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Diff: common/UUID.cpp
- Revision:
- 260:ea7f9f14cc15
- Parent:
- 144:c025c8839682
- Child:
- 291:0b66dd15728e
--- a/common/UUID.cpp Wed Jan 21 09:32:48 2015 +0000 +++ b/common/UUID.cpp Wed Jan 21 09:32:49 2015 +0000 @@ -1,94 +1,93 @@ -/* 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 <string.h> - -#include "UUID.h" - -UUID::UUID(ShortUUIDBytes_t shortUUID) : type(UUID_TYPE_SHORT), baseUUID(), shortUUID(shortUUID) { - /* empty */ -} - -/**************************************************************************/ -/*! - @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 LongUUIDBytes_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; - } - } -} - \ No newline at end of file +/* 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 <string.h> + +#include "UUID.h" + +UUID::UUID(ShortUUIDBytes_t shortUUID) : type(UUID_TYPE_SHORT), baseUUID(), shortUUID(shortUUID) { + /* empty */ +} + +/**************************************************************************/ +/*! + @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 LongUUIDBytes_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; + } + } +}