This issue is to track the progress of the integrated radio drivers of the EFR32 family (supported via EFM32).

Currently, the following boards have support:

• SLTB001a
• IKEA-tradfri

Current work:

• Initial driver based on RAIL 1.x by @kaibeckmann: here
• Non-working initial upgrade to RAIL 2.x by @basilfx: here,

TODO:

• Port RAIL 1.x driver to 2.x (@kaibeckmann drivers/rail: efr32 radio driver #9212)
  • Gecko SDK package updates
• GNRC (@kaibeckmann drivers/rail: efr32 radio driver #9212)
• ...

Caveats/comments/notes:

• RAIL 2.x supports multi-protocol (e.g. 802.15.4 and BLE). How to handle?
• RAIL 1.x/2.x is a blob with fixed ISR names (can be remapped, e.g. arm-none-eabi-objcopy librail_efr32xg1_gcc_release.a --redefine-sym FRC_PRI_IRQHandler=isr_frc_pri)