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 Edited by afric at 2018-3-3 21:53  
 
Final i install  python 
 
- sudo apt-get install python-serial python3-serial
 
 - sudo nano read_serial.py
 
  Copy code i write the script  
- #start read_serial.py script
 
 - #{
 
 - #!/usr/bin/env python
 
 - import time
 
 - import serial
 
 -  
 
 - ser = serial.Serial(
 
 -  port='/dev/ttyS2',
 
 -  baudrate = 38400,
 
 -  parity=serial.PARITY_NONE,
 
 -  stopbits=serial.STOPBITS_ONE,
 
 -  bytesize=serial.EIGHTBITS,
 
 -  timeout=1
 
 - )
 
 - counter=0
 
 -  
 
 -  
 
 - while 1:
 
 -  x=ser.readline()
 
 -  print x 
 
 - #}
 
 - #end read_serial.py script
 
  Copy code and i run  
- sudo python read_serial.py
 
  Copy code to see if ti works 
after that i write onether script (i find it ready) 
- sudo nano serial_to_udp.py
 
  Copy code- #start script
 
 - # Python script for serial to UDP communication
 
 - # Alex Olwal, 2012 03 24
 
 - # www.olwal.com
 
 - # 
 
  
- import serial
 
 - import sys
 
  
- from socket import *
 
  
- def send(msg, ip, port):
 
 -     socket(AF_INET,SOCK_DGRAM).sendto(msg, (ip, port))
 
  
- baud_rate = 38400
 
  
- if ( len(sys.argv) == 1 ):
 
 -         print "Serial-to-UDP utility | Alex Olwal, 2012, www.olwal.com"
 
 -         print "Syntax: " + sys.argv[0] + " serial_port udp_ip(= 127.0.0.1) udp_port(= 5000)"
 
 -         print "Example: " + sys.argv[0] + " COM20 127.0.0.1 5000"
 
 -         quit()
 
  
- serial_port = sys.argv[1]
 
  
- if ( len(sys.argv) >= 3 ):
 
 -         udp_ip = sys.argv[2]
 
 - else:
 
 -         udp_ip = "127.0.0.1"
 
  
- if ( len(sys.argv) >= 4 ):
 
 -         udp_port = sys.argv[3]
 
 - else:
 
 -         udp_port = "5000"
 
 -                 
 
 - if ( len(sys.argv) >= 5):
 
 -         printing = 1
 
 - else:
 
 -                 printing = 0
 
  
- print "Reading from serial port: " + serial_port
 
 - print "Sending to " + udp_ip + ":" + udp_port
 
  
- udp_port = int(udp_port)
 
  
- s = serial.Serial( serial_port, baud_rate, timeout=1 )
 
  
- while (1):
 
 -         line = s.readline()
 
  
-         if (line != ''):
 
 -                         if (printing):
 
 -                                 print line[:-1]
 
 -             
 
 -                         send( line, udp_ip, udp_port )
 
  
-         else:
 
 -             if (printing):
 
 -                 print "."
 
  
- s.close()
 
 - #end script
 
  Copy code now if you run sudo python serial_to_udp.py you will take 
- Serial-to-UDP utility | Alex Olwal, 2012, www.olwal.com
 
 - Syntax: serial_to_udp.py serial_port udp_ip(= 127.0.0.1) udp_port(= 5000)
 
 - Example: serial_to_udp.py COM20 127.0.0.1 5000
 
  Copy code so i run  
- python serial_to_udp.py  /dev/ttyS2 192.168.1.100 13000 &
 
  Copy code and i take serial data from ttyS2 (i have a MAX3232 RS232 Serial Port To TTL ) and i sent it to my pc at port 13000 
 
 
 
 
 
 
 
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