77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
/* $NetBSD: init_bcm2035.c,v 1.2 2009/04/15 00:32:23 lukem Exp $ */
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/*-
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* Copyright (c) 2008 Iain Hibbert
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* init information in this file gleaned from hciattach(8)
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* command from BlueZ for Linux - see http://www.bluez.org/
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*/
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: init_bcm2035.c,v 1.2 2009/04/15 00:32:23 lukem Exp $");
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#include <bluetooth.h>
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#include <err.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <termios.h>
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#include "btattach.h"
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#define HCI_CMD_BCM2035_SET_UART_BAUD_RATE \
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HCI_OPCODE(HCI_OGF_VENDOR, 0x018)
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#define HCI_CMD_BCM2035_SET_BDADDR \
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HCI_OPCODE(HCI_OGF_VENDOR, 0x001)
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void
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init_bcm2035(int fd, unsigned int speed)
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{
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uint16_t rate;
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uart_send_cmd(fd, HCI_CMD_RESET, NULL, 0);
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uart_recv_cc(fd, HCI_CMD_RESET, NULL, 0);
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/* assume it succeeded? */
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/* can also set the bdaddr */
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switch(speed) {
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case B57600: rate = 0xe600; break;
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case B115200: rate = 0xf300; break;
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case B230400: rate = 0xfa22; break;
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case B460800: rate = 0xfd22; break;
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case B921600: rate = 0xff55; break;
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default:
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errx(EXIT_FAILURE, "invalid speed for bcm2035: %u\n", speed);
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};
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rate = htole16(rate);
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uart_send_cmd(fd, HCI_CMD_BCM2035_SET_UART_BAUD_RATE, &rate, sizeof(rate));
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uart_recv_cc(fd, HCI_CMD_BCM2035_SET_UART_BAUD_RATE, NULL, 0);
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/* assume it succeeded? */
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}
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