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[Core] Add support for RISC-V builds and GD32VF103 MCU (#12508)

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* Add support for RISC-V builds and GD32VF103 MCU

* Add toolchain selection in chibios.mk based on the mcu selected in
mcu_selection.mk
* Reorder and added comments to chibios.mk to have a streamlined makefile
* Add GD32VF103 mcu to possible targets for QMK.
* Add STM32 compatibility for GD32VF103 MCU, this is hacky but more efficent
  then rewriting every driver.
* Add GigaDevice DFU bootloader as flash target, please note that
  dfu-util of at least version 0.10 is needed.
* Add analog driver compatibility
* Add apa102 bitbang driver compatibility
* Add ws2812 bitbang driver compatibility
* Add eeprom in flash emulation compatibility
* Allow faster re-builds with ccache

* Add SiPeed Longan Nano to platform files

* Add SiPeed Longan Nano Onekeys

* Make quine compatible with other bootloaders

* Support builds with picolibc

* Add risc-v toolchain to arch and debian/ubuntu scripts
This commit is contained in:
Stefan Kerkmann
2021-10-18 07:23:20 +02:00
committed by GitHub
parent 7e3ff206b8
commit e50867d52d
31 changed files with 900 additions and 122 deletions
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11
keyboards/handwired/onekey/sipeed_longan_nano/rules.mk Normal file
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@@ -0,0 +1,11 @@
# MCU name
MCU = GD32VF103
BOARD = SIPEED_LONGAN_NANO
# Bootloader selection
BOOTLOADER = gd32v-dfu
# Build Options
# change yes to no to disable
#
KEYBOARD_SHARED_EP = yes