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add IRQ timeout logic for LR11X0

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This commit is contained in:
taco
2026-07-17 21:45:31 +10:00
parent 79ef74ea8d
commit 0bd871cde6
2 changed files with 46 additions and 3 deletions
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src/helpers/radiolib/CustomLR1110.h
+44 -3
View File
@@ -4,6 +4,10 @@
#include "MeshCore.h"
class CustomLR1110 : public LR1110 {
uint32_t _preambleMillis = 66;
uint32_t _maxPayloadMillis = 3934;
uint32_t _activityAt = 0;
bool _headerSeen = false;
bool _rx_boosted = false;
public:
@@ -32,9 +36,46 @@ class CustomLR1110 : public LR1110 {
bool getRxBoostedGainMode() const { return _rx_boosted; }
bool isReceiving() {
uint16_t irq = getIrqStatus();
bool detected = ((irq & RADIOLIB_LR11X0_IRQ_SYNC_WORD_HEADER_VALID) || (irq & RADIOLIB_LR11X0_IRQ_PREAMBLE_DETECTED));
return detected;
uint32_t irq = getIrqStatus();
bool preamble = irq & RADIOLIB_LR11X0_IRQ_PREAMBLE_DETECTED; // bit 4
bool header = irq & RADIOLIB_LR11X0_IRQ_SYNC_WORD_HEADER_VALID; // bit 5
bool hdrErr = irq & RADIOLIB_LR11X0_IRQ_HEADER_ERR; // bit 6
uint32_t now = millis();
if (hdrErr) {
clearIrqState(RADIOLIB_LR11X0_IRQ_PREAMBLE_DETECTED | RADIOLIB_LR11X0_IRQ_SYNC_WORD_HEADER_VALID | RADIOLIB_LR11X0_IRQ_HEADER_ERR);
_activityAt = 0;
_headerSeen = false;
return false;
}
if (header) {
if (!_headerSeen) { _headerSeen = true; _activityAt = now; };
if (now - _activityAt > _maxPayloadMillis) {
MESH_DEBUG_PRINTLN("Clearing header IRQ after %ums", _maxPayloadMillis);
clearIrqState(RADIOLIB_LR11X0_IRQ_PREAMBLE_DETECTED | RADIOLIB_LR11X0_IRQ_SYNC_WORD_HEADER_VALID | RADIOLIB_LR11X0_IRQ_HEADER_ERR);
_activityAt = 0; _headerSeen = false;
return false;
}
return true;
}
if (preamble) {
if (_activityAt == 0) _activityAt = now;
if (now - _activityAt > _preambleMillis) {
clearIrqState(RADIOLIB_LR11X0_IRQ_PREAMBLE_DETECTED);
_activityAt = 0;
MESH_DEBUG_PRINTLN("Clearing preamble IRQ after %ums", _preambleMillis);
return false;
}
return true;
}
_activityAt = 0; _headerSeen = false;
return false;
}
PacketMillis setMaxPacketMillis(PacketMillis maxPacketMillis) {
MESH_DEBUG_PRINTLN("Setting _preambleMillis=%u, _maxPacketMillis=%u", maxPacketMillis.preambleMillis, maxPacketMillis.payloadMillis);
_preambleMillis = maxPacketMillis.preambleMillis;
_maxPayloadMillis = maxPacketMillis.payloadMillis;
}
uint8_t getSpreadingFactor() const { return spreadingFactor; }
src/helpers/radiolib/CustomLR1110Wrapper.h
+2
View File
@@ -14,6 +14,8 @@ public:
((CustomLR1110 *)_radio)->setBandwidth(bw);
((CustomLR1110 *)_radio)->setCodingRate(cr);
updatePreamble(sf);
((CustomLR1110 *)_radio)->setMaxPacketMillis(calcMaxPacketMillis(sf, bw, cr, preambleLengthForSF(sf)));
}
void doResetAGC() override { lr11x0ResetAGC((LR11x0 *)_radio, ((CustomLR1110 *)_radio)->getFreqMHz()); }