George Roussos / BLE_Temperature

BLE temperature profile using digital DS1820 or analog LM35 sensors

Dependencies:   DS1820

BLE_API_Native/UUID.cpp@0:637031152314, 2015-03-07 (annotated)

Committer:
gkroussos
Date:
Sat Mar 07 16:23:41 2015 +0000
Revision:
0:637031152314
Working version 1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gkroussos 0:637031152314 1 /* mbed Microcontroller Library
gkroussos 0:637031152314 2 * Copyright (c) 2006-2013 ARM Limited
gkroussos 0:637031152314 3 *
gkroussos 0:637031152314 4 * Licensed under the Apache License, Version 2.0 (the "License");
gkroussos 0:637031152314 5 * you may not use this file except in compliance with the License.
gkroussos 0:637031152314 6 * You may obtain a copy of the License at
gkroussos 0:637031152314 7 *
gkroussos 0:637031152314 8 * http://www.apache.org/licenses/LICENSE-2.0
gkroussos 0:637031152314 9 *
gkroussos 0:637031152314 10 * Unless required by applicable law or agreed to in writing, software
gkroussos 0:637031152314 11 * distributed under the License is distributed on an "AS IS" BASIS,
gkroussos 0:637031152314 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
gkroussos 0:637031152314 13 * See the License for the specific language governing permissions and
gkroussos 0:637031152314 14 * limitations under the License.
gkroussos 0:637031152314 15 */
gkroussos 0:637031152314 16
gkroussos 0:637031152314 17
gkroussos 0:637031152314 18 #include <stdio.h>
gkroussos 0:637031152314 19 #include <string.h>
gkroussos 0:637031152314 20
gkroussos 0:637031152314 21 #include "UUID.h"
gkroussos 0:637031152314 22
gkroussos 0:637031152314 23 /**************************************************************************/
gkroussos 0:637031152314 24 /*!
gkroussos 0:637031152314 25 @brief Creates an empty 128-bit UUID
gkroussos 0:637031152314 26
gkroussos 0:637031152314 27 @note This UUID must be assigned a valid value via the 'update'
gkroussos 0:637031152314 28 function before it can be safely used!
gkroussos 0:637031152314 29 */
gkroussos 0:637031152314 30 /**************************************************************************/
gkroussos 0:637031152314 31 UUID::UUID(void)
gkroussos 0:637031152314 32 {
gkroussos 0:637031152314 33 memset(base, 0, 16);
gkroussos 0:637031152314 34 value = 0;
gkroussos 0:637031152314 35 type = UUID_TYPE_SHORT;
gkroussos 0:637031152314 36 }
gkroussos 0:637031152314 37
gkroussos 0:637031152314 38 /**************************************************************************/
gkroussos 0:637031152314 39 /*!
gkroussos 0:637031152314 40 @brief Creates a new 128-bit UUID
gkroussos 0:637031152314 41
gkroussos 0:637031152314 42 @note The UUID is a unique 128-bit (16 byte) ID used to identify
gkroussos 0:637031152314 43 different service or characteristics on the BLE device.
gkroussos 0:637031152314 44
gkroussos 0:637031152314 45 @note When creating a UUID, the constructor will check if all bytes
gkroussos 0:637031152314 46 except bytes 2/3 are equal to 0. If only bytes 2/3 have a
gkroussos 0:637031152314 47 value, the UUID will be treated as a short/BLE UUID, and the
gkroussos 0:637031152314 48 .type field will be set to UUID::UUID_TYPE_SHORT. If any
gkroussos 0:637031152314 49 of the bytes outside byte 2/3 have a non-zero value, the UUID
gkroussos 0:637031152314 50 will be considered a 128-bit ID, and .type will be assigned
gkroussos 0:637031152314 51 as UUID::UUID_TYPE_LONG.
gkroussos 0:637031152314 52
gkroussos 0:637031152314 53 @param[in] uuid_base
gkroussos 0:637031152314 54 The 128-bit (16-byte) UUID value. For 128-bit values,
gkroussos 0:637031152314 55 assign all 16 bytes. For 16-bit values, assign the
gkroussos 0:637031152314 56 16-bits to byte 2 and 3, and leave the rest of the bytes
gkroussos 0:637031152314 57 as 0.
