Lancaster University / BLE_API

Lancaster University's fork of the mbed BLE API. Lives on github, https://github.com/lancaster-university/BLE_API

Dependents:   microbit-dal microbit-dal microbit-ble-open microbit-dal ... more

Fork of BLE_API by Bluetooth Low Energy

ble/GattAttribute.h@1053:ec4a5b9b254e, 2016-01-11 (annotated)

Committer:
vcoubard
Date:
Mon Jan 11 08:51:32 2016 +0000
Revision:
1053:ec4a5b9b254e
Parent:
1048:efb29faf12fc
Child:
1054:f59e5d9a992a
Synchronized with git rev 13bf70b6

Author: Rohit Grover

Release 2.1.5

=============



A minor release to separate the concept of minlen and len in

GattCharacteristic. Also contains some improvements to documentation.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rgrover1 710:b2e1a2660ec2 1 /* mbed Microcontroller Library
rgrover1 710:b2e1a2660ec2 2 * Copyright (c) 2006-2013 ARM Limited
rgrover1 710:b2e1a2660ec2 3 *
rgrover1 710:b2e1a2660ec2 4 * Licensed under the Apache License, Version 2.0 (the "License");
rgrover1 710:b2e1a2660ec2 5 * you may not use this file except in compliance with the License.
rgrover1 710:b2e1a2660ec2 6 * You may obtain a copy of the License at
rgrover1 710:b2e1a2660ec2 7 *
rgrover1 710:b2e1a2660ec2 8 * http://www.apache.org/licenses/LICENSE-2.0
rgrover1 710:b2e1a2660ec2 9 *
rgrover1 710:b2e1a2660ec2 10 * Unless required by applicable law or agreed to in writing, software
rgrover1 710:b2e1a2660ec2 11 * distributed under the License is distributed on an "AS IS" BASIS,
rgrover1 710:b2e1a2660ec2 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
rgrover1 710:b2e1a2660ec2 13 * See the License for the specific language governing permissions and
rgrover1 710:b2e1a2660ec2 14 * limitations under the License.
rgrover1 710:b2e1a2660ec2 15 */
rgrover1 710:b2e1a2660ec2 16
rgrover1 710:b2e1a2660ec2 17 #ifndef __GATT_ATTRIBUTE_H__
rgrover1 710:b2e1a2660ec2 18 #define __GATT_ATTRIBUTE_H__
rgrover1 710:b2e1a2660ec2 19
rgrover1 710:b2e1a2660ec2 20 #include "UUID.h"
rgrover1 710:b2e1a2660ec2 21
rgrover1 710:b2e1a2660ec2 22 class GattAttribute {
rgrover1 710:b2e1a2660ec2 23 public:
rgrover1 710:b2e1a2660ec2 24 typedef uint16_t Handle_t;
rgrover1 710:b2e1a2660ec2 25 static const Handle_t INVALID_HANDLE = 0x0000;
rgrover1 710:b2e1a2660ec2 26
rgrover1 710:b2e1a2660ec2 27 public:
rgrover1 710:b2e1a2660ec2 28 /**
rgrover1 710:b2e1a2660ec2 29 * @brief Creates a new GattAttribute using the specified
vcoubard 1048:efb29faf12fc 30 * UUID, value length, and inital value.
rgrover1 710:b2e1a2660ec2 31 *
rgrover1 710:b2e1a2660ec2 32 * @param[in] uuid
vcoubard 1048:efb29faf12fc 33 * The UUID to use for this attribute.
rgrover1 710:b2e1a2660ec2 34 * @param[in] valuePtr
rgrover1 710:b2e1a2660ec2 35 * The memory holding the initial value.
vcoubard 1053:ec4a5b9b254e 36 * @param[in] len
vcoubard 1053:ec4a5b9b254e 37 * The length in bytes of this attribute's value.
rgrover1 710:b2e1a2660ec2 38 * @param[in] maxLen
vcoubard 1048:efb29faf12fc 39 * The max length in bytes of this attribute's value.
rgrover1 710:b2e1a2660ec2 40 *
rgrover1 710:b2e1a2660ec2 41 * @section EXAMPLE
rgrover1 710:b2e1a2660ec2 42 *
rgrover1 710:b2e1a2660ec2 43 * @code
rgrover1 710:b2e1a2660ec2 44 *
rgrover1 710:b2e1a2660ec2 45 * // UUID = 0x2A19, Min length 2, Max len = 2
rgrover1 710:b2e1a2660ec2 46 * GattAttribute attr = GattAttribute(0x2A19, &someValue, 2, 2);
rgrover1 710:b2e1a2660ec2 47 *
rgrover1 710:b2e1a2660ec2 48 * @endcode
rgrover1 710:b2e1a2660ec2 49 */
vcoubard 1053:ec4a5b9b254e 50 GattAttribute(const UUID &uuid, uint8_t *valuePtr = NULL, uint16_t len = 0, uint16_t maxLen = 0) :
vcoubard 1053:ec4a5b9b254e 51 _uuid(uuid), _valuePtr(valuePtr), _lenMax(maxLen), _len(len), _handle() {
vcoubard 1048:efb29faf12fc 52 /* Empty */
rgrover1 710:b2e1a2660ec2 53 }
rgrover1 710:b2e1a2660ec2 54
rgrover1 710:b2e1a2660ec2 55 public:
vcoubard 1042:21a86ac7f5b1 56 Handle_t getHandle(void) const {return _handle; }
vcoubard 1042:21a86ac7f5b1 57 const UUID &getUUID(void) const {return _uuid; }
vcoubard 1042:21a86ac7f5b1 58 uint16_t getLength(void) const {return _len; }
vcoubard 1042:21a86ac7f5b1 59 uint16_t getMaxLength(void) const {return _lenMax; }
vcoubard 1042:21a86ac7f5b1 60 uint16_t *getLengthPtr(void) {return &_len; }
vcoubard 1042:21a86ac7f5b1 61 void setHandle(Handle_t id) {_handle = id; }
vcoubard 1042:21a86ac7f5b1 62 uint8_t *getValuePtr(void) {return _valuePtr; }
rgrover1 710:b2e1a2660ec2 63
rgrover1 710:b2e1a2660ec2 64 private:
vcoubard 1048:efb29faf12fc 65 UUID _uuid; /* Characteristic UUID. */
rgrover1 710:b2e1a2660ec2 66 uint8_t *_valuePtr;
vcoubard 1048:efb29faf12fc 67 uint16_t _lenMax; /* Maximum length of the value. */
vcoubard 1048:efb29faf12fc 68 uint16_t _len; /* Current length of the value. */
rgrover1 710:b2e1a2660ec2 69 Handle_t _handle;
rgrover1 710:b2e1a2660ec2 70
rgrover1 710:b2e1a2660ec2 71 private:
vcoubard 1048:efb29faf12fc 72 /* Disallow copy and assignment. */
rgrover1 710:b2e1a2660ec2 73 GattAttribute(const GattAttribute &);
rgrover1 710:b2e1a2660ec2 74 GattAttribute& operator=(const GattAttribute &);
rgrover1 710:b2e1a2660ec2 75 };
rgrover1 710:b2e1a2660ec2 76
rgrover1 710:b2e1a2660ec2 77 #endif // ifndef __GATT_ATTRIBUTE_H__