Python Example Serial Port
'' if isinstance(port, serial.Serial): self._port = port else: self._port = serial.serial_for_url(port) self._slip_reader = slip_reader(self._port) # setting baud rate in a separate step is a workaround for # CH341 driver on some Linux versions (this opens at 9600 then # sets), shouldn't matter for other platforms/drivers. Jul 30, 2009 - The serial port (a.k.a. COM-port, or RS232) is slowly disappearing from desktop and laptop computers, but it's still a very important tool for embedded engineers and people controlling equipment in general. The reason for this is that the serial port is very simple to set-up and use both from embedded.
Pyserial is a python module that allows one to access serial port. It’s easy to use and one can start test serial port communication in minutes. Install pyserial If your machine doesn’t have pyserial module installed, you can install the module using easy_install. Cloud System Booster Serial Protocol there. Sudo easy_install pyserial In case you don’t have easy_install installed, you can install it by entering the following command, sudo apt-get install python-setuptools Then you can run the command above to install pyserial.
A Sample Program The sample program use pyserial to communicate with a modem device with its serial port interface at /dev/ttyUSB0 in Ubuntu Linux. #!/usr/bin/python import serial, time #initialization and open the port #possible timeout values: # 1. None: wait forever, block call # 2. 0: non-blocking mode, return immediately # 3.