bug fix

server.py

@@ -36,6 +36,7 @@ CSV_FOLDER = 'csv/new/'
 ALLOWED_EXTENSIONS = {'csv', 'png'}
 
 ticker = pexpect.spawn("sudo -E taskset -c 3 python3 stockTicker.py")
+ticker.sendline('*') # run by default 
 ticker.sendline('A') # run by default 
 
 
@@ -104,7 +105,7 @@ def index():
 
 
 
-@app.route("/start", methods = ['PUT', 'POST'])
+@app.route ("/start", methods = ['PUT', 'POST'])
 def start():
     global displaying_screensaver
     global ticker
@@ -149,6 +150,24 @@ def start():
     ticker.sendline('A')
     return index()
     
+@app.route("/stop")
+def stop():
+    print('stop')
+    global ticker
+    global displaying_screensaver
+    if not displaying_screensaver:
+        ticker.sendline('K')
+    else:
+        screensaver_p.close()
+        
+    
+    if displaying_screensaver:
+        screensaver_p.close()
+        api_caller = pexpect.spawn("sudo -E python3 api_caller.py")
+        ticker = pexpect.spawn("sudo -E taskset -c 3 python3 stockTicker.py")
+        displaying_screensaver = False
+    return index()
+    
 @app.route("/display_format", methods = ['PUT', 'POST', 'GET'])
 def display_format():
     global professional
@@ -208,7 +227,32 @@ def upload():
         
     return index()
   
-  
+@app.route("/brightness", methods=['PUT','POST'])
+def brightness():
+    global brightness
+    
+    data= request.data.decode('utf-8')
+    settings = json.loads(data)
+    print(settings)
+    brightness =settings['brightness']
+    print(str(int(brightness) - 1))
+    ticker.sendline(str(int(brightness) - 1))
+    
+    f = open('csv/settings.csv', 'r')
+    CSV = csv.reader(f)
+    next(CSV)
+    for line in CSV:
+        speed, _ = line 
+    f.close()
+    
+    f = open('csv/settings.csv', 'w+')
+    f.write('speed,brightness\n')
+    f.write(str(speed) + ',' + str(brightness))
+    f.close()
+    
+    global LastCommand
+    LastCommand = 'Change Brightness'
+    return index()
 
 @app.route("/screensaver", methods = ['PUT', 'POST'])
 def screensaver():
@@ -220,6 +264,9 @@ def screensaver():
     ticker.close()
     data = str(request.data)
     
+    if displaying_screensaver:
+        screensaver_p.close()
+    
     
     if "Pulsating Colors" in data:
         screensaver_p = pexpect.spawn("sudo -E python3 ./rpi-rgb-led-matrix/bindings/python/samples/pulsing-colors.py")
@@ -368,17 +415,7 @@ def save_message_settings(input_settings):
     
     json.dump(input_settings, open('csv/message_settings.json', 'w+'))
     
-@app.route("/stop")
-def stop():
-    print('stop')
-    ticker.sendline('K')
-    global displaying_screensaver
-    if displaying_screensaver:
-        screensaver.close()
-        api_caller = pexpect.spawn("sudo -E python3 api_caller.py")
-        ticker = pexpect.spawn("sudo -E taskset -c 3 python3 stockTicker.py")
-        displaying_screensaver = False
-    return index()
+
 
 @app.route("/shutdown")
 def shutdown():