![](/media/cache/profiles/bf201d5407a6509fa536afc4b380577e.50x50_q85.jpg)
BLE demo for mbed Ported RunningElectronics's SBDBT firmware for BLE. It can communicate with iOS
Dependencies: FatFileSystem mbed
Fork of BTstack by
BTstack/att.c@6:cf06ba884429, 2013-02-20 (annotated)
- Committer:
- todotani
- Date:
- Wed Feb 20 14:18:38 2013 +0000
- Revision:
- 6:cf06ba884429
- Parent:
- 1:6078e430af82
Change tick timer to 1ms. Change attribute 0xFFF1 as read of DigitalIn p5
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
todotani | 1:6078e430af82 | 1 | /* |
todotani | 1:6078e430af82 | 2 | * Copyright (C) 2011-2012 by Matthias Ringwald |
todotani | 1:6078e430af82 | 3 | * |
todotani | 1:6078e430af82 | 4 | * Redistribution and use in source and binary forms, with or without |
todotani | 1:6078e430af82 | 5 | * modification, are permitted provided that the following conditions |
todotani | 1:6078e430af82 | 6 | * are met: |
todotani | 1:6078e430af82 | 7 | * |
todotani | 1:6078e430af82 | 8 | * 1. Redistributions of source code must retain the above copyright |
todotani | 1:6078e430af82 | 9 | * notice, this list of conditions and the following disclaimer. |
todotani | 1:6078e430af82 | 10 | * 2. Redistributions in binary form must reproduce the above copyright |
todotani | 1:6078e430af82 | 11 | * notice, this list of conditions and the following disclaimer in the |
todotani | 1:6078e430af82 | 12 | * documentation and/or other materials provided with the distribution. |
todotani | 1:6078e430af82 | 13 | * 3. Neither the name of the copyright holders nor the names of |
todotani | 1:6078e430af82 | 14 | * contributors may be used to endorse or promote products derived |
todotani | 1:6078e430af82 | 15 | * from this software without specific prior written permission. |
todotani | 1:6078e430af82 | 16 | * 4. Any redistribution, use, or modification is done solely for |
todotani | 1:6078e430af82 | 17 | * personal benefit and not for any commercial purpose or for |
todotani | 1:6078e430af82 | 18 | * monetary gain. |
todotani | 1:6078e430af82 | 19 | * |
todotani | 1:6078e430af82 | 20 | * THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD AND CONTRIBUTORS |
todotani | 1:6078e430af82 | 21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
todotani | 1:6078e430af82 | 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
todotani | 1:6078e430af82 | 23 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS |
todotani | 1:6078e430af82 | 24 | * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
todotani | 1:6078e430af82 | 25 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
todotani | 1:6078e430af82 | 26 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
todotani | 1:6078e430af82 | 27 | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
todotani | 1:6078e430af82 | 28 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
todotani | 1:6078e430af82 | 29 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF |
todotani | 1:6078e430af82 | 30 | * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
todotani | 1:6078e430af82 | 31 | * SUCH DAMAGE. |
todotani | 1:6078e430af82 | 32 | * |
todotani | 1:6078e430af82 | 33 | * Please inquire about commercial licensing options at btstack@ringwald.ch |
todotani | 1:6078e430af82 | 34 | * |
todotani | 1:6078e430af82 | 35 | */ |
todotani | 1:6078e430af82 | 36 | |
todotani | 1:6078e430af82 | 37 | #include <stdio.h> |
todotani | 1:6078e430af82 | 38 | #include <string.h> |
todotani | 1:6078e430af82 | 39 | |
todotani | 1:6078e430af82 | 40 | #include "att.h" |
todotani | 6:cf06ba884429 | 41 | #include "debug.h" |
todotani | 1:6078e430af82 | 42 | |
todotani | 1:6078e430af82 | 43 | // from src/utils. |
todotani | 1:6078e430af82 | 44 | #define READ_BT_16( buffer, pos) ( ((uint16_t) buffer[pos]) | (((uint16_t)buffer[pos+1]) << 8)) |
todotani | 1:6078e430af82 | 45 | |
todotani | 1:6078e430af82 | 46 | // Buetooth Base UUID 00000000-0000-1000-8000-00805F9B34FB in little endian |
todotani | 1:6078e430af82 | 47 | static const uint8_t bluetooth_base_uuid[] = { 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; |
todotani | 1:6078e430af82 | 48 | |
todotani | 1:6078e430af82 | 49 | static void bt_store_16(uint8_t *buffer, uint16_t pos, uint16_t value){ |
todotani | 1:6078e430af82 | 50 | buffer[pos++] = value; |
todotani | 1:6078e430af82 | 51 | buffer[pos++] = value >> 8; |
todotani | 1:6078e430af82 | 52 | } |
todotani | 1:6078e430af82 | 53 | |
todotani | 1:6078e430af82 | 54 | static void hexdump2(void const *data, int size){ |
todotani | 1:6078e430af82 | 55 | int i; |
todotani | 1:6078e430af82 | 56 | for (i=0; i<size;i++){ |
todotani | 6:cf06ba884429 | 57 | log_info("%02X ", ((uint8_t *)data)[i]); |
todotani | 1:6078e430af82 | 58 | } |
todotani | 6:cf06ba884429 | 59 | log_info("\n"); |
todotani | 1:6078e430af82 | 60 | } |
todotani | 1:6078e430af82 | 61 | |
todotani | 1:6078e430af82 | 62 | static void printUUID128(const uint8_t * uuid){ |
todotani | 1:6078e430af82 | 63 | int i; |
todotani | 1:6078e430af82 | 64 | for (i=15; i >= 0 ; i--){ |
todotani | 6:cf06ba884429 | 65 | log_info("%02X", uuid[i]); |
todotani | 1:6078e430af82 | 66 | switch (i){ |
todotani | 1:6078e430af82 | 67 | case 4: |
todotani | 1:6078e430af82 | 68 | case 6: |
todotani | 1:6078e430af82 | 69 | case 8: |
todotani | 1:6078e430af82 | 70 | case 10: |
todotani | 6:cf06ba884429 | 71 | log_info("-"); |
todotani | 1:6078e430af82 | 72 | break; |
todotani | 1:6078e430af82 | 73 | default: |
todotani | 1:6078e430af82 | 74 | break; |
todotani | 1:6078e430af82 | 75 | } |
todotani | 1:6078e430af82 | 76 | } |
todotani | 1:6078e430af82 | 77 | } |
todotani | 1:6078e430af82 | 78 | |
todotani | 1:6078e430af82 | 79 | static int is_Bluetooth_Base_UUID(uint8_t const *uuid){ |
todotani | 1:6078e430af82 | 80 | if (memcmp(&uuid[0], &bluetooth_base_uuid[0], 12)) return 0; |
todotani | 1:6078e430af82 | 81 | if (memcmp(&uuid[14], &bluetooth_base_uuid[14], 2)) return 0; |
todotani | 1:6078e430af82 | 82 | return 1; |
todotani | 1:6078e430af82 | 83 | |
todotani | 1:6078e430af82 | 84 | } |
todotani | 1:6078e430af82 | 85 | |
todotani | 1:6078e430af82 | 86 | // ATT Database |
todotani | 1:6078e430af82 | 87 | static uint8_t const * att_db = NULL; |
todotani | 1:6078e430af82 | 88 | static att_read_callback_t att_read_callback = NULL; |
todotani | 1:6078e430af82 | 89 | static att_write_callback_t att_write_callback = NULL; |
todotani | 1:6078e430af82 | 90 | |
todotani | 1:6078e430af82 | 91 | // new java-style iterator |
todotani | 1:6078e430af82 | 92 | typedef struct att_iterator { |
todotani | 1:6078e430af82 | 93 | // private |
todotani | 1:6078e430af82 | 94 | uint8_t const * att_ptr; |
todotani | 1:6078e430af82 | 95 | // public |
todotani | 1:6078e430af82 | 96 | uint16_t size; |
todotani | 1:6078e430af82 | 97 | uint16_t flags; |
todotani | 1:6078e430af82 | 98 | uint16_t handle; |
todotani | 1:6078e430af82 | 99 | uint8_t const * uuid; |
todotani | 1:6078e430af82 | 100 | uint16_t value_len; |
todotani | 1:6078e430af82 | 101 | uint8_t const * value; |
todotani | 1:6078e430af82 | 102 | } att_iterator_t; |
todotani | 1:6078e430af82 | 103 | |
todotani | 1:6078e430af82 | 104 | void att_iterator_init(att_iterator_t *it){ |
todotani | 1:6078e430af82 | 105 | it->att_ptr = att_db; |
todotani | 1:6078e430af82 | 106 | } |
todotani | 1:6078e430af82 | 107 | |
todotani | 1:6078e430af82 | 108 | int att_iterator_has_next(att_iterator_t *it){ |
todotani | 1:6078e430af82 | 109 | return it->att_ptr != NULL; |
todotani | 1:6078e430af82 | 110 | } |
todotani | 1:6078e430af82 | 111 | |
todotani | 1:6078e430af82 | 112 | void att_iterator_fetch_next(att_iterator_t *it){ |
todotani | 1:6078e430af82 | 113 | it->size = READ_BT_16(it->att_ptr, 0); |
