Comments (10)
lincomatic
commented on May 31, 2024
1
SPIFFS works just the same on ESP32 as on ESP8266.. you just have to #include <SPIFFS.h>
call SPIFFS.begin(true) before you use it, to autoformat the partition.
You have to make sure to specify a SPIFFS partition in your partition CSV file, too.
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commented on May 31, 2024
Hi Matth-X,
I'm wondering in regards to the same thing, are there any plans to port the library to ESP32 soon?
Thanks!
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matth-x
commented on May 31, 2024
Hi,
To be honest, I already use it with the ESP32 but just haven't updated the example section yet. Have you tried including
/* ESP32 WiFi libraries */
#include <WiFi.h>
#include <WiFiMulti.h>
#include <WiFiClientSecure.h>instead of
#include <ESP8266WiFi.h>
#include <ESP8266WiFiMulti.h>?
What does the compiler output say?
Hope I could help you.
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Fyod
commented on May 31, 2024
The first issue was that when I saved the zip int Arduino libraries, it would not show up in the File -> Examples.
So I just created a new sketch and copied over the example.
The includes are like this
#include <Variants.h>
#include <Arduino.h>
#include <ArduinoJson.h>
#include <WiFi.h>
#include <WiFiMulti.h>
#include <ESP8266-OCPP.h>
#include "OneConnector_HW_integration.h"
The errors are
/Documents/Arduino/libraries/ArduinoOcpp/src/ArduinoOcpp/Core/Configuration.cpp:162:41: error: declaration of 'T ArduinoOcpp::Configuration<T>::operator=(T) noexcept' has a different exception specifier
T Configuration<T>::operator=(T newVal) noexcept {
In file included from /Documents/Arduino/libraries/ArduinoOcpp/src/ArduinoOcpp/Core/Configuration.cpp:5:0:
Documents/Arduino/libraries/ArduinoOcpp/src/ArduinoOcpp/Core/Configuration.h:61:7: error: from previous declaration 'T ArduinoOcpp::Configuration<T>::operator=(T)'
T operator=(T newVal);
/Documents/Arduino/libraries/ArduinoOcpp/src/ArduinoOcpp/Core/Configuration.cpp: In function 'bool ArduinoOcpp::configuration_init()':
/Documents/Arduino/libraries/ArduinoOcpp/src/ArduinoOcpp/Core/Configuration.cpp:752:5: error: 'SPIFFSConfig' was not declared in this scope
SPIFFSConfig cfg;
/Documents/Arduino/libraries/ArduinoOcpp/src/ArduinoOcpp/Core/Configuration.cpp:753:5: error: 'cfg' was not declared in this scope
cfg.setAutoFormat(true);
...
Cheers!
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matth-x
commented on May 31, 2024
Okay, those messages look kind of familiar to me ... can you download the branch "develop" instead of "master" and try it again? Unfortunately, the persistent storage does not work for the ESP32 at the moment and I will migrate to LittleFS in the long run. You have to manually turn it off by setting the build flag AO_DEACTIVATE_FLASH (the Readme in https://github.com/matth-x/ArduinoOcpp/tree/master/examples/ESP32 explains it).
Furthermore, please make sure that your IDE uses version 6.17.2 of ArduinoJson. You might have to downgrade it.
I have added an example file for the ESP32. I hope it works for you. Please let me know if everything worked and btw., thank you for your feedback!
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Fyod
commented on May 31, 2024
So I downloaded the development version and tried the ESP32 example file, still getting some errors, but the T operator error is gone.
/Users/xxx/Documents/Arduino/libraries/ArduinoOcpp/src/ArduinoOcpp/Core/Configuration.cpp: In function 'bool ArduinoOcpp::configuration_init()':
/Users/xxx/Documents/Arduino/libraries/ArduinoOcpp/src/ArduinoOcpp/Core/Configuration.cpp:753:5: error: 'SPIFFSConfig' was not declared in this scope
SPIFFSConfig cfg;
^
/Users/xxx/Documents/Arduino/libraries/ArduinoOcpp/src/ArduinoOcpp/Core/Configuration.cpp:754:5: error: 'cfg' was not declared in this scope
cfg.setAutoFormat(true);
^
/Users/xxx/Documents/Arduino/libraries/ArduinoOcpp/src/ArduinoOcpp/Core/Configuration.cpp:755:5: error: 'SPIFFS' was not declared in this scope
SPIFFS.setConfig(cfg);
^
/Users/xxx/Documents/Arduino/libraries/ArduinoOcpp/src/ArduinoOcpp/Core/Configuration.cpp: In function 'bool ArduinoOcpp::configuration_save()':
/Users/xxx/Documents/Arduino/libraries/ArduinoOcpp/src/ArduinoOcpp/Core/Configuration.cpp:895:5: error: 'SPIFFS' was not declared in this scope
SPIFFS.remove(CONFIGURATION_FN);
^
exit status 1
Error compiling for board ESP32 Dev Module.
Not of concern:
WARNING: library ArduinoOcpp claims to run on espressif8266 architecture(s) and may be incompatible with your current board which runs on esp32 architecture(s).
Multiple libraries were found for "WiFi.h"
Used: /Users/xxx/Library/Arduino15/packages/esp32/hardware/esp32/1.0.6/libraries/WiFi
Not used: /Applications/Arduino.app/Contents/Java/libraries/WiFi
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matth-x
commented on May 31, 2024
The library is not compatible with the SPIFFS implementation on the ESP32 yet. The workaround is to delete the code which uses SPIFFS commands. Basically, if you delete everything inside the precompiler statements
#ifndef AO_DEACTIVATE_FLASH
... //code which uses unsupported SPIFFS library. Delete this
#endif //ndef AO_DEACTIVATE_FLASHyou should be fine. They are in src/ArduinoOcpp/Core/Configuration.cpp and src/ArduinoOcpp/Tasks/SmartCharging/SmartChargingService.cpp.
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Fyod
commented on May 31, 2024
That worked, thanks!
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matth-x
commented on May 31, 2024
That's nice to hear! If you encounter more problems, please don't hesitate to report them.
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matth-x
commented on May 31, 2024
@lincomatic Thank you, your input is much appreciated. Now the develop branch runs directly on the ESP32 without editing something before.
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