build_utils_codes.py

这是用python语言写的一个数字广播的信号处理工具包。利用它

#
# Copyright 2004 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.
# 

def i_code (code3):
    return code3[0]

def o_code (code3):
    if len (code3) >= 2:
        return code3[1]
    else:
        return code3[0]

def tap_code (code3):
    if len (code3) >= 3:
        return code3[2]
    else:
        return code3[0]

def i_type (code3):
    return char_to_type[i_code (code3)]

def o_type (code3):
    return char_to_type[o_code (code3)]

def tap_type (code3):
    return char_to_type[tap_code (code3)]


char_to_type = {}
char_to_type['s'] = 'short'
char_to_type['i'] = 'int'
char_to_type['f'] = 'float'
char_to_type['c'] = 'gr_complex'
char_to_type['b'] = 'unsigned char'