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preset aware signal strength display

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This commit is contained in:
HarukiToreda
2025-10-10 15:14:28 -04:00
parent 97578fb9c0
commit abeeb12d96
1 changed files with 45 additions and 13 deletions
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58
src/modules/CannedMessageModule.cpp
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@@ -2136,6 +2136,48 @@ void CannedMessageModule::drawFrame(OLEDDisplay *display, OLEDDisplayUiState *st
}
}
// Return SNR limit based on modem preset
static float getSnrLimit(meshtastic_Config_LoRaConfig_ModemPreset preset)
{
switch (preset) {
case meshtastic_Config_LoRaConfig_ModemPreset_LONG_SLOW:
case meshtastic_Config_LoRaConfig_ModemPreset_LONG_MODERATE:
case meshtastic_Config_LoRaConfig_ModemPreset_LONG_FAST:
return -6.0f;
case meshtastic_Config_LoRaConfig_ModemPreset_MEDIUM_SLOW:
case meshtastic_Config_LoRaConfig_ModemPreset_MEDIUM_FAST:
return -5.5f;
case meshtastic_Config_LoRaConfig_ModemPreset_SHORT_SLOW:
case meshtastic_Config_LoRaConfig_ModemPreset_SHORT_FAST:
case meshtastic_Config_LoRaConfig_ModemPreset_SHORT_TURBO:
return -4.5f;
default:
return -6.0f;
}
}
// Return Good/Fair/Bad label and set 1–5 bars based on SNR and RSSI
static const char *getSignalGrade(float snr, int32_t rssi, float snrLimit, int &bars)
{
// 5-bar logic: strength inside Good/Fair/Bad category
if (snr > snrLimit && rssi > -10) {
bars = 5; // very strong good
return "Good";
} else if (snr > snrLimit && rssi > -20) {
bars = 4; // normal good
return "Good";
} else if (snr > 0 && rssi > -50) {
bars = 3; // weaker good (on edge of fair)
return "Good";
} else if (snr > -10 && rssi > -100) {
bars = 2; // fair
return "Fair";
} else {
bars = 1; // bad
return "Bad";
}
}
ProcessMessage CannedMessageModule::handleReceived(const meshtastic_MeshPacket &mp)
{
// Only process routing ACK/NACK packets that are responses to our own outbound
@@ -2206,20 +2248,10 @@ ProcessMessage CannedMessageModule::handleReceived(const meshtastic_MeshPacket &
const char *channelName = channels.getName(this->channel);
const char *nodeName = getNodeName(this->incoming);
// Signal quality calculation (Good / Fair / Bad)
const char *qualityLabel;
// Calculate signal quality and bars based on preset, SNR, and RSSI
float snrLimit = getSnrLimit(config.lora.modem_preset);
int bars = 0;
if (lastRxSnr > -7 && lastRxRssi > -110) {
qualityLabel = "Good";
bars = 4;
} else if (lastRxSnr > -15 && lastRxRssi > -120) {
qualityLabel = "Fair";
bars = 2;
} else {
qualityLabel = "Bad";
bars = 1;
}
const char *qualityLabel = getSignalGrade(this->lastRxSnr, this->lastRxRssi, snrLimit, bars);
if (this->ack) {
if (this->lastSentNode == NODENUM_BROADCAST) {