demo.tracker-v2/code/sensor.py
2022-03-24 16:01:12 +08:00

62 lines
2.0 KiB
Python

# Copyright (c) Quectel Wireless Solution, Co., Ltd.All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import _thread
from queue import Queue
from usr.common import Singleton
from usr.logging import getLogger
log = getLogger(__name__)
def sensor_process(args):
self = args
while True:
sensor_read = self.sensor_queue.get()
if sensor_read:
sensor_data = {}
sensor_data['temperature'] = self.temperature()
sensor_data['light'] = self.light()
sensor_data['driving_behavior_code'] = self.driving_behavior()
if self.sensor_read_cb:
self.sensor_read_cb(**sensor_data)
else:
log.warn('Sensor read callback is not defined.')
class Sensor(Singleton):
def __init__(self, sensor_read_cb=None):
self.sensor_read_cb = sensor_read_cb
self.sensor_queue = Queue(maxsize=64)
_thread.start_new_thread(sensor_process, (self,))
def temperature(self):
# TODO: Get temperature value
temperature_values = None
return temperature_values
def light(self):
# TODO: Get temperature value
light_values = None
return light_values
def driving_behavior(self):
# TODO: Get driving behavior code
driving_behavior_code = None
return driving_behavior_code
def post_data(self, sensor_type, sensor_value):
self.sensor_queue.put(True)