_msg(async_md, 0.2)){ - got_async_burst_ack = (async_md.event_code == uhd::async_metadata_t::EVENT_CODE_BURST_ACK); - } - //std::cerr << (got_async_burst_ack? "success" : "fail") << std::endl; - // */ - - } last_pps = pps_offset; diff --git a/src/TimestampDecoder.cpp b/src/TimestampDecoder.cpp index 1bb4dd2..96c84c0 100644 --- a/src/TimestampDecoder.cpp +++ b/src/TimestampDecoder.cpp @@ -35,7 +35,7 @@ #include "Eti.h" #include "Log.h" -//#define MDEBUG(fmt, args...) fprintf (LOG, fmt , ## args) +//#define MDEBUG(fmt, args...) fprintf (LOG, "*****" fmt , ## args) #define MDEBUG(fmt, args...) PDEBUG(fmt, ## args) @@ -52,6 +52,7 @@ void TimestampDecoder::calculateTimestamp(struct frame_timestamp& ts) ts_queued->timestamp_refresh = offset_changed; offset_changed = false; + MDEBUG("time_secs=%d, time_pps=%f\n", time_secs, time_pps); *ts_queued += timestamp_offset; queue_timestamps.push(ts_queued); @@ -90,7 +91,7 @@ void TimestampDecoder::calculateTimestamp(struct frame_timestamp& ts) delete ts_queued; } - PDEBUG("Timestamp queue size %zu, delay_calc %u\n", + MDEBUG("Timestamp queue size %zu, delay_calc %u\n", queue_timestamps.size(), modconfig.delay_calculation_pipeline_stages); @@ -157,13 +158,14 @@ void TimestampDecoder::pushMNSCData(int framephase, uint16_t mnsc) void TimestampDecoder::updateTimestampSeconds(uint32_t secs) { - MDEBUG("TimestampDecoder::updateTimestampSeconds(%d)\n", secs); if (inhibit_second_update > 0) { + MDEBUG("TimestampDecoder::updateTimestampSeconds(%d) inhibit\n", secs); inhibit_second_update--; } else { + MDEBUG("TimestampDecoder::updateTimestampSeconds(%d) apply\n", secs); time_secs = secs; } } @@ -229,13 +231,16 @@ bool TimestampDecoder::updateModulatorOffset() } catch (bad_lexical_cast& e) { - myLogger.level(error) << "Error parsing timestamp offset from file '" << modconfig.offset_filename << "'"; + myLogger.level(error) << + "Error parsing timestamp offset from file '" << + modconfig.offset_filename << "'"; r = false; } } else { - myLogger.level(error) << "Error reading from timestamp offset file: eof reached\n"; + myLogger.level(error) << + "Error reading from timestamp offset file: eof reached\n"; r = false; } filestream.close(); @@ -252,7 +257,9 @@ bool TimestampDecoder::updateModulatorOffset() if (timestamp_offset != newoffset) { timestamp_offset = newoffset; - myLogger.level(info) << "TimestampDecoder::updateTimestampOffset: new offset is " << timestamp_offset; + myLogger.level(info) << + "TimestampDecoder::updateTimestampOffset: new offset is " << + timestamp_offset; offset_changed = true; } @@ -264,3 +271,4 @@ bool TimestampDecoder::updateModulatorOffset() return false; } } + |