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sens628.py
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sens628.py
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#!/usr/bin/python3
import serial, time
import urllib.request
base_url = "http://192.168.14.24:8080/json.htm?type=command¶m=udevice&idx=40&nvalue=0&svalue="
ser = serial.Serial()
ser.port = "/dev/ttyS0"
ser.baudrate = 9600
ser.bytesize = serial.EIGHTBITS
ser.parity = serial.PARITY_NONE
ser.stopbits = serial.STOPBITS_ONE
#ser.timeout = None #block read
ser.timeout = 1 #non-block read
ser.xonxoff = False
ser.rtscts = False
ser.dsrdtr = False
ser.writeTimeout = 2
while 1:
try:
ser.open()
except Exception as e:
print ("error open serial port: " + e)
exit()
if ser.isOpen():
#print (ser.port + " opened.")
try:
ser.flushInput()
ser.flushOutput()
ser.write(("#00\n\r").encode())
time.sleep(0.5)
response = ser.readline().decode()
domo_url = base_url + response[1:]
domo_ret = urllib.request.urlopen(domo_url)
html = domo_ret.read()
print(html)
ser.close()
except Exception as e1:
print ("error communicating...: " , e1)
else:
print ("cannot open serial port ")
time.sleep(60)