{"id":28737950,"url":"https://github.com/andreaskuster/esp32-webcam","last_synced_at":"2025-07-30T22:10:40.323Z","repository":{"id":49492213,"uuid":"363636625","full_name":"andreaskuster/ESP32-WebCam","owner":"andreaskuster","description":"Simple fast version of 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idf build pipeline status](https://github.com/andreaskuster/ESP32-WebCam/actions/workflows/idf_build.yml/badge.svg?branch=master)\n\n## Troubleshooting\n\nProblem: \nCyclic dependency problem, ending up in linker error:\n```\n/home/andreas/.espressif/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld: /home/andreas/CLionProjects/ESP32-WebCam/components/wifimanager-esp32/WiFiManager.cpp:735: undefined reference to `WebServer::sendHeader(String const\u0026, String const\u0026, bool)'\n/home/andreas/.espressif/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld: /home/andreas/CLionProjects/ESP32-WebCam/components/wifimanager-esp32/WiFiManager.cpp:736: undefined reference to `WebServer::sendHeader(String const\u0026, String const\u0026, bool)'\n/home/andreas/.espressif/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld: /home/andreas/CLionProjects/ESP32-WebCam/components/wifimanager-esp32/WiFiManager.cpp:737: undefined reference to `WebServer::sendHeader(String const\u0026, String const\u0026, bool)'\n/home/andreas/.espressif/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld: /home/andreas/CLionProjects/ESP32-WebCam/components/wifimanager-esp32/WiFiManager.cpp:738: undefined reference to `WebServer::send(int, char const*, String const\u0026)'\ncollect2: error: ld returned 1 exit status\nmake[3]: *** [CMakeFiles/esp32-webcam.elf.dir/build.make:520: esp32-webcam.elf] Error 1\nmake[2]: *** [CMakeFiles/Makefile2:2500: CMakeFiles/esp32-webcam.elf.dir/all] Error 2\nmake[1]: *** [CMakeFiles/Makefile2:2507: CMakeFiles/esp32-webcam.elf.dir/rule] Error 2\nmake: *** [Makefile:365: esp32-webcam.elf] Error 2\n```\n\nSolution: \nAdd the following snippet to the `CMakeLists.txt` of a component in the cyclic dependency (increase 3 if it still does not work)\n```\nset_property(TARGET ${COMPONENT_LIB} APPEND PROPERTY LINK_INTERFACE_MULTIPLICITY 3)\n```\n\nReference:\n- https://www.esp32.com/viewtopic.php?t=21378\n\n\nProblem WiFi Error 4353 (0x1101)\n```\n[   192][E][WiFiGeneric.cpp:555] wifiLowLevelInit(): esp_wifi_init 4353\n[   199][E][WiFiAP.cpp:125] softAP(): enable AP first!\n```\n\nSolution:\n```\n#include \u003cnvs_flash.h\u003e\n\nnvs_flash_init();\n```\n\nReference: \n- https://github.com/loboris/MicroPython_ESP32_psRAM_LoBo/issues/230\n- https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/error-codes.html\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fandreaskuster%2Fesp32-webcam","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fandreaskuster%2Fesp32-webcam","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fandreaskuster%2Fesp32-webcam/lists"}