https://mbed.org/forum/ja/topic/4890/

Dependencies:   USBHost mbed

Fork of BTstack by Norimasa Okamoto

Committer:
va009039
Date:
Tue Jun 26 14:27:45 2012 +0000
Revision:
0:1ed23ab1345f
fix overflow spp_service_buffer

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 0:1ed23ab1345f 1 /*
va009039 0:1ed23ab1345f 2 * Copyright (C) 2009 by Matthias Ringwald
va009039 0:1ed23ab1345f 3 *
va009039 0:1ed23ab1345f 4 * Redistribution and use in source and binary forms, with or without
va009039 0:1ed23ab1345f 5 * modification, are permitted provided that the following conditions
va009039 0:1ed23ab1345f 6 * are met:
va009039 0:1ed23ab1345f 7 *
va009039 0:1ed23ab1345f 8 * 1. Redistributions of source code must retain the above copyright
va009039 0:1ed23ab1345f 9 * notice, this list of conditions and the following disclaimer.
va009039 0:1ed23ab1345f 10 * 2. Redistributions in binary form must reproduce the above copyright
va009039 0:1ed23ab1345f 11 * notice, this list of conditions and the following disclaimer in the
va009039 0:1ed23ab1345f 12 * documentation and/or other materials provided with the distribution.
va009039 0:1ed23ab1345f 13 * 3. Neither the name of the copyright holders nor the names of
va009039 0:1ed23ab1345f 14 * contributors may be used to endorse or promote products derived
va009039 0:1ed23ab1345f 15 * from this software without specific prior written permission.
va009039 0:1ed23ab1345f 16 *
va009039 0:1ed23ab1345f 17 * THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD AND CONTRIBUTORS
va009039 0:1ed23ab1345f 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
va009039 0:1ed23ab1345f 19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
va009039 0:1ed23ab1345f 20 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
va009039 0:1ed23ab1345f 21 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
va009039 0:1ed23ab1345f 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
va009039 0:1ed23ab1345f 23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
va009039 0:1ed23ab1345f 24 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
va009039 0:1ed23ab1345f 25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
va009039 0:1ed23ab1345f 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
va009039 0:1ed23ab1345f 27 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
va009039 0:1ed23ab1345f 28 * SUCH DAMAGE.
va009039 0:1ed23ab1345f 29 *
va009039 0:1ed23ab1345f 30 */
va009039 0:1ed23ab1345f 31
va009039 0:1ed23ab1345f 32 /*
va009039 0:1ed23ab1345f 33 * utils.h
va009039 0:1ed23ab1345f 34 *
va009039 0:1ed23ab1345f 35 * General utility functions
va009039 0:1ed23ab1345f 36 *
va009039 0:1ed23ab1345f 37 * Created by Matthias Ringwald on 7/23/09.
va009039 0:1ed23ab1345f 38 */
va009039 0:1ed23ab1345f 39
va009039 0:1ed23ab1345f 40 #pragma once
va009039 0:1ed23ab1345f 41
va009039 0:1ed23ab1345f 42
va009039 0:1ed23ab1345f 43 #if defined __cplusplus
va009039 0:1ed23ab1345f 44 extern "C" {
va009039 0:1ed23ab1345f 45 #endif
va009039 0:1ed23ab1345f 46
va009039 0:1ed23ab1345f 47 #include <stdint.h>
va009039 0:1ed23ab1345f 48
va009039 0:1ed23ab1345f 49 /**
va009039 0:1ed23ab1345f 50 * @brief hci connection handle type
va009039 0:1ed23ab1345f 51 */
va009039 0:1ed23ab1345f 52 typedef uint16_t hci_con_handle_t;
va009039 0:1ed23ab1345f 53
va009039 0:1ed23ab1345f 54 /**
va009039 0:1ed23ab1345f 55 * @brief Length of a bluetooth device address.
va009039 0:1ed23ab1345f 56 */
va009039 0:1ed23ab1345f 57 #define BD_ADDR_LEN 6
va009039 0:1ed23ab1345f 58 typedef uint8_t bd_addr_t[BD_ADDR_LEN];
va009039 0:1ed23ab1345f 59
va009039 0:1ed23ab1345f 60 /**
va009039 0:1ed23ab1345f 61 * @brief The link key type
va009039 0:1ed23ab1345f 62 */
va009039 0:1ed23ab1345f 63 #define LINK_KEY_LEN 16
va009039 0:1ed23ab1345f 64 typedef uint8_t link_key_t[LINK_KEY_LEN];
va009039 0:1ed23ab1345f 65
va009039 0:1ed23ab1345f 66 /**
va009039 0:1ed23ab1345f 67 * @brief The device name type
va009039 0:1ed23ab1345f 68 */
va009039 0:1ed23ab1345f 69 #define DEVICE_NAME_LEN 248
