Silicon Labs EFM32™ CPU Support Package

Warning: This is a legacy package, it has been provided to keep existing projects working and is not recommended for new projects. This package has been replaced by Silicon Labs EFM32 CPU Support Package.

This package contains project templates and system files for the Silicon Labs EFM32™.

CrossWorks Version 2 Installation Instructions

To install this support package

1. Click the Tools > Package Manager menu option to open the package manager window.
2. Right click on the Silicon Labs EFM32 CPU Support Package entry and select Install Selected Packages.
3. Click Next to take you to the summary page.
4. Click Next to install the package.
5. Click Finish to close the package manager window.
6. Click the Tools > Show Installed Packages.
7. Click on the Silicon Labs EFM32 CPU Support Package link to view the package and its contents.

To manually install this support package

1. If you have not done so already, follow the CMSIS 3 Support Package installation instructions.
2. Download the file EFM32.hzq using your web browser.
3. Click the Tools > Manually Install Packages menu option.
4. Select the file you have just downloaded to install the package.
5. Click the Tools > Show Installed Packages.
6. Click on the Silicon Labs EFM32 CPU Support Package link to view the package and its contents.

To install this support package using other versions

• CrossWorks Version 3 Installation Instructions
• CrossWorks Version 4 Installation Instructions

Release Notes

1.15

• Added support for EFM32 Happy Gecko devices.
• Updated EFM32 CMSIS files to version 4.0.0
• Added support for EFM32G800F128 devices.
• Added support for EFM32LG360F128, EFM32LG360F64 and EFM32LG900F256 devices.
• Added support for EFM32WG360F128, EFM32WG360F64 and EFM32WG900F256 devices.

1.14

• Updated EFM32 CMSIS files to version 3.20.7.

1.13

• Fixed memory simulator problem.

1.12

• Updated EFM32 CMSIS files to version 3.20.5.

1.11

• Changed Energy Micro branding to Silicon Labs.
• Added ctl_sleep and ctl_woken to ctl_efm32.c. These functions can be used in CTL V3 to reduce the timer interrupt frequency when in low power mode.
• Added test10.c to ctl tests. This file is supplied with CTL V3.
• Rearranged System Control Space register groups in registers window.
• Added support for EFM32 Zero Gecko devices.
• Improved flash loader programming speed.
• Corrected EFM32TG108F4 and EFM32TG110F4 RAM sizes.

1.10

• Added support for EFM32 Wonder Gecko devices.
• Updated EFM32 CMSIS files to version 3.20.0
• Removed old CMSIS core library. Existing projects should remove references to $(TargetsDir)/EFM32/lib/cmsis$(LibExt)$(LIB) from the Linker Options > Additional Input Files project property as the library is no longer required.

1.9

• CTL projects now default to a process stack size of 256 bytes. Please note that existing CTL projects will need to specify a process stack size using the Runtime Memory Area Options > Process Stack Size project property in order to work with CrossWorks for ARM version 2.3.1 onwards.
• Increased default main stack size to 256 bytes.
• Updated EFM32 CMSIS files to version 3.0.3

1.8

• Added support for EFM32TG225F16, EFM32TG225F32, EFM32TG225F8, EFM32TG825F16, EFM32TG825F32 and EFM32TG825F8 devices.
• Updated EFM32 CMSIS files to version 3.
• Updated EFM32 SVD files to version 1.6.

1.7

• Project templates now default to using EABI compiler.
• Now uses the CMSIS 3 core support package. Existing projects will need to make the following changes in order for the project to build:
  • Add $(TargetsDir)/EFM32/include/CMSIS and $(TargetsDir)/CMSIS_3/CMSIS/Include to the Preprocessor Options > User Include Directories project property.
  • Remove references to $(TargetsDir)/EFM32/lib/cmsis$(LibExt)$(LIB) from the Linker Options > Additional Input Files project property as the library is no longer required.
  • Remove the file core_cm3.c from the project as it no longer exists or is required.
• Loader now works when AUXHFRCO has been enabled.

1.6

• Added support for EFM32 Giant Gecko and EFM32 Leopard Gecko devices.
• Added EABI versions of libraries.

1.5

• Added support for EFM32G222, EFM32G232, EFM32G842 devices.
• Added support for EFM32 Tiny Gecko devices.
• Now using CMSIS version 2.0.

1.4

• Added core registers to memory map files.

1.3

• Fixed startup code for applications running in RAM configuration.
• Now uses CMSIS SVD register description files.
• The Target Interface Type property is now set to SWD by default.
• SWD interface will now run at full speed after reset.

1.2

• Added work-around for swapped RAM/FLASH parameter definitions in some Gecko parts.

1.1

• Added memory simulation DLLs.

1.0

• Initial Release.

Documentation

Silicon Labs Examples

Silicon Labs provides many example projects that can be used with CrossWorks in their Simplicity Studio. To use these examples:

• Download and install Simplicity Studio from the Silicon Labs website.
• Start CrossStudio and install the EFM32 CPU support package if it has not been installed already.
• Start Simplicity Studio and from this select the example you want to use, then press the Source button to load the example solution into CrossStudio.