def on_props(request):
from driver import GPIO
import ujson
ON = 0
OFF = 1
#服务端返回的json 转换成dict
payload = ujson.loads(request)
#获取dict 中的led 状态字段
stat = payload["LEDSwitch"]
gpio = GPIO()
# open 函数支持的参数列表如下：
# led1;led2;led3;led4;led5
gpio.open('led1')
if stat == 1:
gpio.write(ON)
else:
gpio.write(OFF)
utime.sleep_ms(200)
gpio.close()
uploadData = {'params': data}
# 上传燃气传感器检测电压信息和报警信息到物联网平台
device.postProps(uploadData)
# 每2秒钟上报一次
utime.sleep(2)
if __name__ == '__main__':
# 硬件初始化
# 初始化 ADC
adcObj = ADC() # ADC通道对象
adcObj.open("mq2") # 按照board.json中名为"mq2"节点的配置初始化ADC设备对象
mq2Dev = mq2.MQ2(adcObj) # 初始化MQ2设备对象
# 初始化LED所连接GPIO
alarmLed = GPIO()
alarmLed.open('led') # 加湿器使用board.json中led_r节点定义的GPIO，对应LED灯
led_control(alarmOn) # 关闭报警灯
# 请替换物联网平台申请到的产品和设备信息,可以参考文章:https://blog.csdn.net/HaaSTech/article/details/114360517
# global productKey, deviceName, deviceSecret ,on_request, on_play
get_wifi_status()
connect_lk(productKey, deviceName, deviceSecret)
upload_gas_detector_state()
adcObj.close()
alarmLed.close()
# 上传火焰传感器检测电压信息和报警信息到物联网平台
device.postProps(upload_data)
# 每2秒钟上报一次
utime.sleep(2)
if __name__ == '__main__':
global fireDev
alarm_on = 0
# 硬件初始化
# 初始化 ADC
adcDev = ADC()
adcDev.open("fire")
fireDev = fire.Fire(adcDev)
# 初始化LED所连接GPIO
ledDev = GPIO()
ledDev.open("led")
alarm_control(alarm_on) # 关闭报警灯
wlan = network.WLAN(network.STA_IF) #创建WLAN对象
# 请替换物联网平台申请到的产品和设备信息,可以参考文章:https://blog.csdn.net/HaaSTech/article/details/114360517
get_wifi_status()
connect_lk(productKey, deviceName, deviceSecret)
upload_fire_detector_state()
adcDev.close()
ledDev.close()
# coding=utf-8
# This is a sample Python script.
import utime
from driver import GPIO
def cb(obj):
print("gpio callback test")
print(obj)
print("start led test")
gpio = GPIO()
gpio.open("GPIO23")
gpio.enableIrq(cb)
utime.sleep_ms(200)
gpio.disableIrq(cb)
gpio.clearIrq(cb)
gpio.close()
print("end led test")