Design a finite state machine based system that emulates the operation of a set of pedestrian crossing lights. There should be two sets of lights, one set for traffic and one set for pedestrians. The light for traffic should normally be green. When a pedestrian pushes the crossing button, the lights should change to allow them to cross the road. Pedestrians should not be able to permanently stop traffic by repeated pushing of the button (i.e. there should be a suitable delay somewhere in the system so that traffic has a chance to move even if there is a non-stop supply of pedestrians wishing to cross). The traffic lights for traffic should follow the standard UK sequence of green, amber, red, red/amber. The lights for pedestrians should only be red and green (i.e. ‘cross’ and ‘don’t cross’). Use the DE1 buttons, LEDs and seven segment displays in any appropriate way to demonstrate the system in operation
Design a finite state machine based system that emulates the operation of a set of pedestrian crossing
lights. There should be two sets of lights, one set for traffic and one set for pedestrians. The light for
traffic should normally be green. When a pedestrian pushes the crossing button, the lights should
change to allow them to cross the road. Pedestrians should not be able to permanently stop traffic by
repeated pushing of the button (i.e. there should be a suitable delay somewhere in the system so that
traffic has a chance to move even if there is a non-stop supply of pedestrians wishing to cross).
The traffic lights for traffic should follow the standard UK sequence of green, amber, red, red/amber.
The lights for pedestrians should only be red and green (i.e. ‘cross’ and ‘don’t cross’). Use the DE1
buttons, LEDs and seven segment displays in any appropriate way to demonstrate the system in
operation
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