dandri/MeshCore
1
0
Fork 0
mirror of https://github.com/meshcore-dev/MeshCore.git synced 2026-03-30 12:45:45 +00:00
Code Issues Packages Projects Releases Wiki Activity

Calibrate configured frequency for AGC reset

Browse Source
This commit is contained in:
Wessel Nieboer
2026-02-21 17:34:28 +01:00
parent f54948e06d
commit 85f764a114
4 changed files with 12 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/helpers/radiolib/CustomLR1110.h
View File

@@ -20,6 +20,8 @@ class CustomLR1110 : public LR1110 {
return len;
}
float getFreqMHz() const { return freqMHz; }
bool isReceiving() {
uint16_t irq = getIrqStatus();
bool detected = ((irq & RADIOLIB_LR11X0_IRQ_SYNC_WORD_HEADER_VALID) || (irq & RADIOLIB_LR11X0_IRQ_PREAMBLE_DETECTED));

2
src/helpers/radiolib/CustomLR1110Wrapper.h
View File

@@ -7,7 +7,7 @@
class CustomLR1110Wrapper : public RadioLibWrapper {
public:
CustomLR1110Wrapper(CustomLR1110& radio, mesh::MainBoard& board) : RadioLibWrapper(radio, board) { }
void doResetAGC() override { lr11x0ResetAGC((LR11x0 *)_radio); }
void doResetAGC() override { lr11x0ResetAGC((LR11x0 *)_radio, ((CustomLR1110 *)_radio)->getFreqMHz()); }
bool isReceivingPacket() override {
return ((CustomLR1110 *)_radio)->isReceiving();
}

6
src/helpers/radiolib/LR11x0Reset.h
View File

@@ -5,12 +5,16 @@
// Full receiver reset for LR11x0-family chips (LR1110, LR1120, LR1121).
// Warm sleep powers down analog, calibrate(0x3F) refreshes all calibration blocks,
// then re-applies RX settings that calibration may reset.
inline void lr11x0ResetAGC(LR11x0* radio) {
inline void lr11x0ResetAGC(LR11x0* radio, float freqMHz) {
radio->sleep(true, 0);
radio->standby(RADIOLIB_LR11X0_STANDBY_RC, true);
radio->calibrate(RADIOLIB_LR11X0_CALIBRATE_ALL);
// calibrate(0x3F) defaults image calibration to an unknown band.
// Re-calibrate for the actual operating frequency (band=4MHz matches RadioLib default).
radio->calibrateImageRejection(freqMHz - 4.0f, freqMHz + 4.0f);
#ifdef RX_BOOSTED_GAIN
radio->setRxBoostedGainMode(RX_BOOSTED_GAIN);
#endif

4
src/helpers/radiolib/SX126xReset.h
View File

@@ -18,6 +18,10 @@ inline void sx126xResetAGC(SX126x* radio) {
radio->mod->hal->yield();
}
// Calibrate(0x7F) defaults image calibration to 902-928MHz band.
// Re-calibrate for the actual operating frequency.
radio->calibrateImage(radio->freqMHz);
#ifdef SX126X_DIO2_AS_RF_SWITCH
radio->setDio2AsRfSwitch(SX126X_DIO2_AS_RF_SWITCH);
#endif