Arduino:1.8.13 (Windows 10), 开发板："ESP32 Dev Module, Disabled, Default 4MB with spiffs (1.2MB APP/1.5MB SPIFFS), 240MHz (WiFi/BT), QIO, 80MHz, 4MB (32Mb), 921600, None"
sketch\app_httpd.cpp.o:(.bss.stream_httpd+0x0): multiple definition of `stream_httpd'
sketch\CameraWebServer.ino.cpp.o:(.bss.stream_httpd+0x0): first defined here
sketch\app_httpd.cpp.o: In function `startCameraServer()':
app_httpd.cpp:(.text._Z17startCameraServerv+0x0): multiple definition of `startCameraServer()'
sketch\CameraWebServer.ino.cpp.o:CameraWebServer.ino.cpp:(.text._Z17startCameraServerv+0x0): first defined here
collect2.exe: error: ld returned 1 exit status
"WiFi.h" 对应多个库
已使用： C:\Users\Administrator\AppData\Local\Arduino15\packages\esp32\hardware\esp32\1.0.4\libraries\WiFi
未使用：C:\Program Files (x86)\Arduino\libraries\WiFi
exit status 1
为开发板 ESP32 Dev Module 编译时出错。