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#!/usr/bin/env python
#
# Copyright 2006 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio 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 2, or (at your option)
# any later version.
#
# GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
from usrp_prims import *
from optparse import OptionParser
import sys
import time
def open_cmd_interface(which_board = 0):
if not usrp_load_standard_bits (which_board, 0):
raise RuntimeError, "usrp_load_standard_bits"
dev = usrp_find_device (which_board)
if not dev:
raise RuntimeError, "usrp_find_device"
u = usrp_open_cmd_interface (dev)
if not u:
raise RuntimeError, "usrp_open_cmd_interface"
return u
def write_serial_number_eeprom(u, serial_number):
if not str(serial_number):
raise TypeError
i2c_addr = 0x50 # usrp boot rom
serial_number_offset = 248 # offset to serial number
serial_number_len = 8 # length of serial number
lsn = len(serial_number)
if lsn > serial_number_len:
serial_number = serial_number[0:serial_number_len]
if lsn < serial_number_len:
serial_number = serial_number + (serial_number_len - lsn) * ' '
ok = usrp_eeprom_write (u, i2c_addr, serial_number_offset, serial_number)
return ok
def main():
default_serial_number = hex(int(time.time()))[2:]
parser = OptionParser()
parser.add_option ("-s", "--serial-number", default=default_serial_number,
help="set serial number [default=%default]")
(options, args) = parser.parse_args ()
if len(args) != 0:
parser.print_help()
sys.exit(1)
u = open_cmd_interface (0)
ok = write_serial_number_eeprom(u, options.serial_number)
if ok:
sys.exit(0)
else:
sys.exit(1)
if __name__ == "__main__":
main ()
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