diff options
Diffstat (limited to 'Python code/serialrgb.py')
| -rw-r--r-- | Python code/serialrgb.py | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/Python code/serialrgb.py b/Python code/serialrgb.py index 7296e22..8d7c6d8 100644 --- a/Python code/serialrgb.py +++ b/Python code/serialrgb.py @@ -1,7 +1,15 @@ #!/usr/bin/env python # -*- coding: utf-8 -*- -import serial +import serial, time + +class SyncError(Exception): + """Synchronisation error""" + def __init__(self, msg=""): + self._msg = str(msg) + + def __str__(self): + return msg class SerialRGB(object): """Easy controlling of the RGB-LED / Arduino""" @@ -16,6 +24,12 @@ class SerialRGB(object): self.ser = serial.Serial(addr, baud) except: raise IOError("Could not connect to Arduino via serial port.") + # Sync... + while self.ser.inWaiting() < 1: + self.ser.write("\x00") + time.sleep(.01) + if self.ser.read(1) != "1": + raise SyncError def __del__(self): self.close_connection() @@ -28,6 +42,8 @@ class SerialRGB(object): """ r, g, b = color self.ser.write(chr(r) + chr(g) + chr(b)) + if self.ser.read(1) != "1": + raise SyncError def close_connection(self): """Closes the connection to the Arduino.""" |