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Caculare from preamble start instead

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This commit is contained in:
Harald Barth 2024-09-28 21:35:28 +02:00
parent cbec612b0f
commit 212708d88f
1 changed files with 5 additions and 2 deletions
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7
DCCWaveform.cpp
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@ -163,9 +163,12 @@ void DCCWaveform::interrupt2() {
if (remainingPreambles==1) promotePendingPacket();
else if (isMainTrack && railcomActive) {
// cutout has ended so its now possible to poll the railcom detectors
if (remainingPreambles==5) railcomSampleWindow=true;
// requiredPreambles is one higher that preamble length so
// if preamble length is 16 then this evaluates to 5
if (remainingPreambles==(requiredPreambles-12)) railcomSampleWindow=true;
// cutout can be ended when read
else if (remainingPreambles==14) DCCTimer::ackRailcomTimer();
// see above for requiredPreambles
else if (remainingPreambles==(requiredPreambles-3)) DCCTimer::ackRailcomTimer();
}
// Update free memory diagnostic as we don't have anything else to do this time.
// Allow for checkAck and its called functions using 22 bytes more.