grbl

https://github.com/grbl/grbl
支持8位

grblHAL

https://github.com/grblHAL的国内镜像
支持32位

The ultimate Grbl port:
available for many 32 bit processors and controllers.
hardware abstracted (HAL) architecture with processor specific drivers and shared cor

grblHAL与grbl

grblHAL 将 grbl 分为两部分：
一部分包含所有与处理器相关的代码 – 硬件抽象层 (HAL);
一部分不包含 – GRBL 核心;

联系

https://github.com/grbl/grbl (for grbl)
https://github.com/grblHAL (for grblHAL)