added volumio-control.py

code/volumio-control.py

@@ -0,0 +1,65 @@
+#####
+# # enable ssh at http://volumio.local/dev 
+# 
+# # fix sources https://forums.raspberrypi.com/viewtopic.php?t=320294#p1918001
+# sudo apt-get update
+# 
+# sudo apt-get install python3-dev python3-rpi.gpio
+# sudo apt-get install python3-pip
+# pip3 install python-socketio==4.6.1    # https://community.volumio.com/t/cannot-connect-to-volumio-using-pythons-socketio-client/67479/2
+# # https://python-socketio.readthedocs.io/en/v4/client.html#creating-a-client-instance
+#####
+
+
+import RPi.GPIO as GPIO
+import socketio
+
+GPIO.setmode(GPIO.BOARD)
+
+sio = socketio.Client()
+sio.connect('http://localhost:3000')
+
+status = 'pause'
+
+def button_pressed(channel):
+  if channel == 11:
+    print('next')
+    sio.emit('next')
+  elif channel == 13:
+#    print('state', status)
+    if status == 'play':
+      print('pause')
+      sio.emit('pause')
+    else:
+      print('play')
+      sio.emit('play')
+  elif channel == 15:
+    print('prev')
+    sio.emit('prev')
+
+def setup_channel(channel):
+  try: 
+    print("register %d" %channel)
+    GPIO.setup(channel, GPIO.IN, GPIO.PUD_UP)
+    GPIO.add_event_detect(channel, GPIO.FALLING, callback = button_pressed, bouncetime = 400)
+    print('success')
+  except (ValueError, RuntimeError) as e:
+    print('ERROR:', e)
+
+for x in [11, 13, 15]:
+  setup_channel(x)
+
+
+@sio.on('pushState')
+def on_push_state(*args):
+  global status
+  status = args[0]['status']
+  print(status)
+
+# get initial state
+sio.emit('getState')
+
+try:
+  while True : pass
+except:
+  GPIO.cleanup()