This directory contains different HALs for SoCs supported by Zephyr. The following HALs are supported: cmsis ------- The ARM Cortex Microcontroller Software Interface Standard (CMSIS) defines a set of standard interfaces to ARM Cortex-M SoCs. ksdk ------- The Kinetis Software Development Kit (KSDK) provides device header files and peripheral drivers for Kinetis SoCs. nordic ------- The Nordic Semiconductor Microcontroller Development Kit (MDK) provides device header files for the Nordic Semiconductor nRF5 SoCs. qmsi ------- Intel® Quark™ Microcontroller Software Interface (QMSI) is a Hardware Abstraction Layer (HAL) for Intel® Quark™ Microcontroller products. It currently support the following SoCs: - Intel® Quark™ D2000 Microcontroller - Intel® Quark™ SE Microcontroller