callback test buttons

code/test/buttons-callback.py

@@ -0,0 +1,42 @@
+import RPi.GPIO as GPIO
+import time
+from threading import Thread
+
+# Buttons on PINs 9, 10 and 11
+PIN_PREV = 10
+PIN_PLAY = 9
+PIN_NEXT = 11
+
+GPIO.setmode(GPIO.BCM)
+GPIO.setup(PIN_PREV, GPIO.IN, pull_up_down=GPIO.PUD_UP)
+GPIO.setup(PIN_PLAY, GPIO.IN, pull_up_down=GPIO.PUD_UP)
+GPIO.setup(PIN_NEXT, GPIO.IN, pull_up_down=GPIO.PUD_UP)
+
+
+
+def prev_callback(channel):
+    print('Button 1 (PREV)')
+     
+def play_callback(channel):
+    print('Button 2 (PLAY/PAUSE)')
+
+def next_callback(channel):
+    print('Button 3 (NEXT)')
+
+
+GPIO.add_event_detect(PIN_PREV, GPIO.RISING, callback=prev_callback, bouncetime=200)
+GPIO.add_event_detect(PIN_PLAY, GPIO.RISING, callback=play_callback, bouncetime=200)
+GPIO.add_event_detect(PIN_NEXT, GPIO.RISING, callback=next_callback, bouncetime=200)
+
+try:
+
+    while True:
+        time.sleep(0.01)
+
+        
+# Exit when Ctrl-C is pressed
+except KeyboardInterrupt:
+    print('Shutdown')
+finally:
+    GPIO.cleanup()
+