Comments (4)
hartkopp
commented on August 25, 2024
There is a gap of nearly 1049ms not 49ms in your log. And yes, there is a timeout of 1 sec when the PDU transmission is active.
Any idea what delays the second CAN frame for more than one second?
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Thomseeen
commented on August 25, 2024
I suppose it's just the Simulation Board and it's implementation. If this is intended behavior it is fine, 1s is a lot... just seemed inconsistent and hence confusing with the behavior of the isotpsniffer application.
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hartkopp
commented on August 25, 2024
Good point about the inconsistency!
In fact in listen-only mode (which is used by isotpsniffer) the timeouts are not enabled:
https://github.com/hartkopp/can-isotp/blob/master/net/can/isotp.c#L597
Will check if that can be changed without side effects.
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hartkopp
commented on August 25, 2024
Sent a fix for it on the linux-can ML:
https://lore.kernel.org/linux-can/[email protected]/
Thanks Thomas!
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Related Issues (20)
- use read() function and add notify function. HOT 18
- ERRNO 84 on recv() HOT 2
- FlowControl: isotp vs. "real" OBD2 adapter behavior HOT 4
- how to send > 4095 isotp message HOT 3
- wait_tx_done does not seem to be working [RPi + python-can-isotp] HOT 31
- MAX_MSG_LENGTH to 66000 commit is missing from this repo HOT 1
- When trying to read 8K messages on ISO-TP socket using Classic CAN receive back -1 with errno 110 ETIMEDOUT HOT 5
- FlowControl frame address tx_id vs. rx_id - 8? HOT 2
- Unrecoverable error when using python socket with CAN_ISOTP. HOT 8
- Sending rate cannot be faster than 300us HOT 12
- unstable transmission of data: sequence number of consecutive frames get messed up HOT 3
- MSG_CMSG_COMPAT set by the kernel for `recvmsg` HOT 7
- Compiling of branch mainline-5.4+ HOT 2
- IP over CAN ISO-TP multi-host HOT 2
- Address extension in one direction but not the other HOT 2
- ISOTP module does not ignore the priority bits (high 3 bits of extended ID) HOT 4
- read: Network is down HOT 2
- missing feedback on expired timer for first flow control (FC) frame HOT 2
- best way to programatically test if the module is installed? HOT 6
- make fails and I can't figure out why. Hoping someone can help out HOT 3
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