YUFEI JIANG / BLE_API_Tiny_BLE

BLE_API_Tiny_BLE

Dependents:   CSSE4011_BLE_IMU

Fork of BLE_API by Bluetooth Low Energy

public/GattServer.h@408:d383315df10b, 2015-06-10 (annotated)

Committer:
flywind
Date:
Wed Jun 10 09:43:26 2015 +0000
Revision:
408:d383315df10b
Parent:
340:c7684a5bc2e1
Child:
342:152bd9c825d6
CSSE4011 BLE IMU Project

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rgrover1 258:85de85adfac7 1 /* mbed Microcontroller Library
rgrover1 258:85de85adfac7 2 * Copyright (c) 2006-2013 ARM Limited
rgrover1 258:85de85adfac7 3 *
rgrover1 258:85de85adfac7 4 * Licensed under the Apache License, Version 2.0 (the "License");
rgrover1 258:85de85adfac7 5 * you may not use this file except in compliance with the License.
rgrover1 258:85de85adfac7 6 * You may obtain a copy of the License at
rgrover1 258:85de85adfac7 7 *
rgrover1 258:85de85adfac7 8 * http://www.apache.org/licenses/LICENSE-2.0
rgrover1 258:85de85adfac7 9 *
rgrover1 258:85de85adfac7 10 * Unless required by applicable law or agreed to in writing, software
rgrover1 258:85de85adfac7 11 * distributed under the License is distributed on an "AS IS" BASIS,
rgrover1 258:85de85adfac7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
rgrover1 258:85de85adfac7 13 * See the License for the specific language governing permissions and
rgrover1 258:85de85adfac7 14 * limitations under the License.
rgrover1 258:85de85adfac7 15 */
rgrover1 258:85de85adfac7 16
rgrover1 258:85de85adfac7 17 #ifndef __GATT_SERVER_H__
rgrover1 258:85de85adfac7 18 #define __GATT_SERVER_H__
rgrover1 258:85de85adfac7 19
rgrover1 340:c7684a5bc2e1 20 #include "Gap.h"
rgrover1 258:85de85adfac7 21 #include "GattService.h"
rgrover1 340:c7684a5bc2e1 22 #include "GattAttribute.h"
rgrover1 258:85de85adfac7 23 #include "GattServerEvents.h"
rgrover1 264:eea11cfb6753 24 #include "GattCharacteristicCallbackParams.h"
rgrover1 258:85de85adfac7 25 #include "CallChainOfFunctionPointersWithContext.h"
rgrover1 258:85de85adfac7 26
rgrover1 258:85de85adfac7 27 class GattServer {
rgrover1 258:85de85adfac7 28 public:
rgrover1 258:85de85adfac7 29 /* Event callback handlers. */
rgrover1 258:85de85adfac7 30 typedef void (*EventCallback_t)(uint16_t attributeHandle);
rgrover1 258:85de85adfac7 31 typedef void (*ServerEventCallback_t)(void); /**< independent of any particular attribute */
rgrover1 258:85de85adfac7 32
rgrover1 258:85de85adfac7 33 protected:
rgrover1 263:73847e8b6025 34 GattServer() :
rgrover1 263:73847e8b6025 35 serviceCount(0),
rgrover1 263:73847e8b6025 36 characteristicCount(0),
rgrover1 263:73847e8b6025 37 onDataSent(),
rgrover1 263:73847e8b6025 38 onDataWritten(),
rgrover1 300:d9a39f759a6a 39 onDataRead(),
rgrover1 263:73847e8b6025 40 onUpdatesEnabled(NULL),
rgrover1 263:73847e8b6025 41 onUpdatesDisabled(NULL),
rgrover1 263:73847e8b6025 42 onConfirmationReceived(NULL) {
rgrover1 258:85de85adfac7 43 /* empty */
rgrover1 258:85de85adfac7 44 }
rgrover1 258:85de85adfac7 45
rgrover1 258:85de85adfac7 46 friend class BLEDevice;
rgrover1 258:85de85adfac7 47 private:
rgrover1 258:85de85adfac7 48 /* These functions must be defined in the sub-class */
rgrover1 328:1fd12f67ed7a 49 virtual ble_error_t addService(GattService &) = 0;
rgrover1 328:1fd12f67ed7a 50 virtual ble_error_t readValue(GattAttribute::Handle_t attributeHandle, uint8_t buffer[], uint16_t *lengthP) = 0;