gkroussos 0:637031152314 58
gkroussos 0:637031152314 59 @section EXAMPLE
gkroussos 0:637031152314 60
gkroussos 0:637031152314 61 @code
gkroussos 0:637031152314 62
gkroussos 0:637031152314 63 // Create a short UUID (0x180F)
gkroussos 0:637031152314 64 uint8_t shortID[16] = { 0, 0, 0x0F, 0x18, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
gkroussos 0:637031152314 65 UUID ble_uuid = UUID(shortID);
gkroussos 0:637031152314 66 // ble_uuid.type = UUID_TYPE_SHORT
gkroussos 0:637031152314 67 // ble_uuid.value = 0x180F
gkroussos 0:637031152314 68
gkroussos 0:637031152314 69 // Creeate a long UUID
gkroussos 0:637031152314 70 uint8_t longID[16] = { 0x00, 0x11, 0x22, 0x33,
gkroussos 0:637031152314 71 0x44, 0x55, 0x66, 0x77,
gkroussos 0:637031152314 72 0x88, 0x99, 0xAA, 0xBB,
gkroussos 0:637031152314 73 0xCC, 0xDD, 0xEE, 0xFF };
gkroussos 0:637031152314 74 UUID custom_uuid = UUID(longID);
gkroussos 0:637031152314 75 // custom_uuid.type = UUID_TYPE_LONG
gkroussos 0:637031152314 76 // custom_uuid.value = 0x3322
gkroussos 0:637031152314 77 // custom_uuid.base = 00 11 22 33 44 55 66 77 88 99 AA BB CC DD EE FF
gkroussos 0:637031152314 78
gkroussos 0:637031152314 79 @endcode
gkroussos 0:637031152314 80 */
gkroussos 0:637031152314 81 /**************************************************************************/
gkroussos 0:637031152314 82 UUID::UUID(uint8_t const uuid_base[16])
gkroussos 0:637031152314 83 {
gkroussos 0:637031152314 84 memcpy(base, uuid_base, 16);
gkroussos 0:637031152314 85 value = (uint16_t)((uuid_base[3] << 8) | (uuid_base[2]));
gkroussos 0:637031152314 86
gkroussos 0:637031152314 87 /* Check if this is a short of a long UUID */
gkroussos 0:637031152314 88 if (uuid_base[0] + uuid_base[1] +
gkroussos 0:637031152314 89 uuid_base[4] + uuid_base[5] + uuid_base[6] + uuid_base[7] +
gkroussos 0:637031152314 90 uuid_base[8] + uuid_base[9] + uuid_base[10] + uuid_base[11] +
gkroussos 0:637031152314 91 uuid_base[12] + uuid_base[13] + uuid_base[14] + uuid_base[15] == 0)
gkroussos 0:637031152314 92 {
gkroussos 0:637031152314 93 type = UUID_TYPE_SHORT;
gkroussos 0:637031152314 94 }
gkroussos 0:637031152314 95 else
gkroussos 0:637031152314 96 {
gkroussos 0:637031152314 97 type = UUID_TYPE_LONG;
gkroussos 0:637031152314 98 }
gkroussos 0:637031152314 99 }
gkroussos 0:637031152314 100
gkroussos 0:637031152314 101 /**************************************************************************/
gkroussos 0:637031152314 102 /*!
gkroussos 0:637031152314 103 @brief Creates a short (16-bit) UUID
gkroussos 0:637031152314 104
gkroussos 0:637031152314 105 @param[in] ble_uuid
gkroussos 0:637031152314 106 The 16-bit BLE UUID value.
gkroussos 0:637031152314 107 */
gkroussos 0:637031152314 108 /**************************************************************************/
gkroussos 0:637031152314 109 UUID::UUID(uint16_t const ble_uuid)
gkroussos 0:637031152314 110 {
gkroussos 0:637031152314 111 memset(base, 0, 16);
gkroussos 0:637031152314 112 memcpy(base+2, (uint8_t *)&ble_uuid, 2);
gkroussos 0:637031152314 113 value = ble_uuid;
gkroussos 0:637031152314 114 type = UUID_TYPE_SHORT;
gkroussos 0:637031152314 115 }
gkroussos 0:637031152314 116
gkroussos 0:637031152314 117 /**************************************************************************/
gkroussos 0:637031152314 118 /*!
gkroussos 0:637031152314 119 @brief UUID destructor
gkroussos 0:637031152314 120 */
gkroussos 0:637031152314 121 /**************************************************************************/
gkroussos 0:637031152314 122 UUID::~UUID(void)
gkroussos 0:637031152314 123 {
gkroussos 0:637031152314 124 }
gkroussos 0:637031152314 125
gkroussos 0:637031152314 126 /**************************************************************************/
gkroussos 0:637031152314 127 /*!
