1 /* $NetBSD: init_st.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_st.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_ST_SET_UART_BAUD_RATE \ 45 HCI_OPCODE(HCI_OGF_VENDOR, 0x046) 46 47 void 48 init_st(int fd, unsigned int speed) 49 { 50 uint8_t rate; 51 52 switch(speed) { 53 case B9600: rate = 0x09; break; 54 case B19200: rate = 0x0b; break; 55 case B38400: rate = 0x0d; break; 56 case B57600: rate = 0x0e; break; 57 case B115200: rate = 0x10; break; 58 case B230400: rate = 0x12; break; 59 case B460800: rate = 0x13; break; 60 case B921600: rate = 0x14; break; 61 default: 62 errx(EXIT_FAILURE, "invalid speed for st: %u\n", speed); 63 } 64 65 uart_send_cmd(fd, HCI_CMD_ST_SET_UART_BAUD_RATE, &rate, sizeof(rate)); 66 /* wait for response? */ 67 /* assume it succeeded? */ 68 } 69