Fix ADC2 and tidy up

[AdrianSoundy]

Description

Tidy up code and fix channel number used for internal ADC2 (ADC1 channels 10 to 19)
Make sure WiFi is not initted if disabled so that ADC2 can work.

Motivation and Context

• Resolves For ESP32 Pico, not all ADC channels can be opened Home#822

How Has This Been Tested?

Modified ADC sample

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)
• Config and build (change in the configuration and build system, has no impact on code or features)
• Dependencies (update dependencies and changes associated, has no impact on code or features)
• Unit Tests (work on Unit Tests, has no impact on code or features)
• Documentation (changes or updates in the documentation, has no impact on code or features)

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.

[nfbot]

Hi @AdrianSoundy,

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

A human will be reviewing it shortly. 😉

[nfbot]

Hi @AdrianSoundy,

😞 You have to make up your mind on how this PR addresses the issue. It either fixes, closes or resolves it. Can't have them all...

[nfbot]

@AdrianSoundy there are issues with the code style on the source files.
A PR was submitted with the code style fixes. Please click https://github.com/AdrianSoundy/nf-interpreter/pull/35, review the changes if you want and merge it.

Make sure to follow the project code style. Check the details here on how it works and the tools required to help you with that.

[josesimoes]

LGTM! Thanks for fixing this. 😄