OneWire library stopped compiling

[W4KRL]

I have had a temperature monitoring project running since November 2017 using two DS18B20 sensors. The code no longer compiles. Here is my project code:

Here is my project code. It has been working since November 2017:
View attachment D1S_Attic_Monitor_UV_control.ino

For working project see: https://thingspeak.com/channels/64954

I've tried using OneWire library versions back to 2.3.0 with similar errors. Here is the IDE message with version 2.3.3:

---

Arduino: 1.8.5 (Windows 10), Board: "WeMos D1 R2 & mini, 80 MHz, 4M (1M SPIFFS), v2 Prebuilt (MSS=536), Disabled, None, 921600"

Build options changed, rebuilding all
Archiving built core (caching) in: C:\Users\Karl\AppData\Local\Temp\arduino_cache_926424\core\core_esp8266_esp8266_d1_mini_CpuFrequency_80,FlashSize_4M1M,LwIPVariant_v2mss536,Debug_Disabled,DebugLevel_None____,UploadSpeed_921600_90f166b225a978298447140629ed3119.a
libraries\DallasTemperature\OneWire.cpp.o: In function `OneWire::depower()':

C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\DallasTemperature/OneWire.cpp:163: multiple definition of `OneWire::reset()'

libraries\OneWire\OneWire.cpp.o:C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\OneWire/OneWire.cpp:163: first defined here

libraries\DallasTemperature\OneWire.cpp.o: In function `OneWire::search(unsigned char*, bool)':

C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\DallasTemperature/OneWire.cpp:197: multiple definition of `OneWire::write_bit(unsigned char)'

libraries\OneWire\OneWire.cpp.o:C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\OneWire/OneWire.cpp:197: first defined here

libraries\DallasTemperature\OneWire.cpp.o: In function `OneWire::read_bit()':

C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\DallasTemperature/OneWire.cpp:225: multiple definition of `OneWire::read_bit()'

libraries\OneWire\OneWire.cpp.o:C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\OneWire/OneWire.cpp:225: first defined here

libraries\DallasTemperature\OneWire.cpp.o: In function `OneWire::write(unsigned char, unsigned char)':

C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\DallasTemperature/OneWire.cpp:249: multiple definition of `OneWire::write(unsigned char, unsigned char)'

libraries\OneWire\OneWire.cpp.o:C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\OneWire/OneWire.cpp:249: first defined here

libraries\DallasTemperature\OneWire.cpp.o: In function `OneWire::write_bytes(unsigned char const*, unsigned short, bool)':

C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\DallasTemperature/OneWire.cpp:263: multiple definition of `OneWire::write_bytes(unsigned char const*, unsigned short, bool)'

libraries\OneWire\OneWire.cpp.o:C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\OneWire/OneWire.cpp:263: first defined here

libraries\DallasTemperature\OneWire.cpp.o: In function `OneWire::read()':

C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\DallasTemperature/OneWire.cpp:277: multiple definition of `OneWire::read()'

libraries\OneWire\OneWire.cpp.o:C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\OneWire/OneWire.cpp:277: first defined here

libraries\DallasTemperature\OneWire.cpp.o: In function `OneWire::read_bytes(unsigned char*, unsigned short)':

C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\DallasTemperature/OneWire.cpp:287: multiple definition of `OneWire::read_bytes(unsigned char*, unsigned short)'

libraries\OneWire\OneWire.cpp.o:C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\OneWire/OneWire.cpp:287: first defined here

libraries\DallasTemperature\OneWire.cpp.o: In function `OneWire::select(unsigned char const*)':

C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\DallasTemperature/OneWire.cpp:296: multiple definition of `OneWire::select(unsigned char const*)'

libraries\OneWire\OneWire.cpp.o:C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\OneWire/OneWire.cpp:296: first defined here

libraries\DallasTemperature\OneWire.cpp.o: In function `OneWire::skip()':

C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\DallasTemperature/OneWire.cpp:308: multiple definition of `OneWire::skip()'

libraries\OneWire\OneWire.cpp.o:C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\OneWire/OneWire.cpp:308: first defined here

libraries\DallasTemperature\OneWire.cpp.o: In function `OneWire::depower()':

