Norimasa Okamoto / Mbed 2 deprecated BTstack

BTstack Bluetooth stack

Dependencies:   mbed USBHost

USBホストライブラリを変更しました。

  • Bluetoothマウス(VGP-BMS33)での動作を確認しました。mouse_demo.cpp

BTstack/utils.c@2:871b41f4789e, 2013-03-22 (annotated)

Committer:
va009039
Date:
Fri Mar 22 22:35:57 2013 +0000
Revision:
2:871b41f4789e
Parent:
0:1ed23ab1345f 
change to single thread

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 0:1ed23ab1345f 1 /*
va009039 0:1ed23ab1345f 2 * Copyright (C) 2009-2012 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 * 4. Any redistribution, use, or modification is done solely for
va009039 0:1ed23ab1345f 17 * personal benefit and not for any commercial purpose or for
va009039 0:1ed23ab1345f 18 * monetary gain.
va009039 0:1ed23ab1345f 19 *
va009039 0:1ed23ab1345f 20 * THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD AND CONTRIBUTORS
va009039 0:1ed23ab1345f 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
va009039 0:1ed23ab1345f 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
va009039 0:1ed23ab1345f 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
va009039 0:1ed23ab1345f 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
va009039 0:1ed23ab1345f 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
va009039 0:1ed23ab1345f 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
va009039 0:1ed23ab1345f 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
va009039 0:1ed23ab1345f 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
va009039 0:1ed23ab1345f 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
va009039 0:1ed23ab1345f 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
va009039 0:1ed23ab1345f 31 * SUCH DAMAGE.
va009039 0:1ed23ab1345f 32 *
va009039 0:1ed23ab1345f 33 * Please inquire about commercial licensing options at btstack@ringwald.ch
va009039 0:1ed23ab1345f 34 *
va009039 0:1ed23ab1345f 35 */
va009039 0:1ed23ab1345f 36
va009039 0:1ed23ab1345f 37 /*
va009039 0:1ed23ab1345f 38 * utils.c
va009039 0:1ed23ab1345f 39 *
va009039 0:1ed23ab1345f 40 * General utility functions
va009039 0:1ed23ab1345f 41 *
va009039 0:1ed23ab1345f 42 * Created by Matthias Ringwald on 7/23/09.
va009039 0:1ed23ab1345f 43 */
va009039 0:1ed23ab1345f 44
va009039 0:1ed23ab1345f 45 #include "config.h"
va009039 0:1ed23ab1345f 46 #include <btstack/utils.h>
va009039 0:1ed23ab1345f 47 #include <stdio.h>
va009039 0:1ed23ab1345f 48 #include "debug.h"
va009039 0:1ed23ab1345f 49
va009039 0:1ed23ab1345f 50 void bt_store_16(uint8_t *buffer, uint16_t pos, uint16_t value){
va009039 0:1ed23ab1345f 51 buffer[pos++] = value;
va009039 0:1ed23ab1345f 52 buffer[pos++] = value >> 8;
va009039 0:1ed23ab1345f 53 }
va009039 0:1ed23ab1345f 54