va009039 0:1ed23ab1345f 70 typedef uint8_t device_name_t[DEVICE_NAME_LEN+1];
va009039 0:1ed23ab1345f 71
va009039 0:1ed23ab1345f 72
va009039 0:1ed23ab1345f 73 // helper for BT little endian format
va009039 0:1ed23ab1345f 74 #define READ_BT_16( buffer, pos) ( ((uint16_t) buffer[pos]) | (((uint16_t)buffer[pos+1]) << 8))
va009039 0:1ed23ab1345f 75 #define READ_BT_24( buffer, pos) ( ((uint32_t) buffer[pos]) | (((uint32_t)buffer[pos+1]) << 8) | (((uint32_t)buffer[pos+2]) << 16))
va009039 0:1ed23ab1345f 76 #define READ_BT_32( buffer, pos) ( ((uint32_t) buffer[pos]) | (((uint32_t)buffer[pos+1]) << 8) | (((uint32_t)buffer[pos+2]) << 16) | (((uint32_t) buffer[pos+3])) << 24)
va009039 0:1ed23ab1345f 77
va009039 0:1ed23ab1345f 78 // helper for SDP big endian format
va009039 0:1ed23ab1345f 79 #define READ_NET_16( buffer, pos) ( ((uint16_t) buffer[pos+1]) | (((uint16_t)buffer[pos ]) << 8))
va009039 0:1ed23ab1345f 80 #define READ_NET_32( buffer, pos) ( ((uint32_t) buffer[pos+3]) | (((uint32_t)buffer[pos+2]) << 8) | (((uint32_t)buffer[pos+1]) << 16) | (((uint32_t) buffer[pos])) << 24)
va009039 0:1ed23ab1345f 81
va009039 0:1ed23ab1345f 82 // HCI CMD OGF/OCF
va009039 0:1ed23ab1345f 83 #define READ_CMD_OGF(buffer) (buffer[1] >> 2)
va009039 0:1ed23ab1345f 84 #define READ_CMD_OCF(buffer) ((buffer[1] & 0x03) << 8 | buffer[0])
va009039 0:1ed23ab1345f 85
va009039 0:1ed23ab1345f 86 // check if command complete event for given command
va009039 0:1ed23ab1345f 87 #define COMMAND_COMPLETE_EVENT(event,cmd) ( event[0] == HCI_EVENT_COMMAND_COMPLETE && READ_BT_16(event,3) == cmd.opcode)
va009039 0:1ed23ab1345f 88 #define COMMAND_STATUS_EVENT(event,cmd) ( event[0] == HCI_EVENT_COMMAND_STATUS && READ_BT_16(event,4) == cmd.opcode)
va009039 0:1ed23ab1345f 89
va009039 0:1ed23ab1345f 90 // Code+Len=2, Pkts+Opcode=3; total=5
va009039 0:1ed23ab1345f 91 #define OFFSET_OF_DATA_IN_COMMAND_COMPLETE 5
va009039 0:1ed23ab1345f 92
va009039 0:1ed23ab1345f 93 // ACL Packet
va009039 0:1ed23ab1345f 94 #define READ_ACL_CONNECTION_HANDLE( buffer ) ( READ_BT_16(buffer,0) & 0x0fff)
va009039 0:1ed23ab1345f 95 #define READ_ACL_FLAGS( buffer ) ( buffer[1] >> 4 )
va009039 0:1ed23ab1345f 96 #define READ_ACL_LENGTH( buffer ) (READ_BT_16(buffer, 2))
va009039 0:1ed23ab1345f 97
va009039 0:1ed23ab1345f 98 // L2CAP Packet
va009039 0:1ed23ab1345f 99 #define READ_L2CAP_LENGTH(buffer) ( READ_BT_16(buffer, 4))
va009039 0:1ed23ab1345f 100 #define READ_L2CAP_CHANNEL_ID(buffer) ( READ_BT_16(buffer, 6))
va009039 0:1ed23ab1345f 101
va009039 0:1ed23ab1345f 102 void bt_store_16(uint8_t *buffer, uint16_t pos, uint16_t value);
va009039 0:1ed23ab1345f 103 void bt_store_32(uint8_t *buffer, uint16_t pos, uint32_t value);
va009039 0:1ed23ab1345f 104 void bt_flip_addr(bd_addr_t dest, bd_addr_t src);
va009039 0:1ed23ab1345f 105
va009039 0:1ed23ab1345f 106 void net_store_16(uint8_t *buffer, uint16_t pos, uint16_t value);
va009039 0:1ed23ab1345f 107 void net_store_32(uint8_t *buffer, uint16_t pos, uint32_t value);
va009039 0:1ed23ab1345f 108
va009039 0:1ed23ab1345f 109 void hexdump(void *data, int size);
va009039 0:1ed23ab1345f 110 void printUUID(uint8_t *uuid);
va009039 0:1ed23ab1345f 111
va009039 0:1ed23ab1345f 112 // @deprecated please use more convenient bd_addr_to_str
va009039 0:1ed23ab1345f 113 void print_bd_addr( bd_addr_t addr);
va009039 0:1ed23ab1345f 114 char * bd_addr_to_str(bd_addr_t addr);
va009039 0:1ed23ab1345f 115
va009039 0:1ed23ab1345f 116 int sscan_bd_addr(uint8_t * addr_string, bd_addr_t addr);
va009039 0:1ed23ab1345f 117
va009039 0:1ed23ab1345f 118 uint8_t crc8_check(uint8_t *data, uint16_t len, uint8_t check_sum);
va009039 0:1ed23ab1345f 119 uint8_t crc8_calc(uint8_t *data, uint16_t len);
va009039 0:1ed23ab1345f 120
va009039 0:1ed23ab1345f 121 #define BD_ADDR_CMP(a,b) memcmp(a,b, BD_ADDR_LEN)
va009039 0:1ed23ab1345f 122 #define BD_ADDR_COPY(dest,src) memcpy(dest,src,BD_ADDR_LEN)
va009039 0:1ed23ab1345f 123
va009039 0:1ed23ab1345f 124 #if defined __cplusplus
va009039 0:1ed23ab1345f 125 }
va009039 0:1ed23ab1345f 126 #endif
va009039 0:1ed23ab1345f 127