todotani | 1:6078e430af82 | 114 | if (it->size == 0){ |
todotani | 1:6078e430af82 | 115 | it->flags = 0; |
todotani | 1:6078e430af82 | 116 | it->handle = 0; |
todotani | 1:6078e430af82 | 117 | it->uuid = NULL; |
todotani | 1:6078e430af82 | 118 | it->value_len = 0; |
todotani | 1:6078e430af82 | 119 | it->value = NULL; |
todotani | 1:6078e430af82 | 120 | it->att_ptr = NULL; |
todotani | 1:6078e430af82 | 121 | return; |
todotani | 1:6078e430af82 | 122 | } |
todotani | 1:6078e430af82 | 123 | it->flags = READ_BT_16(it->att_ptr, 2); |
todotani | 1:6078e430af82 | 124 | it->handle = READ_BT_16(it->att_ptr, 4); |
todotani | 1:6078e430af82 | 125 | it->uuid = &it->att_ptr[6]; |
todotani | 1:6078e430af82 | 126 | // handle 128 bit UUIDs |
todotani | 1:6078e430af82 | 127 | if (it->flags & ATT_PROPERTY_UUID128){ |
todotani | 1:6078e430af82 | 128 | it->value_len = it->size - 22; |
todotani | 1:6078e430af82 | 129 | it->value = &it->att_ptr[22]; |
todotani | 1:6078e430af82 | 130 | } else { |
todotani | 1:6078e430af82 | 131 | it->value_len = it->size - 8; |
todotani | 1:6078e430af82 | 132 | it->value = &it->att_ptr[8]; |
todotani | 1:6078e430af82 | 133 | } |
todotani | 1:6078e430af82 | 134 | // advance AFTER setting values |
todotani | 1:6078e430af82 | 135 | it->att_ptr += it->size; |
todotani | 1:6078e430af82 | 136 | } |
todotani | 1:6078e430af82 | 137 | |
todotani | 1:6078e430af82 | 138 | int att_iterator_match_uuid16(att_iterator_t *it, uint16_t uuid){ |
todotani | 1:6078e430af82 | 139 | if (it->handle == 0) return 0; |
todotani | 1:6078e430af82 | 140 | if (it->flags & ATT_PROPERTY_UUID128){ |
todotani | 1:6078e430af82 | 141 | if (!is_Bluetooth_Base_UUID(it->uuid)) return 0; |
todotani | 1:6078e430af82 | 142 | return READ_BT_16(it->uuid, 12) == uuid; |
todotani | 1:6078e430af82 | 143 | } |
todotani | 1:6078e430af82 | 144 | return READ_BT_16(it->uuid, 0) == uuid; |
todotani | 1:6078e430af82 | 145 | } |
todotani | 1:6078e430af82 | 146 | |
todotani | 1:6078e430af82 | 147 | int att_iterator_match_uuid(att_iterator_t *it, uint8_t *uuid, uint16_t uuid_len){ |
todotani | 1:6078e430af82 | 148 | if (it->handle == 0) return 0; |
todotani | 1:6078e430af82 | 149 | // input: UUID16 |
todotani | 1:6078e430af82 | 150 | if (uuid_len == 2) { |
todotani | 1:6078e430af82 | 151 | return att_iterator_match_uuid16(it, READ_BT_16(uuid, 0)); |
todotani | 1:6078e430af82 | 152 | } |
todotani | 1:6078e430af82 | 153 | // input and db: UUID128 |
todotani | 1:6078e430af82 | 154 | if (it->flags & ATT_PROPERTY_UUID128){ |
todotani | 1:6078e430af82 | 155 | return memcmp(it->uuid, uuid, 16) == 0; |
todotani | 1:6078e430af82 | 156 | } |
todotani | 1:6078e430af82 | 157 | // input: UUID128, db: UUID16 |
todotani | 1:6078e430af82 | 158 | if (!is_Bluetooth_Base_UUID(uuid)) return 0; |
todotani | 1:6078e430af82 | 159 | return READ_BT_16(uuid, 12) == READ_BT_16(it->uuid, 0); |
todotani | 1:6078e430af82 | 160 | } |
todotani | 1:6078e430af82 | 161 | |
todotani | 1:6078e430af82 | 162 | |
todotani | 1:6078e430af82 | 163 | int att_find_handle(att_iterator_t *it, uint16_t handle){ |
todotani | 1:6078e430af82 | 164 | att_iterator_init(it); |
todotani | 1:6078e430af82 | 165 | while (att_iterator_has_next(it)){ |
todotani | 1:6078e430af82 | 166 | att_iterator_fetch_next(it); |
todotani | 1:6078e430af82 | 167 | if (it->handle != handle) continue; |
todotani | 1:6078e430af82 | 168 | return 1; |
todotani | 1:6078e430af82 | 169 | } |
todotani | 1:6078e430af82 | 170 | return 0; |
todotani | 1:6078e430af82 | 171 | } |
todotani | 1:6078e430af82 | 172 | |
todotani | 1:6078e430af82 | 173 | static void att_update_value_len(att_iterator_t *it){ |
todotani | 1:6078e430af82 | 174 | if ((it->flags & ATT_PROPERTY_DYNAMIC) == 0 || !att_read_callback) return; |
todotani | 1:6078e430af82 | 175 | it->value_len = (*att_read_callback)(it->handle, 0, NULL, 0); |
todotani | 1:6078e430af82 | 176 | return; |
todotani | 1:6078e430af82 | 177 | } |
todotani | 1:6078e430af82 | 178 | |
todotani | 1:6078e430af82 | 179 | static int att_copy_value(att_iterator_t *it, uint16_t offset, uint8_t * buffer, uint16_t buffer_size){ |
todotani | 1:6078e430af82 | 180 | |
todotani | 1:6078e430af82 | 181 | // DYNAMIC |
todotani | 1:6078e430af82 | 182 | if ((it->flags & ATT_PROPERTY_DYNAMIC) && att_read_callback) { |
todotani | 1:6078e430af82 | 183 | return (*att_read_callback)(it->handle, offset, buffer, buffer_size); |
todotani | 1:6078e430af82 | 184 | } |
todotani | 1:6078e430af82 | 185 | |
todotani | 1:6078e430af82 | 186 | // STATIC |
todotani | 1:6078e430af82 | 187 | uint16_t bytes_to_copy = it->value_len; |
todotani | 1:6078e430af82 | 188 | if (bytes_to_copy > buffer_size){ |
todotani | 1:6078e430af82 | 189 | bytes_to_copy = buffer_size; |
todotani | 1:6078e430af82 | 190 | } |
todotani | 1:6078e430af82 | 191 | memcpy(buffer, it->value, bytes_to_copy); |
todotani | 1:6078e430af82 | 192 | return bytes_to_copy; |
todotani | 1:6078e430af82 | 193 | } |
todotani | 1:6078e430af82 | 194 | |
todotani | 1:6078e430af82 | 195 | void att_set_db(uint8_t const * db){ |
todotani | 1:6078e430af82 | 196 | att_db = db; |
todotani | 1:6078e430af82 | 197 | } |
todotani | 1:6078e430af82 | 198 | |
todotani | 1:6078e430af82 | 199 | void att_set_read_callback(att_read_callback_t callback){ |
todotani | 1:6078e430af82 | 200 | att_read_callback = callback; |
todotani | 1:6078e430af82 | 201 | } |
todotani | 1:6078e430af82 | 202 | |
todotani | 1:6078e430af82 | 203 | void att_set_write_callback(att_write_callback_t callback){ |
todotani | 1:6078e430af82 | 204 | att_write_callback = callback; |
todotani | 1:6078e430af82 | 205 | } |
todotani | 1:6078e430af82 | 206 | |
todotani | 1:6078e430af82 | 207 | void att_dump_attributes(void){ |
todotani | 1:6078e430af82 | 208 | att_iterator_t it; |
todotani | 1:6078e430af82 | 209 | att_iterator_init(&it); |
todotani | 1:6078e430af82 | 210 | while (att_iterator_has_next(&it)){ |
todotani | 1:6078e430af82 | 211 | att_iterator_fetch_next(&it); |
todotani | 1:6078e430af82 | 212 | if (it.handle == 0) { |
todotani | 6:cf06ba884429 | 213 | log_info("Handle: END\n"); |
todotani | 1:6078e430af82 | 214 | return; |
todotani | 1:6078e430af82 | 215 | } |
todotani | 6:cf06ba884429 | 216 | log_info("Handle: 0x%04x, flags: 0x%04x, uuid: ", it.handle, it.flags); |
todotani | 1:6078e430af82 | 217 | if (it.flags & ATT_PROPERTY_UUID128){ |
todotani | 1:6078e430af82 | 218 | printUUID128(it.uuid); |
todotani | 1:6078e430af82 | 219 | } else { |
todotani | 6:cf06ba884429 | 220 | log_info("%04x", READ_BT_16(it.uuid, 0)); |
todotani | 1:6078e430af82 | 221 | } |
todotani | 6:cf06ba884429 | 222 | log_info(", value_len: %u, value: ", it.value_len); |
todotani | 1:6078e430af82 | 223 | hexdump2(it.value, it.value_len); |
todotani | 1:6078e430af82 | 224 | } |
todotani | 1:6078e430af82 | 225 | } |
todotani | 1:6078e430af82 | 226 | |
todotani | 1:6078e430af82 | 227 | static uint16_t setup_error(uint8_t * response_buffer, uint16_t request, uint16_t handle, uint8_t error_code){ |
todotani | 1:6078e430af82 | 228 | response_buffer[0] = ATT_ERROR_RESPONSE; |
todotani | 1:6078e430af82 | 229 | response_buffer[1] = request; |
todotani | 1:6078e430af82 | 230 | bt_store_16(response_buffer, 2, handle); |
todotani | 1:6078e430af82 | 231 | response_buffer[4] = error_code; |
todotani | 1:6078e430af82 | 232 | return 5; |
todotani | 1:6078e430af82 | 233 | } |
todotani | 1:6078e430af82 | 234 | |
todotani | 1:6078e430af82 | 235 | static uint16_t setup_error_atribute_not_found(uint8_t * response_buffer, uint16_t request, uint16_t start_handle){ |
todotani | 1:6078e430af82 | 236 | return setup_error(response_buffer, request, start_handle, ATT_ERROR_ATTRIBUTE_NOT_FOUND); |
todotani | 1:6078e430af82 | 237 | } |