va009039 0:1ed23ab1345f 55 void bt_store_32(uint8_t *buffer, uint16_t pos, uint32_t value){
va009039 0:1ed23ab1345f 56 buffer[pos++] = value;
va009039 0:1ed23ab1345f 57 buffer[pos++] = value >> 8;
va009039 0:1ed23ab1345f 58 buffer[pos++] = value >> 16;
va009039 0:1ed23ab1345f 59 buffer[pos++] = value >> 24;
va009039 0:1ed23ab1345f 60 }
va009039 0:1ed23ab1345f 61
va009039 0:1ed23ab1345f 62 void net_store_16(uint8_t *buffer, uint16_t pos, uint16_t value){
va009039 0:1ed23ab1345f 63 buffer[pos++] = value >> 8;
va009039 0:1ed23ab1345f 64 buffer[pos++] = value;
va009039 0:1ed23ab1345f 65 }
va009039 0:1ed23ab1345f 66
va009039 0:1ed23ab1345f 67 void net_store_32(uint8_t *buffer, uint16_t pos, uint32_t value){
va009039 0:1ed23ab1345f 68 buffer[pos++] = value >> 24;
va009039 0:1ed23ab1345f 69 buffer[pos++] = value >> 16;
va009039 0:1ed23ab1345f 70 buffer[pos++] = value >> 8;
va009039 0:1ed23ab1345f 71 buffer[pos++] = value;
va009039 0:1ed23ab1345f 72 }
va009039 0:1ed23ab1345f 73
va009039 0:1ed23ab1345f 74 void bt_flip_addr(bd_addr_t dest, bd_addr_t src){
va009039 0:1ed23ab1345f 75 dest[0] = src[5];
va009039 0:1ed23ab1345f 76 dest[1] = src[4];
va009039 0:1ed23ab1345f 77 dest[2] = src[3];
va009039 0:1ed23ab1345f 78 dest[3] = src[2];
va009039 0:1ed23ab1345f 79 dest[4] = src[1];
va009039 0:1ed23ab1345f 80 dest[5] = src[0];
va009039 0:1ed23ab1345f 81 }
va009039 0:1ed23ab1345f 82
va009039 0:1ed23ab1345f 83 void hexdump(void *data, int size){
va009039 0:1ed23ab1345f 84 int i;
va009039 0:1ed23ab1345f 85 for (i=0; i<size;i++){
va009039 0:1ed23ab1345f 86 log_info("%02X ", ((uint8_t *)data)[i]);
va009039 0:1ed23ab1345f 87 }
va009039 0:1ed23ab1345f 88 log_info("\n");
va009039 0:1ed23ab1345f 89 }
va009039 0:1ed23ab1345f 90
va009039 0:1ed23ab1345f 91 void printUUID(uint8_t *uuid) {
va009039 0:1ed23ab1345f 92 log_info("%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
va009039 0:1ed23ab1345f 93 uuid[0], uuid[1], uuid[2], uuid[3], uuid[4], uuid[5], uuid[6], uuid[7],
va009039 0:1ed23ab1345f 94 uuid[8], uuid[9], uuid[10], uuid[11], uuid[12], uuid[13], uuid[14], uuid[15]);
va009039 0:1ed23ab1345f 95 }
va009039 0:1ed23ab1345f 96
va009039 0:1ed23ab1345f 97 static char bd_addr_to_str_buffer[6*3]; // 12:45:78:01:34:67\0
va009039 0:1ed23ab1345f 98 char * bd_addr_to_str(bd_addr_t addr){
va009039 0:1ed23ab1345f 99 sprintf(bd_addr_to_str_buffer, "%02x:%02x:%02x:%02x:%02x:%02x", addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
va009039 0:1ed23ab1345f 100 return (char *) bd_addr_to_str_buffer;
va009039 0:1ed23ab1345f 101 }
va009039 0:1ed23ab1345f 102
va009039 0:1ed23ab1345f 103 void print_bd_addr( bd_addr_t addr){
va009039 0:1ed23ab1345f 104 log_info("%s", bd_addr_to_str(addr));
