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SW4STM32 and SW4Linux fully supports the STM32MP1 asymmetric multicore Cortex/A7+M4 MPUs

   With System Workbench for Linux, Embedded Linux on the STM32MP1 family of MPUs from ST was never as simple to build and maintain, even for newcomers in the Linux world. And, if you install System Workbench for Linux in System Workbench for STM32 you can seamlessly develop and debug asymmetric applications running partly on Linux, partly on the Cortex-M4.
You can get more information from the ac6-tools website and download (registration required) various documents highlighting:

System Workbench for STM32

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how the variable of openstm32_compiler_path been set?

Posted by bluenow on 2016-10-13 15:27

Hi,
For some reason I want to try alternative toolchain, likely different version of gcc for embedded arm, openOCD.
By searching around, it seems like the most easiest way is to change openstm32_compiler_path to point to new installed alternative version of GCC.
So, the question is, where and how the original openstm32_compiler_path been set? How I can change it?

Thanks for help.
-BNow

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Posted by LaurentL on 2016-10-14 11:27

Hello,

I don’t really answer your questions but there is a new version available.
You can update the plugins, menu Help => Check for Updates, to version 1.11.0.

The gcc arm tools have been updated to the release 5.4 of 2016q2. (gcc exe at 5.4.1 version)

Also, you can choose the eclipse option to directly show new version available :
In menu Window => Preferences => Install/Update => Automatic Updates => Tick “Direcly show update wizard” option (the last one).
This option is not available before eclipse Luna version.

Rgds,
Laurent

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Posted by bluenow on 2016-10-14 16:00

Hi Laurent,
Thanks for your information. I will try to update.
But I’m be more intrested to, how I can be flexible to chose between version of toolchain? I wouldn’t be swiching toolchain backing forth on daily basis, but in some situation, I want to compare and test.
Any thought or suggestion?
Thanks,
-BNow

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Posted by MSchultz on 2016-10-15 00:57

Eclipse variables such as openstm32_compiler_path can be changed by opening the property dialog (Project -> Properties) then selecting C/C++ Build -> Build Variables

Make sure to check the “Show System Variables” option on the bottom of the dialog.

I tried editing the variable mentioned above (which was marked as a “ECLIPSE DYNAMIC VARIABLE”) to point to a different location for the ARM GCC tools, the override was accepted, and shows in the Build Variables dialog with the changed value, but it did not appear to “take”; the AC6-bundled tools were still used.

It is possible that you might have to edit the PATH (same dialog) since the path to the AC6-provided toolchain appears here as well. I did not take my own experimentation that far.

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Posted by bluenow on 2016-10-15 04:17

I had reached the same point but can’t move further more.
I suspect that the “ECLIPSE DYNAMIC VARIABLE” means the eclipse will supply the value of variable at the moment it needed. So that is why seems changing the value doen’t do any thing.
I was wondering if AC6 guys could help on this?

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