Rene Miedema / ble_test

abc

Fork of BLE_API by Bluetooth Low Energy

public/GattServer.h@292:b5ee2ada4f33, 2015-03-02 (annotated)

Committer:
rgrover1
Date:
Mon Mar 02 11:50:47 2015 +0000
Revision:
292:b5ee2ada4f33
Parent:
267:ad6f6f40eb24
Child:
293:6278354cfd98
Synchronized with git rev 8d1b53ed

Author: Jeremy Brodt

Added callback on characteristic reads

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 258:85de85adfac7 20 #include "GattService.h"
rgrover1 258:85de85adfac7 21 #include "GattServerEvents.h"
rgrover1 264:eea11cfb6753 22 #include "GattCharacteristicCallbackParams.h"
rgrover1 258:85de85adfac7 23 #include "CallChainOfFunctionPointersWithContext.h"
rgrover1 258:85de85adfac7 24
rgrover1 258:85de85adfac7 25 class GattServer {
rgrover1 258:85de85adfac7 26 public:
rgrover1 258:85de85adfac7 27 /* Event callback handlers. */
rgrover1 258:85de85adfac7 28 typedef void (*EventCallback_t)(uint16_t attributeHandle);
rgrover1 258:85de85adfac7 29 typedef void (*ServerEventCallback_t)(void); /**< independent of any particular attribute */
rgrover1 258:85de85adfac7 30
rgrover1 258:85de85adfac7 31 protected:
rgrover1 263:73847e8b6025 32 GattServer() :
rgrover1 263:73847e8b6025 33 serviceCount(0),
rgrover1 263:73847e8b6025 34 characteristicCount(0),
rgrover1 263:73847e8b6025 35 onDataSent(),
rgrover1 263:73847e8b6025 36 onDataWritten(),
rgrover1 292:b5ee2ada4f33 37 onDataRead(),
rgrover1 263:73847e8b6025 38 onUpdatesEnabled(NULL),
rgrover1 263:73847e8b6025 39 onUpdatesDisabled(NULL),
rgrover1 263:73847e8b6025 40 onConfirmationReceived(NULL) {
rgrover1 258:85de85adfac7 41 /* empty */
rgrover1 258:85de85adfac7 42 }
rgrover1 258:85de85adfac7 43
rgrover1 258:85de85adfac7 44 friend class BLEDevice;
rgrover1 258:85de85adfac7 45 private:
rgrover1 258:85de85adfac7 46 /* These functions must be defined in the sub-class */
rgrover1 263:73847e8b6025 47 virtual ble_error_t addService(GattService &) = 0;
rgrover1 258:85de85adfac7 48 virtual ble_error_t readValue(uint16_t handle, uint8_t buffer[], uint16_t *const lengthP) = 0;
rgrover1 263:73847e8b6025 49 virtual ble_error_t updateValue(uint16_t, uint8_t[], uint16_t, bool localOnly = false) = 0;
rgrover1 263:73847e8b6025 50 virtual ble_error_t initializeGATTDatabase(void) = 0;
rgrover1 258:85de85adfac7 51
rgrover1 258:85de85adfac7 52 // ToDo: For updateValue, check the CCCD to see if the value we are
rgrover1 258:85de85adfac7 53 // updating has the notify or indicate bits sent, and if BOTH are set
rgrover1 258:85de85adfac7 54 // be sure to call sd_ble_gatts_hvx() twice with notify then indicate!
rgrover1 258:85de85adfac7 55 // Strange use case, but valid and must be covered!
rgrover1 258:85de85adfac7 56
rgrover1 259:a95264ad705c 57 void setOnDataSent(void (*callback)(unsigned count)) {onDataSent.add(callback);}
rgrover1 259:a95264ad705c 58 template <typename T>
rgrover1 259:a95264ad705c 59 void setOnDataSent(T *objPtr, void (T::*memberPtr)(unsigned count)) {
rgrover1 259:a95264ad705c 60 onDataSent.add(objPtr, memberPtr);
rgrover1 259:a95264ad705c 61 }
rgrover1 258:85de85adfac7 62 void setOnDataWritten(void (*callback)(const GattCharacteristicWriteCBParams *eventDataP)) {onDataWritten.add(callback);}
rgrover1 258:85de85adfac7 63 template <typename T>
rgrover1 258:85de85adfac7 64 void setOnDataWritten(T *objPtr, void (T::*memberPtr)(const GattCharacteristicWriteCBParams *context)) {
rgrover1 258:85de85adfac7 65 onDataWritten.add(objPtr, memberPtr);
rgrover1 258:85de85adfac7 66 }
rgrover1 292:b5ee2ada4f33 67 void setOnDataRead(void (*callback)(const GattCharacteristicReadCBParams *eventDataP)) {onDataRead.add(callback);}
rgrover1 292:b5ee2ada4f33 68 template <typename T>
rgrover1 292:b5ee2ada4f33 69 void setOnDataRead(T *objPtr, void (T::*memberPtr)(const GattCharacteristicReadCBParams *context)) {
