Pyserial使用

Environment : WIN-7 64Bit

Python Ver : V3.3.2
Pyserial Ver : V2.7
1. import the lib

import serial

2. List the available ports

import serialfor i in range(50):try:ser = serial.Serial(i)print("COM"+str(i+1))ser.close()except serial.SerialException:pass

3. Send a byte

ser.write(0xAA)

4. Send a string

Greet = bytearray("Hello World", 'ascii')ser.write(Greet)

5. Send a byte array

command = [0xAA, 0x04, 0x12, 0x44]ser.write(command)

6. Get the received data count

dataLen = ser.inWaiting()

7. Read the received data

ser.read(dataLen)