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ERROR in ESPCAM BOOK 1.3

Q&A Forum › Category: ESP32 › ERROR in ESPCAM BOOK 1.3
0 Vote Up Vote Down
Michel Dubois asked 2 months ago

I have just updated ARDUINO to 2.0, down loaded all the up date and started the example CAMWEBSERVER
However I recieve the compliation error as below
Could you explain where is the problem
Using board ‘esp32cam’ from platform in folder: C:\Users\Michel\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4
Using core ‘esp32’ from platform in folder: C:\Users\Michel\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4
cmd /c if exist “C:\\Users\\Michel\\AppData\\Local\\Temp\\.arduinoIDE-unsaved2023022-1264-1hbmql1.qhu7\\CameraWebServer\\partitions.csv” COPY /y “C:\\Users\\Michel\\AppData\\Local\\Temp\\.arduinoIDE-

(…)

IC:\\Users\\Michel\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.4\\cores\\esp32” “-IC:\\Users\\Michel\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.4\\variants\\esp32” “-IC:\\Users\\Michel\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.4\\libraries\\WiFi\\src” “C:\\Users\\Michel\\AppData\\Local\\Temp\\arduino-sketch-5585E08FC1B55E9553E2218AAFFBAEAA\\sketch\\CameraWebServer.ino.cpp” -o “C:\\Users\\Michel\\AppData\\Local\\Temp\\arduino-sketch-5585E08FC1B55E9553E2218AAFFBAEAA\\sketch\\CameraWebServer.ino.cpp.o”
Utilisation du fichier déjà compilé: C:\Users\Michel\AppData\Local\Temp\arduino-sketch-5585E08FC1B55E9553E2218AAFFBAEAA\sketch\app_httpd.cpp.o
In file included from C:\Users\Michel\AppData\Local\Temp\arduino-sketch-5585E08FC1B55E9553E2218AAFFBAEAA\sketch\CameraWebServer.ino.cpp:1:0:
C:\Users\Michel\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4\cores\esp32/Arduino.h:183:12: error: ‘std::round’ has not been declared
using std::round;
^
Utilisation de la bibliothèque WiFi version 2.0.0 dans le dossier: C:\Users\Michel\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.4\libraries\WiFi
exit status 1
Compilation error: exit status 1

3 Answers
0 Vote Up Vote Down
Sara Santos Staff answered 2 months ago

Hi.
Does the example work well with Arduino 1.8.X?
Arduino 2.0 is known to have some issues with some ESP32 libraries.
Regards,
Sara

0 Vote Up Vote Down
Michel Dubois answered 2 months ago

You are absolutely correct but its was not obvious for me
I have re installed ARDUINO 1.8.9 and there, NO problem
Strange. I hope ARDUINO 2.0 will accept it soon
Thanks

0 Vote Up Vote Down
Sara Santos Staff answered 2 months ago

Yes…
I hope they fix that too.
I’ll mark this issue as resolved. If you need further help, you just need to open a new question in our forum.
Regards,
Sara

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