diff options
Diffstat (limited to 'gsm-tvoid/src/lib/fire_crc.h')
-rw-r--r-- | gsm-tvoid/src/lib/fire_crc.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/gsm-tvoid/src/lib/fire_crc.h b/gsm-tvoid/src/lib/fire_crc.h new file mode 100644 index 0000000..91cdee3 --- /dev/null +++ b/gsm-tvoid/src/lib/fire_crc.h @@ -0,0 +1,65 @@ +/* -*- c++ -*- */ +/* + * Copyright 2005 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + + +#ifndef INCLUDED_FIRE_CRC_H +#define INCLUDED_FIRE_CRC_H + +typedef struct +{ + unsigned int crc_size; + unsigned int data_size; + unsigned int syn_start; + int syndrome_reg[40]; +} FC_CTX; + +int FC_init(FC_CTX *ctx, unsigned int crc_size, unsigned int data_size); +int FC_check_crc(FC_CTX *ctx, unsigned char *input_bits, unsigned char *control_data); + +#if 0 +/*! + * \brief + * \ingroup + */ + +class fire_crc +{ +protected: + + unsigned int d_crc_size; + unsigned int d_data_size; + unsigned int d_syn_start; + std::vector<int> d_syndrome_reg; + +public: + + fire_crc (unsigned int crc_size, unsigned int data_size); + ~fire_crc (); + int check_crc (const std::vector<int> &input_bits, + std::vector<int> &control_bits); + int syndrome_shift (unsigned int bit); + int rem (const int x, const int y); + +}; +#endif + +#endif |