树莓派串口控制程序

1 #!/usr/bin/env python
2
3 import serial
4 import sys
5 class Control():
6     def __init__(self,device='/dev/ttyUSB0',BAUD=4800):
7         self.client = serial.Serial(device,BAUD,timeout=1)
8     def command(self,CMD):
9         try:
10             self.client.write(CMD)
11             #self.client.close()
12         except:
13             pass
14
15 if __name__ == '__main__':
16     c = Control()
17     while True:
18         cmd = raw_input("控制命令:")
19         if cmd == 'exit': #输入exit退出程序
20             sys.exit()
21         else:
22             c.command(cmd)