Start fork
Add .gitignore
Start EFM32 support
Add EFM32 libraries, resolve compilation errors
working ...
...
working copy
Add STK3700 board
Implement GPIO interrupts
Fix GPIO interrupt handler
Merge with upstream
Add custom board to bootloader, RFM96W-BB/LoRaMac/classA
Add USB CDC
Change usb support files
Merge remote-tracking branch 'upstream/master'
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Merge remote-tracking branch 'upstream/master'