diff --git a/public/UUID.h b/public/UUID.h index e2f759c..88891b1 100644 --- a/public/UUID.h +++ b/public/UUID.h @@ -1,129 +1,129 @@ -/* 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. - */ - -#ifndef __UUID_H__ -#define __UUID_H__ - -#include - -#include "blecommon.h" - -class UUID { -public: - enum UUID_Type_t { - UUID_TYPE_SHORT = 0, // Short BLE UUID - UUID_TYPE_LONG = 1 // Full 128-bit UUID - }; - - static const unsigned LENGTH_OF_LONG_UUID = 16; - typedef uint16_t ShortUUIDBytes_t; - typedef uint8_t LongUUIDBytes_t[LENGTH_OF_LONG_UUID]; - -public: - /** - * 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. - * - * @param longUUID - * The 128-bit (16-byte) UUID value. - */ - UUID(const LongUUIDBytes_t longUUID) : type(UUID_TYPE_LONG), baseUUID(), shortUUID(0) { - memcpy(baseUUID, longUUID, LENGTH_OF_LONG_UUID); - shortUUID = (uint16_t)((longUUID[2] << 8) | (longUUID[3])); - } - - /** - * Creates a new 16-bit UUID - * - * @note The UUID is a unique 16-bit (2 byte) ID used to identify - * different service or characteristics on the BLE device. - * - * For efficiency, and because 16 bytes would take a large chunk of the - * 27-byte data payload length of the Link Layer, the BLE specification adds - * two additional UUID formats: 16-bit and 32-bit UUIDs. These shortened - * formats can be used only with UUIDs that are defined in the Bluetooth - * specification (i.e., that are listed by the Bluetooth SIG as standard - * Bluetooth UUIDs). - * - * To reconstruct the full 128-bit UUID from the shortened version, insert - * the 16-bit short value (indicated by xxxx, including leading zeros) into - * the Bluetooth Base UUID: - * - * 0000xxxx-0000-1000-8000-00805F9B34FB - * - * @note Shortening is not available for UUIDs that are not derived from the - * Bluetooth Base UUID. Such non-standard UUIDs are commonly called - * vendor-specific UUIDs. In these cases, you’ll need to use the full - * 128-bit UUID value at all times. - * - * @note we don't yet support 32-bit shortened UUIDs. - */ - UUID(ShortUUIDBytes_t shortUUID) : type(UUID_TYPE_SHORT), baseUUID(), shortUUID(shortUUID) { - /* empty */ - } - - UUID(const UUID &source) { - type = source.type; - shortUUID = source.shortUUID; - memcpy(baseUUID, source.baseUUID, LENGTH_OF_LONG_UUID); - } - - UUID(void) : type(UUID_TYPE_SHORT), shortUUID(BLE_UUID_UNKNOWN) { - /* empty */ - } - -public: - UUID_Type_t shortOrLong(void) const {return type; } - const uint8_t *getBaseUUID(void) const { - if (type == UUID_TYPE_SHORT) { - return (const uint8_t*)&shortUUID; - } else { - return baseUUID; - } - } - - ShortUUIDBytes_t getShortUUID(void) const {return shortUUID;} - uint8_t getLen(void) const { - return ((type == UUID_TYPE_SHORT) ? sizeof(ShortUUIDBytes_t) : LENGTH_OF_LONG_UUID); - } - - bool operator== (const UUID &other) const { - if ((this->type == UUID_TYPE_SHORT) && (other.type == UUID_TYPE_SHORT) && - (this->shortUUID == other.shortUUID)) { - return true; - } - - if ((this->type == UUID_TYPE_LONG) && (other.type == UUID_TYPE_LONG) && - (memcmp(this->baseUUID, other.baseUUID, LENGTH_OF_LONG_UUID) == 0)) { - return true; - } - - return false; - } - -private: - UUID_Type_t type; // UUID_TYPE_SHORT or UUID_TYPE_LONG - LongUUIDBytes_t baseUUID; /* the base of the long UUID (if - * used). Note: bytes 12 and 13 (counting from LSB) - * are zeroed out to allow comparison with other long - * UUIDs which differ only in the 16-bit relative - * part.