Search found 3 matches

by Root.W
Mon 23. May 2022, 17:10
Forum: PCAN-UDS
Topic: UDS Secruity Access issues with fragmented messages
Replies: 5
Views: 3690

Re: UDS Secruity Access issues with fragmented messages

Hello,

thank you for the advice checking a negative response.

The WaitForService functions returns "PUDS_ERROR_NO_MESSAGE" in both cases.

I got curios too and used the SvcWriteDataByIdentifer function. The reply should be a single frame positive response.


//request uses the nettaddrinfo ...
by Root.W
Mon 23. May 2022, 14:33
Forum: PCAN-UDS
Topic: UDS Secruity Access issues with fragmented messages
Replies: 5
Views: 3690

Re: UDS Secruity Access issues with fragmented messages

Hello,

thank you for the reply.

I checked all DLL versions and I am using the latest versions.

I also checked

TPUDSMsg Testmsg = {};


My Testmsg is configured:


Testmsg.NO_POSITIVE_RESPONSE_MSG = PUDS_KEEP_POS_RSP_MSG_INDICIATION_BIT; // (0x0)


I tried to finish the communication ...
by Root.W
Fri 20. May 2022, 15:38
Forum: PCAN-UDS
Topic: UDS Secruity Access issues with fragmented messages
Replies: 5
Views: 3690

UDS Secruity Access issues with fragmented messages

Hello,

I have some issues regarding the security access to an ecu.
In generell everything seems to work fine until I have to send the key -16 bytes of data-.
I use PCAN-View to monitor the communication and I realized, that the message-flow starts correctly.
The application sends the first frame ...