esp

[cool-irr]

hi
i have a programing esp8266-01.

c:/users/shedco/appdata/local/arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/3.1.0-gcc10.3-e5f9fec/bin/../lib/gcc/xtensa-lx106-elf/10.3.0/../../../../xtensa-lx106-elf/bin/ld.exe: C:\Users\SHEDco\AppData\Local\Temp\arduino\cores\e086725d524362f7173c3f551fb5b43a\core.a(core_esp8266_main.cpp.o): in function __loop_end': C:\Users\SHEDco\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.1.2\cores\esp8266/core_esp8266_main.cpp:245: undefined reference to setup'
c:/users/shedco/appdata/local/arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/3.1.0-gcc10.3-e5f9fec/bin/../lib/gcc/xtensa-lx106-elf/10.3.0/../../../../xtensa-lx106-elf/bin/ld.exe: C:\Users\SHEDco\AppData\Local\Temp\arduino\cores\e086725d524362f7173c3f551fb5b43a\core.a(core_esp8266_main.cpp.o):(.text._ZL12loop_wrapperv+0x25): undefined reference to `setup'
collect2.exe: error: ld returned 1 exit status

exit status 1

Compilation error: exit status 1