lcdToken.py

   1 import machine, time, random
   2 import groveLCD as lcd
   3
   4 global count
   5 count=0
   6
   7 def updateDisplay():
   8     lcd.setText_norefresh("Number of stamps\n       %d" %count)
   9
  10 lcd.setRGB(50,0,50)
  11 lcd.clearText()
  12 lcd.setText_norefresh("Hello Marcus!")
  13 time.sleep(2)
  14 updateDisplay()
  15
  16 btnP=machine.Pin(15,machine.Pin.IN,machine.Pin.PULL_UP)
  17 btnD=machine.Pin(16,machine.Pin.IN,machine.Pin.PULL_UP)
  18
  19 global btnP_pressed
  20 btnP_pressed=False
  21
  22 global btnD_pressed
  23 btnD_pressed=False
  24
  25 # button handlers (interrupts)
  26 def btn_reader(pin):
  27     btn=pin
  28     while True:
  29         if btnP.value()==0:
  30             btnP_pressed=True
  31             increment()
  32             time.sleep(0.5)
  33             btnP_pressed=False
  34         elif btnD.value()==0:
  35             btnD_pressed=True
  36             decrement()
  37             time.sleep(0.5)
  38             btnD_pressed=False
  39
  40 def increment():
  41     global count
  42     count+=1
  43     global r
  44     global g
  45     global b
  46     r=0
  47     g=0
  48     b=0
  49     def setR():
  50         global r
  51         r=random.randrange(50)
  52         return r
  53     def setG():
  54         global g
  55         g=random.randrange(50)
  56         return g
  57     def setB():
  58         b=random.randrange(50)
  59         return b
  60     if (count%10)==0:
  61         setR();setG();setB()
  62         lcd.setRGB(r,g,b)
  63         lcd.setText("Good Job Marcus!\n Pick a prize")
  64         time.sleep(3)
  65         lcd.setRGB(50,0,50)
  66     updateDisplay()
  67     return count
  68
  69 def decrement():
  70     global count
  71     count-=1
  72     updateDisplay()
  73     return count
  74
  75 btnP.irq(trigger=machine.Pin.IRQ_FALLING,handler=btn_reader(btnP))
  76 btnD.irq(trigger=machine.Pin.IRQ_FALLING,handler=btn_reader(btnD))
  77
  78 # TODO put special surprise if reach "full" board <66>