rgrover1 328:1fd12f67ed7a 51 virtual ble_error_t updateValue(GattAttribute::Handle_t, const uint8_t[], uint16_t, bool localOnly = false) = 0;
rgrover1 328:1fd12f67ed7a 52 virtual ble_error_t initializeGATTDatabase(void) = 0;
rgrover1 258:85de85adfac7 53
rgrover1 258:85de85adfac7 54 // ToDo: For updateValue, check the CCCD to see if the value we are
rgrover1 258:85de85adfac7 55 // updating has the notify or indicate bits sent, and if BOTH are set
rgrover1 258:85de85adfac7 56 // be sure to call sd_ble_gatts_hvx() twice with notify then indicate!
rgrover1 258:85de85adfac7 57 // Strange use case, but valid and must be covered!
rgrover1 258:85de85adfac7 58
rgrover1 259:a95264ad705c 59 void setOnDataSent(void (*callback)(unsigned count)) {onDataSent.add(callback);}
rgrover1 259:a95264ad705c 60 template <typename T>
rgrover1 259:a95264ad705c 61 void setOnDataSent(T *objPtr, void (T::*memberPtr)(unsigned count)) {
rgrover1 259:a95264ad705c 62 onDataSent.add(objPtr, memberPtr);
rgrover1 259:a95264ad705c 63 }
rgrover1 258:85de85adfac7 64 void setOnDataWritten(void (*callback)(const GattCharacteristicWriteCBParams *eventDataP)) {onDataWritten.add(callback);}
rgrover1 258:85de85adfac7 65 template <typename T>
rgrover1 258:85de85adfac7 66 void setOnDataWritten(T *objPtr, void (T::*memberPtr)(const GattCharacteristicWriteCBParams *context)) {
rgrover1 258:85de85adfac7 67 onDataWritten.add(objPtr, memberPtr);
rgrover1 258:85de85adfac7 68 }
rgrover1 300:d9a39f759a6a 69
rgrover1 300:d9a39f759a6a 70 /**
rgrover1 300:d9a39f759a6a 71 * A virtual function to allow underlying stacks to indicate if they support
rgrover1 300:d9a39f759a6a 72 * onDataRead(). It should be overridden to return true as applicable.
rgrover1 300:d9a39f759a6a 73 */
rgrover1 301:54c87189e423 74 virtual bool isOnDataReadAvailable() const {
rgrover1 300:d9a39f759a6a 75 return false;
rgrover1 300:d9a39f759a6a 76 }
rgrover1 300:d9a39f759a6a 77 ble_error_t setOnDataRead(void (*callback)(const GattCharacteristicReadCBParams *eventDataP)) {
rgrover1 301:54c87189e423 78 if (!isOnDataReadAvailable()) {
rgrover1 300:d9a39f759a6a 79 return BLE_ERROR_NOT_IMPLEMENTED;
rgrover1 300:d9a39f759a6a 80 }
rgrover1 300:d9a39f759a6a 81
rgrover1 300:d9a39f759a6a 82 onDataRead.add(callback);
rgrover1 300:d9a39f759a6a 83 return BLE_ERROR_NONE;
rgrover1 300:d9a39f759a6a 84 }
rgrover1 300:d9a39f759a6a 85 template <typename T>
rgrover1 300:d9a39f759a6a 86 ble_error_t setOnDataRead(T *objPtr, void (T::*memberPtr)(const GattCharacteristicReadCBParams *context)) {
rgrover1 301:54c87189e423 87 if (!isOnDataReadAvailable()) {
rgrover1 300:d9a39f759a6a 88 return BLE_ERROR_NOT_IMPLEMENTED;
rgrover1 300:d9a39f759a6a 89 }
rgrover1 300:d9a39f759a6a 90
rgrover1 300:d9a39f759a6a 91 onDataRead.add(objPtr, memberPtr);
rgrover1 300:d9a39f759a6a 92 return BLE_ERROR_NONE;
rgrover1 300:d9a39f759a6a 93 }
rgrover1 258:85de85adfac7 94 void setOnUpdatesEnabled(EventCallback_t callback) {onUpdatesEnabled = callback;}
rgrover1 258:85de85adfac7 95 void setOnUpdatesDisabled(EventCallback_t callback) {onUpdatesDisabled = callback;}
rgrover1 258:85de85adfac7 96 void setOnConfirmationReceived(EventCallback_t callback) {onConfirmationReceived = callback;}
rgrover1 258:85de85adfac7 97
