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Encapsulate RadioLibInterface receive IRQ logic (#4866)

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* Encapsulate RadioLibInterface receive IRQ logic

* More concise

* Trunk
This commit is contained in:
Ben Meadors
2024-09-25 16:19:18 -05:00
committed by GitHub
parent 51e4b364b0
commit baf9cf5a59
9 changed files with 30 additions and 78 deletions
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22
src/mesh/RadioLibInterface.cpp
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@@ -129,6 +129,28 @@ bool RadioLibInterface::canSendImmediately()
return true;
}
bool RadioLibInterface::receiveDetected(uint16_t irq, ulong syncWordHeaderValidFlag, ulong preambleDetectedFlag)
{
bool detected = (irq & (syncWordHeaderValidFlag | preambleDetectedFlag));
// Handle false detections
if (detected) {
if (!activeReceiveStart) {
activeReceiveStart = millis();
} else if (!Throttle::isWithinTimespanMs(activeReceiveStart, 2 * preambleTimeMsec) && !(irq & syncWordHeaderValidFlag)) {
// The HEADER_VALID flag should be set by now if it was really a packet, so ignore PREAMBLE_DETECTED flag
activeReceiveStart = 0;
LOG_DEBUG("Ignore false preamble detection.\n");
return false;
} else if (!Throttle::isWithinTimespanMs(activeReceiveStart, maxPacketTimeMsec)) {
// We should have gotten an RX_DONE IRQ by now if it was really a packet, so ignore HEADER_VALID flag
activeReceiveStart = 0;
LOG_DEBUG("Ignore false header detection.\n");
return false;
}
}
return detected;
}
/// Send a packet (possibly by enquing in a private fifo). This routine will
/// later free() the packet to pool. This routine is not allowed to stall because it is called from
/// bluetooth comms code. If the txmit queue is empty it might return an error