Update piplayer4.py

code/piplayer4.py

@@ -1,5 +1,5 @@
-# piplayer3 - AudioLauncher
-# http://www.tilman.de/piplayer3
+# piplayer4 - AudioLauncher
+# http://www.tilman.de/piplayer4
 
 import RPi.GPIO as GPIO
 import logging
@@ -12,7 +12,7 @@ from socketIO_client import SocketIO, LoggingNamespace # https://gist.github.com
 
 
 logging.basicConfig(level=logging.INFO, format='%(asctime)s %(levelname)s - %(message)s')
-logging.info('Initializing')
+logging.info('Initializing TEST')
 
 # Configuration
 MUSIC_BASE_DIRECTORY = "mnt/NAS/"
@@ -23,11 +23,8 @@ SOUND_PLAYBACK_ERROR = "~/sounds/error.mp3"
 QR_SCANNER_TIMEOUT = 3
 
 
-pending_play = False
-is_paused = True
-
 # photo sensor on PIN 17
-PIN_SENSOR = 17
+PIN_SENSOR = 4 # TEST
 
 # IR LED on PIN 22
 PIN_IR_LED = 22
@@ -40,11 +37,9 @@ PIN_PREV = 9
 PIN_PLAY = 10
 PIN_NEXT = 11
 
-socketIO = SocketIO('127.0.0.1', 3000)
-
 
 GPIO.setmode(GPIO.BCM)
-GPIO.setup(PIN_SENSOR, GPIO.IN)
+GPIO.setup(PIN_SENSOR, GPIO.IN, pull_up_down=GPIO.PUD_UP) # TEST
 GPIO.setup(PIN_IR_LED, GPIO.OUT)
 GPIO.output(PIN_IR_LED, GPIO.LOW)
 GPIO.setup(PIN_LED, GPIO.OUT)
@@ -54,6 +49,11 @@ GPIO.setup(PIN_PLAY, GPIO.IN, pull_up_down=GPIO.PUD_UP)
 GPIO.setup(PIN_NEXT, GPIO.IN, pull_up_down=GPIO.PUD_UP)
 
 
+pending_play = False # to determine whether we should send a play command when we receive a pushQueue event
+is_paused = True # for toggling play/pause
+
+socketIO = SocketIO('127.0.0.1', 3000)
+
 
 def play_sound(filename):
     socketIO.emit('clearQueue')
@@ -99,14 +99,14 @@ GPIO.add_event_detect(PIN_NEXT, GPIO.FALLING, callback=next_callback, bouncetime
 try:
     # play_sound(SOUND_OK)
 
-    socketIO.on('pushQueue', on_pushQueue)
+    #socketIO.on('pushQueue', on_pushQueue)
     
     while True:
         logging.info('Wait for photo sensor')
-        GPIO.wait_for_edge(PIN_SENSOR, GPIO.RISING)
+        GPIO.wait_for_edge(PIN_SENSOR, GPIO.FALLING) # TEST
         
         logging.info('Photo sensor active, activating light and camera')
-        play_sound(SOUND_SCANNING)
+        #play_sound(SOUND_SCANNING)
         
         # turn LED on
         GPIO.output(PIN_LED, GPIO.HIGH)
@@ -126,8 +126,8 @@ try:
         if (poll_result):
             
             # play confirmation sound
-            play_sound(SOUND_OK)
-            socketIO.emit('removeFromQueue', 0)
+            #play_sound(SOUND_OK)
+            #socketIO.emit('removeFromQueue', 0)
             
             qr_code = zbarcam.stdout.readline().rstrip()
             qr_code = qr_code.decode("utf-8") # python3
@@ -135,7 +135,7 @@ try:
             
             pending_play = True
             
-            if (not (qr_code.startswith("http://")):
+            if (not qr_code.startswith("http://")):
                 # create full path
                 if (qr_code.startswith("/")):
                     qr_code = qr_code[1:]
@@ -144,6 +144,8 @@ try:
             else:
                 socketIO.emit('addToQueue', {'service':'webradio','uri':qr_code})
             
+            socketIO.emit('play')
+            
         else:
             logging.warning('Timeout on zbarcam')
             play_sound(SOUND_SCAN_FAIL)