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fix f4 standby #3894

Merged
merged 3 commits into from
Feb 5, 2022
Merged

fix f4 standby #3894

merged 3 commits into from
Feb 5, 2022

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mck1117
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@mck1117 mck1117 commented Feb 5, 2022

fix rusefi/alphax-2chan#22

Tested with both TJA1051 and TJA1442.

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mck1117 commented Feb 5, 2022

tl;dr you have to clear the wake flag after configuring it if the pin was high when you configured it.

image

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mck1117 commented Feb 5, 2022

update: it still immediately wakes if you're transmitting CAN frames

@rusefillc rusefillc merged commit 2f8acb1 into rusefi:master Feb 5, 2022
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[not next revision] No wake up with TJA1442AT - 5v CAN power supply
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