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control.py
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control.py
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#!/usr/bin/python
import sys
import netifaces
from mpd import MPDClient
import thread
import inspect
import time
from piDisplay import piDisplay
from piDisplayLine import piDisplayLine
from subprocess import call
import traceback
import Adafruit_CharLCD as LCD
SPECIAL_PLAYERSTATE = 5
SPECIAL_PL_MODE = 1
SPECIAL_MPD_STATE = 2
SPECIAL_MENU = 3
SPECIAL_WIFI = 4
SPECIAL_INTERNET = 0
CHAR_STOP = "\x01"
CHAR_SMILY = "\x02"
CHAR_PAUSE = "\x04"
CHAR_PL = "\x05"
CHAR_WAIT = "\x06"
CHAR_PLAY = "\x07"
CHAR_WIFI = "\x03"
CHAR_INTERNET = "W"
class control:
theend = 0
currentPlayList = 0
def shutdown(self):
self.theend = 1
self.line1.setline("Goodbye")
self.line2.setline("")
self.displayThread.setcolour(1, 0, 0)
time.sleep(2)
self.displayThread.off()
def doSomething(self):
self.line1.setlinePeriod("A long line to scroll", 30)
def pishutdown(self):
# #confirm?
self.shutdown()
call(["poweroff"])
def doBig(self):
self.line1.setlinePeriod("BIG SELECT", 100)
def turnBacklightOff(self):
self.displayThread.turnOff()
def turnBacklightOn(self):
self.displayThread.turnOn()
def mpdCheck(self):
self.mpdClient = self.mpdCheckVar(self.mpdClient)
def mpdCheckVar(self, mpdClient):
while(True):
try:
if(mpdClient):
mpdClient.ping()
return mpdClient
else:
mpdClient = MPDClient()
self.line2.setSpecial(SPECIAL_MPD_STATE, CHAR_WAIT)
mpdClient.connect("localhost", 6600)
self.line2.rmSpecial(SPECIAL_MPD_STATE)
except:
self.line2.setSpecial(SPECIAL_MPD_STATE, CHAR_WAIT)
tb = traceback.format_exc()
print "MPD client failed ping,", tb
time.sleep(1)
try:
if(mpdClient):
mpdClient.kill()
except:
pass
mpdClient = None
def music(self):
self.menuitem = 0
self.mpdCheck()
self.line2.setline("")
self.line2.setSpecial(SPECIAL_MENU, CHAR_SMILY)
self.showSong()
self.playListLoaded = self.mpdClient.playlistinfo()
def musicRight(self):
self.mpdCheck()
self.line2.setSpecial(SPECIAL_MPD_STATE, CHAR_WAIT)
self.mpdClient.next()
self.line2.rmSpecial(SPECIAL_MPD_STATE)
def musicLeft(self):
self.mpdCheck()
self.line2.setSpecial(SPECIAL_MPD_STATE, CHAR_WAIT)
self.mpdClient.previous()
self.line2.rmSpecial(SPECIAL_MPD_STATE)
def musicUp(self):
self.musicMove(-1)
def musicDown(self):
self.musicMove(1)
def musicMove(self, direction):
self.mpdCheck()
if(self.playlistwait > 0):
# play list displayed currently
self.playlistpos += direction
if(self.playlistpos >= len(self.playListLoaded)):
self.playlistpos = 0
if(self.playlistpos == -1):
self.playlistpos = len(self.playListLoaded) - 1
if not self.playListLoaded:
self.line2.setline("Empty playlist")
else:
plItem = self.playListLoaded[self.playlistpos]
self.line2.clearq()
self.line2.setlinePeriod(plItem['title'] + "," +
plItem['artist'], 80)
self.playlistwait = 60
def musicSelect(self):
self.mpdCheck()
self.line2.setSpecial(SPECIAL_MPD_STATE, CHAR_WAIT)
if self.playlistwait > 0:
plItem = self.playListLoaded[self.playlistpos]
print "item:", plItem
self.mpdClient.playid(plItem['id'])
else:
status = self.mpdClient.status()
if status['state'] == "play":
self.mpdClient.pause()
else:
self.mpdClient.play()
self.line2.rmSpecial(SPECIAL_MPD_STATE)
def musicplaylistRight(self):
self.playlistloadpos += 1
self.musicplaylist()
def musicplaylistLeft(self):
self.playlistloadpos -= 1
self.musicplaylist()
def musicplaylistDown(self):
self.mpdCheck()
pli = self.mpdClient.lsinfo(self.playlistloadsub)
