convbin.c

/*
 *  Linux DMR Master server
    Copyright (C) 2014 Wim Hofman

    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 2 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, write to the Free Software Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/


#include "master_server.h"

bool *convertToBits(const unsigned char packet[34]) {
    static bool bits[264];
    unsigned char convPacket[33];
    unsigned char dmrPacket[100];
    int i, x;

    memset(dmrPacket, 0, 100);
    //bit invert
    for (i = 0; i < 32; i = i + 2) {
        convPacket[i] = *(packet + i + 1);
        convPacket[i + 1] = *(packet + i);
        if (debug == 1) sprintf(dmrPacket, "%s%02x:%02x:", dmrPacket, convPacket[i], convPacket[i + 1]);
    }
    convPacket[32] = *(packet + 33);
    if (debug == 1) syslog(LOG_NOTICE, "[convertToBits]DMR packet:%s", dmrPacket);
    //convert to bits
    for (i = 0; i < 33; i++) {
        for (x = 0; x < 8; x++) {
            bits[(7 - x) + (8 * i)] = (convPacket[i] >> x) & 1;
        }
    }

    return bits;
}