va009039 0:1ed23ab1345f 105 }
va009039 0:1ed23ab1345f 106
va009039 0:1ed23ab1345f 107 #ifndef EMBEDDED
va009039 0:1ed23ab1345f 108 int sscan_bd_addr(uint8_t * addr_string, bd_addr_t addr){
va009039 0:1ed23ab1345f 109 unsigned int bd_addr_buffer[BD_ADDR_LEN]; //for sscanf, integer needed
va009039 0:1ed23ab1345f 110 // reset result buffer
va009039 0:1ed23ab1345f 111 int i;
va009039 0:1ed23ab1345f 112 for (i = 0; i < BD_ADDR_LEN; i++) {
va009039 0:1ed23ab1345f 113 bd_addr_buffer[i] = 0;
va009039 0:1ed23ab1345f 114 }
va009039 0:1ed23ab1345f 115
va009039 0:1ed23ab1345f 116 // parse
va009039 0:1ed23ab1345f 117 int result = sscanf( (char *) addr_string, "%2x:%2x:%2x:%2x:%2x:%2x", &bd_addr_buffer[0], &bd_addr_buffer[1], &bd_addr_buffer[2],
va009039 0:1ed23ab1345f 118 &bd_addr_buffer[3], &bd_addr_buffer[4], &bd_addr_buffer[5]);
va009039 0:1ed23ab1345f 119 // store
va009039 0:1ed23ab1345f 120 if (result == 6){
va009039 0:1ed23ab1345f 121 for (i = 0; i < BD_ADDR_LEN; i++) {
va009039 0:1ed23ab1345f 122 addr[i] = (uint8_t) bd_addr_buffer[i];
va009039 0:1ed23ab1345f 123 }
va009039 0:1ed23ab1345f 124 }
va009039 0:1ed23ab1345f 125 return (result == 6);
va009039 0:1ed23ab1345f 126 }
va009039 0:1ed23ab1345f 127 #endif
va009039 0:1ed23ab1345f 128
va009039 0:1ed23ab1345f 129 /*
va009039 0:1ed23ab1345f 130 * CRC (reversed crc) lookup table as calculated by the table generator in ETSI TS 101 369 V6.3.0.
va009039 0:1ed23ab1345f 131 */
va009039 0:1ed23ab1345f 132 static const uint8_t crc8table[256] = { /* reversed, 8-bit, poly=0x07 */
va009039 0:1ed23ab1345f 133 0x00, 0x91, 0xE3, 0x72, 0x07, 0x96, 0xE4, 0x75, 0x0E, 0x9F, 0xED, 0x7C, 0x09, 0x98, 0xEA, 0x7B,
va009039 0:1ed23ab1345f 134 0x1C, 0x8D, 0xFF, 0x6E, 0x1B, 0x8A, 0xF8, 0x69, 0x12, 0x83, 0xF1, 0x60, 0x15, 0x84, 0xF6, 0x67,
va009039 0:1ed23ab1345f 135 0x38, 0xA9, 0xDB, 0x4A, 0x3F, 0xAE, 0xDC, 0x4D, 0x36, 0xA7, 0xD5, 0x44, 0x31, 0xA0, 0xD2, 0x43,
va009039 0:1ed23ab1345f 136 0x24, 0xB5, 0xC7, 0x56, 0x23, 0xB2, 0xC0, 0x51, 0x2A, 0xBB, 0xC9, 0x58, 0x2D, 0xBC, 0xCE, 0x5F,
va009039 0:1ed23ab1345f 137 0x70, 0xE1, 0x93, 0x02, 0x77, 0xE6, 0x94, 0x05, 0x7E, 0xEF, 0x9D, 0x0C, 0x79, 0xE8, 0x9A, 0x0B,
va009039 0:1ed23ab1345f 138 0x6C, 0xFD, 0x8F, 0x1E, 0x6B, 0xFA, 0x88, 0x19, 0x62, 0xF3, 0x81, 0x10, 0x65, 0xF4, 0x86, 0x17,
va009039 0:1ed23ab1345f 139 0x48, 0xD9, 0xAB, 0x3A, 0x4F, 0xDE, 0xAC, 0x3D, 0x46, 0xD7, 0xA5, 0x34, 0x41, 0xD0, 0xA2, 0x33,
va009039 0:1ed23ab1345f 140 0x54, 0xC5, 0xB7, 0x26, 0x53, 0xC2, 0xB0, 0x21, 0x5A, 0xCB, 0xB9, 0x28, 0x5D, 0xCC, 0xBE, 0x2F,
va009039 0:1ed23ab1345f 141 0xE0, 0x71, 0x03, 0x92, 0xE7, 0x76, 0x04, 0x95, 0xEE, 0x7F, 0x0D, 0x9C, 0xE9, 0x78, 0x0A, 0x9B,
