it is porting sample for zephyr for stk3700 siliconlabs
The LED will start at a blinking frequency of 1 Hz. if you can connect terminal with board, it will display "hello world" at same frequency
- Download 'script communicator <https://sourceforge.net/projects/scriptcommunicator/>' as terminal
- Download 'segger driver <https://www.segger.com/downloads/jlink/#J-LinkSoftwareAndDocumentationPackBeta>' and install driver as your OS
- connect usb cable with PC.run script communicator ,select the port and baud rate as 115200
- run jlinkgdbserver
- run d script
- input "cont" in GDB command line, program begin to run.
- install 'west and zephyr-sdk <https://docs.zephyrproject.org/latest/getting_started/index.html>',create project directory then run "west init" and "west update" to get the latest zephyr
- copy silabs directory to the directory zephyr/dts/arm/silabs
- add such line "zephyr_sources_ifdef(CONFIG_SOC_SERIES_EFM32GG Device/SiliconLabs/EFM32GG/Source/system_efm32gg.c)" to the file module/ext/hal/silabs/gecko/CMakeLists.txt as the file in directory silabs/gecko/CMakeLists.txt
- Download gecko_sdk_suite from silabs.you can aslo install simplicitystudio or get it from MDK pack. then you can find the sdk directory from the directory,copy them(EFM32G) to the directory modules/hal/silabs/gecko/Device/SiliconLabs.(if you use old version. this directory is at ext/hal/silabs)
- run the build.sh to generate the coniguration .then input "cd build" to run command: "ninja "then wait for generating elf file,
- tested on ubuntu and debian
- 'STK3700 starter kit <https://www.silabs.com/products/mcu/32-bit/efm32-giant-gecko>'