global is_close_unknown #如果是未知原因关闭的话 订阅会丢失 重新订阅即可
if (is_close_unknown):
all_subscribe()
is_close_unknown = False
print("非正常关闭,所以需要重新初始化订阅相关代码")
def on_disconnect(client, userdata, rc): #siot关闭连接时回调
rc = int(rc)
if (rc != 0): #0是正常关闭 非0即表示非正常关闭
print("说明连接已经关闭了....")
global is_close_unknown
is_close_unknown = True
siot.init(projectid, iot_server, user=iot_user, password=iot_pwd)
siot.client.on_connect = on_connect
siot.client.on_disconnect = on_disconnect
siot.connect()
all_subscribe()
siot.loop()
start_time = time.time() - t1
water = False
Board("uno").begin()
while True:
a0 = Pin(Pin.A0, Pin.ANALOG).read_analog()
a1 = Pin(Pin.A1, Pin.ANALOG).read_analog()
if soil < a1:
water = True
topic_msg_map = {}
def on_topic_subscribe(client, userdata, msg):
global topic_msg_map
topic_msg_map[str(msg.topic)] = str(msg.payload.decode())
def on_topic_read(topic):
global topic_msg_map
result = topic_msg_map.get(topic, None)
del site[topic]
return result
siot.init('', '127.0.0.1', user='******', password='******')
siot.connect()
_siot_connected = True
if _siot_connected:
siot.subscribe('af/d2', on_topic_subscribe)
siot.loop()
while True:
a0 = Pin("A0", Pin.ANALOG).read_analog()
siot.publish('af/a0', a0)
sleep(0.01)
a1 = Pin("A1", Pin.ANALOG).read_analog()
siot.publish('af/a1', a1)
sleep(5)
if '1' == on_topic_read('af/d2'):
Pin(2, Pin.OUT).write_digital(1)
sleep(5)
def on_topic_subscribe(client, userdata, msg):
global topic_msg_map
topic_msg_map[str(msg.topic)] = str(msg.payload.decode())
def on_topic_read(topic):
global topic_msg_map
result = topic_msg_map.get(topic, None)
if result:
del topic_msg_map[topic]
return str(result)
siot.init('', iot_server, user=iot_user, password=iot_pwd)
siot.connect()
siot.subscribe(projectid + '/d2', on_topic_subscribe)
siot.loop()
start_time = time.time() - t1
water = False
while True:
a0 = Pin("A0", Pin.ANALOG).read_analog()
a1 = Pin("A1", Pin.ANALOG).read_analog()
if soil < a1:
water = True
print("超出阈值，当前为：%d" % a1)
getcmd = on_topic_read(projectid + '/d2')
if getcmd:
print("收到指令：内容为：%s" % getcmd)
if getcmd == '1':
global msg_map
t=time.asctime(time.localtime(time.time()))
print("\nTopic:" + str(msg.topic) + " Message:" + str(msg.payload) + " Time:" + t)
msg_map[str(msg.topic)]=[str(msg.payload.decode()),time.time()]
# 读取后删除
def topic_read(topic):
global msg_map
result=msg_map.get(topic,None)
if result:
re = result[0]
del msg_map[topic]
return re
return result
siot.init(CLIENT_ID, SERVER, user=IOT_UserName, password=IOT_PassWord)
siot.connect()
# 订阅消息
for item in project_dict.keys():
siot.subscribe(item +"/"+ topic_list[0], on_subscribe)
siot.loop()
# 通过循环读出数值，和阈值比较后判断是否发送控制指令
temp_id = ''
while True:
for item in project_dict.keys():
temp_id = item +'/'+ topic_list[0]
val = topic_read(temp_id)
if val:
''' # file pub_sub.py # brief Set 'SERVER','CLIENT_ID'(this can be null),'IOT_pubTopic','IOT_UserName','IOT_PassWord' # download into pc or raspberryPi and run the file # You will send the message by seconds and receive the message from server # Copyright Copyright (c) 2010 DFRobot Co.Ltd (http://www.dfrobot.com) # licence The MIT License (MIT) # author [LuoYufeng]([email protected]) # version V1.0 # date 2019-10-8 ''' import siot import time SERVER = "127.0.0.1" #MQTT服务器IP CLIENT_ID = "" #在SIoT上，CLIENT_ID可以留空 IOT_pubTopic = 'xzr/001' #“topic”为“项目名称/设备名称” IOT_UserName = '******' #用户名 IOT_PassWord = '******' #密码 siot.init(CLIENT_ID, SERVER, user=IOT_UserName, password=IOT_PassWord) def sub_cb(client, userdata, msg): print("\nTopic:" + str(msg.topic) + " Message:" + str(msg.payload)) siot.connect() siot.set_callback(sub_cb) siot.getsubscribe(IOT_pubTopic) siot.loop() tick = 0 try: while True:
import siot
import time
from xugu import Pin # 从 xugu 库中导入 Pin类
p = Pin("A0", Pin.ANALOG) # 初始化 A0 引脚,设置为输入模式
SERVER = "192.168.0.101" #MQTT服务器IP
CLIENT_ID = "" #在SIoT上，CLIENT_ID可以留空
IOT_pubTopic = 'DIY/TEST01' #“topic”为“项目名称/设备名称”
IOT_UserName = '******' #用户名
IOT_PassWord = '******' #密码
siot.init(CLIENT_ID, SERVER, user=IOT_UserName, password=IOT_PassWord)
def sub_cb(client, userdata, msg):
print("\nTopic:" + str(msg.topic) + " Message:" + str(msg.payload))
siot.connect()
siot.set_callback(sub_cb)
siot.getsubscribe(IOT_pubTopic)
siot.loop()
while True:
TDS = p.read_analog() #读取 A0 引脚的模拟量
siot.publish(IOT_pubTopic, "%d" % TDS)
time.sleep(1)
import siot #导入siot库
import time #导入time库
from xugu import Pin # 从 xugu 库中导入 Pin类
p = Pin("A0", Pin.ANALOG) # 初始化 A0 引脚,设置为输入模式
SERVER = "192.168.0.101" #MQTT服务器IP
CLIENT_ID = "" #在SIoT上，CLIENT_ID可以留空
IOT_pubTopic = 'DIY/TEST01' #“topic”为“项目名称/设备名称”
IOT_UserName = '******' #用户名
IOT_PassWord = '******' #密码
siot.init(CLIENT_ID, SERVER, user=IOT_UserName,
password=IOT_PassWord) #将上述配置信息作为siot客户端参数
siot.connect() #连接siot服务器
while True:
TDS = p.read_analog() #读取 A0 引脚的模拟量并赋值给变量TDS
siot.publish(IOT_pubTopic, "%d" % TDS) #发布检测到的TDS值
time.sleep(1) #等待1秒
