ChibiOS/HAL

The HAL component is meant to be an abstraction layer between the application and the underlying micro-controller hardware.

HAL offers an high level API for accessing common MCU peripheral like GPIO, ADC, SPI and so on and also take care of clocks-related and board-level initialization.

This component is only released only under Apache License 2.0 and is 100% free also for commercial use.

In Brief