can anyone tell me what i have done wrong here im also new to this
thanks
c:/users/greyj/appdata/local/arduino15/packages/proffieboard/tools/arm-none-eabi-gcc/9-2020-q2-update/bin/…/lib/gcc/arm-none-eabi/9.3.1/…/…/…/…/arm-none-eabi/bin/ld.exe:C:\Users\greyj\AppData\Local\Arduino15\packages\proffieboard\hardware\stm32l4\3.6.0\variants\STM32L433CC-ProffieboardV2/linker_scripts/STM32L433CC_FLASH.ld:224: warning: memory region SRAM2' not declared c:/users/greyj/appdata/local/arduino15/packages/proffieboard/tools/arm-none-eabi-gcc/9-2020-q2-update/bin/../lib/gcc/arm-none-eabi/9.3.1/../../../../arm-none-eabi/bin/ld.exe: C:\Users\greyj\AppData\Local\Temp\sketch_mar1a.ino.elf.Ivg8qP.ltrans0.ltrans.o: in function
main’:
C:\Users\greyj\AppData\Local\Arduino15\packages\proffieboard\hardware\stm32l4\3.6.0\cores\stm32l4/main.cpp:129: undefined reference to setup' c:/users/greyj/appdata/local/arduino15/packages/proffieboard/tools/arm-none-eabi-gcc/9-2020-q2-update/bin/../lib/gcc/arm-none-eabi/9.3.1/../../../../arm-none-eabi/bin/ld.exe: C:\Users\greyj\AppData\Local\Arduino15\packages\proffieboard\hardware\stm32l4\3.6.0\cores\stm32l4/main.cpp:133: undefined reference to
loop’
collect2.exe: error: ld returned 1 exit status
exit status 1
Compilation error: exit status 1