Merge branch 'master' of git.jshaver.net:jshaver/rpi-experiments

main.py

@@ -3,28 +3,32 @@
 import RPi.GPIO as GPIO
 import time
 
-GPIO.setmode(GPIO.BCM)
 
-GPIO.setup(23, GPIO.IN, pull_up_down=GPIO.PUD_UP)
-GPIO.setup(24, GPIO.OUT)
-
-try:
-    lastState = GPIO.input(23)
-    if lastState == False:
+def buttonEventHandler(value):
+    print "buton event!"
+    if value is 0:
         GPIO.output(24, True)
-    while True:
-        button_state = GPIO.input(23)
-        if button_state == lastState:
-            print('No Change...')
-        else:
-            if button_state == False:
-                GPIO.output(24, True)
-                print('Button Pressed...')
-            else:
-                GPIO.output(24, False)
-                print('Button Released...')
-        lastState = button_state
-        time.sleep(0.02)
-except:
-    GPIO.cleanup()
+        print('Button Pressed...')
+    else:
+        GPIO.output(24, False)
+        print('Button Released...')
 
+def main():
+    print "Let's do this!"
+
+    GPIO.setmode(GPIO.BCM)
+
+    GPIO.setup(23, GPIO.IN, pull_up_down=GPIO.PUD_UP)
+    GPIO.setup(24, GPIO.OUT)
+    #GPIO.add_event_detect(23, GPIO.FALLING)
+    #GPIO.add_event_callback(23, buttonEventHandler)
+    try:
+        while True:
+            GPIO.wait_for_edge(23, GPIO.BOTH)
+            buttonEventHandler(GPIO.input(23))
+    except KeyboardInterrupt as e:
+        GPIO.cleanup()
+        raise
+
+if __name__== "__main__":
+  main()    

service/service.py

@@ -0,0 +1,82 @@
+#! /usr/bin/env python
+# -*- coding: utf-8 -*-
+
+from pulsectl import Pulse
+import SocketServer
+from threading import Thread
+
+LISTEN_ON = ("10.0.0.4", 2000)
+
+def main():
+    pulse = Pulse('mic-control')
+
+    sources = pulse.source_list()
+
+    sourceNumber = getSourceSelection(sources)
+    
+    server = SocketServer.TCPServer(LISTEN_ON, RequestHandler)
+
+    try:
+        server.serve_forever()
+    except KeyboardInterrupt:
+        server.shutdown()
+        server.server_close()
+
+
+def getSourceSelection(sources):
+    sourceCount = len(sources) - 1
+    error = False
+    while True:
+        message = error if error else "Please select a source: "
+        print(message)
+        for i, source in enumerate(sources):
+            print "%i: %s" % (i, source.description)  
+        selection = raw_input("Enter a number[0-%i]:" % sourceCount)
+        print("")
+        try :
+            return getInt(selection, sourceCount)
+        except InputError as e:
+            error = e.message
+
+def getInt(value, sourceCount):
+
+    number = 0
+    try:
+        number = int(value)
+    except ValueError as e:
+        raise InputError("Enter only a number...")
+
+    if number not in range(0, sourceCount):
+        raise InputError("Not a valid option...")
+
+    return number
+
+class RequestHandler(SocketServer.StreamRequestHandler):
+    def handle(self):
+
+        for line in self.rfile:
+            message = line.strip()
+            if message in messageTypes:
+                messageTypes[message]()
+            self.wfile.write(message)
+        print("Closed!")
+        self.request.close()
+
+
+def buttonPressed():
+    print("down!")
+
+def buttonReleased():
+    print("up!")
+
+messageTypes = {
+    'button_press': buttonPressed,
+    'button_release': buttonReleased,
+}
+
+class InputError(Exception):
+    def __init__(self, message):
+        self.message = message
+
+    
+main()