todotani | 1:6078e430af82 | 238 | |
todotani | 1:6078e430af82 | 239 | static uint16_t setup_error_invalid_handle(uint8_t * response_buffer, uint16_t request, uint16_t handle){ |
todotani | 1:6078e430af82 | 240 | return setup_error(response_buffer, request, handle, ATT_ERROR_ATTRIBUTE_INVALID); |
todotani | 1:6078e430af82 | 241 | } |
todotani | 1:6078e430af82 | 242 | |
todotani | 1:6078e430af82 | 243 | static uint16_t setup_error_invalid_offset(uint8_t * response_buffer, uint16_t request, uint16_t handle){ |
todotani | 1:6078e430af82 | 244 | return setup_error(response_buffer, request, handle, ATT_ERROR_INVALID_OFFSET); |
todotani | 1:6078e430af82 | 245 | } |
todotani | 1:6078e430af82 | 246 | |
todotani | 1:6078e430af82 | 247 | // |
todotani | 1:6078e430af82 | 248 | // MARK: ATT_EXCHANGE_MTU_REQUEST |
todotani | 1:6078e430af82 | 249 | // |
todotani | 1:6078e430af82 | 250 | static uint16_t handle_exchange_mtu_request(att_connection_t * att_connection, uint8_t * request_buffer, uint16_t request_len, |
todotani | 1:6078e430af82 | 251 | uint8_t * response_buffer){ |
todotani | 1:6078e430af82 | 252 | |
todotani | 1:6078e430af82 | 253 | uint16_t client_rx_mtu = READ_BT_16(request_buffer, 1); |
todotani | 1:6078e430af82 | 254 | if (client_rx_mtu < att_connection->mtu){ |
todotani | 1:6078e430af82 | 255 | att_connection->mtu = client_rx_mtu; |
todotani | 1:6078e430af82 | 256 | } |
todotani | 1:6078e430af82 | 257 | |
todotani | 1:6078e430af82 | 258 | response_buffer[0] = ATT_EXCHANGE_MTU_RESPONSE; |
todotani | 1:6078e430af82 | 259 | bt_store_16(response_buffer, 1, att_connection->mtu); |
todotani | 1:6078e430af82 | 260 | return 3; |
todotani | 1:6078e430af82 | 261 | } |
todotani | 1:6078e430af82 | 262 | |
todotani | 1:6078e430af82 | 263 | |
todotani | 1:6078e430af82 | 264 | // |
todotani | 1:6078e430af82 | 265 | // MARK: ATT_FIND_INFORMATION_REQUEST |
todotani | 1:6078e430af82 | 266 | // |
todotani | 1:6078e430af82 | 267 | // TODO: handle other types then GATT_PRIMARY_SERVICE_UUID and GATT_SECONDARY_SERVICE_UUID |
todotani | 1:6078e430af82 | 268 | // |
todotani | 1:6078e430af82 | 269 | static uint16_t handle_find_information_request2(uint8_t * response_buffer, uint16_t response_buffer_size, |
todotani | 1:6078e430af82 | 270 | uint16_t start_handle, uint16_t end_handle){ |
todotani | 1:6078e430af82 | 271 | |
todotani | 6:cf06ba884429 | 272 | log_info("ATT_FIND_INFORMATION_REQUEST: from %04X to %04X\n", start_handle, end_handle); |
todotani | 1:6078e430af82 | 273 | |
todotani | 1:6078e430af82 | 274 | uint16_t offset = 1; |
todotani | 1:6078e430af82 | 275 | uint16_t pair_len = 0; |
todotani | 1:6078e430af82 | 276 | |
todotani | 1:6078e430af82 | 277 | att_iterator_t it; |
todotani | 1:6078e430af82 | 278 | att_iterator_init(&it); |
todotani | 1:6078e430af82 | 279 | while (att_iterator_has_next(&it)){ |
todotani | 1:6078e430af82 | 280 | att_iterator_fetch_next(&it); |
todotani | 1:6078e430af82 | 281 | if (!it.handle) break; |
todotani | 1:6078e430af82 | 282 | if (it.handle > end_handle) break; |
todotani | 1:6078e430af82 | 283 | if (it.handle < start_handle) continue; |
todotani | 1:6078e430af82 | 284 | |
todotani | 1:6078e430af82 | 285 | att_update_value_len(&it); |
todotani | 1:6078e430af82 | 286 | |
todotani | 6:cf06ba884429 | 287 | // log_debug("Handle 0x%04x\n", it.handle); |
todotani | 1:6078e430af82 | 288 | |
todotani | 1:6078e430af82 | 289 | // check if value has same len as last one |
todotani | 1:6078e430af82 | 290 | uint16_t this_pair_len = 2 + it.value_len; |
todotani | 1:6078e430af82 | 291 | if (offset > 1){ |
todotani | 1:6078e430af82 | 292 | if (pair_len != this_pair_len) { |
todotani | 1:6078e430af82 | 293 | break; |
todotani | 1:6078e430af82 | 294 | } |
todotani | 1:6078e430af82 | 295 | } |
todotani | 1:6078e430af82 | 296 | |
todotani | 1:6078e430af82 | 297 | // first |
todotani | 1:6078e430af82 | 298 | if (offset == 1) { |
todotani | 1:6078e430af82 | 299 | pair_len = this_pair_len; |
todotani | 1:6078e430af82 | 300 | if (it.value_len == 2) { |
todotani | 1:6078e430af82 | 301 | response_buffer[offset] = 0x01; // format |
todotani | 1:6078e430af82 | 302 | } else { |
todotani | 1:6078e430af82 | 303 | response_buffer[offset] = 0x02; |
todotani | 1:6078e430af82 | 304 | } |
todotani | 1:6078e430af82 | 305 | offset++; |
todotani | 1:6078e430af82 | 306 | } |
todotani | 1:6078e430af82 | 307 | |
todotani | 1:6078e430af82 | 308 | // space? |
todotani | 1:6078e430af82 | 309 | if (offset + pair_len > response_buffer_size) { |
todotani | 1:6078e430af82 | 310 | if (offset > 2) break; |
todotani | 1:6078e430af82 | 311 | it.value_len = response_buffer_size - 4; |
todotani | 1:6078e430af82 | 312 | } |
todotani | 1:6078e430af82 | 313 | |
todotani | 1:6078e430af82 | 314 | // store |
todotani | 1:6078e430af82 | 315 | bt_store_16(response_buffer, offset, it.handle); |
todotani | 1:6078e430af82 | 316 | offset += 2; |
todotani | 1:6078e430af82 | 317 | uint16_t bytes_copied = att_copy_value(&it, 0, response_buffer + offset, it.value_len); |
todotani | 1:6078e430af82 | 318 | offset += bytes_copied; |
todotani | 1:6078e430af82 | 319 | } |
todotani | 1:6078e430af82 | 320 | |
todotani | 1:6078e430af82 | 321 | if (offset == 1){ |
todotani | 1:6078e430af82 | 322 | return setup_error_atribute_not_found(response_buffer, ATT_FIND_INFORMATION_REQUEST, start_handle); |
todotani | 1:6078e430af82 | 323 | } |
todotani | 1:6078e430af82 | 324 | |
todotani | 1:6078e430af82 | 325 | response_buffer[0] = ATT_FIND_INFORMATION_REPLY; |
todotani | 1:6078e430af82 | 326 | return offset; |
todotani | 1:6078e430af82 | 327 | } |
todotani | 1:6078e430af82 | 328 | |
todotani | 1:6078e430af82 | 329 | static uint16_t handle_find_information_request(uint8_t * request_buffer, uint16_t request_len, |
todotani | 1:6078e430af82 | 330 | uint8_t * response_buffer, uint16_t response_buffer_size){ |
todotani | 1:6078e430af82 | 331 | return handle_find_information_request2(response_buffer, response_buffer_size, READ_BT_16(request_buffer, 1), READ_BT_16(request_buffer, 3)); |
todotani | 1:6078e430af82 | 332 | } |
todotani | 1:6078e430af82 | 333 | |
todotani | 1:6078e430af82 | 334 | // |
todotani | 1:6078e430af82 | 335 | // MARK: ATT_FIND_BY_TYPE_VALUE |
todotani | 1:6078e430af82 | 336 | // |
todotani | 1:6078e430af82 | 337 | // "Only attributes with attribute handles between and including the Starting Handle parameter |
todotani | 1:6078e430af82 | 338 | // and the Ending Handle parameter that match the requested attri- bute type and the attribute |
todotani | 1:6078e430af82 | 339 | // value that have sufficient permissions to allow reading will be returned" -> (1) |
todotani | 1:6078e430af82 | 340 | // |
todotani | 1:6078e430af82 | 341 | // TODO: handle other types then GATT_PRIMARY_SERVICE_UUID and GATT_SECONDARY_SERVICE_UUID |
todotani | 1:6078e430af82 | 342 | // |
todotani | 1:6078e430af82 | 343 | // NOTE: doesn't handle DYNAMIC values |
todotani | 1:6078e430af82 | 344 | // NOTE: only supports 16 bit UUIDs |
todotani | 1:6078e430af82 | 345 | // |
todotani | 1:6078e430af82 | 346 | static uint16_t handle_find_by_type_value_request2(uint8_t * response_buffer, uint16_t response_buffer_size, |
todotani | 1:6078e430af82 | 347 | uint16_t start_handle, uint16_t end_handle, |
todotani | 1:6078e430af82 | 348 | uint16_t attribute_type, uint16_t attribute_len, uint8_t* attribute_value){ |
todotani | 1:6078e430af82 | 349 | |
todotani | 6:cf06ba884429 | 350 | log_info("ATT_FIND_BY_TYPE_VALUE_REQUEST: from %04X to %04X, type %04X, value: ", start_handle, end_handle, attribute_type); |
todotani | 1:6078e430af82 | 351 | hexdump2(attribute_value, attribute_len); |
todotani | 1:6078e430af82 | 352 | |
todotani | 1:6078e430af82 | 353 | uint16_t offset = 1; |