plItem = pli[self.playlistloadpos]
self.line2.clearq()
if 'playlist' in plItem:
self.musicplaylistSelect()
elif 'directory' in plItem:
self.playlistloadsub = plItem['directory']
self.musicplaylist()
def musicplaylistSelect(self):
self.mpdCheck()
self.line2.clearq()
self.line2.setline("Loading playlist")
pli = self.mpdClient.lsinfo(self.playlistloadsub)
plItem = pli[self.playlistloadpos]
self.line2.setSpecial(SPECIAL_MPD_STATE, CHAR_WAIT)
if 'playlist' in plItem:
self.mpdClient.clear()
self.mpdClient.load(plItem['playlist'])
self.mpdClient.play()
self.music()
self.playlistLoaded(plItem['playlist'])
elif 'directory' in plItem:
self.mpdClient.clear()
self.mpdClient.add(plItem['directory'])
self.mpdClient.play()
self.music()
self.line2.rmSpecial(SPECIAL_MPD_STATE)
self.line2.setline("")
def musicplaylist(self):
# Enter the Playlist submenu
self.line2.setSpecial(SPECIAL_MENU, CHAR_PL)
self.mpdCheck()
pl = self.mpdClient.listplaylists()
print "playlists", pl
pli = self.mpdClient.lsinfo(self.playlistloadsub)
print "lsinfo", pli
print "plloadpos=",self.playlistloadpos
print "plloadsub=",self.playlistloadsub
if(self.playlistloadpos > len(pli) - 1):
self.playlistloadpos = 0
if(self.playlistloadpos == -1):
self.playlistloadpos = len(pli) - 1
if not pli:
self.line2.setline("No music found")
else:
plItem = pli[self.playlistloadpos]
print "plItem=",plItem
self.line2.clearq()
if 'playlist' in plItem:
self.line2.setline(plItem['playlist'])
elif 'directory' in plItem:
self.line2.setline(plItem['directory'])
def showSong(self):
self.mpdCheck()
song = self.mpdClient.currentsong()
print "song:", song
if('title' in song and type(song['title']) is str):
self.line1.clearq()
self.line1.setline(song['title'])
# self.line1.setlinePeriod("T:" + song['title'], 20);
# self.line1.setlinePeriod("A:" + song['artist'], 20);
# self.line1.setlinePeriod("Al:" + song['album'], 20);
def playlistLoaded(self, listloaded):
print "ListLoaded:", listloaded
if listloaded != self.playlistloaded:
self.playlistloaded = listloaded
f = open('/data/bongopi/playlistloaded', 'w')
f.write(listloaded)
f.close()
def mpdWatcherThread(self):
mpd = None
states = ["player"]
while True:
try:
mpd = self.mpdCheckVar(mpd)
for state in states:
if state == "player":
mpdClientStatus = mpd.status()
if 'state' in mpdClientStatus:
playerState = mpdClientStatus['state']
print "Playerstatus=" + playerState
if playerState == "play":
self.line1.setSpecial(SPECIAL_PLAYERSTATE,
CHAR_PLAY)
self.showSong()
elif playerState == "stop":
self.line1.setSpecial(SPECIAL_PLAYERSTATE,
CHAR_STOP)
elif playerState == "pause":
self.line1.setSpecial(SPECIAL_PLAYERSTATE,
CHAR_PAUSE)
else:
self.line1.setline(playerState)
elif state == "playlist":
playlistState = mpdClientStatus['playlist']
print "PL state:", playlistState
else:
print "State from MPD:", state
states = mpd.idle()
except:
tb = traceback.format_exc()
print "EXCEPTION::::Error in mpd watcher thread", tb
if(mpd):
try:
mpd.close()
except:
pass
mpd = None
def buttonPressed(self, button, downTime):
if downTime > self.longpress:
button += 5
if len(self.menus[self.menuitem]) < button:
print "Button not defined"
elif isinstance(self.menus[self.menuitem][button + 1], int):
nmenuitem = self.menus[self.menuitem][button + 1]
self.menuitem = nmenuitem
if inspect.ismethod(self.menus[self.menuitem][0]):
self.menus[self.menuitem][0]()
else:
self.line1.setline(self.menus[self.menuitem][0])
elif inspect.ismethod(self.menus[self.menuitem][button + 1]):
self.menus[self.menuitem][button + 1]()
