NetBSD/usr.sbin/btattach/init_unistone.c

123 lines
3.5 KiB
C

/* $NetBSD: init_unistone.c,v 1.1 2009/12/06 12:55:46 kiyohara Exp $ */
/*
* Copyright (c) 2009 KIYOHARA Takashi
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* init information in this file gleaned from hciattach(8)
* command from Gumstix's patch for BlueZ.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: init_unistone.c,v 1.1 2009/12/06 12:55:46 kiyohara Exp $");
#include <bluetooth.h>
#include <err.h>
#include <errno.h>
#include <stdlib.h>
#include <termios.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include "btattach.h"
#define HCI_CMD_INFINEON_SET_UART_BAUDRATE \
HCI_OPCODE(HCI_OGF_VENDOR, 0x006)
static int infineon_manufacturer_mode(int, int);
static int
infineon_manufacturer_mode(int fd, int enable)
{
hci_status_rp rp;
uint8_t cmd[2];
int n;
cmd[0] = enable;
cmd[1] = 0; /* No reset */
uart_send_cmd(fd, 0xfc11, cmd, sizeof(cmd));
n = uart_recv_cc(fd, 0xfc11, &rp, sizeof(rp));
if (n != sizeof(rp) || rp.status != 0x00)
errx(EXIT_FAILURE, "Manufacturer mode %s failed",
enable ? "enable" : "disable");
return 0;
}
void
init_unistone(int fd, unsigned int speed)
{
hci_command_status_ep cs;
struct termios tio;
uint8_t rate, v[2];
int n;
switch(speed) {
case B9600: rate = 0x00; break;
case B19200: rate = 0x01; break;
case B38400: rate = 0x02; break;
case B57600: rate = 0x03; break;
case B115200: rate = 0x04; break;
case B230400: rate = 0x05; break;
case B460800: rate = 0x06; break;
case B921600: rate = 0x07; break;
#if 0
case B1843200: rate = 0x08; break;
#endif
default:
errx(EXIT_FAILURE, "invalid speed for infineon unistone: %u\n",
speed);
}
if (tcgetattr(fd, &tio) != 0)
err(EXIT_FAILURE, "can't get baud rate");
infineon_manufacturer_mode(fd, 1);
uart_send_cmd(fd, HCI_CMD_INFINEON_SET_UART_BAUDRATE, &rate,
sizeof(rate));
n = uart_recv_ev(fd, HCI_EVENT_COMMAND_STATUS, &cs, sizeof(cs));
if (n != sizeof(cs) ||
cs.status != 0x00 ||
cs.opcode != HCI_CMD_INFINEON_SET_UART_BAUDRATE)
errx(EXIT_FAILURE, "Set_UART_Baudrate failed\n");
if (cfsetspeed(&tio, speed) != 0 ||
tcsetattr(fd, TCSANOW, &tio) != 0)
err(EXIT_FAILURE, "can't change baud rate");
n = uart_recv_ev(fd, HCI_EVENT_VENDOR, &v, sizeof(v));
if (n != sizeof(v) ||
v[0] != 0x12 ||
v[1] != 0x00)
errx(EXIT_FAILURE, "Set_UART_Baudrate not complete\n");
infineon_manufacturer_mode(fd, 0);
}