Allows disconnecting and reconnecting serial

main.py

@@ -19,11 +19,23 @@ class SerialWriter(threading.Thread):
         pass
     
     def run(self):
-        ser = serial.Serial(config.Serial)
+        should_connect = True
+        ser = None
         while True:
-            ser.write(b"\01")
-            ser.write(self.data)
-            time.sleep(1/120)
+            try:
+                if should_connect:
+                    ser = serial.Serial(config.Serial)
+                    should_connect = False
+                with self.lock:
+                    ser.write(b"\01")
+                    ser.write(self.data)
+                time.sleep(1/120)
+            except:
+                if ser != None:
+                    ser.close()
+                    ser = None
+                should_connect = True
+                time.sleep(0.1)
 
 
 
@@ -51,7 +63,6 @@ class AppRunner(threading.Thread):
         self.app = subprocess.Popen(args, stdout=subprocess.PIPE)
 
     def run(self):
-        ser = serial.Serial("/dev/ttyACM0")
         while True:
             with self.lock:
                 if self.app == None or self.app.poll() != None:
@@ -62,9 +73,6 @@ class AppRunner(threading.Thread):
             d = self.app.stdout
             oshandle = d.fileno()
             data = os.read(oshandle, config.ScreenX*config.ScreenY*3)
-            # data = d.raw.read(config.ScreenX*config.ScreenY*3)
-            #ser.write(b"\01")
-            #ser.write(data)
             self.serial.setData(data)