volatile IO_REG_TYPE *reg IO_REG_BASE_ATTR = baseReg

[Serega88kos]

Hi all. Tried various boards. All versions of the library.

Logs Arduino IDE ..\libraries\OneWire\OneWire.cpp: In member function 'uint8_t OneWire::reset()': ..\libraries\OneWire\OneWire.cpp:167:24: error: unused variable 'reg' [-Werror=unused-variable] volatile IO_REG_TYPE reg IO_REG_BASE_ATTR = baseReg; ^~~ ..\libraries\OneWire\OneWire.cpp: In member function 'void OneWire::write_bit(uint8_t)': ..\libraries\OneWire\OneWire.cpp:201:24: error: unused variable 'reg' [-Werror=unused-variable] volatile IO_REG_TYPE reg IO_REG_BASE_ATTR = baseReg; ^~~ ..\libraries\OneWire\OneWire.cpp: In member function 'uint8_t OneWire::read_bit()': ..\libraries\OneWire\OneWire.cpp:229:24: error: unused variable 'reg' [-Werror=unused-variable] volatile IO_REG_TYPE *reg IO_REG_BASE_ATTR = baseReg; ^~~ cc1plus.exe: some warnings being treated as errors exit status 1 Compilation error for board DOIT ESP32 DEVKIT V1.

include

include "DallasTemperature.h"

define ONE_WIRE_BUS 15

OneWire oneWire(ONE_WIRE_BUS); DallasTemperature ds(&oneWire);

void setup() { Serial.begin(115200); ds.begin(); } void loop() { ds.requestTemperatures(); float temp = ds.getTempCByIndex(0); Serial.println(temp); }

[PaulStoffregen]

Does it work if you delete that line? Or compile without -Werror?

[Serega88kos]

// volatile IO_REG_TYPE *reg IO_REG_BASE_ATTR = baseReg; commented out three lines. compilation completed.