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Initial Start state:

• Neutral

Todo: 

• Read regulations about lights states when were drive or not

Motor Controller Interface:

• Needs to have states, needs to accept acceleration command ONLY while in drive state. 

Scenario: driver turns on the car, presses the drive button: , drives, stops, presses neutral.  

• conditions: Precharge has happened. Relays are closed. We verified that we can connect to the MCI. MCI needs to be in idle mode. 
• Centre console will pickup Drive button.
• Display will show D. 
• Rear/Front Power Distribution need to know: lights behaviour change. 
• Motor Controller Interface needs to know: sets itself into drive state. 
• Pedal Board needs to know, starts broadcasting the pedal angle. 
• Motor Controller Interface listens on CAN and adjusts the power delivered to the motors. 
• Motor Controller Interface broadcasts velocity to the centre console board. 
• Motor Controller Interface logs:
  • pack current
  • temperature
• Driver comes to a stop (hopefully)
• Presses the neutral button.
• Centre console will pickup Drive button.
• Display will show N. 
• Rear/Front Power Distribution need to know: lights behaviour change. 
• Motor Controller Interface needs to know: sets itself into Neutral state. 
• Pedal Board needs to know, stops broadcasting the pedal angle.

Scenario: driver turns on the car, presses the drive button, drives, set cruise control, sets speed, disables cruise control via braking.

• driver enables cruise control (press button on steering wheel) 
• Steering Board picks that up. 
• Display shows that we're in cruise control. 
• Display needs to know the current speed: gets that from motor controller interface. 
• Motor controller interface: gets into cruise control mode 
• Driver adjusts the speed (incraease/ deacrease )
• Display and MCI will adjust
• Driver hits brakes
• Disp shows 
• MCI cancels the cruise control 

Scenario: driver turns on the car, presses the drive button, drives, set cruise control, sets speed, disables cruise control via button

• Disable (same thing, dispay will know, mci will know)

Scenario: driver turns on the car, presses the drive button, drives, set cruise control, sets speed, disables cruise control via changing drive state

• Disable (same thing, dispay will know, mci will know)

Scenario: driver decides to reverse and car is stationary:

• Everything the same as forward.

Scenario: driver decides to reverse and car is not stationary:

• Warning will be shown in the screen. 

Scenario: driver drives, something goes wrong, driver presses the kill switch

• BMS will know, display shows kill-switch pressed, centre console will be in neutral, motor controller interfaces must not be powered.

Scenario: how does Regen work? 

• a brake press will trigger regen to be completely activated.
• pedal board broadcasts braking to the mci as well. 

Notes: 

• unless you are in drive state, cruise control cannot be enabled. 

Jarvis:

• how often do you need to broadcast the messages? 
• mci: how often does she require the velocity to be set? 

Pressing Brakes:

• pressing brakes
• pedal board sends message to rear power distribution
• rear power distribution turns on brake lights

Todo:

• are the DRL controlled manually or automatically? 
• have a meeting w regards to car lights? 
• car's power states: what happens when we press kill switch
  • motor controller interfaces must not be powered?
• if fault happens: should we be able to get back on again?
• how the FREAK we do regen? 
  • Separate button? Mitch 
  • have to talk to mechanical cuz mica said some mech stuff that I don't get
• Infotainment screen will have regen on/off option
• Do we wanna have regen when drive? 
  • concern: you'd have to hold ur foot at an angle to coast.
• Regen on cruise control: does mci do it?  
• Make a state diagram for drive states. 

Nice to have:

• big ass speakers that REVVV
  • use