gistfile1.txt

#!/usr/bin/env python 

import pygame
from pygame.locals import *
import serial, time, random, os, datetime

ser = None
last_transmit = None

pygame.init()
screen = pygame.display.set_mode((640, 480))
pygame.display.set_caption('Controller')
pygame.mouse.set_visible(0)

background = pygame.Surface(screen.get_size())
background = background.convert()
background.fill((150, 150, 150))

bulb = pygame.image.load("ktip.png")
bulb = bulb.convert_alpha()

antenna_off = pygame.image.load("irkickoff.png")
antenna_off = antenna_off.convert_alpha()
antenna_on = pygame.image.load("irkickflash.png")
antenna_on = antenna_on.convert_alpha()

def send(data):
    global ser, last_transmit
    last_transmit = datetime.datetime.now()
    if ser == None:
        ser = serial.Serial('/dev/tty.usbserial-A70064Mh', 9600)
    ser.write(data)

is_on = False

done = False
while not done:
    for event in pygame.event.get():
        if (event.type == KEYDOWN):
            # print event
            
            if (event.key == K_ESCAPE):
                done = True
            elif event.key in [K_SPACE, 66, 98, 13]:
                print 'Light On'
                is_on = True
                send('1')
        elif (event.type == KEYUP):
            is_on = False
            print 'Light OFF'
            send('0')
                
    screen.blit(background, (0,0))
    alpha = 255 if is_on else 10
    bulb.set_alpha(alpha)
    if is_on:
        mouseX, mouseY = pygame.mouse.get_pos()
        screen.blit(bulb, (mouseX - 24, mouseY - 24))
        
    transmit_diff = datetime.datetime.now() - last_transmit if last_transmit else None
    
    if transmit_diff and transmit_diff.seconds < .1:
        screen.blit(antenna_on, (100 - 24, 100 - 24))
    else:
        last_transmit = None
        screen.blit(antenna_off, (100 - 24, 100 - 24))
        
    pygame.display.flip()