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SoC: stm32c0 support (#3174)

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deps: Use hal_stm32 with stm32c0 USB device fixes.

Pull in ZMK fork of hal_stm32 with USB device driver fixes for stm32c0.

feat: Add nBOOT_SEL bit setup for STM32 G0/C0 targets

Newer STM32 C0 and G0 series SoCs do not by default allow use of the
BOOT0 pin/button to enter the bootloader once something has been flash
to the device, which is a change from previous series, and usually not
what's wanted for keyboards running ZMK. To address this, add some
optional, but default initialization code to check the nBOOT_SEL bit and
override it if necessary to ensure BOOT pin/button functionality.

docs: Extract bootloader config into a dedicated page.

Pull the bootloader intergration options out of the system configuration
page into their own dedicated one.

Co-authored-by: Nicolas Munnich <98408764+nmunnich@users.noreply.github.com>

---------

Co-authored-by: Nicolas Munnich <98408764+nmunnich@users.noreply.github.com>
This commit is contained in:
Pete Johanson
2026-01-07 16:05:13 -07:00
committed by GitHub
parent 43b09e0fae
commit f85ec7e7a2
8 changed files with 106 additions and 8 deletions
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docs/sidebars.js
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@@ -122,6 +122,7 @@ module.exports = {
"config/battery",
"config/behaviors",
"config/bluetooth",
"config/bootloader",
"config/combos",
"config/displays",
"config/encoders",