1. Moto-eV Team 13 Michael Stuckenschneider Loren Garby Arin Chakraverty
Janell Niekamp

2. Software Design Outline
- Accurately measure current draw from motor and user demand from throttle - Gather data from sensors (inclinometer, battery monitors, motor speed) - Output vital information on the LCD display - Power motor while maintaining safety considerations

3. Priority Organization
Highest Priority
Current draw from motor
User demand from throttle
Normal Priority
Inclinometer, Battery Monitor
LCD update, Motor speed sensor
Low Priority
Ride mode switch

4. Software Design – General Flowchart
Power On
Initialize Micro and LCD
Main Loop Motor Control Algorithm
Update LCD Display
Read Current Draw
Read Throttle No
Monitor Flag?
Yes
High Priority Flag?
Read Inclinometer, Batteries, LCD Backlight, Motor Speed, GPIO’s
Yes No
Stall Flag?
Yes
Read Ride mode No

5. Interrupt Service Routines
A/D conversion - Read input data - Increment through inputs Timer Routine - Increment counters - Set flags based on priority level

6. Motor Drive Algorithm
Current Draw > Throttle input?  Do not power motor (0) Current Draw < Throttle input?  Send power to motor (1)

7. Safety Considerations
200 Amp maximum current draw Power trip plug Inclinometer > 75˚ …

8. Software Design
Questions?