# Make list of button value, text, and backlight color.
buttons = (LCD.SELECT, LCD.LEFT, LCD.UP, LCD.DOWN, LCD.RIGHT)
def randomChange(self):
if self.randommode == 0:
self.randommode = 1
self.line2.setlinePeriod("Enabled random", 10)
else:
self.randommode = 0
self.line2.setlinePeriod("Disabled Random", 10)
self.mpdClient.random(self.randommode)
def readButtons(self, lcd):
states = []
for button in self.buttons:
if(lcd.is_pressed(button)):
states.append(button)
return states
def process(self):
colourChange = 0
lcd = self.displayThread.lcd
bigTimeout = 0
ifaceCheck = 0
exceptcount = 0
self.music()
while True:
try:
if(self.theend):
return
buttonStates = self.readButtons(lcd)
# #Self restart with select+right pushed
if len(buttonStates) == 2 \
and LCD.SELECT in buttonStates \
and LCD.RIGHT in buttonStates:
print "Select + Right"
buttonStates = self.readButtons(lcd)
while len(buttonStates) == 2 \
and LCD.SELECT in buttonStates \
and LCD.RIGHT in buttonStates:
time.sleep(.1)
buttonStates = self.readButtons(lcd)
call(["service", "bongopi", "restart"])
if len(buttonStates) == 2 \
and LCD.UP in buttonStates \
and LCD.DOWN in buttonStates:
print "Up and Down"
buttonStates = self.readButtons(lcd)
while len(buttonStates) == 2 \
and LCD.UP in buttonStates \
and LCD.DOWN in buttonStates:
time.sleep(.1)
buttonStates = self.readButtons(lcd)
self.displayThread.force()
if len(buttonStates) == 3 \
and LCD.SELECT in buttonStates \
and LCD.UP in buttonStates \
and LCD.DOWN in buttonStates:
print "Select + Up + Down"
buttonStates = self.readButtons(lcd)
while len(buttonStates) == 3 \
and LCD.SELECT in buttonStates \
and LCD.UP in buttonStates \
and LCD.DOWN in buttonStates:
time.sleep(.1)
buttonStates = self.readButtons(lcd)
self.pishutdown()
for button in self.buttons:
if len(buttonStates) == 1 and button in buttonStates:
buttonDownTime = 0
buttonStates = self.readButtons(lcd)
while len(buttonStates) == 1 \
and button in buttonStates:
buttonDownTime += 1
time.sleep(.1)
buttonStates = self.readButtons(lcd)
if(buttonDownTime > self.longpress
and colourChange == 0):
self.displayThread.setcolour(0, 0, 1)
colourChange = 1
if(buttonDownTime > self.longerpress
and colourChange == 1):
self.displayThread.setcolour(0, 1, 1)
colourChange = 2
if(colourChange):
self.displayThread.setcolour(0, 1, 0)
colourChange = 0
if self.displayThread.displayIsOff():
# wake up
self.displayThread.turnOn()
else:
self.buttonPressed(button, buttonDownTime)
bigTimeout = 500
if(self.playlistwait > 0):
self.playlistwait -= 1
if(self.playlistwait == 0):
print "playlistwait end"
self.line2.clearq()
if(bigTimeout > 0):
bigTimeout -= 1
if(bigTimeout == 0):
print "BigTimeout clear"
self.music()
ifaceCheck -= 1
if(ifaceCheck <= 0):
ifaceCheck = 1000
# Check the status of wlan0
wlan0 = netifaces.ifaddresses('wlan0')
if(wlan0 and netifaces.AF_INET in wlan0
and wlan0[netifaces.AF_INET]
and 'addr' in wlan0[netifaces.AF_INET][0]):
self.line2.setSpecial(SPECIAL_WIFI, CHAR_WIFI)
else:
self.line2.rmSpecial(SPECIAL_WIFI)
eth0 = netifaces.ifaddresses('eth0')
if(eth0 and netifaces.AF_INET in eth0
and eth0[netifaces.AF_INET]
and 'addr' in eth0[netifaces.AF_INET][0]):
self.line2.setSpecial(SPECIAL_INTERNET,
CHAR_INTERNET)
else:
self.line2.rmSpecial(SPECIAL_INTERNET)
ifaceCheck = 100
time.sleep(.1)
exceptcount = 0
except:
tb = traceback.format_exc()
print "BONGOPI EXCEPTION::Error in main thread", tb
exceptcount += 1
if(exceptcount > 10):
print "TOO MANY EXCEPTION..exit"
lcd = LCD.Adafruit_CharLCDPlate()
lcd.set_color(1, 0, 0)
lcd.message("Too many exceptions\nExit")
time.sleep(10)
lcd.clear()
lcd.set_color(0, 0, 0)
sys.exit(1)
# #INIT
def __init__(self):
self.line1 = piDisplayLine(1)
self.line2 = piDisplayLine(2)
self.line1.setline("Bongo PI")
self.line2.setline("Starting up")
self.displayThread = piDisplay(self.line1, self.line2)
self.displayThread.start()
self.mpdCheckcount=0
self.menuitem = 0
self.playlistpos = 0
self.playlistwait = 0
self.playlistloadpos = 0
self.playlistloadsub = ""
self.playlistloaded = ""
self.randommode = 0
self.musicstatus = "normal"
self.mpdClient = None
self.longpress = 15
self.longerpress = 30
# Menu name, SELECT, RIGHT, DOWN,UP,LEFT
self.menus = (
(self.music,
self.musicSelect,
self.musicRight,
self.musicDown,
self.musicUp,
self.musicLeft,
1), # LongSelect
(self.musicplaylist, # Playlist Submenu
self.musicplaylistSelect,
self.musicplaylistRight,
self.musicplaylistDown,
0,
self.musicplaylistLeft,
2), # 1
('Control',
'',
'',
3,
0,
'',
''), # 2
('Random',
'',
self.randomChange,
4,
2,
self.randomChange,
''), # 3
)
self.displayThread.setTimeout(9000)
self.mpdCheck()
if self.mpdClient.playlist() is None \
or len(self.mpdClient.playlist()) == 0:
print "No current playlist"
try:
f = open("/data/bongopi/playlistloaded")
playlist = f.read()
if playlist is not None:
self.playlistloaded = playlist
self.line2.setline("Loading:" + playlist)
self.mpdClient.load(playlist)
except:
print "Error loading playlist previous info"
self.mpdClient.random(1)
self.displayThread.setTimeout(100)
self.line2.setline("")
thread.start_new_thread(self.mpdWatcherThread, ())