Gecko SDK version v4.0.0
Changes to 4.0.0:
- Use ARM CMSIS version 4.2.0.
- emlib: New style version macros in em_version.h.
- usb: Added support for isochronous endpoint transfers.
- emdrv: GPIOINTERRUPT, fixed race condition in GPIOINT_IRQDispatcher.
Changes to 4.0.0: