def buttonPressed(button):
global linePos, colPos, menu
if button == LCD.UP:
if linePos > 0:
linePos -= 1
scrollLines()
else:
showDone()
elif button == LCD.DOWN:
if linePos < len(menu[colPos]) - 1:
linePos += 1
scrollLines()
else:
showDone()
elif button == LCD.LEFT:
if colPos > 0:
colPos -= 1
linePos = 0
scrollLines()
else:
showDone()
elif button == LCD.RIGHT:
menu = lcdHelper.buildMenu()
if colPos < len(menu) - 1:
colPos += 1
linePos = 0
scrollLines()
else:
showDone()
elif button == LCD.SELECT:
executeAction(menu[colPos][linePos][2])
return False
lcd.set_cursor(0, 1)
lcd.message(">> TIME UP ")
lastButtonTime = nowTime
showError(1)
return False
############### START HERE ###############
# the LCD object
lcd = LCD.Adafruit_CharLCDPlate()
# these are our position in the menu array
menu = lcdHelper.buildMenu()
linePos = 0
colPos = 0
screenOn = False
# the last button pnd time it was pressed - for debouncing
lastButton = -1
lastButtonTime = time.time()
# last time the bottom line was refreshed
lastUpdateTime = time.time()
# listen for SIGINT
signal.signal(signal.SIGINT, signal_handler)
go = True # this will be set to alse if we receive a sig
