Feat 2cores

[nitin710]

Description

• Data acquisition and Data processing now split into 2 tasks on 2 cores
• Core 1
  • Data acquisition (read sensors)
  • Main loop
  • IDLE task (RTOS default. performs cleanup)
• Core 2
  • update
  • Wifi
  • IDLE task (RTOS default. performs cleanup)

Requirements

• None

Issues Referenced

• None

Documentation update

• This is a purely backend change. No user facing documentation needs updating.

Notes for Reviewer

• None

Testing

Results

• Synopsis of results, details if required.
• See doc RTOS-2 core data collection timing analysis (emotibit) for timing analysis

Feature Tests

• ❌ Short Button Press
• ❌ Long Button Press
• EmotiBit data acquisition time period accuracy with Streaming+recording
• EmotiBit data acquisition time period accuracy with WiFi off+recording is
• ToDo: Run a data integrity test
• ToDo: catalog update loop timing

Shared files

• Firmware binary: 1.9.0.feat-2Core.3.zip

Checklist to allow merge

• All dependent repositories used were on branch master
• Firmware
  • Set testingMode to TestingMode::NONE
  • Set const bool DIGITAL_WRITE_DEBUG = false (if set true while testing)
  • Update version in EmotiBit.h
  • Update library.properties to the correct version (should match EmotiBit.h)
• doxygen style comments included for new code snippets
• Required documentation updated

Screenshots:

[nitin710]

This PR is blocked because:

1. Short/long button press seem to crash the ESP core.
2. Seems like it has something to do with GPIO toggles during sleep raising an unhandled exception somewhere.