hittite_controller.py~

import socket

class hittiteController():
    def __init__(self, addr='192.168.000.070', port=50000, terminator='\r'):
        self.address=(addr,port)
        self.terminator=terminator
        
    def connect(self):
        s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
        s.connect(self.address)
        s.settimeout(0.5)
        self.s = s
        return
    def disconnect(self):
        self.s.close()
        
    def send(self,msg):
        self.connect()
        try:
            self.s.send(msg+self.terminator)
        except Exception,e:
            print e
            raise e
        finally:
            self.disconnect()
            
    def send_and_receive(self,msg):
        self.connect()
        try:
            self.s.send(msg+self.terminator)
            response=self.s.recv(1024)
            return response
        except Exception,e:
            print e
            raise e
        finally:
            self.disconnect()
        
            
    def on(self):
        self.send('OUTP ON')
    def off(self):
        self.send('OUTP OFF')
    def set_freq(self,freq):
        msg='FREQ %f'%(freq)
        self.send(msg)
            
    '''def on(self):
        self.connect()
        response = ''
        try:
            self.s.send('OUTP ON\r')
            response = self.s.recv(10000)
            return response
        except Exception,e:
            print e
            raise e
        finally:
            self.disconnect()'''