def wait_for_serial(self):
if self.scanTimer:
self.scanTimer.cancel()
self.scanTimer = None
self.scanCount = 0
self.scanTimer = add_timeout(self.scan_serial_device, 100, repeat = True)
def scan_serial_device(self):
self.scanCount = 0
print "Checking if serial device is ready"
ready = os.path.exists(SERIAL_RX_PREFIX + str(self.instanceId)) and os.path.exists(SERIAL_TX_PREFIX + str(self.instanceId))
if ready:
print "Serial device is ready"
if self.scanTimer:
self.scanTimer.cancel()
self.scanTimer = None
add_timeout(self.connected, 1)
return False
elif self.scanCount < 50:
self.scanCount += 1
return True
else:
print "Timed out waiting for device"
self.scanTimer.cancel()
self.scanTimer = None
add_timeout(self.disconnectFromPebble, 1)
return False