rgrover1 292:b5ee2ada4f33 70 onDataRead.add(objPtr, memberPtr);
rgrover1 292:b5ee2ada4f33 71 }
rgrover1 258:85de85adfac7 72 void setOnUpdatesEnabled(EventCallback_t callback) {onUpdatesEnabled = callback;}
rgrover1 258:85de85adfac7 73 void setOnUpdatesDisabled(EventCallback_t callback) {onUpdatesDisabled = callback;}
rgrover1 258:85de85adfac7 74 void setOnConfirmationReceived(EventCallback_t callback) {onConfirmationReceived = callback;}
rgrover1 258:85de85adfac7 75
rgrover1 258:85de85adfac7 76 protected:
rgrover1 258:85de85adfac7 77 void handleDataWrittenEvent(const GattCharacteristicWriteCBParams *params) {
rgrover1 258:85de85adfac7 78 if (onDataWritten.hasCallbacksAttached()) {
rgrover1 258:85de85adfac7 79 onDataWritten.call(params);
rgrover1 258:85de85adfac7 80 }
rgrover1 258:85de85adfac7 81 }
rgrover1 258:85de85adfac7 82
rgrover1 292:b5ee2ada4f33 83 void handleDataReadEvent(const GattCharacteristicReadCBParams *params) {
rgrover1 292:b5ee2ada4f33 84 if (onDataRead.hasCallbacksAttached()) {
rgrover1 292:b5ee2ada4f33 85 onDataRead.call(params);
rgrover1 292:b5ee2ada4f33 86 }
rgrover1 292:b5ee2ada4f33 87 }
rgrover1 292:b5ee2ada4f33 88
rgrover1 258:85de85adfac7 89 void handleEvent(GattServerEvents::gattEvent_e type, uint16_t charHandle) {
rgrover1 258:85de85adfac7 90 switch (type) {
rgrover1 258:85de85adfac7 91 case GattServerEvents::GATT_EVENT_UPDATES_ENABLED:
rgrover1 258:85de85adfac7 92 if (onUpdatesEnabled) {
rgrover1 258:85de85adfac7 93 onUpdatesEnabled(charHandle);
rgrover1 258:85de85adfac7 94 }
rgrover1 258:85de85adfac7 95 break;
rgrover1 258:85de85adfac7 96 case GattServerEvents::GATT_EVENT_UPDATES_DISABLED:
rgrover1 258:85de85adfac7 97 if (onUpdatesDisabled) {
rgrover1 258:85de85adfac7 98 onUpdatesDisabled(charHandle);
rgrover1 258:85de85adfac7 99 }
rgrover1 258:85de85adfac7 100 break;
rgrover1 258:85de85adfac7 101 case GattServerEvents::GATT_EVENT_CONFIRMATION_RECEIVED:
rgrover1 258:85de85adfac7 102 if (onConfirmationReceived) {
rgrover1 258:85de85adfac7 103 onConfirmationReceived(charHandle);
rgrover1 258:85de85adfac7 104 }
rgrover1 258:85de85adfac7 105 break;
rgrover1 267:ad6f6f40eb24 106 default:
rgrover1 267:ad6f6f40eb24 107 break;
rgrover1 258:85de85adfac7 108 }
rgrover1 258:85de85adfac7 109 }
rgrover1 258:85de85adfac7 110
rgrover1 258:85de85adfac7 111 void handleDataSentEvent(unsigned count) {
rgrover1 259:a95264ad705c 112 if (onDataSent.hasCallbacksAttached()) {
rgrover1 259:a95264ad705c 113 onDataSent.call(count);
rgrover1 258:85de85adfac7 114 }
rgrover1 258:85de85adfac7 115 }
rgrover1 258:85de85adfac7 116
rgrover1 258:85de85adfac7 117 protected:
rgrover1 258:85de85adfac7 118 uint8_t serviceCount;
rgrover1 258:85de85adfac7 119 uint8_t characteristicCount;
rgrover1 258:85de85adfac7 120
rgrover1 258:85de85adfac7 121 private:
rgrover1 259:a95264ad705c 122 CallChainOfFunctionPointersWithContext<unsigned> onDataSent;
rgrover1 258:85de85adfac7 123 CallChainOfFunctionPointersWithContext<const GattCharacteristicWriteCBParams *> onDataWritten;
rgrover1 292:b5ee2ada4f33 124 CallChainOfFunctionPointersWithContext<const GattCharacteristicReadCBParams *> onDataRead;
rgrover1 262:1749228403b7 125 EventCallback_t onUpdatesEnabled;
rgrover1 262:1749228403b7 126 EventCallback_t onUpdatesDisabled;
rgrover1 262:1749228403b7 127 EventCallback_t onConfirmationReceived;
rgrover1 258:85de85adfac7 128
rgrover1 258:85de85adfac7 129 private:
rgrover1 258:85de85adfac7 130 /* disallow copy and assignment */
rgrover1 258:85de85adfac7 131 GattServer(const GattServer &);
rgrover1 258:85de85adfac7 132 GattServer& operator=(const GattServer &);
rgrover1 258:85de85adfac7 133 };
rgrover1 258:85de85adfac7 134
rgrover1 258:85de85adfac7 135 #endif // ifndef __GATT_SERVER_H__