3 # Copyright 2006 Free Software Foundation, Inc.
5 # This file is part of GNU Radio
7 # GNU Radio is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2, or (at your option)
12 # GNU Radio is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with GNU Radio; see the file COPYING. If not, write to
19 # the Free Software Foundation, Inc., 51 Franklin Street,
20 # Boston, MA 02110-1301, USA.
23 from usrp_prims import *
24 from optparse import OptionParser
29 def open_cmd_interface(which_board = 0):
30 if not usrp_load_standard_bits (which_board, 0):
31 raise RuntimeError, "usrp_load_standard_bits"
32 dev = usrp_find_device (which_board)
34 raise RuntimeError, "usrp_find_device"
35 u = usrp_open_cmd_interface (dev)
37 raise RuntimeError, "usrp_open_cmd_interface"
41 def write_serial_number_eeprom(u, serial_number):
42 if not str(serial_number):
45 i2c_addr = 0x50 # usrp boot rom
46 serial_number_offset = 248 # offset to serial number
47 serial_number_len = 8 # length of serial number
49 lsn = len(serial_number)
50 if lsn > serial_number_len:
51 serial_number = serial_number[0:serial_number_len]
52 if lsn < serial_number_len:
53 serial_number = serial_number + (serial_number_len - lsn) * ' '
55 ok = usrp_eeprom_write (u, i2c_addr, serial_number_offset, serial_number)
61 default_serial_number = hex(int(time.time()))[2:]
62 parser = OptionParser()
63 parser.add_option ("-s", "--serial-number", default=default_serial_number,
64 help="set serial number [default=%default]")
65 (options, args) = parser.parse_args ()
71 u = open_cmd_interface (0)
72 ok = write_serial_number_eeprom(u, options.serial_number)
79 if __name__ == "__main__":