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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2005-2006 Marcel Holtmann <marcel@holtmann.org>
*
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdint.h>
#include <string.h>
static int do_command(int fd, uint8_t ogf, uint16_t ocf,
uint8_t *cparam, int clen, uint8_t *rparam, int rlen)
{
uint16_t opcode = (uint16_t) ((ocf & 0x03ff) | (ogf << 10));
unsigned char cp[254], rp[254];
int len, size, offset = 3;
memset(cp, 0, sizeof(cp));
cp[0] = 0x01;
cp[1] = opcode & 0xff;
cp[2] = opcode >> 8;
cp[3] = 0x00;
if (write(fd, cp, 4) < 0)
return -1;
do {
if (read(fd, rp, 1) < 1)
return -1;
} while (rp[0] != 0x04);
if (read(fd, rp + 1, 2) < 2)
return -1;
do {
len = read(fd, rp + offset, sizeof(rp) - offset);
offset += len;
} while (offset < rp[2] + 3);
if (rp[0] != 0x04) {
errno = EIO;
return -1;
}
switch (rp[1]) {
case 0x0e:
if (rp[6] != 0x00)
return -ENXIO;
offset = 3 + 4;
size = rp[2] - 4;
break;
default:
offset = 3;
size = rp[2];
break;
}
if (!rparam || rlen < size)
return -ENXIO;
memcpy(rparam, rp + offset, size);
return size;
}
int stlc2500_init(int fd)
{
unsigned char buf[254];
int len;
len = do_command(fd, 0x04, 0x0001, NULL, 0, buf, sizeof(buf));
//printf("STLC2500 R%d.%d\n", buf[2], buf[1]);
len = do_command(fd, 0xff, 0x000f, NULL, 0, buf, sizeof(buf));
printf("%s\n", buf + 3);
return 0;
}
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