todotani | 1:6078e430af82 | 354 | uint16_t in_group = 0; |
todotani | 1:6078e430af82 | 355 | uint16_t prev_handle = 0; |
todotani | 1:6078e430af82 | 356 | |
todotani | 1:6078e430af82 | 357 | att_iterator_t it; |
todotani | 1:6078e430af82 | 358 | att_iterator_init(&it); |
todotani | 1:6078e430af82 | 359 | while (att_iterator_has_next(&it)){ |
todotani | 1:6078e430af82 | 360 | att_iterator_fetch_next(&it); |
todotani | 1:6078e430af82 | 361 | |
todotani | 1:6078e430af82 | 362 | if (it.handle && it.handle < start_handle) continue; |
todotani | 1:6078e430af82 | 363 | if (it.handle > end_handle) break; // (1) |
todotani | 1:6078e430af82 | 364 | |
todotani | 1:6078e430af82 | 365 | // close current tag, if within a group and a new service definition starts or we reach end of att db |
todotani | 1:6078e430af82 | 366 | if (in_group && |
todotani | 1:6078e430af82 | 367 | (it.handle == 0 || att_iterator_match_uuid16(&it, GATT_PRIMARY_SERVICE_UUID) || att_iterator_match_uuid16(&it, GATT_SECONDARY_SERVICE_UUID))){ |
todotani | 1:6078e430af82 | 368 | |
todotani | 6:cf06ba884429 | 369 | log_info("End of group, handle 0x%04x\n", prev_handle); |
todotani | 1:6078e430af82 | 370 | bt_store_16(response_buffer, offset, prev_handle); |
todotani | 1:6078e430af82 | 371 | offset += 2; |
todotani | 1:6078e430af82 | 372 | in_group = 0; |
todotani | 1:6078e430af82 | 373 | |
todotani | 1:6078e430af82 | 374 | // check if space for another handle pair available |
todotani | 1:6078e430af82 | 375 | if (offset + 4 > response_buffer_size){ |
todotani | 1:6078e430af82 | 376 | break; |
todotani | 1:6078e430af82 | 377 | } |
todotani | 1:6078e430af82 | 378 | } |
todotani | 1:6078e430af82 | 379 | |
todotani | 1:6078e430af82 | 380 | // keep track of previous handle |
todotani | 1:6078e430af82 | 381 | prev_handle = it.handle; |
todotani | 1:6078e430af82 | 382 | |
todotani | 1:6078e430af82 | 383 | // does current attribute match |
todotani | 1:6078e430af82 | 384 | if (it.handle && att_iterator_match_uuid16(&it, attribute_type) && attribute_len == it.value_len && memcmp(attribute_value, it.value, it.value_len) == 0){ |
todotani | 6:cf06ba884429 | 385 | log_info("Begin of group, handle 0x%04x\n", it.handle); |
todotani | 1:6078e430af82 | 386 | bt_store_16(response_buffer, offset, it.handle); |
todotani | 1:6078e430af82 | 387 | offset += 2; |
todotani | 1:6078e430af82 | 388 | in_group = 1; |
todotani | 1:6078e430af82 | 389 | } |
todotani | 1:6078e430af82 | 390 | } |
todotani | 1:6078e430af82 | 391 | |
todotani | 1:6078e430af82 | 392 | if (offset == 1){ |
todotani | 1:6078e430af82 | 393 | return setup_error_atribute_not_found(response_buffer, ATT_FIND_BY_TYPE_VALUE_REQUEST, start_handle); |
todotani | 1:6078e430af82 | 394 | } |
todotani | 1:6078e430af82 | 395 | |
todotani | 1:6078e430af82 | 396 | response_buffer[0] = ATT_FIND_BY_TYPE_VALUE_RESPONSE; |
todotani | 1:6078e430af82 | 397 | return offset; |
todotani | 1:6078e430af82 | 398 | } |
todotani | 1:6078e430af82 | 399 | |
todotani | 1:6078e430af82 | 400 | static uint16_t handle_find_by_type_value_request(uint8_t * request_buffer, uint16_t request_len, |
todotani | 1:6078e430af82 | 401 | uint8_t * response_buffer, uint16_t response_buffer_size){ |
todotani | 1:6078e430af82 | 402 | int attribute_len = request_len - 7; |
todotani | 1:6078e430af82 | 403 | return handle_find_by_type_value_request2(response_buffer, response_buffer_size, READ_BT_16(request_buffer, 1), |
todotani | 1:6078e430af82 | 404 | READ_BT_16(request_buffer, 3), READ_BT_16(request_buffer, 5), attribute_len, &request_buffer[7]); |
todotani | 1:6078e430af82 | 405 | } |
todotani | 1:6078e430af82 | 406 | |
todotani | 1:6078e430af82 | 407 | // |
todotani | 1:6078e430af82 | 408 | // MARK: ATT_READ_BY_TYPE_REQUEST |
todotani | 1:6078e430af82 | 409 | // |
todotani | 1:6078e430af82 | 410 | static uint16_t handle_read_by_type_request2(uint8_t * response_buffer, uint16_t response_buffer_size, |
todotani | 1:6078e430af82 | 411 | uint16_t start_handle, uint16_t end_handle, |
todotani | 1:6078e430af82 | 412 | uint16_t attribute_type_len, uint8_t * attribute_type){ |
todotani | 1:6078e430af82 | 413 | |
todotani | 6:cf06ba884429 | 414 | log_info("ATT_READ_BY_TYPE_REQUEST: from %04X to %04X, type: ", start_handle, end_handle); |
todotani | 1:6078e430af82 | 415 | hexdump2(attribute_type, attribute_type_len); |
todotani | 1:6078e430af82 | 416 | |
todotani | 1:6078e430af82 | 417 | uint16_t offset = 1; |
todotani | 1:6078e430af82 | 418 | uint16_t pair_len = 0; |
todotani | 1:6078e430af82 | 419 | |
todotani | 1:6078e430af82 | 420 | att_iterator_t it; |
todotani | 1:6078e430af82 | 421 | att_iterator_init(&it); |
todotani | 1:6078e430af82 | 422 | while (att_iterator_has_next(&it)){ |
todotani | 1:6078e430af82 | 423 | att_iterator_fetch_next(&it); |
todotani | 1:6078e430af82 | 424 | |
todotani | 1:6078e430af82 | 425 | if (!it.handle) break; |
todotani | 1:6078e430af82 | 426 | if (it.handle < start_handle) continue; |
todotani | 1:6078e430af82 | 427 | if (it.handle > end_handle) break; // (1) |
todotani | 1:6078e430af82 | 428 | |
todotani | 1:6078e430af82 | 429 | // does current attribute match |
todotani | 1:6078e430af82 | 430 | if (!att_iterator_match_uuid(&it, attribute_type, attribute_type_len)) continue; |
todotani | 1:6078e430af82 | 431 | |
todotani | 1:6078e430af82 | 432 | att_update_value_len(&it); |
todotani | 1:6078e430af82 | 433 | |
todotani | 1:6078e430af82 | 434 | // check if value has same len as last one |
todotani | 1:6078e430af82 | 435 | uint16_t this_pair_len = 2 + it.value_len; |
todotani | 1:6078e430af82 | 436 | if (offset > 1){ |
todotani | 1:6078e430af82 | 437 | if (pair_len != this_pair_len) { |
todotani | 1:6078e430af82 | 438 | break; |
todotani | 1:6078e430af82 | 439 | } |
todotani | 1:6078e430af82 | 440 | } |
todotani | 1:6078e430af82 | 441 | |
todotani | 1:6078e430af82 | 442 | // first |
todotani | 1:6078e430af82 | 443 | if (offset == 1) { |
todotani | 1:6078e430af82 | 444 | pair_len = this_pair_len; |
todotani | 1:6078e430af82 | 445 | response_buffer[offset] = pair_len; |
todotani | 1:6078e430af82 | 446 | offset++; |
todotani | 1:6078e430af82 | 447 | } |
todotani | 1:6078e430af82 | 448 | |
todotani | 1:6078e430af82 | 449 | // space? |
todotani | 1:6078e430af82 | 450 | if (offset + pair_len > response_buffer_size) { |
todotani | 1:6078e430af82 | 451 | if (offset > 2) break; |
todotani | 1:6078e430af82 | 452 | it.value_len = response_buffer_size - 4; |
todotani | 1:6078e430af82 | 453 | } |
todotani | 1:6078e430af82 | 454 | |
todotani | 1:6078e430af82 | 455 | // store |
todotani | 1:6078e430af82 | 456 | bt_store_16(response_buffer, offset, it.handle); |
todotani | 1:6078e430af82 | 457 | offset += 2; |
todotani | 1:6078e430af82 | 458 | uint16_t bytes_copied = att_copy_value(&it, 0, response_buffer + offset, it.value_len); |
todotani | 1:6078e430af82 | 459 | offset += bytes_copied; |
todotani | 1:6078e430af82 | 460 | } |
todotani | 1:6078e430af82 | 461 | |
todotani | 1:6078e430af82 | 462 | if (offset == 1){ |
todotani | 1:6078e430af82 | 463 | return setup_error_atribute_not_found(response_buffer, ATT_READ_BY_TYPE_REQUEST, start_handle); |
todotani | 1:6078e430af82 | 464 | } |
todotani | 1:6078e430af82 | 465 | |
todotani | 1:6078e430af82 | 466 | response_buffer[0] = ATT_READ_BY_TYPE_RESPONSE; |
todotani | 1:6078e430af82 | 467 | return offset; |
todotani | 1:6078e430af82 | 468 | } |
todotani | 1:6078e430af82 | 469 | |
todotani | 1:6078e430af82 | 470 | static uint16_t handle_read_by_type_request(uint8_t * request_buffer, uint16_t request_len, |
todotani | 1:6078e430af82 | 471 | uint8_t * response_buffer, uint16_t response_buffer_size){ |
todotani | 1:6078e430af82 | 472 | int attribute_type_len; |
