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Fix INA226 detection for non-TI compatible chip (Silergy) (#10247)

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* Fix INA226 detection for non-TI compatible chip (Silergy)

* Removed extra I2C transaction + 20ms delay on every scan of address 0x40 (including real SHT2x sensors).

Changes suggested by Copilot

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

* Apply formatting (trunk fmt)

---------

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
This commit is contained in:
Dmitry
2026-04-24 13:09:37 +10:00
committed by GitHub
co-authored by GitHub Copilot Autofix powered by AI
parent 924411de59
commit ba9cadc14d
1 changed files with 25 additions and 10 deletions
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src/detect/ScanI2CTwoWire.cpp
+25 -10
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@@ -415,30 +415,45 @@ void ScanI2CTwoWire::scanPort(I2CPort port, uint8_t *address, uint8_t asize)
#if !defined(M5STACK_UNITC6L)
case INA_ADDR: // Same as SHT2X
case INA_ADDR_ALTERNATE:
case INA_ADDR_WAVESHARE_UPS:
registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0xFE), 2);
LOG_DEBUG("Register MFG_UID: 0x%x", registerValue);
if (registerValue == 0x5449) {
registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0xFF), 2);
LOG_DEBUG("Register DIE_UID: 0x%x", registerValue);
case INA_ADDR_WAVESHARE_UPS: {
uint16_t mfg = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0xFE), 2);
if (registerValue == 0x2260) {
LOG_DEBUG("Register MFG_UID: 0x%x", mfg);
// Only read DIE_UID for vendors we recognize as INA-compatible to avoid
// an extra I2C transaction + delay on other devices sharing this address.
if (mfg == 0x5449 || mfg == 0x190F) {
uint16_t die = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0xFF), 2);
LOG_DEBUG("Register DIE_UID: 0x%x", die);
// TI INA226 or fully compatible clones (e.g. TPA626)
if (mfg == 0x5449 && die == 0x2260) {
logFoundDevice("INA226", (uint8_t)addr.address);
type = INA226;
} else {
}
// Silergy SQ52201 (INA226-compatible with different IDs)
else if (mfg == 0x190F && die == 0x0000) {
logFoundDevice("INA226 (SQ52201)", (uint8_t)addr.address);
type = INA226;
}
// TI INA260
else if (mfg == 0x5449) {
logFoundDevice("INA260", (uint8_t)addr.address);
type = INA260;
}
}
#if HAS_TELEMETRY && !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR
} else if (detectSHT21SerialNumber(i2cBus, (uint8_t)addr.address)) {
if (type == NONE && detectSHT21SerialNumber(i2cBus, (uint8_t)addr.address)) {
logFoundDevice("SHTXX (SHT2X)", (uint8_t)addr.address);
type = SHTXX;
}
#endif
} else { // Assume INA219 if none of the above ones are found
else { // Assume INA219 if none of the above ones are found
logFoundDevice("INA219", (uint8_t)addr.address);
type = INA219;
}
break;
}
case INA3221_ADDR:
registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0xFE), 2);
LOG_DEBUG("Register MFG_UID FE: 0x%x", registerValue);