rgrover1 258:85de85adfac7 98 protected:
rgrover1 258:85de85adfac7 99 void handleDataWrittenEvent(const GattCharacteristicWriteCBParams *params) {
rgrover1 258:85de85adfac7 100 if (onDataWritten.hasCallbacksAttached()) {
rgrover1 258:85de85adfac7 101 onDataWritten.call(params);
rgrover1 258:85de85adfac7 102 }
rgrover1 258:85de85adfac7 103 }
rgrover1 258:85de85adfac7 104
rgrover1 300:d9a39f759a6a 105 void handleDataReadEvent(const GattCharacteristicReadCBParams *params) {
rgrover1 300:d9a39f759a6a 106 if (onDataRead.hasCallbacksAttached()) {
rgrover1 300:d9a39f759a6a 107 onDataRead.call(params);
rgrover1 300:d9a39f759a6a 108 }
rgrover1 300:d9a39f759a6a 109 }
rgrover1 300:d9a39f759a6a 110
rgrover1 258:85de85adfac7 111 void handleEvent(GattServerEvents::gattEvent_e type, uint16_t charHandle) {
rgrover1 258:85de85adfac7 112 switch (type) {
rgrover1 258:85de85adfac7 113 case GattServerEvents::GATT_EVENT_UPDATES_ENABLED:
rgrover1 258:85de85adfac7 114 if (onUpdatesEnabled) {
rgrover1 258:85de85adfac7 115 onUpdatesEnabled(charHandle);
rgrover1 258:85de85adfac7 116 }
rgrover1 258:85de85adfac7 117 break;
rgrover1 258:85de85adfac7 118 case GattServerEvents::GATT_EVENT_UPDATES_DISABLED:
rgrover1 258:85de85adfac7 119 if (onUpdatesDisabled) {
rgrover1 258:85de85adfac7 120 onUpdatesDisabled(charHandle);
rgrover1 258:85de85adfac7 121 }
rgrover1 258:85de85adfac7 122 break;
rgrover1 258:85de85adfac7 123 case GattServerEvents::GATT_EVENT_CONFIRMATION_RECEIVED:
rgrover1 258:85de85adfac7 124 if (onConfirmationReceived) {
rgrover1 258:85de85adfac7 125 onConfirmationReceived(charHandle);
rgrover1 258:85de85adfac7 126 }
rgrover1 258:85de85adfac7 127 break;
rgrover1 267:ad6f6f40eb24 128 default:
rgrover1 267:ad6f6f40eb24 129 break;
rgrover1 258:85de85adfac7 130 }
rgrover1 258:85de85adfac7 131 }
rgrover1 258:85de85adfac7 132
rgrover1 258:85de85adfac7 133 void handleDataSentEvent(unsigned count) {
rgrover1 259:a95264ad705c 134 if (onDataSent.hasCallbacksAttached()) {
rgrover1 259:a95264ad705c 135 onDataSent.call(count);
rgrover1 258:85de85adfac7 136 }
rgrover1 258:85de85adfac7 137 }
rgrover1 258:85de85adfac7 138
rgrover1 258:85de85adfac7 139 protected:
rgrover1 258:85de85adfac7 140 uint8_t serviceCount;
rgrover1 258:85de85adfac7 141 uint8_t characteristicCount;
rgrover1 258:85de85adfac7 142
rgrover1 258:85de85adfac7 143 private:
rgrover1 259:a95264ad705c 144 CallChainOfFunctionPointersWithContext<unsigned> onDataSent;
rgrover1 258:85de85adfac7 145 CallChainOfFunctionPointersWithContext<const GattCharacteristicWriteCBParams *> onDataWritten;
rgrover1 300:d9a39f759a6a 146 CallChainOfFunctionPointersWithContext<const GattCharacteristicReadCBParams *> onDataRead;
rgrover1 262:1749228403b7 147 EventCallback_t onUpdatesEnabled;
rgrover1 262:1749228403b7 148 EventCallback_t onUpdatesDisabled;
rgrover1 262:1749228403b7 149 EventCallback_t onConfirmationReceived;
rgrover1 258:85de85adfac7 150
rgrover1 258:85de85adfac7 151 private:
rgrover1 258:85de85adfac7 152 /* disallow copy and assignment */
rgrover1 258:85de85adfac7 153 GattServer(const GattServer &);
rgrover1 258:85de85adfac7 154 GattServer& operator=(const GattServer &);
rgrover1 258:85de85adfac7 155 };
rgrover1 258:85de85adfac7 156
rgrover1 258:85de85adfac7 157 #endif // ifndef __GATT_SERVER_H__