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Added support for BH1750 during i2C detection

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Paolo Leggio 2025-10-16 15:06:10 +02:00 committed by Tom Fifield
parent 81fc8bfa3a
commit 18e08cd9f9
2 changed files with 22 additions and 2 deletions
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3
src/detect/ScanI2C.h
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@ -82,7 +82,8 @@ class ScanI2C
BHI260AP, BHI260AP,
BMM150, BMM150,
TSL2561, TSL2561,
DRV2605 DRV2605,
BH1750
} DeviceType; } DeviceType;
// typedef uint8_t DeviceAddress; // typedef uint8_t DeviceAddress;

21
src/detect/ScanI2CTwoWire.cpp
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@ -485,7 +485,26 @@ void ScanI2CTwoWire::scanPort(I2CPort port, uint8_t *address, uint8_t asize)
SCAN_SIMPLE_CASE(LTR390UV_ADDR, LTR390UV, "LTR390UV", (uint8_t)addr.address); SCAN_SIMPLE_CASE(LTR390UV_ADDR, LTR390UV, "LTR390UV", (uint8_t)addr.address);
SCAN_SIMPLE_CASE(PCT2075_ADDR, PCT2075, "PCT2075", (uint8_t)addr.address); SCAN_SIMPLE_CASE(PCT2075_ADDR, PCT2075, "PCT2075", (uint8_t)addr.address);
SCAN_SIMPLE_CASE(CST328_ADDR, CST328, "CST328", (uint8_t)addr.address); SCAN_SIMPLE_CASE(CST328_ADDR, CST328, "CST328", (uint8_t)addr.address);
SCAN_SIMPLE_CASE(LTR553ALS_ADDR, LTR553ALS, "LTR553ALS", (uint8_t)addr.address); case LTR553ALS_ADDR: // 0x23 - condiviso con BH1750
// Test first LTR553ALS (has identifiable registers)
registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0x86), 1); // Part ID register
if (registerValue == 0x92) { // LTR553ALS Part ID
type = LTR553ALS;
logFoundDevice("LTR553ALS", (uint8_t)addr.address);
} else {
// Test BH1750 - send power on command
i2cBus->beginTransmission(addr.address);
i2cBus->write(0x01); // Power On command
uint8_t bh1750_error = i2cBus->endTransmission();
if (bh1750_error == 0) {
type = BH1750;
logFoundDevice("BH1750", (uint8_t)addr.address);
} else {
LOG_INFO("Device found at address 0x%x was not able to be enumerated", (uint8_t)addr.address);
}
}
break;
SCAN_SIMPLE_CASE(BHI260AP_ADDR, BHI260AP, "BHI260AP", (uint8_t)addr.address); SCAN_SIMPLE_CASE(BHI260AP_ADDR, BHI260AP, "BHI260AP", (uint8_t)addr.address);
SCAN_SIMPLE_CASE(SCD4X_ADDR, SCD4X, "SCD4X", (uint8_t)addr.address); SCAN_SIMPLE_CASE(SCD4X_ADDR, SCD4X, "SCD4X", (uint8_t)addr.address);
SCAN_SIMPLE_CASE(BMM150_ADDR, BMM150, "BMM150", (uint8_t)addr.address); SCAN_SIMPLE_CASE(BMM150_ADDR, BMM150, "BMM150", (uint8_t)addr.address);