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serial.write should have a blocking wait if the serial port is busy

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This commit is contained in:
Fabio Manganiello 2018-09-05 01:59:55 +02:00
parent 938526d521
commit 0537d1fcac
1 changed files with 8 additions and 12 deletions
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20
platypush/plugins/serial/__init__.py
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@ -131,19 +131,15 @@ class SerialPlugin(GpioSensorPlugin):
if isinstance(data, str):
data = data.encode('utf-8')
try:
serial_available = self.serial_lock.acquire(timeout=2)
if serial_available:
try:
ser = self._get_serial()
except:
time.sleep(1)
ser = self._get_serial(reset=True)
with self.serial_lock:
try:
ser = self._get_serial()
except:
time.sleep(1)
ser = self._get_serial(reset=True)
self.logger.info('Writing {} to {}'.format(data, self.device))
ser.write(data)
finally:
self.serial_lock.release()
self.logger.info('Writing {} to {}'.format(data, self.device))
ser.write(data)
# vim:sw=4:ts=4:et: