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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 <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <dirent.h>
static int debug = 0;
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[260], rp[260];
int len, size, offset = 3;
cp[0] = 0x01;
cp[1] = ocf & 0xff;
cp[2] = ogf << 2 | ocf >> 8;
cp[3] = clen;
if (clen > 0)
memcpy(cp + 4, cparam, clen);
if (debug) {
int i;
printf("[<");
for (i = 0; i < clen + 4; i++)
printf(" %02x", cp[i]);
printf("]\n");
}
if (write(fd, cp, clen + 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 (debug) {
int i;
printf("[>");
for (i = 0; i < offset; i++)
printf(" %02x", rp[i]);
printf("]\n");
}
if (rp[0] != 0x04) {
errno = EIO;
return -1;
}
switch (rp[1]) {
case 0x0e: /* command complete */
if (rp[6] != 0x00)
return -ENXIO;
offset = 3 + 4;
size = rp[2] - 4;
break;
case 0x0f: /* command status */
/* fall through */
default:
offset = 3;
size = rp[2];
break;
}
if (!rparam || rlen < size)
return -ENXIO;
memcpy(rparam, rp + offset, size);
return size;
}
static int load_file(int dd, uint16_t version, const char *suffix)
{
DIR *dir;
struct dirent *d;
char pathname[PATH_MAX], filename[NAME_MAX], prefix[20];
unsigned char cmd[256];
unsigned char buf[256];
uint8_t seqnum = 0;
int fd, size, len;
memset(filename, 0, sizeof(filename));
snprintf(prefix, sizeof(prefix), "STLC2500_R%d_%02d_",
version >> 8, version & 0xff);
strcpy(pathname, "/lib/firmware");
dir = opendir(pathname);
if (!dir) {
strcpy(pathname, ".");
dir = opendir(pathname);
if (!dir)
return -errno;
}
while (1) {
d = readdir(dir);
if (!d)
break;
if (strncmp(d->d_name + strlen(d->d_name) - strlen(suffix),
suffix, strlen(suffix)))
continue;
if (strncmp(d->d_name, prefix, strlen(prefix)))
continue;
snprintf(filename, sizeof(filename), "%s/%s",
pathname, d->d_name);
}
closedir(dir);
printf("Loading file %s\n", filename);
fd = open(filename, O_RDONLY);
if (fd < 0) {
perror("Can't open firmware file");
return -errno;
}
while (1) {
size = read(fd, cmd + 1, 254);
if (size <= 0)
break;
cmd[0] = seqnum;
len = do_command(dd, 0xff, 0x002e, cmd, size + 1, buf, sizeof(buf));
if (len < 1)
break;
if (buf[0] != seqnum) {
fprintf(stderr, "Sequence number mismatch\n");
break;
}
seqnum++;
}
close(fd);
return 0;
}
int stlc2500_init(int dd)
{
unsigned char cmd[16];
unsigned char buf[254];
uint16_t version;
int len;
len = do_command(dd, 0x04, 0x0001, NULL, 0, buf, sizeof(buf));
if (len < 0)
return -1;
version = buf[2] << 8 | buf[1];
if (load_file(dd, version, ".ptc") < 0)
return -1;
len = do_command(dd, 0x03, 0x0003, NULL, 0, buf, sizeof(buf));
if (len < 0)
return -1;
if (load_file(dd, buf[2] << 8 | buf[1], ".ssf") < 0)
return -1;
len = do_command(dd, 0x03, 0x0003, NULL, 0, buf, sizeof(buf));
if (len < 0)
return -1;
len = do_command(dd, 0xff, 0x000f, NULL, 0, buf, sizeof(buf));
if (len < 0)
return -1;
printf("%s\n", buf);
cmd[0] = 0xfe;
cmd[1] = 0x06;
cmd[2] = 0xba;
cmd[3] = 0xab;
cmd[4] = 0x00;
cmd[5] = 0xe1;
cmd[6] = 0x80;
cmd[7] = 0x00;
len = do_command(dd, 0xff, 0x0022, cmd, 8, buf, sizeof(buf));
if (len < 0)
return -1;
len = do_command(dd, 0x03, 0x0003, NULL, 0, buf, sizeof(buf));
if (len < 0)
return -1;
return 0;
}
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