def __init__(self):
# Amplifier States
self.muteState = False
self.powerState = False
self.selectState = 0 # 0 -> 3
# Volume 0->100
self.volume = 50
self.volumei2c = 0x20
# Tone
self.bass = 0
self.treble = 0
# Relay Resource
self.relay = None
# reset i2c ports
self.i = I2cInit()
# i2c PT2314 Resource
self.audio = PT2314()
# i2c Radio Resource
self.radio = Radio()
# mpd control Resource
self.mp3 = Mp3()
# Display Client Resource Threaded
self.display = Display.Worker(self)
self.display.start()
sleep(0.5)
class Controller():
def __init__(self):
# Amplifier States
self.muteState = False
self.powerState = False
self.selectState = 0 # 0 -> 3
# Volume 0->100
self.volume = 50
self.volumei2c = 0x20
# Tone
self.bass = 0
self.treble = 0
# Relay Resource
self.relay = None
# reset i2c ports
self.i = I2cInit()
# i2c PT2314 Resource
self.audio = PT2314()
# i2c Radio Resource
self.radio = Radio()
# mpd control Resource
self.mp3 = Mp3()
# Display Client Resource Threaded
self.display = Display.Worker(self)
self.display.start()
sleep(0.5)
# json formatted ok response
def ok(self, status = "ok"):
data = {"result" : True, "status" : status}
return json.dumps(data)
# Power On
#
def powerOn(self):
# if self.powerState == True:
# return self.ok("ok. Power already on.")
self.powerState = True
#self.audio.powerOn()
self.volumeSet(50)
#self.audio.setVolume(0x10)
self.audio.loudnessOn()
self.muteOff()
#self.audio.muteOff()
self.selectMedia()
#self.audio.selectChannel(0)
self.audio.setAttenuation(0,0)
self.audio.setBass(0)
self.audio.setTreble(0)
self.display.powerOn()
return self.getAll()
# Power Off
#
def powerOff(self):
self.powerState = False
self.audio.powerOff()
self.display.powerOff()
os.system("poweroff")
return self.ok("shutting down")
# Select Audio Input [ Media | MP3 ]
#
def selectMedia(self):
self.audio.selectChannel(0)
self.display.showMedia()
self.selectState = 0
return self.getAll()
def selectMp3(self):
self.audio.selectChannel(1)
self.display.setMp3(self.mp3.getStatus())
self.selectState = 1
return self.getAll()
def selectRadio(self):
self.audio.selectChannel(2) # route audio input
self.display.setRadio(self.radio.getStation())
self.selectState = 2
return self.getAll()
def selectAux(self):
self.audio.selectChannel(3) # route audio input
self.display.showAux()
self.selectState = 3
return self.getAll()
def selectToggle(self):
# toggle through states
self.selectState = self.selectState + 1
# upper limit
if self.selectState > 3:
self.selectState = 0
# switch states
if self.selectState == 0:
self.audio.selectChannel(0)
self.selectMedia()
elif self.selectState == 1:
self.audio.selectChannel(1)
self.selectMp3()
elif self.selectState == 2:
self.audio.selectChannel(2)
self.selectRadio()
elif self.selectState == 3:
self.audio.selectChannel(3)
self.selectAux()
return self.getAll()
def muteOn(self):
#self.relay.muteOn()
self.audio.muteOn()
self.display.muteOn()
self.muteState = True
return self.getAll()
def muteOff(self):
if self.muteState == False:
return self.ok("ok. Mute already off.")
#self.relay.muteOff()
self.audio.muteOff()
self.display.muteOff()
self.muteState = False
return self.getAll()
def muteToggle(self):
#print "mute toggle: currently: " + str(self.muteState)
if self.muteState == False:
self.muteOn()
else:
self.muteOff()
return self.getAll()
# Volume Methods
#
def volumeUp(self):
self.volume = self.volumeValidate(self.volume + 1)
self.audio.setVolume(self.volumei2c)
self.display.setVolume(self.volume)
return self.getAll()
def volumeDown(self):
self.volume = self.volumeValidate(self.volume - 1)
self.audio.setVolume(self.volumei2c)
self.display.setVolume(self.volume)
return self.getAll()
def volumeDelta(self, delta=0):
if delta == 0:
return self.ok("ok. no volume change")
delta = int(delta)
self.volume = int(self.volumeValidate(int(self.volume) + (delta / 2)))
self.audio.setVolume(self.volumei2c)
self.display.setVolume(self.volume)
return self.getAll()
def volumeSet(self, volume):
self.volume = self.volumeValidate(volume)
#print "controller:volume:" + str(self.volume)
self.audio.setVolume(self.volumei2c)
self.display.setVolume(self.volume)
return self.getAll()
def volumeValidate(self, vol):
#print "controller:volumeValidate:" + str(vol)
if vol == '':
vol = 0
vol = int(vol)
if vol<0:
vol=0
if vol>100:
vol=100
#print "controller:volumeValidate:post:" + str(vol)
# calculate audio i2c volume
self.volumei2c = int(0x3F - float((float(63)/float(100) * float(vol))))
return vol
# Tone Methods
#
def bassSet(self, bass):
self.bass = self.audio.setBass(bass)
self.display.setTone(self.bass, self.treble)
return self.getAll()
def trebleSet(self, treble):
self.treble = self.audio.setTreble(treble)
self.display.setTone(self.bass, self.treble)
return self.getAll()
def bassUp(self):
return self.bassSet(self.bass + 2)
def bassDown(self):
return self.bassSet(self.bass - 2)
def trebleUp(self):
return self.trebleSet(self.treble + 2)
def trebleDown(self):
return self.trebleSet(self.treble - 2)
# Radio Methods
#
def radioStationPrevious(self):
self.radio.prevStation()
self.display.setRadio(self.radio.getStation())
return self.getAll()
def radioStationNext(self):
self.radio.nextStation()
self.display.setRadio(self.radio.getStation())
return self.getAll()
def radioStationIndex(self, index):
self.radio.setStationIndex(index)
return self.getAll()
# Mp3 Methods
#
def mp3Previous(self):
self.mp3.previous()
self.display.setMp3(self.mp3.getStatus())
return self.getAll()
def mp3Next(self):
self.mp3.next()
self.display.setMp3(self.mp3.getStatus())
return self.getAll()
def mp3Pause(self):
self.mp3.pause()
self.display.setMp3(self.mp3.getStatus())
return self.getAll()
def mp3Stop(self):
self.mp3.stop()
self.display.setMp3(self.mp3.getStatus())
return self.getAll()
def mp3Play(self):
self.mp3.play()
self.display.setMp3(self.mp3.getStatus())
return self.getAll()
def mp3SeekForward(self):
self.mp3.seekForward()
self.display.setMp3(self.mp3.getStatus())
return self.getAll()
def mp3SeekBackward(self):
self.mp3.seekBackward()
self.display.setMp3(self.mp3.getStatus())
return self.getAll()
# Getters
#
def volumeGet(self):
return self.volume
def getStateString(self):
if self.selectState==0:
return 'media'
elif self.selectState==1:
return 'mp3'
elif self.selectState==2:
return 'radio'
elif self.selectState==3:
return 'aux'
def getAll(self):
data = {
'power' : self.powerState,
'state' : self.getStateString(),
'volume' : self.volume,
'mute' : self.muteState,
'select' : self.selectState,
'bass' : self.bass,
'treble' : self.treble,
'radio' : self.radio.getStation(),
'mp3' : self.mp3.getStatus()
}
return json.dumps(data)
