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docu: traces and issue description from SuperCharger

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uhi22 2023-03-06 07:49:41 +01:00
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doc/bug_analysis.md
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@ -4,12 +4,15 @@
- In the SessionSetupResponse, the SuperCharger V3 correctly provides a sessionID, e.g. "06ef0071". - In the SessionSetupResponse, the SuperCharger V3 correctly provides a sessionID, e.g. "06ef0071".
- But we ignore this, and send in all next messages (starting with ServiceDiscoveryReq) the sessionID "deadbeefdeadbeef". - But we ignore this, and send in all next messages (starting with ServiceDiscoveryReq) the sessionID "deadbeefdeadbeef".
- The SuperCharger correctly complains with "ResponseCode": "FAILED_UnknownSession". - The SuperCharger correctly complains with "ResponseCode": "FAILED_UnknownSession".
- logs 2023-03-02_SuperCharger_CableCheck_error.pcapng and 2023-03-02_SuperCharger_CableCheck_error.decoded.txt
- observed with Software version v0.5-12-g23b1384, on 2023-03-02. - observed with Software version v0.5-12-g23b1384, on 2023-03-02.
- root cause: In main_commandlineinterface.c we check, whether the session ID has 16 characters, to represent 8 hex bytes. - root cause: In main_commandlineinterface.c we check, whether the session ID has 16 characters, to represent 8 hex bytes.
But the SuperCharger provides 8 characters, to present 4 bytes. Thats why the function useSessionIdFromCommandLine() But the SuperCharger provides 8 characters, to represent 4 bytes. That's why the function useSessionIdFromCommandLine()
operates with the default session ID "deadbeefdeadbeef". operates with the default session ID "deadbeefdeadbeef".
- solution: in function useSessionIdFromCommandLine(), also accept shorter session IDs. And in function init_dinMessageHeaderWithSessionID(), - solution: in function useSessionIdFromCommandLine(), also accept shorter session IDs. And in function init_dinMessageHeaderWithSessionID(),
use a dynamic length instead of the fixed length LEN_OF_SESSION_ID (=8). use a dynamic length instead of the fixed length LEN_OF_SESSION_ID (=8).
- implementation done with https://github.com/uhi22/OpenV2Gx/commit/9c08c19ce14446a316ed4059d6d5b5e07721fd9d
- to be tested.
## Issue 17: Welding detection fails ## Issue 17: Welding detection fails

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results/2023-03-02_SuperCharger_CableCheck_error.decoded.txt Normal file
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results/2023-03-02_SuperCharger_CableCheck_error.pcapng Normal file
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