va009039 0:1ed23ab1345f 142 0xFC, 0x6D, 0x1F, 0x8E, 0xFB, 0x6A, 0x18, 0x89, 0xF2, 0x63, 0x11, 0x80, 0xF5, 0x64, 0x16, 0x87,
va009039 0:1ed23ab1345f 143 0xD8, 0x49, 0x3B, 0xAA, 0xDF, 0x4E, 0x3C, 0xAD, 0xD6, 0x47, 0x35, 0xA4, 0xD1, 0x40, 0x32, 0xA3,
va009039 0:1ed23ab1345f 144 0xC4, 0x55, 0x27, 0xB6, 0xC3, 0x52, 0x20, 0xB1, 0xCA, 0x5B, 0x29, 0xB8, 0xCD, 0x5C, 0x2E, 0xBF,
va009039 0:1ed23ab1345f 145 0x90, 0x01, 0x73, 0xE2, 0x97, 0x06, 0x74, 0xE5, 0x9E, 0x0F, 0x7D, 0xEC, 0x99, 0x08, 0x7A, 0xEB,
va009039 0:1ed23ab1345f 146 0x8C, 0x1D, 0x6F, 0xFE, 0x8B, 0x1A, 0x68, 0xF9, 0x82, 0x13, 0x61, 0xF0, 0x85, 0x14, 0x66, 0xF7,
va009039 0:1ed23ab1345f 147 0xA8, 0x39, 0x4B, 0xDA, 0xAF, 0x3E, 0x4C, 0xDD, 0xA6, 0x37, 0x45, 0xD4, 0xA1, 0x30, 0x42, 0xD3,
va009039 0:1ed23ab1345f 148 0xB4, 0x25, 0x57, 0xC6, 0xB3, 0x22, 0x50, 0xC1, 0xBA, 0x2B, 0x59, 0xC8, 0xBD, 0x2C, 0x5E, 0xCF
va009039 0:1ed23ab1345f 149 };
va009039 0:1ed23ab1345f 150
va009039 0:1ed23ab1345f 151 #define CRC8_INIT 0xFF // Initial FCS value
va009039 0:1ed23ab1345f 152 #define CRC8_OK 0xCF // Good final FCS value
va009039 0:1ed23ab1345f 153 /*-----------------------------------------------------------------------------------*/
va009039 0:1ed23ab1345f 154 uint8_t crc8(uint8_t *data, uint16_t len)
va009039 0:1ed23ab1345f 155 {
va009039 0:1ed23ab1345f 156 uint16_t count;
va009039 0:1ed23ab1345f 157 uint8_t crc = CRC8_INIT;
va009039 0:1ed23ab1345f 158 for (count = 0; count < len; count++)
va009039 0:1ed23ab1345f 159 crc = crc8table[crc ^ data[count]];
va009039 0:1ed23ab1345f 160 return crc;
va009039 0:1ed23ab1345f 161 }
va009039 0:1ed23ab1345f 162
va009039 0:1ed23ab1345f 163 /*-----------------------------------------------------------------------------------*/
va009039 0:1ed23ab1345f 164 uint8_t crc8_check(uint8_t *data, uint16_t len, uint8_t check_sum)
va009039 0:1ed23ab1345f 165 {
va009039 0:1ed23ab1345f 166 uint8_t crc;
va009039 0:1ed23ab1345f 167
va009039 0:1ed23ab1345f 168 crc = crc8(data, len);
va009039 0:1ed23ab1345f 169
va009039 0:1ed23ab1345f 170 crc = crc8table[crc ^ check_sum];
va009039 0:1ed23ab1345f 171 if (crc == CRC8_OK)
va009039 0:1ed23ab1345f 172 return 0; /* Valid */
va009039 0:1ed23ab1345f 173 else
va009039 0:1ed23ab1345f 174 return 1; /* Failed */
va009039 0:1ed23ab1345f 175
va009039 0:1ed23ab1345f 176 }
va009039 0:1ed23ab1345f 177
va009039 0:1ed23ab1345f 178 /*-----------------------------------------------------------------------------------*/
va009039 0:1ed23ab1345f 179 uint8_t crc8_calc(uint8_t *data, uint16_t len)
va009039 0:1ed23ab1345f 180 {
va009039 0:1ed23ab1345f 181 /* Ones complement */
va009039 0:1ed23ab1345f 182 return 0xFF - crc8(data, len);
va009039 0:1ed23ab1345f 183 }
va009039 0:1ed23ab1345f 184