todotani | 1:6078e430af82 | 473 | if (request_len <= 7){ |
todotani | 1:6078e430af82 | 474 | attribute_type_len = 2; |
todotani | 1:6078e430af82 | 475 | } else { |
todotani | 1:6078e430af82 | 476 | attribute_type_len = 16; |
todotani | 1:6078e430af82 | 477 | } |
todotani | 1:6078e430af82 | 478 | return handle_read_by_type_request2(response_buffer, response_buffer_size, READ_BT_16(request_buffer, 1), READ_BT_16(request_buffer, 3), attribute_type_len, &request_buffer[5]); |
todotani | 1:6078e430af82 | 479 | } |
todotani | 1:6078e430af82 | 480 | |
todotani | 1:6078e430af82 | 481 | // |
todotani | 1:6078e430af82 | 482 | // MARK: ATT_READ_BY_TYPE_REQUEST |
todotani | 1:6078e430af82 | 483 | // |
todotani | 1:6078e430af82 | 484 | static uint16_t handle_read_request2(uint8_t * response_buffer, uint16_t response_buffer_size, uint16_t handle){ |
todotani | 1:6078e430af82 | 485 | |
todotani | 6:cf06ba884429 | 486 | log_info("ATT_READ_REQUEST: handle %04x\n", handle); |
todotani | 1:6078e430af82 | 487 | |
todotani | 1:6078e430af82 | 488 | att_iterator_t it; |
todotani | 1:6078e430af82 | 489 | int ok = att_find_handle(&it, handle); |
todotani | 1:6078e430af82 | 490 | if (!ok){ |
todotani | 1:6078e430af82 | 491 | return setup_error_atribute_not_found(response_buffer, ATT_READ_REQUEST, handle); |
todotani | 1:6078e430af82 | 492 | } |
todotani | 6:cf06ba884429 | 493 | |
todotani | 1:6078e430af82 | 494 | att_update_value_len(&it); |
todotani | 1:6078e430af82 | 495 | |
todotani | 1:6078e430af82 | 496 | uint16_t offset = 1; |
todotani | 1:6078e430af82 | 497 | // limit data |
todotani | 1:6078e430af82 | 498 | if (offset + it.value_len > response_buffer_size) { |
todotani | 1:6078e430af82 | 499 | it.value_len = response_buffer_size - 1; |
todotani | 1:6078e430af82 | 500 | } |
todotani | 1:6078e430af82 | 501 | |
todotani | 1:6078e430af82 | 502 | // store |
todotani | 1:6078e430af82 | 503 | uint16_t bytes_copied = att_copy_value(&it, 0, response_buffer + offset, it.value_len); |
todotani | 1:6078e430af82 | 504 | offset += bytes_copied; |
todotani | 1:6078e430af82 | 505 | |
todotani | 1:6078e430af82 | 506 | response_buffer[0] = ATT_READ_RESPONSE; |
todotani | 1:6078e430af82 | 507 | return offset; |
todotani | 1:6078e430af82 | 508 | } |
todotani | 1:6078e430af82 | 509 | |
todotani | 1:6078e430af82 | 510 | static uint16_t handle_read_request(uint8_t * request_buffer, uint16_t request_len, |
todotani | 1:6078e430af82 | 511 | uint8_t * response_buffer, uint16_t response_buffer_size){ |
todotani | 1:6078e430af82 | 512 | return handle_read_request2(response_buffer, response_buffer_size, READ_BT_16(request_buffer, 1)); |
todotani | 1:6078e430af82 | 513 | } |
todotani | 1:6078e430af82 | 514 | |
todotani | 1:6078e430af82 | 515 | // |
todotani | 1:6078e430af82 | 516 | // MARK: ATT_READ_BLOB_REQUEST 0x0c |
todotani | 1:6078e430af82 | 517 | // |
todotani | 1:6078e430af82 | 518 | static uint16_t handle_read_blob_request2(uint8_t * response_buffer, uint16_t response_buffer_size, uint16_t handle, uint16_t value_offset){ |
todotani | 6:cf06ba884429 | 519 | log_info("ATT_READ_BLOB_REQUEST: handle %04x, offset %u\n", handle, value_offset); |
todotani | 1:6078e430af82 | 520 | |
todotani | 1:6078e430af82 | 521 | att_iterator_t it; |
todotani | 1:6078e430af82 | 522 | int ok = att_find_handle(&it, handle); |
todotani | 1:6078e430af82 | 523 | if (!ok){ |
todotani | 1:6078e430af82 | 524 | return setup_error_atribute_not_found(response_buffer, ATT_READ_BLOB_REQUEST, handle); |
todotani | 1:6078e430af82 | 525 | } |
todotani | 1:6078e430af82 | 526 | |
todotani | 1:6078e430af82 | 527 | att_update_value_len(&it); |
todotani | 1:6078e430af82 | 528 | |
todotani | 1:6078e430af82 | 529 | if (value_offset >= it.value_len){ |
todotani | 1:6078e430af82 | 530 | return setup_error_invalid_offset(response_buffer, ATT_READ_BLOB_REQUEST, handle); |
todotani | 1:6078e430af82 | 531 | } |
todotani | 1:6078e430af82 | 532 | |
todotani | 1:6078e430af82 | 533 | // limit data |
todotani | 1:6078e430af82 | 534 | uint16_t offset = 1; |
todotani | 1:6078e430af82 | 535 | if (offset + it.value_len - value_offset > response_buffer_size) { |
todotani | 1:6078e430af82 | 536 | it.value_len = response_buffer_size - 1 + value_offset; |
todotani | 1:6078e430af82 | 537 | } |
todotani | 1:6078e430af82 | 538 | |
todotani | 1:6078e430af82 | 539 | // store |
todotani | 1:6078e430af82 | 540 | uint16_t bytes_copied = att_copy_value(&it, value_offset, response_buffer + offset, it.value_len - value_offset); |
todotani | 1:6078e430af82 | 541 | offset += bytes_copied; |
todotani | 1:6078e430af82 | 542 | |
todotani | 1:6078e430af82 | 543 | response_buffer[0] = ATT_READ_BLOB_RESPONSE; |
todotani | 1:6078e430af82 | 544 | return offset; |
todotani | 1:6078e430af82 | 545 | } |
todotani | 1:6078e430af82 | 546 | |
todotani | 1:6078e430af82 | 547 | uint16_t handle_read_blob_request(uint8_t * request_buffer, uint16_t request_len, |
todotani | 1:6078e430af82 | 548 | uint8_t * response_buffer, uint16_t response_buffer_size){ |
todotani | 1:6078e430af82 | 549 | return handle_read_blob_request2(response_buffer, response_buffer_size, READ_BT_16(request_buffer, 1), READ_BT_16(request_buffer, 3)); |
todotani | 1:6078e430af82 | 550 | } |
todotani | 1:6078e430af82 | 551 | |
todotani | 1:6078e430af82 | 552 | // |
todotani | 1:6078e430af82 | 553 | // MARK: ATT_READ_MULTIPLE_REQUEST 0x0e |
todotani | 1:6078e430af82 | 554 | // |
todotani | 1:6078e430af82 | 555 | static uint16_t handle_read_multiple_request2(uint8_t * response_buffer, uint16_t response_buffer_size, uint16_t num_handles, uint16_t * handles){ |
todotani | 6:cf06ba884429 | 556 | log_info("ATT_READ_MULTIPLE_REQUEST: num handles %u\n", num_handles); |
todotani | 1:6078e430af82 | 557 | |
todotani | 1:6078e430af82 | 558 | uint16_t offset = 1; |
todotani | 1:6078e430af82 | 559 | |
todotani | 1:6078e430af82 | 560 | int i; |
todotani | 1:6078e430af82 | 561 | for (i=0;i<num_handles;i++){ |
todotani | 1:6078e430af82 | 562 | uint16_t handle = handles[i]; |
todotani | 1:6078e430af82 | 563 | |
todotani | 1:6078e430af82 | 564 | if (handle == 0){ |
todotani | 1:6078e430af82 | 565 | return setup_error_invalid_handle(response_buffer, ATT_READ_MULTIPLE_REQUEST, handle); |
todotani | 1:6078e430af82 | 566 | } |
todotani | 1:6078e430af82 | 567 | |
todotani | 1:6078e430af82 | 568 | att_iterator_t it; |
todotani | 1:6078e430af82 | 569 | |
todotani | 1:6078e430af82 | 570 | int ok = att_find_handle(&it, handle); |
todotani | 1:6078e430af82 | 571 | if (!ok){ |
todotani | 1:6078e430af82 | 572 | return setup_error_invalid_handle(response_buffer, ATT_READ_MULTIPLE_REQUEST, handle); |
todotani | 1:6078e430af82 | 573 | } |
todotani | 1:6078e430af82 | 574 | |
todotani | 1:6078e430af82 | 575 | att_update_value_len(&it); |
todotani | 1:6078e430af82 | 576 | |
todotani | 1:6078e430af82 | 577 | // limit data |
todotani | 1:6078e430af82 | 578 | if (offset + it.value_len > response_buffer_size) { |
todotani | 1:6078e430af82 | 579 | it.value_len = response_buffer_size - 1; |
todotani | 1:6078e430af82 | 580 | } |
todotani | 1:6078e430af82 | 581 | |
todotani | 1:6078e430af82 | 582 | // store |
todotani | 1:6078e430af82 | 583 | uint16_t bytes_copied = att_copy_value(&it, 0, response_buffer + offset, it.value_len); |
todotani | 1:6078e430af82 | 584 | offset += bytes_copied; |
todotani | 1:6078e430af82 | 585 | } |
todotani | 1:6078e430af82 | 586 | |
todotani | 1:6078e430af82 | 587 | response_buffer[0] = ATT_READ_MULTIPLE_RESPONSE; |
todotani | 1:6078e430af82 | 588 | return offset; |
todotani | 1:6078e430af82 | 589 | } |
todotani | 1:6078e430af82 | 590 | uint16_t handle_read_multiple_request(uint8_t * request_buffer, uint16_t request_len, |
