Pyserial使用

原创于 2013-10-16 11:42:25 发布 · 993 阅读

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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 serial
	for 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)