prologix_usb_gpib.py
88 lines
| 2.3 KiB
| text/x-python
|
PythonLexer
/ lppinstru / prologix_usb_gpib.py
Alexis Jeandet
|
r3 | #!/usr/bin/env python | ||
| #-*- coding: utf-8 -*- | ||||
| """Simple python library to communicate with Prologix USB GPIB module. | ||||
| """ | ||||
| import time | ||||
| import sys | ||||
| import os | ||||
| import matplotlib.pyplot as plt | ||||
| import numpy as np | ||||
| import serial | ||||
| __author__ = "Alexis Jeandet" | ||||
| __copyright__ = "Copyright 2015, Laboratory of Plasma Physics" | ||||
| __credits__ = [] | ||||
| __license__ = "GPLv2" | ||||
| __version__ = "1.0.0" | ||||
| __maintainer__ = "Alexis Jeandet" | ||||
| __email__ = "alexis.jeandet@member.fsf.org" | ||||
| __status__ = "Development" | ||||
| class UsbGpib(object): | ||||
| modedic = {0:"DEVICE" , | ||||
| 1:"CONTROLLER" ,} | ||||
| revmodedic = {"DEVICE":"0" , | ||||
| "CONTROLLER":"1" ,} | ||||
| r9 | def __init__(self,port,address=0,baudrate=9600): | |||
| self._port=serial.Serial(port,timeout=0.1,baudrate=baudrate) | ||||
|
Alexis Jeandet
|
r3 | self._address=address | ||
| r9 | self.write("++auto 1") | |||
| self._auto=1 | ||||
| self.mode=1 | ||||
|
Alexis Jeandet
|
r3 | self.write("++ver") | ||
| self.version=self.read() | ||||
| r9 | ||||
|
Alexis Jeandet
|
r3 | |||
| def set_as_device(self): | ||||
| self.write("++mode 0") | ||||
| def set_as_controller(self): | ||||
| self.write("++mode 1") | ||||
| @property | ||||
| def mode(self): | ||||
| self.write("++mode") | ||||
| self._mode= self.modedic[int(self.read())] | ||||
| return self._mode | ||||
| @mode.setter | ||||
| def mode(self,new_mode): | ||||
| r9 | if type(new_mode) == type("str"): | |||
| self._mode=self.revmodedic[new_mode] | ||||
| elif type(new_mode) == type(1): | ||||
| self._mode=new_mode | ||||
|
Alexis Jeandet
|
r3 | self.write("++mode %d" % self._mode) | ||
| @property | ||||
| def address(self): | ||||
| self._address=int(self.read("++addr")) | ||||
| return self._address | ||||
| @address.setter | ||||
| def address(self,value): | ||||
| self._address=int(value) | ||||
| self.write("++addr %d" % self._address) | ||||
| def write(self,command): | ||||
| r9 | self._port.write(("%s\n\r" % command).encode()) | |||
|
Alexis Jeandet
|
r3 | self._port.flush() | ||
| r9 | def read(self,command=""): | |||
|
Alexis Jeandet
|
r3 | if not command=="": | ||
| self.write(command) | ||||
| r9 | if command[0:2]!="++" and self._auto==0: | |||
|
Alexis Jeandet
|
r3 | self.write("++read") | ||
| return self._port.readall() | ||||
| def idn(self): | ||||
| return self.read("*IDN?") | ||||
| r9 | ||||
| @property | ||||
| def auto_read_after_write(self): | ||||
| self._auto=int(self.read("++auto")) | ||||
| return self._auto | ||||
| @auto_read_after_write.setter | ||||
| def auto_read_after_write(self,enabled): | ||||
| self._auto=enabled | ||||
| self.write("++auto %d" % self._auto) | ||||
