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js.py
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js.py
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import pygame
import time
#import pygame.mixer
import serial
serialFromArduino = serial.Serial("/dev/serial/by-id/usb-FTDI_FT232R_USB_UART_A1004cms-if00-port0", 115200)
#serialFromArduino = serial.Serial("/dev/ttyAMA0", 115200)
serialFromArduino.flush()
#VERY IMPORTANT THAT THESE NEXT TWO LINES OF MIXER INIT GO BEFORE PYGAME.INIT !!!!!!!
#OTHERWISE A VEXING DELAY OCCURS BEFORE MIXER COMMANDS ARE CARRIED OUT.
pygame.mixer.pre_init(48000, -16, 1, 1024) #was 1024
pygame.mixer.init()
#DON'T PUT PYGAME.INIT BEFORE MIXER.INIT!
pygame.init()
pygame.mixer.set_num_channels(14)
# Used to manage how fast the screen updates
clock = pygame.time.Clock()
# Initialize the joysticks
pygame.joystick.init()
blaster1 = pygame.mixer.Sound("/home/pi/space/blaster1.wav")
blaster2 = pygame.mixer.Sound("/home/pi/space/blaster2.wav")
blaster3 = pygame.mixer.Sound("/home/pi/space/blaster3.wav")
blaster4 = pygame.mixer.Sound("/home/pi/space/blaster4.wav")
alien1 = pygame.mixer.Sound("/home/pi/space/alien1.wav")
alien2 = pygame.mixer.Sound("/home/pi/space/alien2.wav")
alien3 = pygame.mixer.Sound("/home/pi/space/alien3.wav")
alien4 = pygame.mixer.Sound("/home/pi/space/alien4.wav")
ufo1 = pygame.mixer.Sound("/home/pi/space/ufo1.wav")
ufo2 = pygame.mixer.Sound("/home/pi/space/ufo2.wav")
sivb = pygame.mixer.Sound("/home/pi/space/sivb.wav")
mi = pygame.mixer.Sound("/home/pi/space/mi.wav")
mii = pygame.mixer.Sound("/home/pi/space/mii.wav")
loop = pygame.mixer.Sound("/home/pi/space/rocketloop.wav")
azeroC = pygame.mixer.Channel(1)
aoneC = pygame.mixer.Channel(2)
atwoC = pygame.mixer.Channel(3)
athreeC = pygame.mixer.Channel(4)
b1C = pygame.mixer.Channel(5)
b2C = pygame.mixer.Channel(6)
b3C = pygame.mixer.Channel(7)
b4C = pygame.mixer.Channel(8)
b5C = pygame.mixer.Channel(9)
b6C = pygame.mixer.Channel(10)
b7C = pygame.mixer.Channel(11)
b8C = pygame.mixer.Channel(12)
axeschannels = [azeroC, aoneC, atwoC, athreeC]
buttonchannels = [b1C, b2C, b3C, b4C, b5C, b6C, b7C, b8C]
axessounds = [mi, mi, mi, loop]
buttonsounds = [blaster1, blaster2, blaster3, blaster4, alien1, alien2, alien3, alien4, ufo1, ufo2]
buttonnumbers =[0,1,2,3,10,11,12,13,14]
axeszero = [0.0,0.0,0.0,0.0]
axesstate = [0.0,0.0,0.0,0.0]
mainValue = 0
topValue = 0
bottomValue = 0
leftValue = 0
rightValue = 0
axesvalue = [topValue,bottomValue,leftValue,rightValue]
lastCommand = ''
timeLastCommand = time.time()
# Get count of joysticks
joystick_count = pygame.joystick.get_count()
joystick = pygame.joystick.Joystick(0)
joystick.init()
axes = joystick.get_numaxes()
#for i in range(axes):
# axeschannels[i] = axessounds[i].play(-1)
#athreeC = loop.play(-1)
def zeroAxes():
axes = joystick.get_numaxes()
for i in range( axes ):
axis = joystick.get_axis( i )
#print("Axis {} value: {:>6.3f}".format(i, axis) )
axeszero[i] = axis
mainEngineOn = False
# -------- Main Program Loop -----------
while True:
# EVENT PROCESSING STEP
# pygame.event.pump()
for event in pygame.event.get(): # User did something
#if event.type == pygame.QUIT: # If user clicked close
#done=True # Flag that we are done so we exit this loop
# Possible joystick actions: JOYAXISMOTION JOYBALLMOTION JOYBUTTONDOWN JOYBUTTONUP JOYHATMOTION
if event.type == pygame.JOYBUTTONDOWN:
print("Joystick button pressed.")
