minimodem-mirror/src/databits_baudot.c

41 lines
1.2 KiB
C
Raw Normal View History

/*
* databits_baudot.c
*
* Copyright (C) 2012 Kamal Mostafa <kamal@whence.com>
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "databits.h"
/*
* Baudot 5-bit data databits decoder/encoder
*/
#include "baudot.h"
/* returns nbytes decoded */
unsigned int
databits_decode_baudot( char *dataout_p, unsigned int dataout_size,
unsigned long long bits, unsigned int n_databits )
{
if ( ! dataout_p ) { // databits processor reset: reset Baudot state
baudot_reset();
return 0;
}
bits &= 0x1F;
return baudot_decode(dataout_p, bits);
}