Silicon Labs EFM32

Registry:

https://registry.platformio.org/platforms/platformio/siliconlabsefm32

Configuration:

platform = siliconlabsefm32

Silicon Labs EFM32 Gecko 32-bit microcontroller (MCU) family includes devices that offer flash memory configurations up to 256 kB, 32 kB of RAM and CPU speeds up to 48 MHz. Based on the powerful ARM Cortex-M core, the Gecko family features innovative low energy techniques, short wake-up time from energy saving modes and a wide selection of peripherals, making it ideal for battery operated applications and other systems requiring high performance and low-energy consumption.

For more detailed information please visit vendor site.

Examples

Examples are listed from Silicon Labs EFM32 development platform repository:

Debugging

Debugging - “1-click” solution for debugging with a zero configuration.

Tools & Debug Probes

Supported debugging tools are listed in “Debug” column. For more detailed information, please scroll table by horizontal. You can switch between debugging Tools & Debug Probes using debug_tool option in “platformio.ini” (Project Configuration File).

Warning

You will need to install debug tool drivers depending on your system. Please click on compatible debug tool below for the further instructions.

On-Board Debug Tools

Boards listed below have on-board debug probe and ARE READY for debugging! You do not need to use/buy external debug probe.

Name

MCU

Frequency

Flash

RAM

EFM32GG-STK3700 Giant Gecko

EFM32GG990F1024

48MHz

1MB

128KB

EFM32WG-STK3800 Wonder Gecko

EFM32WG990F256

48MHz

256KB

32KB

SLSTK3400A USB-enabled Happy Gecko

EFM32HG322F64

25MHz

64KB

8KB

SLSTK3701A Giant Gecko S1

EFM32GG11B820F2048GL192

48MHz

2MB

512KB

Thunderboard Sense 2 Sensor-to-Cloud Advanced IoT

EFR32MG12P432F1024

40MHz

1MB

256KB

Stable and upstream versions

You can switch between stable releases of Silicon Labs EFM32 development platform and the latest upstream version using platform option in “platformio.ini” (Project Configuration File) as described below.

Stable

; Latest stable version, NOT recommended
; Pin the version as shown below
[env:latest_stable]
platform = siliconlabsefm32
board = ...

; Specific version
[env:custom_stable]
platform = siliconlabsefm32@x.y.z
board = ...

Upstream

[env:upstream_develop]
platform = https://github.com/platformio/platform-siliconlabsefm32.git
board = ...

Packages

Name

Description

framework-mbed

Arm Mbed OS is a platform operating system designed for the internet of things

framework-zephyr

Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures

tool-cmake

CMake is an open-source, cross-platform family of tools designed to build, test and package software.

tool-dtc

Device tree compiler

tool-gperf

GNU gperf is a perfect hash function generator

tool-jlink

Software and Documentation Pack for SEGGER J-Link debug probes

tool-ninja

Ninja is a small build system with a focus on speed

toolchain-gccarmnoneeabi

GNU toolchain for Arm Cortex-M and Cortex-R processors

Warning

Linux Users:

Windows Users:

Please check that you have a correctly installed USB driver from board manufacturer

Frameworks

Name

Description

Mbed OS

Arm Mbed OS is a platform operating system designed for the internet of things

Zephyr

Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures

Boards

Note

  • You can list pre-configured boards by pio boards command

  • For more detailed board information please scroll the tables below by horizontally.

Silicon Labs

Name

Debug

MCU

Frequency

Flash

RAM

EFM32GG-STK3700 Giant Gecko

On-board

EFM32GG990F1024

48MHz

1MB

128KB

EFM32WG-STK3800 Wonder Gecko

On-board

EFM32WG990F256

48MHz

256KB

32KB

SLSTK3400A USB-enabled Happy Gecko

On-board

EFM32HG322F64

25MHz

64KB

8KB

SLSTK3701A Giant Gecko S1

On-board

EFM32GG11B820F2048GL192

48MHz

2MB

512KB

Thunderboard Sense 2 Sensor-to-Cloud Advanced IoT

On-board

EFR32MG12P432F1024

40MHz

1MB

256KB