Work on TI SimpleLink UART output

[josesimoes]

Description

• Add binary semaphore to guard UART access because it can be called from any thread.
• Move DebuggerPort_WriteProxy C++ code block in order to access debugger status flags.
• Add defines to map SimpleLink calls to UART output to nanoFramework API.
• Add debug output to SNTP thread.
• Uncomment UART output on TI SL threads.
• Increase flash region in debug flavour.

Motivation and Context

• Improve UART output on multithread.
• Improve feedback on thread status and events to help debugging.

How Has This Been Tested?

Screenshots

Types of changes

• Improvement (non-breaking change that improves a feature, code or algorithm)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

Signed-off-by: José Simões [email protected]

[nfbot]

Hi @josesimoes,

I'm nanoFramework bot.
Thank you for your contribution!

A human will be reviewing it shortly. 😉