1/* $NetBSD: init_bcm2035.c,v 1.2 2009/04/15 00:32:23 lukem Exp $ */ 2 3/*- 4 * Copyright (c) 2008 Iain Hibbert 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28/* 29 * init information in this file gleaned from hciattach(8) 30 * command from BlueZ for Linux - see http://www.bluez.org/ 31 */ 32 33#include <sys/cdefs.h> 34__RCSID("$NetBSD: init_bcm2035.c,v 1.2 2009/04/15 00:32:23 lukem Exp $"); 35 36#include <bluetooth.h> 37#include <err.h> 38#include <errno.h> 39#include <stdlib.h> 40#include <termios.h> 41 42#include "btattach.h" 43 44#define HCI_CMD_BCM2035_SET_UART_BAUD_RATE \ 45 HCI_OPCODE(HCI_OGF_VENDOR, 0x018) 46 47#define HCI_CMD_BCM2035_SET_BDADDR \ 48 HCI_OPCODE(HCI_OGF_VENDOR, 0x001) 49 50void 51init_bcm2035(int fd, unsigned int speed) 52{ 53 uint16_t rate; 54 55 uart_send_cmd(fd, HCI_CMD_RESET, NULL, 0); 56 57 uart_recv_cc(fd, HCI_CMD_RESET, NULL, 0); 58 /* assume it succeeded? */ 59 60 /* can also set the bdaddr */ 61 62 switch(speed) { 63 case B57600: rate = 0xe600; break; 64 case B115200: rate = 0xf300; break; 65 case B230400: rate = 0xfa22; break; 66 case B460800: rate = 0xfd22; break; 67 case B921600: rate = 0xff55; break; 68 default: 69 errx(EXIT_FAILURE, "invalid speed for bcm2035: %u", speed); 70 }; 71 72 rate = htole16(rate); 73 uart_send_cmd(fd, HCI_CMD_BCM2035_SET_UART_BAUD_RATE, &rate, sizeof(rate)); 74 uart_recv_cc(fd, HCI_CMD_BCM2035_SET_UART_BAUD_RATE, NULL, 0); 75 /* assume it succeeded? */ 76} 77