From cc4615d6dc05eb8e5b1b4fad60271ae6437b2f46 Mon Sep 17 00:00:00 2001 From: Tyler Perkins Date: Fri, 7 Jan 2022 12:15:01 -0500 Subject: [PATCH] Update for 07-01-22 12:15 --- tech/RP2040.wiki | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/tech/RP2040.wiki b/tech/RP2040.wiki index 2c8a917..5b5f36f 100644 --- a/tech/RP2040.wiki +++ b/tech/RP2040.wiki @@ -4,6 +4,14 @@ Raspberry pi's micrcontroler, based on the RP2040 See datasheet https://datasheets.raspberrypi.org/pico/pico-datasheet.pdf +== Interrupts == + +Hardware interrupts uses standard ARM nested vectored interrupt controller. +Interrupts have ID 0-31. The RP2040 only uses 0-26, the rest are tied to +ground. Both cores are tied to the same interrupt lines. + +*Do not enable the same interrupt on both cores*, as this leads to race +conditions. [[index]]