python 使用serial

##模块为Pyserial

Code：

import serial  
import serial.tools.list_ports 
import time 
  
#####list serial ports####
port_list = list(serial.tools.list_ports.comports())  

for port in port_list:
    print port[0]

######Read AI data####
ser = serial.Serial("COM8",9600,timeout=0.5)
time.sleep(3)
ser.write("read\n")
time.sleep(0.5)
print ser.read(50)
ser.close
#####################

###以十六进制发送

import serial
t = serial.Serial('com1',9600)
t.write("\x55\x53".encode('utf-8'))