todotani | 1:6078e430af82 | 591 | uint8_t * response_buffer, uint16_t response_buffer_size){ |
todotani | 1:6078e430af82 | 592 | int num_handles = (request_len - 1) >> 1; |
todotani | 1:6078e430af82 | 593 | return handle_read_multiple_request2(response_buffer, response_buffer_size, num_handles, (uint16_t*) &request_buffer[1]); |
todotani | 1:6078e430af82 | 594 | } |
todotani | 1:6078e430af82 | 595 | |
todotani | 1:6078e430af82 | 596 | // |
todotani | 1:6078e430af82 | 597 | // MARK: ATT_READ_BY_GROUP_TYPE_REQUEST 0x10 |
todotani | 1:6078e430af82 | 598 | // |
todotani | 1:6078e430af82 | 599 | // TODO: handle other types then GATT_PRIMARY_SERVICE_UUID and GATT_SECONDARY_SERVICE_UUID |
todotani | 1:6078e430af82 | 600 | // |
todotani | 1:6078e430af82 | 601 | // NOTE: doesn't handle DYNAMIC values |
todotani | 1:6078e430af82 | 602 | // |
todotani | 1:6078e430af82 | 603 | static uint16_t handle_read_by_group_type_request2(uint8_t * response_buffer, uint16_t response_buffer_size, |
todotani | 1:6078e430af82 | 604 | uint16_t start_handle, uint16_t end_handle, |
todotani | 1:6078e430af82 | 605 | uint16_t attribute_type_len, uint8_t * attribute_type){ |
todotani | 1:6078e430af82 | 606 | |
todotani | 6:cf06ba884429 | 607 | log_info("ATT_READ_BY_GROUP_TYPE_REQUEST: from %04X to %04X, buffer size %u, type: ", start_handle, end_handle, response_buffer_size); |
todotani | 1:6078e430af82 | 608 | hexdump2(attribute_type, attribute_type_len); |
todotani | 1:6078e430af82 | 609 | |
todotani | 1:6078e430af82 | 610 | uint16_t offset = 1; |
todotani | 1:6078e430af82 | 611 | uint16_t pair_len = 0; |
todotani | 1:6078e430af82 | 612 | uint16_t in_group = 0; |
todotani | 1:6078e430af82 | 613 | uint16_t group_start_handle = 0; |
todotani | 1:6078e430af82 | 614 | uint8_t const * group_start_value = NULL; |
todotani | 1:6078e430af82 | 615 | uint16_t prev_handle = 0; |
todotani | 1:6078e430af82 | 616 | |
todotani | 1:6078e430af82 | 617 | att_iterator_t it; |
todotani | 1:6078e430af82 | 618 | att_iterator_init(&it); |
todotani | 1:6078e430af82 | 619 | while (att_iterator_has_next(&it)){ |
todotani | 1:6078e430af82 | 620 | att_iterator_fetch_next(&it); |
todotani | 1:6078e430af82 | 621 | |
todotani | 1:6078e430af82 | 622 | if (it.handle && it.handle < start_handle) continue; |
todotani | 1:6078e430af82 | 623 | if (it.handle > end_handle) break; // (1) |
todotani | 1:6078e430af82 | 624 | |
todotani | 1:6078e430af82 | 625 | // close current tag, if within a group and a new service definition starts or we reach end of att db |
todotani | 1:6078e430af82 | 626 | if (in_group && |
todotani | 1:6078e430af82 | 627 | (it.handle == 0 || att_iterator_match_uuid16(&it, GATT_PRIMARY_SERVICE_UUID) || att_iterator_match_uuid16(&it, GATT_SECONDARY_SERVICE_UUID))){ |
todotani | 1:6078e430af82 | 628 | // TODO: check if handle is included in start/end range |
todotani | 6:cf06ba884429 | 629 | // log_debug("End of group, handle 0x%04x, val_len: %u\n", prev_handle, pair_len - 4); |
todotani | 1:6078e430af82 | 630 | |
todotani | 1:6078e430af82 | 631 | bt_store_16(response_buffer, offset, group_start_handle); |
todotani | 1:6078e430af82 | 632 | offset += 2; |
todotani | 1:6078e430af82 | 633 | bt_store_16(response_buffer, offset, prev_handle); |
todotani | 1:6078e430af82 | 634 | offset += 2; |
todotani | 1:6078e430af82 | 635 | memcpy(response_buffer + offset, group_start_value, pair_len - 4); |
todotani | 1:6078e430af82 | 636 | offset += pair_len - 4; |
todotani | 1:6078e430af82 | 637 | in_group = 0; |
todotani | 1:6078e430af82 | 638 | |
todotani | 1:6078e430af82 | 639 | // check if space for another handle pair available |
todotani | 1:6078e430af82 | 640 | if (offset + pair_len > response_buffer_size){ |
todotani | 1:6078e430af82 | 641 | break; |
todotani | 1:6078e430af82 | 642 | } |
todotani | 1:6078e430af82 | 643 | } |
todotani | 1:6078e430af82 | 644 | |
todotani | 1:6078e430af82 | 645 | // keep track of previous handle |
todotani | 1:6078e430af82 | 646 | prev_handle = it.handle; |
todotani | 1:6078e430af82 | 647 | |
todotani | 1:6078e430af82 | 648 | // does current attribute match |
todotani | 6:cf06ba884429 | 649 | // log_debug("compare: %04x == %04x\n", *(uint16_t*) context->attribute_type, *(uint16_t*) uuid); |
todotani | 1:6078e430af82 | 650 | if (it.handle && att_iterator_match_uuid(&it, attribute_type, attribute_type_len)) { |
todotani | 1:6078e430af82 | 651 | |
todotani | 1:6078e430af82 | 652 | // check if value has same len as last one |
todotani | 1:6078e430af82 | 653 | uint16_t this_pair_len = 4 + it.value_len; |
todotani | 1:6078e430af82 | 654 | if (offset > 1){ |
todotani | 1:6078e430af82 | 655 | if (this_pair_len != pair_len) { |
todotani | 1:6078e430af82 | 656 | break; |
todotani | 1:6078e430af82 | 657 | } |
todotani | 1:6078e430af82 | 658 | } |
todotani | 1:6078e430af82 | 659 | |
todotani | 6:cf06ba884429 | 660 | // log_debug("Begin of group, handle 0x%04x\n", it.handle); |
todotani | 1:6078e430af82 | 661 | |
todotani | 1:6078e430af82 | 662 | // first |
todotani | 1:6078e430af82 | 663 | if (offset == 1) { |
todotani | 1:6078e430af82 | 664 | pair_len = this_pair_len; |
todotani | 1:6078e430af82 | 665 | response_buffer[offset] = this_pair_len; |
todotani | 1:6078e430af82 | 666 | offset++; |
todotani | 1:6078e430af82 | 667 | } |
todotani | 1:6078e430af82 | 668 | |
todotani | 1:6078e430af82 | 669 | group_start_handle = it.handle; |
todotani | 1:6078e430af82 | 670 | group_start_value = it.value; |
todotani | 1:6078e430af82 | 671 | in_group = 1; |
todotani | 1:6078e430af82 | 672 | } |
todotani | 1:6078e430af82 | 673 | } |
todotani | 1:6078e430af82 | 674 | |
todotani | 1:6078e430af82 | 675 | if (offset == 1){ |
todotani | 1:6078e430af82 | 676 | return setup_error_atribute_not_found(response_buffer, ATT_READ_BY_GROUP_TYPE_REQUEST, start_handle); |
todotani | 1:6078e430af82 | 677 | } |
todotani | 1:6078e430af82 | 678 | |
todotani | 1:6078e430af82 | 679 | response_buffer[0] = ATT_READ_BY_GROUP_TYPE_RESPONSE; |
todotani | 1:6078e430af82 | 680 | return offset; |
todotani | 1:6078e430af82 | 681 | } |
todotani | 1:6078e430af82 | 682 | uint16_t handle_read_by_group_type_request(uint8_t * request_buffer, uint16_t request_len, |
todotani | 1:6078e430af82 | 683 | uint8_t * response_buffer, uint16_t response_buffer_size){ |
todotani | 1:6078e430af82 | 684 | int attribute_type_len; |
todotani | 1:6078e430af82 | 685 | if (request_len <= 7){ |
todotani | 1:6078e430af82 | 686 | attribute_type_len = 2; |
todotani | 1:6078e430af82 | 687 | } else { |
todotani | 1:6078e430af82 | 688 | attribute_type_len = 16; |
todotani | 1:6078e430af82 | 689 | } |
todotani | 1:6078e430af82 | 690 | return handle_read_by_group_type_request2(response_buffer, response_buffer_size, READ_BT_16(request_buffer, 1), READ_BT_16(request_buffer, 3), attribute_type_len, &request_buffer[5]); |
todotani | 1:6078e430af82 | 691 | } |
todotani | 1:6078e430af82 | 692 | |
todotani | 1:6078e430af82 | 693 | // |
todotani | 1:6078e430af82 | 694 | // MARK: ATT_WRITE_REQUEST 0x12 |
todotani | 1:6078e430af82 | 695 | static uint16_t handle_write_request(uint8_t * request_buffer, uint16_t request_len, |
todotani | 1:6078e430af82 | 696 | uint8_t * response_buffer, uint16_t response_buffer_size){ |
todotani | 1:6078e430af82 | 697 | uint16_t handle = READ_BT_16(request_buffer, 1); |
todotani | 1:6078e430af82 | 698 | if (!att_write_callback) { |
todotani | 1:6078e430af82 | 699 | // TODO: Use "Write Not Permitted" |
todotani | 1:6078e430af82 | 700 | return setup_error_atribute_not_found(response_buffer, ATT_WRITE_REQUEST, handle); |
todotani | 1:6078e430af82 | 701 | } |
todotani | 1:6078e430af82 | 702 | att_iterator_t it; |
todotani | 1:6078e430af82 | 703 | int ok = att_find_handle(&it, handle); |
