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docs: add info on how to set different CAN interrupt pins

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Signed-off-by: Damiano Ferrari <damiano.ferrari@ferrarigrowtech.com>
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Damiano Ferrari 2024-01-23 18:20:36 +01:00 committed by Andrei Gherzan
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commit ab5815a2ca
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docs/extra-build-config.md
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@ -314,6 +314,13 @@ Some modules may require setting the frequency of the crystal oscillator used on
CAN_OSCILLATOR="8000000"
Configure the interrupt pin to the one connected to the CAN module. By default,
the pins are set to 25 for can0 and 24 for can1. To change them to 12 and 16,
the following variables also have to be set:
CAN0_INTERRUPT_PIN = "12"
CAN1_INTERRUPT_PIN = "16"
Tested modules:
* PiCAN2 (16 MHz crystal): <http://skpang.co.uk/catalog/pican2-canbus-board-for-raspberry-pi-23-p-1475.html>