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#!/usr/bin/env python
# -*- Python -*-
#
# Copyright 2003 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.
#
# Edit the gpif.c file generated by the Cypress GPIF Designer Tool and
# produce usrp_gpif.c, and usrp_gpif_inline.h, files suitable for our
# uses.
import re
import string
import sys
def check_flow_state (line, flow_state_dict):
mo = re.match (r'/\* Wave (\d) FlowStates \*/ (.*),', line)
if mo:
wave = int (mo.group (1))
data = mo.group (2)
split = data.split (',', 8)
v = map (lambda x : int (x, 16), split)
# print "%s, %s" % (wave, data)
# print "split: ", split
# print "v : ", v
flow_state_dict[wave] = v
def delta (xseq, yseq):
# set subtraction
z = []
for x in xseq:
if x not in yseq:
z.append (x)
return z
def write_define (output, name, pairs):
output.write ('#define %s()\t\\\n' % name)
output.write ('do {\t\t\t\t\t\\\n')
for reg, val in pairs:
output.write ('%14s = 0x%02x;\t\t\t\\\n' % (reg, val))
output.write ('} while (0)\n\n')
def write_inlines (output, dict):
regs = ['FLOWSTATE', 'FLOWLOGIC', 'FLOWEQ0CTL', 'FLOWEQ1CTL', 'FLOWHOLDOFF',
'FLOWSTB', 'FLOWSTBEDGE', 'FLOWSTBHPERIOD', 'GPIFHOLDAMOUNT']
READ_FLOW_STATE = 2
WRITE_FLOW_STATE = 3
read_info = zip (regs, dict[READ_FLOW_STATE])
write_info = zip (regs, dict[WRITE_FLOW_STATE])
output.write ('''/*
* Machine generated by "edit-gpif". Do not edit by hand.
*/
''')
write_define (output, 'setup_flowstate_common', read_info)
write_define (output, 'setup_flowstate_read', delta (read_info, write_info))
write_define (output, 'setup_flowstate_write', delta (write_info, read_info))
def edit_gpif (input_name, output_name, inline_name):
input = open (input_name, 'r')
output = open (output_name, 'w')
inline = open (inline_name, 'w')
flow_state_dict = {}
output.write ('''/*
* Machine generated by "edit-gpif". Do not edit by hand.
*/
''')
while 1:
line = input.readline ()
line = string.replace (line, '\r','')
line = re.sub (r' *$', r'', line)
check_flow_state (line, flow_state_dict)
line = re.sub (r'#include', r'// #include', line)
line = re.sub (r'xdata ', r'', line)
if re.search (r'GpifInit', line):
break
output.write (line)
output.close ()
write_inlines (inline, flow_state_dict)
inline.close ()
# gpif.c usrp_gpif.c usrp_gpif_inline.h
edit_gpif (sys.argv[1], sys.argv[2], sys.argv[3])
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