mirror of
https://github.com/ucloud/iotstack-driver-sdk-python.git
synced 2025-04-25 13:48:50 +08:00
89 lines
3.0 KiB
Python
89 lines
3.0 KiB
Python
import json
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import logging
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import time
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from iotedgedriverlinksdk import getLogger
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from iotedgedriverlinksdk.client import Config, SubDevice
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from iotedgedriverlinksdk.exception import BaseEdgeException
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# 配置log
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log = getLogger()
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log.setLevel(logging.DEBUG)
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# 主函数
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if __name__ == "__main__":
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try:
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# 获取驱动及子设备配置信息
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driverConfig = Config().getDriverInfo()
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log.info('driver config:{}'.format(driverConfig))
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# 从驱动配置获取设备数据上报周期
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uploadPeriod = 5
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if "period" in driverConfig.keys() and isinstance(driverConfig['period'], int):
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uploadPeriod = int(driverConfig['period'])
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deviceInfoList = Config().getDeviceInfos()
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log.info('device list config:{}'.format(deviceInfoList))
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except Exception as e:
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log.error('load driver config error: {}'.format(str(e)))
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exit(1)
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try:
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# 判断是否绑定子设备
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if len(deviceInfoList) < 1:
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log.error(
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'subdevice null, please bind sub device for driver')
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while True:
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time.sleep(60)
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# 取其中一个子设备
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subDeviceInfo = deviceInfoList[0]
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# 获取子设备的ProductSN ，key值为 ‘productSN’
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productSN = subDeviceInfo['productSN']
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# 获取子设备的DeviceSN ，key值为 ‘deviceSN’
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deviceSN = subDeviceInfo['deviceSN']
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def callback(topic: str, payload: b''):
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log.info("recv message from {} : {}".format(topic, str(payload)))
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# 初始化一个子设备对象
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subDevice = SubDevice(product_sn=productSN,
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device_sn=deviceSN, on_msg_callback=callback)
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# 子设备上线
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subDevice.login()
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# 获取当前子设备的配置
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deviceConfig = subDeviceInfo['config']
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log.info('sub device config:{}'.format(deviceConfig))
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# 从子设备配置获取子设备上报topic定义
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topic = "/{}/{}/upload".format(productSN, deviceSN) # 此处为默认topic
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if 'topic' in deviceConfig and isinstance(deviceConfig['topic'], str):
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topic = deviceConfig['topic'].format(productSN, deviceSN)
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# 从子设备配置获取子设备上报参数名称
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param = 'RelayStatus' # 此处定义默认属性名称： RelayStatus
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if 'paramName' in deviceConfig and isinstance(deviceConfig['paramName'], str):
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param = deviceConfig['paramName']
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i = 0
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while True:
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relayStatus = ("on", "off")[i % 2 == 0]
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payload = {
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"timestamp": time.time(),
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param: relayStatus
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}
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byts = json.dumps(payload).encode('utf-8')
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subDevice.publish(topic, byts)
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log.info("upload {} : {}".format(topic, str(byts)))
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time.sleep(uploadPeriod)
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i = i+1
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except BaseEdgeException:
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log.error('Edge Exception: {}'.format(str(e)))
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except Exception as e:
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log.error('Exception error: {}'.format(str(e)))
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