gkroussos 0:637031152314 128 @brief Updates the value of the UUID
gkroussos 0:637031152314 129
gkroussos 0:637031152314 130 @args[in] uuid_base
gkroussos 0:637031152314 131 The 128-bit value to use when updating the UUID. For
gkroussos 0:637031152314 132 16-bit IDs, insert the ID in bytes 2/3 in LSB format.
gkroussos 0:637031152314 133
gkroussos 0:637031152314 134 @returns BLE_ERROR_NONE (0) if everything executed correctly, or an
gkroussos 0:637031152314 135 error code if there was a problem
gkroussos 0:637031152314 136 @retval BLE_ERROR_NONE
gkroussos 0:637031152314 137 Everything executed correctly
gkroussos 0:637031152314 138
gkroussos 0:637031152314 139 @section EXAMPLE
gkroussos 0:637031152314 140
gkroussos 0:637031152314 141 @code
gkroussos 0:637031152314 142
gkroussos 0:637031152314 143 @endcode
gkroussos 0:637031152314 144 */
gkroussos 0:637031152314 145 /**************************************************************************/
gkroussos 0:637031152314 146 ble_error_t UUID::update(uint8_t const uuid_base[16])
gkroussos 0:637031152314 147 {
gkroussos 0:637031152314 148 memcpy(base, uuid_base, 16);
gkroussos 0:637031152314 149 value = (uint16_t)((uuid_base[3] << 8) | (uuid_base[2]));
gkroussos 0:637031152314 150
gkroussos 0:637031152314 151 /* Check if this is a short of a long UUID */
gkroussos 0:637031152314 152 if (uuid_base[0] + uuid_base[1] +
gkroussos 0:637031152314 153 uuid_base[4] + uuid_base[5] + uuid_base[6] + uuid_base[7] +
gkroussos 0:637031152314 154 uuid_base[8] + uuid_base[9] + uuid_base[10] + uuid_base[11] +
gkroussos 0:637031152314 155 uuid_base[12] + uuid_base[13] + uuid_base[14] + uuid_base[15] == 0)
gkroussos 0:637031152314 156 {
gkroussos 0:637031152314 157 type = UUID_TYPE_SHORT;
gkroussos 0:637031152314 158 }
gkroussos 0:637031152314 159 else
gkroussos 0:637031152314 160 {
gkroussos 0:637031152314 161 type = UUID_TYPE_LONG;
gkroussos 0:637031152314 162 }
gkroussos 0:637031152314 163
gkroussos 0:637031152314 164 return BLE_ERROR_NONE;
gkroussos 0:637031152314 165 }
gkroussos 0:637031152314 166
gkroussos 0:637031152314 167 /**************************************************************************/
gkroussos 0:637031152314 168 /*!
gkroussos 0:637031152314 169 @brief Updates the value of the UUID
gkroussos 0:637031152314 170
gkroussos 0:637031152314 171 @args[in] ble_uuid
gkroussos 0:637031152314 172 The 16-bit value to use when updating the UUID.
gkroussos 0:637031152314 173
gkroussos 0:637031152314 174 @returns BLE_ERROR_NONE (0) if everything executed correctly, or an
gkroussos 0:637031152314 175 error code if there was a problem
gkroussos 0:637031152314 176 @retval BLE_ERROR_NONE
gkroussos 0:637031152314 177 Everything executed correctly
gkroussos 0:637031152314 178
gkroussos 0:637031152314 179 @section EXAMPLE
gkroussos 0:637031152314 180
gkroussos 0:637031152314 181 @code
gkroussos 0:637031152314 182
gkroussos 0:637031152314 183 @endcode
gkroussos 0:637031152314 184 */
gkroussos 0:637031152314 185 /**************************************************************************/
gkroussos 0:637031152314 186 ble_error_t UUID::update(uint16_t const ble_uuid)
gkroussos 0:637031152314 187 {
gkroussos 0:637031152314 188 memset(base, 0, 16);
gkroussos 0:637031152314 189 memcpy(base+2, (uint8_t *)&ble_uuid, 2);
gkroussos 0:637031152314 190 value = ble_uuid;
gkroussos 0:637031152314 191 type = UUID_TYPE_SHORT;
gkroussos 0:637031152314 192
gkroussos 0:637031152314 193 return BLE_ERROR_NONE;
gkroussos 0:637031152314 194 }