writing stub functions

[qyc206]

Functionality of Eui

• [x] detectEdge - edge detection
• [ ] getAttention - get user's attention
• [x] movesInCircles - moves around in circles
• [ ] timeUser - keeps track of user work time (using pomodoro technique)
• [ ] muteEui - mute such that piezo speaker won't make sounds

Sub-Functions

• [x] readDist - read a distance function
• [x] turnOnLED - turns LEDs on (uses sendByte) -- spi input (specify 3 shift registers)
• [x] turnOffLED - turns all LEDs off
• [x] changeLEDColor - takes in RGB levels and changes LED color
• [x] sendByte - send to shift register
• [x] makeSound - piezo speaker makes a sound
• [x] makeMelody - piezo speaker plays a tone
• [x] motorTest - turns on motors
• [x] rightTurn - robot making right turn
• [x] leftTurn - robot making left turn
• [x] registerTap - gets a signal from linear softpot
• [x] buttonPressed - read button signals
• [x] displayOn
• [x] displayOff
• [x] displayImage
• [x] displayText