diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2011-10-19 16:40:14 -0700 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2011-10-19 16:40:14 -0700 |
| commit | eb95f431badf197b249131a3119a92bd5317621b (patch) | |
| tree | 645854a7e1e6cf57fcae56f196a5d828b913555e /usrp/firmware/src/common/build_eeprom.py | |
| parent | e30b824e9165bff69f09121631c3d5a706cbbd39 (diff) | |
Removed usrp(2) directories.
Diffstat (limited to 'usrp/firmware/src/common/build_eeprom.py')
| -rwxr-xr-x | usrp/firmware/src/common/build_eeprom.py | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/usrp/firmware/src/common/build_eeprom.py b/usrp/firmware/src/common/build_eeprom.py deleted file mode 100755 index 00c2e34141..0000000000 --- a/usrp/firmware/src/common/build_eeprom.py +++ /dev/null @@ -1,188 +0,0 @@ -#!/usr/bin/env python -# -# Copyright 2004,2006 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 3, 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. -# - -import re -import sys -import os, os.path -from optparse import OptionParser - -# USB Vendor and Product ID's - -VID = 0xfffe # Free Software Folks -PID = 0x0002 # Universal Software Radio Peripheral - - -def hex_to_bytes (s): - if len (s) & 0x1: - raise ValueError, "Length must be even" - r = [] - for i in range (0, len(s), 2): - r.append (int (s[i:i+2], 16)) - return r - -def msb (x): - return (x >> 8) & 0xff - -def lsb (x): - return x & 0xff - -class ihx_rec (object): - def __init__ (self, addr, type, data): - self.addr = addr - self.type = type - self.data = data - -class ihx_file (object): - def __init__ (self): - self.pat = re.compile (r':[0-9A-F]{10,}') - def read (self, file): - r = [] - for line in file: - line = line.strip().upper () - if not self.pat.match (line): - raise ValueError, "Invalid hex record format" - bytes = hex_to_bytes (line[1:]) - sum = reduce (lambda x, y: x + y, bytes, 0) % 256 - if sum != 0: - raise ValueError, "Bad hex checksum" - lenx = bytes[0] - addr = (bytes[1] << 8) + bytes[2] - type = bytes[3] - data = bytes[4:-1] - if lenx != len (data): - raise ValueError, "Invalid hex record (bad length)" - if type != 0: - break; - r.append (ihx_rec (addr, type, data)) - - return r - -def get_code (filename): - """Read the intel hex format file FILENAME and return a tuple - of the code starting address and a list of bytes to load there. - """ - f = open (filename, 'r') - ifx = ihx_file () - r = ifx.read (f) - r.sort (lambda a,b: a.addr - b.addr) - code_start = r[0].addr - code_end = r[-1].addr + len (r[-1].data) - code_len = code_end - code_start - code = [0] * code_len - for x in r: - a = x.addr - l = len (x.data) - code[a-code_start:a-code_start+l] = x.data - return (code_start, code) - - -def build_eeprom_image (filename, rev): - """Build a ``C2 Load'' EEPROM image. - - For details on this format, see section 3.4.3 of - the EZ-USB FX2 Technical Reference Manual - """ - # get the code we want to run - (start_addr, bytes) = get_code (filename) - - devid = rev - - rom_header = [ - 0xC2, # boot from EEPROM - lsb (VID), - msb (VID), - lsb (PID), - msb (PID), - lsb (devid), - msb (devid), - 0 # configuration byte - ] - - # 4 byte header that indicates where to load - # the immediately follow code bytes. - code_header = [ - msb (len (bytes)), - lsb (len (bytes)), - msb (start_addr), - lsb (start_addr) - ] - - # writes 0 to CPUCS reg (brings FX2 out of reset) - trailer = [ - 0x80, - 0x01, - 0xe6, - 0x00, - 0x00 - ] - - image = rom_header + code_header + bytes + trailer - - assert (len (image) <= 256) - return image - -def build_shell_script (out, ihx_filename, rev, prefix): - - image = build_eeprom_image (ihx_filename, rev) - - out.write ('#!/bin/sh\n') - out.write ('usrper -x load_firmware ' + prefix + '/share/usrp/rev%d/std.ihx\n' % rev) - out.write ('sleep 2\n') - - # print "len(image) =", len(image) - - i2c_addr = 0x50 - rom_addr = 0x00 - - hex_image = map (lambda x : "%02x" % (x,), image) - - while (len (hex_image) > 0): - l = min (len (hex_image), 16) - out.write ('usrper i2c_write 0x%02x %02x%s\n' % - (i2c_addr, rom_addr, ''.join (hex_image[0:l]))) - hex_image = hex_image[l:] - rom_addr = rom_addr + l - out.write ('sleep 2\n') - -if __name__ == '__main__': - usage = "usage: %prog -p PREFIX -r REV [options] bootfile.ihx" - parser = OptionParser (usage=usage) - parser.add_option ("-p", "--prefix", type="string", default="", - help="Specify install prefix from configure") - parser.add_option ("-r", "--rev", type="int", default=-1, - help="Specify USRP revision number REV (2 or 4)") - (options, args) = parser.parse_args () - if len (args) != 1: - parser.print_help () - sys.exit (1) - if options.rev < 0: - sys.stderr.write ( - "You must specify the USRP revision number (2 or 4) with -r REV\n") - sys.exit (1) - if options.prefix == "": - sys.stderr.write ( - "You must specify the install prefix with -p PREFIX\n") - sys.exit (1) - - ihx_filename = args[0] - - build_shell_script (sys.stdout, ihx_filename, options.rev, options.prefix) |