Wednesday, December 28, 2011

pyserial port scan

if you are using pyserial module to read the communication from your device on UART , you will have to know which port the is your system connected to.

the following is a simple code to scan through all the COM ports and find out which com port is in opened. at the end of the program , you will see the serial uart that is in use being printed

import pyserial
for i in range(256):
try:
s = serial.Serial(i)
available.append( (i, s.portstr))
port = i
s.close()
except serial.SerialException:
pass

ser = serial.Serial(port, 115200,timeout=1)
print ser.portstr


happy scripting!

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