C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\DallasTemperature/OneWire.cpp:314: multiple definition of `OneWire::depower()'

libraries\OneWire\OneWire.cpp.o:C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\OneWire/OneWire.cpp:314: first defined here

libraries\DallasTemperature\OneWire.cpp.o: In function `OneWire::reset_search()':

C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\DallasTemperature/OneWire.cpp:328: multiple definition of `OneWire::reset_search()'

libraries\OneWire\OneWire.cpp.o:C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\OneWire/OneWire.cpp:328: first defined here

libraries\DallasTemperature\OneWire.cpp.o: In function `OneWire::OneWire(unsigned char)':

C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\DallasTemperature/OneWire.cpp:145: multiple definition of `OneWire::OneWire(unsigned char)'

libraries\OneWire\OneWire.cpp.o:C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\OneWire/OneWire.cpp:145: first defined here

libraries\DallasTemperature\OneWire.cpp.o: In function `OneWire::OneWire(unsigned char)':

C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\DallasTemperature/OneWire.cpp:145: multiple definition of `OneWire::OneWire(unsigned char)'

libraries\OneWire\OneWire.cpp.o:C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\OneWire/OneWire.cpp:145: first defined here

libraries\DallasTemperature\OneWire.cpp.o: In function `OneWire::target_search(unsigned char)':

C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\DallasTemperature/OneWire.cpp:343: multiple definition of `OneWire::target_search(unsigned char)'

libraries\OneWire\OneWire.cpp.o:C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\OneWire/OneWire.cpp:343: first defined here

libraries\DallasTemperature\OneWire.cpp.o: In function `OneWire::search(unsigned char*, bool)':

C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\DallasTemperature/OneWire.cpp:368: multiple definition of `OneWire::search(unsigned char*, bool)'

libraries\OneWire\OneWire.cpp.o:C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\OneWire/OneWire.cpp:368: first defined here

libraries\DallasTemperature\OneWire.cpp.o: In function `OneWire::crc8(unsigned char const*, unsigned char)':

C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\DallasTemperature/OneWire.cpp:526: multiple definition of `OneWire::crc8(unsigned char const*, unsigned char)'

libraries\OneWire\OneWire.cpp.o:C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\OneWire/OneWire.cpp:526: first defined here

libraries\DallasTemperature\OneWire.cpp.o: In function `OneWire::crc16(unsigned char const*, unsigned short, unsigned short)':

C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\DallasTemperature/OneWire.cpp:568: multiple definition of `OneWire::crc16(unsigned char const*, unsigned short, unsigned short)'

libraries\OneWire\OneWire.cpp.o:C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\OneWire/OneWire.cpp:568: first defined here

libraries\DallasTemperature\OneWire.cpp.o: In function `OneWire::check_crc16(unsigned char const*, unsigned short, unsigned char const*, unsigned short)':

C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\DallasTemperature/OneWire.cpp:562: multiple definition of `OneWire::check_crc16(unsigned char const*, unsigned short, unsigned char const*, unsigned short)'

libraries\OneWire\OneWire.cpp.o:C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\OneWire/OneWire.cpp:562: first defined here

collect2.exe: error: ld returned 1 exit status

Multiple libraries were found for "OneWire.h"
Used: C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\OneWire
Not used: C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\DallasTemperature
exit status 1
Error compiling for board WeMos D1 R2 & mini.

This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.

 

[PaulStoffregen]

Multiple libraries were found for "OneWire.h"
Used: C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\OneWire
Not used: C:\Users\Karl\Box Sync\Box Sync\Arduino\libraries\DallasTemperature

Some copies of DallasTemperature contain a copy of OneWire. If you have one of those, the problem is DallasTemperature. Either uninstall OneWire, or edit DallasTemperature to delete OneWire, or find a better copy of DallasTemperature.

If that doesn't fix the problem, try compiling for Arduino Uno or Teensy. If the problem happens with these supported boards, please submit an issue on github. Those are the only "supported" hardware. If the problem only happens on ESP, as on the ESP community forums. That is the right place for ESP-only problems.

 

[W4KRL]

Paul,

Thanks so much!!! Commenting out the include for OneWire.h solved the problem.

That was fast!

Karl

 

[PaulStoffregen]

Please find the issue or otherwise contact the author of DallasTemperature.

This is a known problem, but it's unlikely to ever get fixed unless more people complain....