*/ - ShortUUIDBytes_t shortUUID; // 16 bit uuid (byte 2-3 using with base) -}; - -#endif // ifndef __UUID_H__ +/* 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. + */ + +#ifndef __UUID_H__ +#define __UUID_H__ + +#include + +#include "blecommon.h" + +class UUID { +public: + enum UUID_Type_t { + UUID_TYPE_SHORT = 0, // Short BLE UUID + UUID_TYPE_LONG = 1 // Full 128-bit UUID + }; + + static const unsigned LENGTH_OF_LONG_UUID = 16; + typedef uint16_t ShortUUIDBytes_t; + typedef uint8_t LongUUIDBytes_t[LENGTH_OF_LONG_UUID]; + +public: + /** + * 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. + * + * @param longUUID + * The 128-bit (16-byte) UUID value, MSB first (big-endian). + */ + UUID(const LongUUIDBytes_t longUUID) : type(UUID_TYPE_LONG), baseUUID(), shortUUID(0) { + memcpy(baseUUID, longUUID, LENGTH_OF_LONG_UUID); + shortUUID = (uint16_t)((longUUID[2] << 8) | (longUUID[3])); + } + + /** + * Creates a new 16-bit UUID + * + * @note The UUID is a unique 16-bit (2 byte) ID used to identify + * different service or characteristics on the BLE device. + * + * For efficiency, and because 16 bytes would take a large chunk of the + * 27-byte data payload length of the Link Layer, the BLE specification adds + * two additional UUID formats: 16-bit and 32-bit UUIDs. These shortened + * formats can be used only with UUIDs that are defined in the Bluetooth + * specification (i.e., that are listed by the Bluetooth SIG as standard + * Bluetooth UUIDs). + * + * To reconstruct the full 128-bit UUID from the shortened version, insert + * the 16-bit short value (indicated by xxxx, including leading zeros) into + * the Bluetooth Base UUID: + * + * 0000xxxx-0000-1000-8000-00805F9B34FB + * + * @note Shortening is not available for UUIDs that are not derived from the + * Bluetooth Base UUID. Such non-standard UUIDs are commonly called + * vendor-specific UUIDs. In these cases, you’ll need to use the full + * 128-bit UUID value at all times. + * + * @note we don't yet support 32-bit shortened UUIDs. + */ + UUID(ShortUUIDBytes_t shortUUID) : type(UUID_TYPE_SHORT), baseUUID(), shortUUID(shortUUID) { + /* empty */ + } + + UUID(const UUID &source) { + type = source.type; + shortUUID = source.shortUUID; + memcpy(baseUUID, source.baseUUID, LENGTH_OF_LONG_UUID); + } + + UUID(void) : type(UUID_TYPE_SHORT), shortUUID(BLE_UUID_UNKNOWN) { + /* empty */ + } + +public: + UUID_Type_t shortOrLong(void) const {return type; } + const uint8_t *getBaseUUID(void) const { + if (type == UUID_TYPE_SHORT) { + return (const uint8_t*)&shortUUID; + } else { + return baseUUID; + } + } + + ShortUUIDBytes_t getShortUUID(void) const {return shortUUID;} + uint8_t getLen(void) const { + return ((type == UUID_TYPE_SHORT) ? sizeof(ShortUUIDBytes_t) : LENGTH_OF_LONG_UUID); + } + + bool operator== (const UUID &other) const { + if ((this->type == UUID_TYPE_SHORT) && (other.type == UUID_TYPE_SHORT) && + (this->shortUUID == other.shortUUID)) { + return true; + } + + if ((this->type == UUID_TYPE_LONG) && (other.type == UUID_TYPE_LONG) && + (memcmp(this->baseUUID, other.baseUUID, LENGTH_OF_LONG_UUID) == 0)) { + return true; + } + + return false; + } + +private: + UUID_Type_t type; // UUID_TYPE_SHORT or UUID_TYPE_LONG + LongUUIDBytes_t baseUUID; /* the base of the long UUID (if + * used). Note: bytes 12 and 13 (counting from LSB) + * are zeroed out to allow comparison with other long + * UUIDs which differ only in the 16-bit relative + * part.*/ + ShortUUIDBytes_t shortUUID; // 16 bit uuid (byte 2-3 using with base) +}; + +#endif // ifndef __UUID_H__