todotani | 1:6078e430af82 | 704 | if (!ok) { |
todotani | 1:6078e430af82 | 705 | return setup_error_atribute_not_found(response_buffer, ATT_WRITE_REQUEST, handle); |
todotani | 1:6078e430af82 | 706 | } |
todotani | 1:6078e430af82 | 707 | if ((it.flags & ATT_PROPERTY_DYNAMIC) == 0) { |
todotani | 1:6078e430af82 | 708 | // TODO: Use "Write Not Permitted" |
todotani | 1:6078e430af82 | 709 | return setup_error_atribute_not_found(response_buffer, ATT_WRITE_REQUEST, handle); |
todotani | 1:6078e430af82 | 710 | } |
todotani | 1:6078e430af82 | 711 | (*att_write_callback)(handle, ATT_TRANSACTION_MODE_NONE, 0, request_buffer + 3, request_len - 3, NULL); |
todotani | 1:6078e430af82 | 712 | response_buffer[0] = ATT_WRITE_RESPONSE; |
todotani | 1:6078e430af82 | 713 | return 1; |
todotani | 1:6078e430af82 | 714 | } |
todotani | 1:6078e430af82 | 715 | |
todotani | 1:6078e430af82 | 716 | // |
todotani | 1:6078e430af82 | 717 | // MARK: ATT_PREPARE_WRITE_REQUEST 0x16 |
todotani | 1:6078e430af82 | 718 | static uint16_t handle_prepare_write_request(uint8_t * request_buffer, uint16_t request_len, |
todotani | 1:6078e430af82 | 719 | uint8_t * response_buffer, uint16_t response_buffer_size){ |
todotani | 1:6078e430af82 | 720 | uint16_t handle = READ_BT_16(request_buffer, 1); |
todotani | 1:6078e430af82 | 721 | if (!att_write_callback) { |
todotani | 1:6078e430af82 | 722 | // TODO: Use "Write Not Permitted" |
todotani | 1:6078e430af82 | 723 | return setup_error_atribute_not_found(response_buffer, ATT_PREPARE_WRITE_REQUEST, handle); |
todotani | 1:6078e430af82 | 724 | } |
todotani | 1:6078e430af82 | 725 | att_iterator_t it; |
todotani | 1:6078e430af82 | 726 | int ok = att_find_handle(&it, handle); |
todotani | 1:6078e430af82 | 727 | if (!ok) { |
todotani | 1:6078e430af82 | 728 | return setup_error_atribute_not_found(response_buffer, ATT_WRITE_REQUEST, handle); |
todotani | 1:6078e430af82 | 729 | } |
todotani | 1:6078e430af82 | 730 | if ((it.flags & ATT_PROPERTY_DYNAMIC) == 0) { |
todotani | 1:6078e430af82 | 731 | // TODO: Use "Write Not Permitted" |
todotani | 1:6078e430af82 | 732 | return setup_error_atribute_not_found(response_buffer, ATT_WRITE_REQUEST, handle); |
todotani | 1:6078e430af82 | 733 | } |
todotani | 1:6078e430af82 | 734 | (*att_write_callback)(handle, ATT_TRANSACTION_MODE_ACTIVE, 0, request_buffer + 3, request_len - 3, NULL); |
todotani | 1:6078e430af82 | 735 | |
todotani | 1:6078e430af82 | 736 | // response: echo request |
todotani | 1:6078e430af82 | 737 | memcpy(response_buffer, request_buffer, request_len); |
todotani | 1:6078e430af82 | 738 | response_buffer[0] = ATT_PREPARE_WRITE_RESPONSE; |
todotani | 1:6078e430af82 | 739 | return request_len; |
todotani | 1:6078e430af82 | 740 | } |
todotani | 1:6078e430af82 | 741 | |
todotani | 1:6078e430af82 | 742 | // MARK: ATT_EXECUTE_WRITE_REQUEST 0x18 |
todotani | 1:6078e430af82 | 743 | static uint16_t handle_execute_write_request(uint8_t * request_buffer, uint16_t request_len, |
todotani | 1:6078e430af82 | 744 | uint8_t * response_buffer, uint16_t response_buffer_size){ |
todotani | 1:6078e430af82 | 745 | if (!att_write_callback) { |
todotani | 1:6078e430af82 | 746 | // TODO: Use "Write Not Permitted" |
todotani | 1:6078e430af82 | 747 | return setup_error_atribute_not_found(response_buffer, ATT_EXECUTE_WRITE_REQUEST, 0); |
todotani | 1:6078e430af82 | 748 | } |
todotani | 1:6078e430af82 | 749 | if (request_buffer[1]) { |
todotani | 1:6078e430af82 | 750 | (*att_write_callback)(0, ATT_TRANSACTION_MODE_EXECUTE, 0, request_buffer + 3, request_len - 3, NULL); |
todotani | 1:6078e430af82 | 751 | } else { |
todotani | 1:6078e430af82 | 752 | (*att_write_callback)(0, ATT_TRANSACTION_MODE_CANCEL, 0, request_buffer + 3, request_len - 3, NULL); |
todotani | 1:6078e430af82 | 753 | } |
todotani | 1:6078e430af82 | 754 | response_buffer[0] = ATT_EXECUTE_WRITE_RESPONSE; |
todotani | 1:6078e430af82 | 755 | return 1; |
todotani | 1:6078e430af82 | 756 | } |
todotani | 1:6078e430af82 | 757 | |
todotani | 1:6078e430af82 | 758 | // MARK: ATT_WRITE_COMMAND 0x52 |
todotani | 1:6078e430af82 | 759 | static void handle_write_command(uint8_t * request_buffer, uint16_t request_len, |
todotani | 1:6078e430af82 | 760 | uint8_t * response_buffer, uint16_t response_buffer_size){ |
todotani | 1:6078e430af82 | 761 | if (!att_write_callback) return; |
todotani | 1:6078e430af82 | 762 | uint16_t handle = READ_BT_16(request_buffer, 1); |
todotani | 1:6078e430af82 | 763 | att_iterator_t it; |
todotani | 1:6078e430af82 | 764 | int ok = att_find_handle(&it, handle); |
todotani | 1:6078e430af82 | 765 | if (!ok) return; |
todotani | 1:6078e430af82 | 766 | if ((it.flags & ATT_PROPERTY_DYNAMIC) == 0) return; |
todotani | 1:6078e430af82 | 767 | (*att_write_callback)(handle, ATT_TRANSACTION_MODE_NONE, 0, request_buffer + 3, request_len - 3, NULL); |
todotani | 1:6078e430af82 | 768 | } |
todotani | 1:6078e430af82 | 769 | |
todotani | 1:6078e430af82 | 770 | // MARK: ATT_SIGNED_WRITE_COMAND 0xD2 |
todotani | 1:6078e430af82 | 771 | static void handle_signed_write_command(uint8_t * request_buffer, uint16_t request_len, |
todotani | 1:6078e430af82 | 772 | uint8_t * response_buffer, uint16_t response_buffer_size){ |
todotani | 1:6078e430af82 | 773 | |
todotani | 1:6078e430af82 | 774 | if (request_len < 15) return; |
todotani | 1:6078e430af82 | 775 | if (!att_write_callback) return; |
todotani | 1:6078e430af82 | 776 | uint16_t handle = READ_BT_16(request_buffer, 1); |
todotani | 1:6078e430af82 | 777 | att_iterator_t it; |
todotani | 1:6078e430af82 | 778 | int ok = att_find_handle(&it, handle); |
todotani | 1:6078e430af82 | 779 | if (!ok) return; |
todotani | 1:6078e430af82 | 780 | if ((it.flags & ATT_PROPERTY_DYNAMIC) == 0) return; |
todotani | 1:6078e430af82 | 781 | (*att_write_callback)(handle, ATT_TRANSACTION_MODE_NONE, 0, request_buffer + 3, request_len - 3 - 12, (signature_t *) request_buffer + request_len - 12); |
todotani | 1:6078e430af82 | 782 | } |
todotani | 1:6078e430af82 | 783 | |
todotani | 1:6078e430af82 | 784 | // MARK: helper for ATT_HANDLE_VALUE_NOTIFICATION and ATT_HANDLE_VALUE_INDICATION |
todotani | 1:6078e430af82 | 785 | static uint16_t prepare_handle_value(att_connection_t * att_connection, |
todotani | 1:6078e430af82 | 786 | uint16_t handle, |
todotani | 1:6078e430af82 | 787 | uint8_t *value, |
todotani | 1:6078e430af82 | 788 | uint16_t value_len, |
todotani | 1:6078e430af82 | 789 | uint8_t * response_buffer){ |
todotani | 1:6078e430af82 | 790 | bt_store_16(response_buffer, 1, handle); |
todotani | 1:6078e430af82 | 791 | if (value_len > att_connection->mtu - 3){ |
todotani | 1:6078e430af82 | 792 | value_len = att_connection->mtu - 3; |
todotani | 1:6078e430af82 | 793 | } |
todotani | 1:6078e430af82 | 794 | memcpy(&response_buffer[3], value, value_len); |
todotani | 1:6078e430af82 | 795 | return value_len + 3; |
todotani | 1:6078e430af82 | 796 | } |
todotani | 1:6078e430af82 | 797 | |
todotani | 1:6078e430af82 | 798 | // MARK: ATT_HANDLE_VALUE_NOTIFICATION 0x1b |
todotani | 1:6078e430af82 | 799 | uint16_t att_prepare_handle_value_notification(att_connection_t * att_connection, |
todotani | 1:6078e430af82 | 800 | uint16_t handle, |
todotani | 1:6078e430af82 | 801 | uint8_t *value, |
todotani | 1:6078e430af82 | 802 | uint16_t value_len, |
todotani | 1:6078e430af82 | 803 | uint8_t * response_buffer){ |
todotani | 1:6078e430af82 | 804 | |
todotani | 1:6078e430af82 | 805 | response_buffer[0] = ATT_HANDLE_VALUE_NOTIFICATION; |
todotani | 1:6078e430af82 | 806 | return prepare_handle_value(att_connection, handle, value, value_len, response_buffer); |
todotani | 1:6078e430af82 | 807 | } |
todotani | 1:6078e430af82 | 808 | |
todotani | 1:6078e430af82 | 809 | // MARK: ATT_HANDLE_VALUE_INDICATION 0x1d |
