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#!/usr/bin/env python
#
# Copyright 2011 Ettus Research LLC
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import threading
import usrp_n2xx_net_burner #import implementation
import Tkinter, tkFileDialog, tkFont, tkMessageBox
import os
class BinFileEntry(Tkinter.Frame):
"""
Simple file entry widget for getting the file path of bin files.
Combines a label, entry, and button with file dialog callback.
"""
def __init__(self, root, what, def_path=''):
self._what = what
Tkinter.Frame.__init__(self, root)
Tkinter.Label(self, text=what+":").pack(side=Tkinter.LEFT)
self._entry = Tkinter.Entry(self, width=50)
self._entry.insert(Tkinter.END, def_path)
self._entry.pack(side=Tkinter.LEFT)
Tkinter.Button(self, text="...", command=self._button_cb).pack(side=Tkinter.LEFT)
def _button_cb(self):
filename = tkFileDialog.askopenfilename(
parent=self,
filetypes=[('bin files', '*.bin'), ('all files', '*.*')],
title="Select bin file for %s"%self._what,
initialdir=os.path.dirname(self.get_filename()),
)
# open file on your own
if filename:
self._entry.delete(0, Tkinter.END)
self._entry.insert(0, filename)
def get_filename(self):
return self._entry.get()
class ProgressBar(Tkinter.Canvas):
"""
A simple implementation of a progress bar.
Draws rectangle that fills from left to right.
"""
def __init__(self, root, width=500, height=20):
self._width = width
self._height = height
Tkinter.Canvas.__init__(self, root, relief="sunken", borderwidth=2, width=self._width-2, height=self._height-2)
self._last_fill_pixels = None
self.set(0.0)
def set(self, frac):
"""
Update the progress where fraction is between 0.0 and 1.0
"""
#determine the number of pixels to draw
fill_pixels = int(round(self._width*frac))
if fill_pixels == self._last_fill_pixels: return
self._last_fill_pixels = fill_pixels
#draw a rectangle representing the progress
if frac: self.create_rectangle(0, 0, fill_pixels, self._height, fill="#357EC7")
else: self.create_rectangle(0, 0, self._width, self._height, fill="#E8E8E8")
class SectionLabel(Tkinter.Label):
"""
Make a text label with bold font.
"""
def __init__(self, root, text):
Tkinter.Label.__init__(self, root, text=text)
#set the font bold
f = tkFont.Font(font=self['font'])
f['weight'] = 'bold'
self['font'] = f.name
class USRPN2XXNetBurnerApp(Tkinter.Frame):
"""
The top level gui application for the usrp-n2xx network burner.
Creates entry widgets and button with callback to write images.
"""
def __init__(self, root, addr, fw, fpga):
Tkinter.Frame.__init__(self, root)
#pack the file entry widgets
SectionLabel(self, text="Select Images").pack(pady=5)
self._fw_img_entry = BinFileEntry(self, "Firmware Image", def_path=fw)
self._fw_img_entry.pack()
self._fpga_img_entry = BinFileEntry(self, "FPGA Image", def_path=fpga)
self._fpga_img_entry.pack()
#pack the destination entry widget
SectionLabel(self, text="Select Address").pack(pady=5)
self._addr_entry = Tkinter.Entry(self, width=30)
self._addr_entry.insert(Tkinter.END, addr)
self._addr_entry.pack()
#the do it button
SectionLabel(self, text="").pack(pady=5)
button = Tkinter.Button(self, text="Burn Images", command=self._burn)
self._enable_input = lambda: button.configure(state=Tkinter.NORMAL)
self._disable_input = lambda: button.configure(state=Tkinter.DISABLED)
button.pack()
#a progress bar to monitor the status
progress_frame = Tkinter.Frame(self)
progress_frame.pack()
self._status = Tkinter.StringVar()
Tkinter.Label(progress_frame, textvariable=self._status).pack(side=Tkinter.LEFT)
self._pbar = ProgressBar(progress_frame)
self._pbar.pack(side=Tkinter.RIGHT, expand=True)
def _burn(self):
self._disable_input()
threading.Thread(target=self._burn_bg).start()
def _burn_bg(self):
#grab strings from the gui
fw = self._fw_img_entry.get_filename()
fpga = self._fpga_img_entry.get_filename()
addr = self._addr_entry.get()
#check input
if not addr:
tkMessageBox.showerror('Error:', 'No address specified!')
return
if not fw and not fpga:
tkMessageBox.showerror('Error:', 'No images specified!')
return
if fw and not os.path.exists(fw):
tkMessageBox.showerror('Error:', 'Firmware image not found!')
return
if fpga and not os.path.exists(fpga):
tkMessageBox.showerror('Error:', 'FPGA image not found!')
return
try:
#make a new burner object and attempt the burner operation
burner = usrp_n2xx_net_burner.burner_socket(addr=addr)
for (image_type, fw_img, fpga_img) in (('FPGA', '', fpga), ('Firmware', fw, '')):
#setup callbacks that update the gui
def status_cb(status):
self._pbar.set(0.0) #status change, reset the progress
self._status.set("%s %s "%(status.title(), image_type))
burner.set_callbacks(progress_cb=self._pbar.set, status_cb=status_cb)
burner.burn_fw(fw=fw_img, fpga=fpga_img, reset=False, safe=False)
if tkMessageBox.askyesno("Burn was successful!", "Reset the device?"):
burner.reset_usrp()
except Exception, e:
tkMessageBox.showerror('Verbose:', 'Error: %s'%str(e))
#reset the progress bar
self._pbar.set(0.0)
self._status.set("")
self._enable_input()
########################################################################
# main
########################################################################
if __name__=='__main__':
options = usrp_n2xx_net_burner.get_options()
root = Tkinter.Tk()
root.title('USRP-N2XX Net Burner')
USRPN2XXNetBurnerApp(root, addr=options.addr, fw=options.fw, fpga=options.fpga).pack()
root.mainloop()
exit()
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