android-pedometer

Requirements:

1. Count steps in 2 orthogonal directions
2. Button to reset steps
3. Calibration
4. Low error rate

Components/Checklist:

• Pedometer: steps taken - Pierre
• Orientation: direction of steps
  • Get acc + mag sensor combo working together to produce an azimuth - Tian
  • Calculate the North and East components of each step taken - Tian
  • Smooth the sensors - Pierre
• Map - Tian
• Reset button - Nelson
• Calibration button/popup - disables steps - Nelson
• (Optional) Pause step counting when a high angular velocity is detected to reduce false postives.

Implementation:

• Step detection code will be carried over from previous lab
• Each time step is updated a method will be called to update the North and East components of the step, from sin(theta) and cos(theta), theta value obtained from orientation sensor

Buttons:

• reset: changes all steps to 0
• calibration: disables step registering, show popup dialog to rotate phone