本文整理汇总了Python中arduino.Arduino.register_listener方法的典型用法代码示例。如果您正苦于以下问题：Python Arduino.register_listener方法的具体用法？Python Arduino.register_listener怎么用？Python Arduino.register_listener使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类arduino.Arduino的用法示例。
在下文中一共展示了Arduino.register_listener方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: __init__
# 需要导入模块: from arduino import Arduino [as 别名]
# 或者: from arduino.Arduino import register_listener [as 别名]
class ArduinoController:
BAUD_RATE = 115200
def __init__(self):
self.parser = Parser()
self.arduino = Arduino(ArduinoController.BAUD_RATE)
self.arduino.register_listener(self)
self.msg_handlers = {
'log_format': self.parser.register_log_format,
'sensor_readings': self.notify_listeners
}
self.log_received_listeners = []
def register_listener(self, listener):
"""Register a listener to the log received event."""
# Make sure the listener has the on_log_received method defined.
m = getattr(listener, 'on_log_received', None)
if callable(m):
self.log_received_listeners.append(listener)
def on_msg_received(self, msg):
"""Attempt to parse & handle the received serial message."""
try:
parsed_msg = self.parser.parse_msg(msg)
handler = self.msg_handlers[parsed_msg['header']]
handler(parsed_msg['data'])
except KeyError:
raise BadSerialMessageError(
'Unknown command: {}'.format(parsed_msg['header']))
except BadSerialMessageError as e:
print 'Ignoring bad msg: {}'.format(e)
def start(self):
self.arduino.start() # For now simply delegate to the Arduino class.
def stop(self):
self.arduino.stop() # For now simply delegate to the Arduino class.
def notify_listeners(self, data):
"""Notify all listeners of the log received event."""
try:
readings = self.parser.parse_sensor_readings(data)
for listener in self.log_received_listeners:
listener.on_log_received(readings)
except BadSerialMessageError as e:
print "Ignoring bad log: {}".format(e)