from BrickPi import *
import curses, time
BrickPiSetup()
BrickPi.SensorType[PORT_4] = TYPE_SENSOR_EV3_TOUCH_0
BrickPiSetupSensors()
BrickPi.MotorEnable[PORT_D] = 1
stdscr = curses.initscr()   #initialize the curses object
curses.cbreak()         #to get special key characters
stdscr.keypad(1)        #for getting values such as KEY_UP
key = ''
while key!= ord('q'):
    key = stdscr.getch()    #get a character from terminal
    BrickPi.MotorSpeed[PORT_D] = 0  #first setting all speeds to zero
    stdscr.refresh()
    result = BrickPiUpdateValues()
    if not result:
		if key == curses.KEY_LEFT :
			BrickPiUpdateValues()
			button_value1 = BrickPi.Sensor[PORT_4]
			if button_value1 < 1020:
				BrickPi.MotorSpeed[PORT_D] = 255
			if button_value1 > 1020:
				BrickPi.MotorSpeed[PORT_D] = 0
		elif key == curses.KEY_RIGHT :
			BrickPi.MotorSpeed[PORT_D] = -255
			ot = time.time()
			while(time.time() - ot < (1.00)):
				BrickPiUpdateValues()       # Ask BrickPi to update values for sensors/motors
				time.sleep(.1)
		time.sleep(.01)