https://github.com/andreaskuster/esp32-webcam
Simple fast version of ESP32-CAM-Video-Recorder
https://github.com/andreaskuster/esp32-webcam
Last synced: 14 days ago
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Simple fast version of ESP32-CAM-Video-Recorder
- Host: GitHub
- URL: https://github.com/andreaskuster/esp32-webcam
- Owner: andreaskuster
- License: gpl-3.0
- Created: 2021-05-02T11:40:46.000Z (about 4 years ago)
- Default Branch: master
- Last Pushed: 2021-06-18T07:59:28.000Z (about 4 years ago)
- Last Synced: 2023-03-01T19:33:57.802Z (over 2 years ago)
- Language: C++
- Homepage:
- Size: 763 KB
- Stars: 0
- Watchers: 0
- Forks: 0
- Open Issues: 12
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
##
## Troubleshooting
Problem:
Cyclic dependency problem, ending up in linker error:
```
/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&, String const&, bool)'
/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&, String const&, bool)'
/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&, String const&, bool)'
/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&)'
collect2: error: ld returned 1 exit status
make[3]: *** [CMakeFiles/esp32-webcam.elf.dir/build.make:520: esp32-webcam.elf] Error 1
make[2]: *** [CMakeFiles/Makefile2:2500: CMakeFiles/esp32-webcam.elf.dir/all] Error 2
make[1]: *** [CMakeFiles/Makefile2:2507: CMakeFiles/esp32-webcam.elf.dir/rule] Error 2
make: *** [Makefile:365: esp32-webcam.elf] Error 2
```
Solution:
Add the following snippet to the `CMakeLists.txt` of a component in the cyclic dependency (increase 3 if it still does not work)
```
set_property(TARGET ${COMPONENT_LIB} APPEND PROPERTY LINK_INTERFACE_MULTIPLICITY 3)
```
Reference:
- https://www.esp32.com/viewtopic.php?t=21378
Problem WiFi Error 4353 (0x1101)
```
[ 192][E][WiFiGeneric.cpp:555] wifiLowLevelInit(): esp_wifi_init 4353
[ 199][E][WiFiAP.cpp:125] softAP(): enable AP first!
```
Solution:
```
#include
nvs_flash_init();
```
Reference:
- https://github.com/loboris/MicroPython_ESP32_psRAM_LoBo/issues/230
- https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/error-codes.html