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Update the length of the heartbeat message to be 8 and fill the remaining bytes with 0xFF - #705

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Open-Agriculture:mainfrom
sam-brodie:update_heartbeat_dlc
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Update the length of the heartbeat message to be 8 and fill the remaining bytes with 0xFF#705
sam-brodie wants to merge 1 commit into
Open-Agriculture:mainfrom
sam-brodie:update_heartbeat_dlc

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@sam-brodie

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Update the length of the heartbeat message to be 8 and fill the remaining bytes with 0xFF. The Heartbeat message has a length of 8 https://www.isobus.net/isobus/pGNAndSPN/3299?type=PGN

Describe your changes

Pad the heartbeat message with 0xFF to a length of 8.

How has this been tested?

Using Vector CANoe to request the heartbeat, CANoe will flag that the lengths is incorrect.

@ad3154

ad3154 commented Jul 29, 2026

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This appears to be a very recent change to the definition of the heartbeat message - and for some reason, they didn't update the PG modify date in the online database. Very odd.

Anyways, thanks for this contribution. I will approve it if you update the tests, which are currently expecting a length of 1, so that just needs to be changed to 8.

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2 participants