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Fix return value for disconnected sensor for celcius #11

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Fix return value for disconnected sensor for celcius #11

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2 changes: 1 addition & 1 deletion ds18b20.c
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Original file line number Diff line number Diff line change
Expand Up @@ -274,7 +274,7 @@ float ds18b20_getTempC(const DeviceAddress *deviceAddress) {
if (ds18b20_isConnected(deviceAddress, scratchPad)){
int16_t rawTemp = calculateTemperature(deviceAddress, scratchPad);
if (rawTemp <= DEVICE_DISCONNECTED_RAW)
return DEVICE_DISCONNECTED_F;
return DEVICE_DISCONNECTED_C;
// C = RAW/128
// F = (C*1.8)+32 = (RAW/128*1.8)+32 = (RAW*0.0140625)+32
return (float) rawTemp/128.0f;
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