John van Iersel asked 3 years ago
on first round the course went well.
after a while I wanted to look back to what I did due to the next book I am working on (Firebase)
1.1 sample works well
1.2 sample (with SPIFFS) doesnt build anymore.
I get this message
Linking .pio\build\esp32doit-devkit-v1\firmware.elf
c:/users/johnv/.platformio/packages/toolchain-xtensa-esp32/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: .pio\build\esp32doit-devkit-v1\libeb8\libESP Async WebServer.a(WebAuthentication.cpp.o):(.literal._ZL6getMD5PhtPc+0x4): undefined reference to `mbedtls_md5_starts’
c:/users/johnv/.platformio/packages/toolchain-xtensa-esp32/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: .pio\build\esp32doit-devkit-v1\libeb8\libESP Async WebServer.a(WebAuthentication.cpp.o): in function `getMD5(unsigned char*, unsigned short, char*)’:
D:\Documents\PlatformIO\Projects\1_2_Hello_World_WS_SPIFFS/.pio/libdeps/esp32doit-devkit-v1/ESP Async WebServer/src/WebAuthentication.cpp:73: undefined reference to `mbedtls_md5_starts’
collect2.exe: error: ld returned 1 exit status
*** [.pio\build\esp32doit-devkit-v1\firmware.elf] Error 1
Reinstalled VS etc., and started over at beginning of the book, Did not help.
Any idea how I can get going again?
Sara Santos Staff answered 3 years ago
Hi John.
Did you try with another board? Have you tried uploading any other code to the board?
How did you install the ESPAsyncWebServer library?
Regards,
Sara
John van Iersel answered 3 years ago
Thanks for the fast reply Sara.
I did try another ESP32 board, boards work with blink LED and with 1.1 Hello World WS
Hello World has in the platform.ini also ESP ASYNC Webserver, so I think it is strange that 1.2 Hello World WS SPIFFS does not even build but gives the error above, so I cannot upload it to the board
Sara Santos Staff answered 3 years ago
Hi.
It seems there is an issue with a recent library updated.
Check this discussion and try the suggested workaround: https://github.com/me-no-dev/ESPAsyncWebServer/issues/1147
Regards,
Sara
John van Iersel answered 3 years ago
Thanks Sara,
Changing the platform in platform.ini to: platform = espressif32@3.5.0 worked!
Might be a helpful workaround for others as well.
This definitely brought my fun to work on your course books back!,
John
Sara Santos Staff answered 3 years ago
That’s great!
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