Comments (7)
In the standard Smart Charging scenario, the OCPP server sends charging limits to the EVSE which MicroOcpp forwards to your application via the ocpp_setSmartChargingCurrentOutput
callback function.
The EVSE can report back the actual charging limit (resulting from local load balancing restrictions, cable capacity, ect.) over MeterValues with the Measurand Current.Offered
. To add a new measurand, use
Line 137 in c0732dc
For example:
float my_charging_limit() {
return 16.f; // TODO replace with the actual charging limit of the EVSE
}
// register callback (somewhere in the setup function):
ocpp_addMeterValueInputFloat(my_charging_limit, "Current.Offered", "A", NULL, NULL);
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I see. It's possible to register custom Configurations as described here: #248 (comment) The approach works the same for accessing built-in Configs as for declaring new, custom Configs.
Having a Config for the maximum current, you can read its value in the firmware integration and make sure that your charger never exceeds that level manually.
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I see. It's possible to register custom Configurations as described here: #248 (comment) The approach works the same for accessing built-in Configs as for declaring new, custom Configs.
Having a Config for the maximum current, you can read its value in the firmware integration and make sure that your charger never exceeds that level manually.
thanks, i will try and post the results here.
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I tried to connect a esp to a EVSE but apparently i had it wrong, this library should connect to a ocpp server as the EVSE does, not the other way. There are any functions in this library to implement a ocpp server on the esp32?
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No, it's not supported at the moment. I did build a proof of concept for this once, but didn't go any further that direction.
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thanks for the support!
No, it's not supported at the moment. I did build a proof of concept for this once, but didn't go any further that direction.
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Related Issues (20)
- Saving the charging summary HOT 10
- Commercially Available Options HOT 4
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- Charge profile limiting not working if current is set (tested with the simulator) HOT 1
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- What value do I measure with "L1" compared to "L1-N" and "L1-L2", according to the protocol specifications? What value do I get via "L1"? HOT 1
- ESP32-IDF ESP32C3 : How to test all the ocpp opetrations over esp32 module HOT 2
- GetDiagnostics‘s issue HOT 2
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- Error compiling for board DOIT ESP32 DEVKIT V1
- How to send 'Finishing' when receive 'SoftReset' during charging. Not 'Unableable' HOT 1
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