if (joystick.get_button(9) == 1):
zeroAxes()
if (joystick.get_button(10) == 1):
subprocess.call(['mpg123 /home/pi/space/aborted.mp3'], shell=True)
subprocess.call(['shutdown -h now "System halted by joystick button"'], shell=True)
buttons = joystick.get_numbuttons()
for i in range( 8 ):
button = joystick.get_button( buttonnumbers[i] )
if (button == 1):
buttonchannels[i].play(buttonsounds[i])
#print("Button {:>2} value: {}".format(i,button) )
# if event.type == pygame.JOYBUTTONUP:
# print("Joystick button released.")
if event.type == pygame.JOYAXISMOTION:
for i in range( 3 ):
axis = joystick.get_axis( i )
if (0.06 < abs(axis - axeszero[i])):
if (axeschannels[i].get_busy() == False):
axeschannels[i].play(axessounds[i])
axeschannels[i].set_volume((abs(axis - axeszero[i]) * 2.5 ) + 0.0)
if i == 0:
if (axis > axeszero[i]):
topValue = 0
bottomValue = (abs(axis - axeszero[i]) * 24.2)
#bottomValue = 9
#print bottomValue
elif (axis < axeszero[i]):
topValue = (abs(axis - axeszero[i]) * 12.5)
#topValue = 9
bottomValue = 0
#print topValue
if i == 1:
if (axis > axeszero[i]):
leftValue = 0
rightValue = (abs(axis - axeszero[i]) * 26.1)
#print rightValue
elif (axis < axeszero[i]):
leftValue = (abs(axis - axeszero[i]) * 12.8378)
rightValue = 0
#print leftValue
else:
axeschannels[i].fadeout(50)
if i == 0:
topValue = 0
bottomValue = 0
if i == 1:
leftValue = 0
rightValue = 0
i=3
axis = joystick.get_axis( i )
#serialFromArduino.write(b'(abs(axis - axesstate[i]) * 9),0,0,0,0\n')
if (0.03 < abs(axis - axeszero[i])):
mainValue = (abs(axis - axeszero[i]) * 7)
# commandString = "{},{},{},{},{}\n".format(mainValue,0,0,0,0)
# serialFromArduino.write((commandString))
mainEngineOn = True
if (axeschannels[i].get_busy() == False):
axeschannels[i].play(axessounds[i])
axeschannels[i].set_volume((abs(axis - axeszero[i]) * 1 ) + 0.0)
#serialFromArduino.write(b'(9,0,0,0,0\n')
#serialFromArduino.write(b'(abs(axis - axesstate[i]) * 1),0,0,0,0\n')
else:
axeschannels[i].fadeout(50)
mainValue = 0
#if mainEngineOn is True:
# mainValue = 0
#serialFromArduino.write(b'0,0,0,0,0\n')
# mainEngineOn = False
axesstate[i] = axis
#mainValue = 9
# commandString = "9,9,9,9,9\n"
# serialFromArduino.write((commandString))
commandString = "{:1.0f},{:1.0f},{:1.0f},{:1.0f},{:1.0f}\n".format(mainValue,topValue,bottomValue,leftValue,rightValue)
#print commandString
if commandString != lastCommand:
print (time.time() - timeLastCommand)
if (0.05 < (time.time() - timeLastCommand)):
serialFromArduino.write((commandString))
timeLastCommand = time.time()
#time.sleep(0.05)
lastCommand = commandString
# Limit to 50 frames per second
clock.tick(30)
#time.sleep(1)
# Close the window and quit.
# If you forget this line, the program will 'hang'
# on exit if running from IDLE.
pygame.quit ()