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pyPLC/doc/bug_analysis.md
uhi22 76d9e95d6c docu: v0.4 progress documented
2022-12-13 21:52:16 +01:00

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Open issues

Issue15: After end of PreCharging, the log says "re-initializing fsmPev"

  • observed with v0.4 on the Compleo charger
  • PreCharge target voltage is reached. The fsmPev sends a message 01fe800100000012809a022189cbf75b9625a9513022800a0800 and after one second the state machine seems to run into timeout.

Issue14: Connection loss after authorization

  • with version v0.4.
  • same version works fine on Compleo
  • could be also caused by weak power of the powerbank. The TpLink and Dieter made restart from time to time.
  • to be retested with better supply and on other chargers.

Issue12: Alpi reports "sequence error" for CableCheck

  • with version v0.3.
  • maybe he expects the state C, or something is wrong with the sequence before.

Closed issues

[Solved] Issue13: Compleo SLAC stops after SlacParamResponse

  • Root cause: The Compleo ignores the StartAttenChar, if the timeout field is set to 1000ms instead of the nominal 600ms.
  • Solution: implemented the nominal 600ms.
  • fixed with commit cf9160c1bc
  • Test pass on Compleo with v0.4

[Solved] Issue10: Alpi says SequenceError in ChargeParameterDiscoveryRes

  • ServicePaymentSelectionRes says "ResponseCode": "OK", and has no more fields.
  • Afterwards we send ChargeParameterDiscoveryReq and get ChargeParameterDiscoveryRes containing "ResponseCode": "FAILED_SequenceError".
  • Analysis: In the ISO case, the ChargeParameterDiscoveryReq comes after the AuthorizationRes with EVSEProcessing=Finished. But we are using DIN, and here there is no AuthorizationRes, but ContractAuthentication instead. But, this does not have a field EVSEProcessing. And in DIN, we have dinContractAuthenticationResType, which contains ResponseCode and EVSEProcessing (see OpenV2G, dinEXIDatatypes.h).
  • Solution: Send ContractAuthenticationReq after ServicePaymentSelectionRes, and repeat it until it says "finished". Test pass with v0.3.

[Solved] Issue11: TCP connection fails on Alpi

  • Observation: On Alpitronics, the SDP works, but the TCP connect fails. The connection is rejected by the charger.
  • Root cause: We used fixed port 15118 for the TCP. This is not intended, even it works on other chargers (ABB).
  • Solution: use the TCP port, which was announced in the SDP response.
  • Test pass with version v0.2-9-ga9b6e82.