From 938526d5217d16807e043ef063f46a649b7910e2 Mon Sep 17 00:00:00 2001 From: Fabio Manganiello Date: Tue, 4 Sep 2018 22:54:14 +0200 Subject: [PATCH] Added write action to the serial plugin --- platypush/plugins/serial/__init__.py | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/platypush/plugins/serial/__init__.py b/platypush/plugins/serial/__init__.py index 075b10e8..99976c00 100644 --- a/platypush/plugins/serial/__init__.py +++ b/platypush/plugins/serial/__init__.py @@ -117,6 +117,34 @@ class SerialPlugin(GpioSensorPlugin): return data + @action + def write(self, data): + """ + Writes data to the serial device. + + :param data: Data to send to the serial device + :type data: str, bytes or dict. If dict, it will be serialized as JSON. + """ + + if isinstance(data, dict): + data = json.dumps(data) + 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) + + self.logger.info('Writing {} to {}'.format(data, self.device)) + ser.write(data) + finally: + self.serial_lock.release() + # vim:sw=4:ts=4:et: