BLE_API_Tiny_BLE
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Diff: UUID.cpp
- Revision:
- 106:a20be740075d
- Parent:
- 105:f29ab9f74d7e
- Child:
- 107:bd10367dfd1c
--- a/UUID.cpp Fri Jul 11 14:39:17 2014 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,113 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2006-2013 ARM Limited - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - - -#include <stdio.h> -#include <string.h> - -#include "UUID.h" - -/**************************************************************************/ -/*! - @brief Creates a new 128-bit UUID - - @note The UUID is a unique 128-bit (16 byte) ID used to identify - different service or characteristics on the BLE device. - - @note When creating a UUID, the constructor will check if all bytes - except bytes 2/3 are equal to 0. If only bytes 2/3 have a - value, the UUID will be treated as a short/BLE UUID, and the - .type field will be set to UUID::UUID_TYPE_SHORT. If any - of the bytes outside byte 2/3 have a non-zero value, the UUID - will be considered a 128-bit ID, and .type will be assigned - as UUID::UUID_TYPE_LONG. - - @param[in] uuid_base - The 128-bit (16-byte) UUID value. For 128-bit values, - assign all 16 bytes. For 16-bit values, assign the - 16-bits to byte 2 and 3, and leave the rest of the bytes - as 0. - - @section EXAMPLE - - @code - - // Create a short UUID (0x180F) - uint8_t shortID[16] = { 0, 0, 0x0F, 0x18, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; - UUID ble_uuid = UUID(shortID); - // ble_uuid.type = UUID_TYPE_SHORT - // ble_uuid.value = 0x180F - - // Creeate a long UUID - uint8_t longID[16] = { 0x00, 0x11, 0x22, 0x33, - 0x44, 0x55, 0x66, 0x77, - 0x88, 0x99, 0xAA, 0xBB, - 0xCC, 0xDD, 0xEE, 0xFF }; - UUID custom_uuid = UUID(longID); - // custom_uuid.type = UUID_TYPE_LONG - // custom_uuid.value = 0x3322 - // custom_uuid.base = 00 11 22 33 44 55 66 77 88 99 AA BB CC DD EE FF - - @endcode -*/ -/**************************************************************************/ -UUID::UUID(const LongUUID_t longUUID) : type(UUID_TYPE_SHORT), baseUUID(), shortUUID(0) -{ - memcpy(baseUUID, longUUID, LENGTH_OF_LONG_UUID); - shortUUID = (uint16_t)((longUUID[2] << 8) | (longUUID[3])); - - /* Check if this is a short of a long UUID */ - unsigned index; - for (index = 0; index < LENGTH_OF_LONG_UUID; index++) { - if ((index == 2) || (index == 3)) { - continue; /* we should not consider bytes 2 and 3 because that's - * where the 16-bit relative UUID is placed. */ - } - - if (baseUUID[index] != 0) { - type = UUID_TYPE_LONG; - - /* zero out the 16-bit part in the base; this will help equate long - * UUIDs when they differ only in this 16-bit relative part.*/ - baseUUID[2] = 0; - baseUUID[3] = 0; - - return; - } - } -} - -/**************************************************************************/ -/*! - @brief Creates a short (16-bit) UUID - - @param[in] ble_uuid - The 16-bit BLE UUID value. -*/ -/**************************************************************************/ -UUID::UUID(ShortUUID_t shortUUID) : type(UUID_TYPE_SHORT), baseUUID(), shortUUID(shortUUID) -{ - /* empty */ -} - -/**************************************************************************/ -/*! - @brief UUID destructor -*/ -/**************************************************************************/ -UUID::~UUID(void) -{ -}