Improve hardware tests

client.py

@@ -12,7 +12,7 @@
 
 GPIO.setmode(GPIO.BOARD)
 
-INTERVAL = 3
+INTERVAL = 2
 HMAC_KEY = open(os.path.join(os.path.dirname(__file__),
                              ".hmac_key")).read().strip()
 
@@ -38,7 +38,7 @@ def has_changed_state(self):
 
 def call_server(url_params):
     data = json.dumps(url_params)
-    requests.post(os.getenv("ITTF_API_URL"), params={
+    requests.post(os.getenv("ITTF_SERVER_URL"), params={
         "data": data,
         "token": hmac.new(HMAC_KEY, data, hashlib.sha256).hexdigest()
     })
@@ -49,8 +49,7 @@ def call_server(url_params):
 
 for c, p in leds.iteritems():
     GPIO.setup(p, GPIO.OUT)
-
-GPIO.output(leds["b"], False)
+    GPIO.output(p, False)
 
 try:
     while True:

hardware_tests/leds.py

@@ -1,7 +1,7 @@
 #!/usr/env/bin python
 
 from RPi import GPIO
-import time
+from time import sleep
 
 GPIO.setmode(GPIO.BOARD)
 
@@ -11,17 +11,18 @@
     GPIO.setup(p, GPIO.OUT)
     GPIO.output(p, False)
 
+r, g, b = PINS
+
 try:
-    r, g, b = PINS
     while True:
         GPIO.output(b, False)
         GPIO.output(r, True)
-        time.sleep(1)
+        sleep(1)
         GPIO.output(r, False)
         GPIO.output(g, True)
-        time.sleep(1)
+        sleep(1)
         GPIO.output(g, False)
         GPIO.output(b, True)
-        time.sleep(1)
+        sleep(1)
 except KeyboardInterrupt:
     pass

hardware_tests/switches.py

@@ -1,15 +1,24 @@
 #!/usr/env/bin python
 
 from RPi import GPIO
+from time import sleep
 
 GPIO.setmode(GPIO.BOARD)
 
 PINS = (22, 24, 26)
 
+latest_states = {}
 for p in PINS:
     GPIO.setup(p, GPIO.IN)
+    latest_states[p] = GPIO.input(p)
 
-while True:
-    for p in PINS:
-        if GPIO.input(p):
-            print "%s on" % p
+try:
+    while True:
+        for p in PINS:
+            state = GPIO.input(p)
+            if state and state != latest_states[p]:
+                print "%s on" % p
+            latest_states[p] = state
+        sleep(0.5)
+except KeyboardInterrupt:
+    pass

start

@@ -6,4 +6,4 @@ if [ "$1" == "dev" ]; then
 fi
 
 echo $url
-sudo ITTF_API_URL=$url python client.py
+sudo ITTF_SERVER_URL=$url python client.py