Eclipse based Code Composer Studio: Downgrade Compiler Tools
From DSignT Support Database
Contents
1 Problem
The CodeComposer Studio update assistant rejects installing old tools, if a new tools version is installed:
"C6000 Compiler Tools" will be ignored because a newer version is already installed.
2 Solution
2.1 Uninstall and delete latest compiler
Restart CCS
2.2 Install older compiler tools
Select "Install New Software..." or "Install Code Generation Compiler Tools..." depending on what is available in your CCS installation.
Choose the older compiler tools you whish to install:
2.3 Verify installation of older compiler tools