在python自帶類庫中，沒有對串口操作的模塊，需要額外引用。
python 2 中需要引用以下兩個模塊：
1. pyserial模塊(
pyserial-2.5.win32.exe)
2. pywin32 (http://sourceforge.net/projects/pywin32/)
在python 3中只需要引用一個模塊
pyserial模塊(pyserial-py3k-2.5.win32.exe) 模塊即可，里面包含了serialwin32.py文件
從HexData.txt中讀取數據發動到串口中。
__author__ =
'
zhangps
'
import serial
from time import sleep
serialport = serial.Serial( " com3 ",115200,timeout=1)
readHandle = open( "Hex Data.txt ", " r ",encoding= " utf8 ")
try:
for fileLine in readHandle.readlines():
writeData = bytes.fromhex(fileLine)
serialport.write(writeData)
sleep(0.05)
except EnvironmentError as err:
print(err)
finally:
readHandle.close()
serialport.close()
import serial
from time import sleep
serialport = serial.Serial( " com3 ",115200,timeout=1)
readHandle = open( "Hex Data.txt ", " r ",encoding= " utf8 ")
try:
for fileLine in readHandle.readlines():
writeData = bytes.fromhex(fileLine)
serialport.write(writeData)
sleep(0.05)
except EnvironmentError as err:
print(err)
finally:
readHandle.close()
serialport.close()
sleep單位為秒
HexData.tx格式如下：
7E 7E 08 02 14 EE 0D 01 1A F0 16
7E 7E 09 02 14 32 F3 01 17 80 00 48
7E 7E 0B 02 14 99 0D 01 15 FA 0F C3 0C A7