Python Language Read from serial port


Example

Initialize serial device

import serial
#Serial takes two parameters: serial device and baudrate
ser = serial.Serial('/dev/ttyUSB0', 9600)

to read single byte from serial device

data = ser.read()

to read given number of bytes from the serial device

data = ser.read(size=5)

to read one line from serial device.

data = ser.readline()

to read the data from serial device while something is being written over it.

#for python2.7
data = ser.read(ser.inWaiting())

#for python3
ser.read(ser.inWaiting)