windfreak_control3.py

# -*- coding: utf-8 -*-
"""
Created on Mon Aug 18 17:32:49 2014

@author: Nick Lewty

Python software for communicating with windfreak USB2

Windfreak USB2 is a $250 PLL that can set frequencies between  34.4MHz - 4.4GHz 

Details about windfreak can be found at this web address 

http://www.windfreaktech.com/

Code fairly simple hence no comments in the code
"""

import serial

class windfreakusb2(object):
	baudrate = 115200
		
	def __init__(self, port):
		self.serial = self._open_port(port)
		
	def _open_port(self, port):
		ser = serial.Serial(port, self.baudrate, timeout=1)
		ser.readline()
		ser.timeout = 1
		return ser
		
	def _serial_write(self, string):
		self.serial.write(bytes(string + '\n', 'utf-8'))
		
	def _serial_read(self):
		msg_string = self.serial.readline()
		# Remove any linefeeds etc
		msg_string = msg_string.rstrip().decode('utf-8')
		return msg_string
		
	def get_freq(self):
		self._serial_write('f?')
		return self._serial_read()
	
	def rf_on(self):
		self._serial_write('o1')
		return self._serial_read()
	
	def rf_off(self):
		self._serial_write('o0')
		return self._serial_read()
	
	def rf_power_low(self):
		self._serial_write('h0')
	
	def rf_power_high(self):
		self._serial_write('h1')
	
	def set_pulse_mode(self,value):
		self._serial_write('j' + str(value))
	
	def get_pulse_mode(self,value):
		self._serial_write('j?')
		return self._serial_read()
		
	def get_power(self):
		self._serial_write('a?')
		return self._serial_read()
		
	def set_freq(self,value):
		self._serial_write('f' + str(value))
		return self._serial_read()
		
	def check_osci(self):
		self._serial_write('p')
		return self._serial_read()
	
	def set_clock(self,value):
		self._serial_write('x' + str(value))
		return self._serial_read()
	
	def get_clock(self):
		self._serial_write('x?')
		return self._serial_read()
	
	def set_power(self,value):
		self._serial_write('a' + str(value))
		return self._serial_read()
	
	def serial_number(self):
		self._serial_write('+')
		return self._serial_read()
	    
if __name__=='__main__':
	dev_addr='/dev/serial/by-id/usb-Windfreak_Synth_Windfreak_CDC_Serial_014571-if00'
	dev=windfreakusb2(dev_addr)
	dev.set_freq(100)