todotani | 1:6078e430af82 | 810 | uint16_t att_prepare_handle_value_indication(att_connection_t * att_connection, |
todotani | 1:6078e430af82 | 811 | uint16_t handle, |
todotani | 1:6078e430af82 | 812 | uint8_t *value, |
todotani | 1:6078e430af82 | 813 | uint16_t value_len, |
todotani | 1:6078e430af82 | 814 | uint8_t * response_buffer){ |
todotani | 1:6078e430af82 | 815 | |
todotani | 1:6078e430af82 | 816 | response_buffer[0] = ATT_HANDLE_VALUE_INDICATION; |
todotani | 1:6078e430af82 | 817 | return prepare_handle_value(att_connection, handle, value, value_len, response_buffer); |
todotani | 1:6078e430af82 | 818 | } |
todotani | 1:6078e430af82 | 819 | |
todotani | 1:6078e430af82 | 820 | // MARK: Dispatcher |
todotani | 1:6078e430af82 | 821 | uint16_t att_handle_request(att_connection_t * att_connection, |
todotani | 1:6078e430af82 | 822 | uint8_t * request_buffer, |
todotani | 1:6078e430af82 | 823 | uint16_t request_len, |
todotani | 1:6078e430af82 | 824 | uint8_t * response_buffer){ |
todotani | 1:6078e430af82 | 825 | uint16_t response_len = 0; |
todotani | 1:6078e430af82 | 826 | uint16_t response_buffer_size = att_connection->mtu; |
todotani | 1:6078e430af82 | 827 | |
todotani | 1:6078e430af82 | 828 | switch (request_buffer[0]){ |
todotani | 1:6078e430af82 | 829 | case ATT_EXCHANGE_MTU_REQUEST: |
todotani | 1:6078e430af82 | 830 | response_len = handle_exchange_mtu_request(att_connection, request_buffer, request_len, response_buffer); |
todotani | 1:6078e430af82 | 831 | break; |
todotani | 1:6078e430af82 | 832 | case ATT_FIND_INFORMATION_REQUEST: |
todotani | 1:6078e430af82 | 833 | response_len = handle_find_information_request(request_buffer, request_len,response_buffer, response_buffer_size); |
todotani | 1:6078e430af82 | 834 | break; |
todotani | 1:6078e430af82 | 835 | case ATT_FIND_BY_TYPE_VALUE_REQUEST: |
todotani | 1:6078e430af82 | 836 | response_len = handle_find_by_type_value_request(request_buffer, request_len, response_buffer, response_buffer_size); |
todotani | 1:6078e430af82 | 837 | break; |
todotani | 1:6078e430af82 | 838 | case ATT_READ_BY_TYPE_REQUEST: |
todotani | 1:6078e430af82 | 839 | response_len = handle_read_by_type_request(request_buffer, request_len, response_buffer, response_buffer_size); |
todotani | 1:6078e430af82 | 840 | break; |
todotani | 1:6078e430af82 | 841 | case ATT_READ_REQUEST: |
todotani | 1:6078e430af82 | 842 | response_len = handle_read_request(request_buffer, request_len, response_buffer, response_buffer_size); |
todotani | 1:6078e430af82 | 843 | break; |
todotani | 1:6078e430af82 | 844 | case ATT_READ_BLOB_REQUEST: |
todotani | 1:6078e430af82 | 845 | response_len = handle_read_blob_request(request_buffer, request_len, response_buffer, response_buffer_size); |
todotani | 1:6078e430af82 | 846 | break; |
todotani | 1:6078e430af82 | 847 | case ATT_READ_MULTIPLE_REQUEST: |
todotani | 1:6078e430af82 | 848 | response_len = handle_read_multiple_request(request_buffer, request_len, response_buffer, response_buffer_size); |
todotani | 1:6078e430af82 | 849 | break; |
todotani | 1:6078e430af82 | 850 | case ATT_READ_BY_GROUP_TYPE_REQUEST: |
todotani | 1:6078e430af82 | 851 | response_len = handle_read_by_group_type_request(request_buffer, request_len, response_buffer, response_buffer_size); |
todotani | 1:6078e430af82 | 852 | break; |
todotani | 1:6078e430af82 | 853 | case ATT_WRITE_REQUEST: |
todotani | 1:6078e430af82 | 854 | response_len = handle_write_request(request_buffer, request_len, response_buffer, response_buffer_size); |
todotani | 1:6078e430af82 | 855 | break; |
todotani | 1:6078e430af82 | 856 | case ATT_PREPARE_WRITE_REQUEST: |
todotani | 1:6078e430af82 | 857 | response_len = handle_prepare_write_request(request_buffer, request_len, response_buffer, response_buffer_size); |
todotani | 1:6078e430af82 | 858 | break; |
todotani | 1:6078e430af82 | 859 | case ATT_EXECUTE_WRITE_REQUEST: |
todotani | 1:6078e430af82 | 860 | response_len = handle_execute_write_request(request_buffer, request_len, response_buffer, response_buffer_size); |
todotani | 1:6078e430af82 | 861 | break; |
todotani | 1:6078e430af82 | 862 | case ATT_WRITE_COMMAND: |
todotani | 1:6078e430af82 | 863 | handle_write_command(request_buffer, request_len, response_buffer, response_buffer_size); |
todotani | 1:6078e430af82 | 864 | break; |
todotani | 1:6078e430af82 | 865 | case ATT_SIGNED_WRITE_COMAND: |
todotani | 1:6078e430af82 | 866 | handle_signed_write_command(request_buffer, request_len, response_buffer, response_buffer_size); |
todotani | 1:6078e430af82 | 867 | break; |
todotani | 1:6078e430af82 | 868 | default: |
todotani | 6:cf06ba884429 | 869 | log_info("Unhandled ATT Command: %02X, DATA: ", request_buffer[0]); |
todotani | 1:6078e430af82 | 870 | hexdump2(&request_buffer[9], request_len-9); |
todotani | 1:6078e430af82 | 871 | break; |
todotani | 1:6078e430af82 | 872 | } |
todotani | 1:6078e430af82 | 873 | return response_len; |
todotani | 1:6078e430af82 | 874 | } |
todotani | 1:6078e430af82 | 875 | |
todotani | 1:6078e430af82 | 876 | #if 0 |
todotani | 1:6078e430af82 | 877 | |
todotani | 1:6078e430af82 | 878 | // test profile |
todotani | 1:6078e430af82 | 879 | #include "profile.h" |
todotani | 1:6078e430af82 | 880 | |
todotani | 1:6078e430af82 | 881 | int main(){ |
todotani | 1:6078e430af82 | 882 | int acl_buffer_size; |
todotani | 1:6078e430af82 | 883 | uint8_t acl_buffer[27]; |
todotani | 1:6078e430af82 | 884 | att_set_db(profile_data); |
todotani | 1:6078e430af82 | 885 | att_dump_attributes(); |
todotani | 1:6078e430af82 | 886 | |
todotani | 1:6078e430af82 | 887 | uint8_t uuid_1[] = { 0x00, 0x18}; |
todotani | 1:6078e430af82 | 888 | acl_buffer_size = handle_find_by_type_value_request2(acl_buffer, 19, 0, 0xffff, 0x2800, 2, (uint8_t *) &uuid_1); |
todotani | 1:6078e430af82 | 889 | hexdump2(acl_buffer, acl_buffer_size); |
todotani | 1:6078e430af82 | 890 | |
todotani | 1:6078e430af82 | 891 | uint8_t uuid_3[] = { 0x00, 0x2a}; |
todotani | 1:6078e430af82 | 892 | acl_buffer_size = handle_read_by_type_request2(acl_buffer, 19, 0, 0xffff, 2, (uint8_t *) &uuid_3); |
todotani | 1:6078e430af82 | 893 | hexdump2(acl_buffer, acl_buffer_size); |
todotani | 1:6078e430af82 | 894 | |
todotani | 1:6078e430af82 | 895 | acl_buffer_size = handle_find_by_type_value_request2(acl_buffer, 19, 0, 0xffff, 0x2800, 2, (uint8_t *) &uuid_1); |
todotani | 1:6078e430af82 | 896 | hexdump2(acl_buffer, acl_buffer_size); |
todotani | 1:6078e430af82 | 897 | |
todotani | 1:6078e430af82 | 898 | uint8_t uuid_4[] = { 0x00, 0x28}; |
todotani | 1:6078e430af82 | 899 | acl_buffer_size = handle_read_by_group_type_request2(acl_buffer, 20, 0, 0xffff, 2, (uint8_t *) &uuid_4); |
todotani | 1:6078e430af82 | 900 | hexdump2(acl_buffer, acl_buffer_size); |
todotani | 1:6078e430af82 | 901 | |
todotani | 1:6078e430af82 | 902 | acl_buffer_size = handle_find_information_request2(acl_buffer, 20, 0, 0xffff); |
todotani | 1:6078e430af82 | 903 | hexdump2(acl_buffer, acl_buffer_size); |
todotani | 1:6078e430af82 | 904 | acl_buffer_size = handle_find_information_request2(acl_buffer, 20, 3, 0xffff); |
todotani | 1:6078e430af82 | 905 | hexdump2(acl_buffer, acl_buffer_size); |
todotani | 1:6078e430af82 | 906 | acl_buffer_size = handle_find_information_request2(acl_buffer, 20, 5, 0xffff); |
todotani | 1:6078e430af82 | 907 | hexdump2(acl_buffer, acl_buffer_size); |
todotani | 1:6078e430af82 | 908 | |
todotani | 1:6078e430af82 | 909 | acl_buffer_size = handle_read_request2(acl_buffer, 19, 0x0003); |
todotani | 1:6078e430af82 | 910 | hexdump2(acl_buffer, acl_buffer_size); |
todotani | 1:6078e430af82 | 911 | |
todotani | 1:6078e430af82 | 912 | return 0; |
todotani | 1:6078e430af82 | 913 | } |
todotani | 1:6078e430af82 | 914 | #endif |