Bill Schilit / BLE_API

Improve readability with getHandle inline

Fork of BLE_API by Bluetooth Low Energy

public/GattServer.h@128:685897b70e4b, 2014-11-21 (annotated)

Committer:
rgrover1
Date:
Fri Nov 21 09:23:22 2014 +0000
Revision:
128:685897b70e4b
Parent:
127:4e106f4a80b7
Child:
129:fca6e5ba7d39
Synchronized with git rev 90f241a5

Author: Rohit Grover

GattServer:: mark a few helper methods as protected.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Rohit Grover 106:a20be740075d 1 /* mbed Microcontroller Library
Rohit Grover 106:a20be740075d 2 * Copyright (c) 2006-2013 ARM Limited
Rohit Grover 106:a20be740075d 3 *
Rohit Grover 106:a20be740075d 4 * Licensed under the Apache License, Version 2.0 (the "License");
Rohit Grover 106:a20be740075d 5 * you may not use this file except in compliance with the License.
Rohit Grover 106:a20be740075d 6 * You may obtain a copy of the License at
Rohit Grover 106:a20be740075d 7 *
Rohit Grover 106:a20be740075d 8 * http://www.apache.org/licenses/LICENSE-2.0
Rohit Grover 106:a20be740075d 9 *
Rohit Grover 106:a20be740075d 10 * Unless required by applicable law or agreed to in writing, software
Rohit Grover 106:a20be740075d 11 * distributed under the License is distributed on an "AS IS" BASIS,
Rohit Grover 106:a20be740075d 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Rohit Grover 106:a20be740075d 13 * See the License for the specific language governing permissions and
Rohit Grover 106:a20be740075d 14 * limitations under the License.
Rohit Grover 106:a20be740075d 15 */
Rohit Grover 106:a20be740075d 16
Rohit Grover 106:a20be740075d 17 #ifndef __GATT_SERVER_H__
Rohit Grover 106:a20be740075d 18 #define __GATT_SERVER_H__
Rohit Grover 106:a20be740075d 19
Rohit Grover 106:a20be740075d 20 #include "GattService.h"
Rohit Grover 106:a20be740075d 21 #include "GattServerEvents.h"
Rohit Grover 116:ca826083980e 22 #include "GattCharacteristicWriteCBParams.h"
Rohit Grover 118:620d28e7a1ba 23 #include "CallChainOfFunctionPointersWithContext.h"
Rohit Grover 106:a20be740075d 24
Rohit Grover 106:a20be740075d 25 /**************************************************************************/
Rohit Grover 106:a20be740075d 26 /*!
Rohit Grover 106:a20be740075d 27 \brief
Rohit Grover 106:a20be740075d 28 The base class used to abstract GATT Server functionality to a specific
Rohit Grover 106:a20be740075d 29 radio transceiver, SOC or BLE Stack.
Rohit Grover 106:a20be740075d 30 */
Rohit Grover 106:a20be740075d 31 /**************************************************************************/
Rohit Grover 106:a20be740075d 32 class GattServer
Rohit Grover 106:a20be740075d 33 {
Rohit Grover 106:a20be740075d 34 public:
Rohit Grover 106:a20be740075d 35 /* These functions must be defined in the sub-class */
Rohit Grover 106:a20be740075d 36 virtual ble_error_t addService(GattService &) = 0;
Rohit Grover 106:a20be740075d 37 virtual ble_error_t readValue(uint16_t handle, uint8_t buffer[], uint16_t *const lengthP) = 0;
Rohit Grover 106:a20be740075d 38 virtual ble_error_t updateValue(uint16_t, uint8_t[], uint16_t, bool localOnly = false) = 0;
Rohit Grover 106:a20be740075d 39
Rohit Grover 106:a20be740075d 40 // ToDo: For updateValue, check the CCCD to see if the value we are
Rohit Grover 106:a20be740075d 41 // updating has the notify or indicate bits sent, and if BOTH are set
Rohit Grover 106:a20be740075d 42 // be sure to call sd_ble_gatts_hvx() twice with notify then indicate!
Rohit Grover 106:a20be740075d 43 // Strange use case, but valid and must be covered!
Rohit Grover 106:a20be740075d 44
Rohit Grover 106:a20be740075d 45 /* Event callback handlers. */
Rohit Grover 106:a20be740075d 46 typedef void (*EventCallback_t)(uint16_t attributeHandle);
Rohit Grover 116:ca826083980e 47 typedef void (*ServerEventCallback_t)(void); /**< independent of any particular attribute */
Rohit Grover 116:ca826083980e 48 typedef void (*ServerEventCallbackWithCount_t)(unsigned count); /**< independent of any particular attribute */
Rohit Grover 116:ca826083980e 49 void setOnDataSent(ServerEventCallbackWithCount_t callback) {
Rohit Grover 106:a20be740075d 50 onDataSent = callback;
Rohit Grover 106:a20be740075d 51 }
Rohit Grover 118:620d28e7a1ba 52 void setOnDataWritten(void (*callback)(const GattCharacteristicWriteCBParams *eventDataP)) {
Rohit Grover 118:620d28e7a1ba 53 onDataWritten.add(callback);
Rohit Grover 118:620d28e7a1ba 54 }
Rohit Grover 118:620d28e7a1ba 55 template <typename T>
Rohit Grover 118:620d28e7a1ba 56 void setOnDataWritten(T *objPtr, void (T::*memberPtr)(const GattCharacteristicWriteCBParams *context)) {
Rohit Grover 118:620d28e7a1ba 57 onDataWritten.add(objPtr, memberPtr);
Rohit Grover 106:a20be740075d 58 }
Rohit Grover 106:a20be740075d 59 void setOnUpdatesEnabled(EventCallback_t callback) {
Rohit Grover 106:a20be740075d 60 onUpdatesEnabled = callback;
Rohit Grover 106:a20be740075d 61 }
Rohit Grover 106:a20be740075d 62 void setOnUpdatesDisabled(EventCallback_t callback) {
Rohit Grover 106:a20be740075d 63 onUpdatesDisabled = callback;
Rohit Grover 106:a20be740075d 64 }
Rohit Grover 106:a20be740075d 65 void setOnConfirmationReceived(EventCallback_t callback) {
Rohit Grover 106:a20be740075d 66 onConfirmationReceived = callback;
Rohit Grover 106:a20be740075d 67 }
Rohit Grover 106:a20be740075d 68
rgrover1 128:685897b70e4b 69 protected:
rgrover1 128:685897b70e4b 70 GattServer() : serviceCount(0), characteristicCount(0), onDataSent(NULL), onDataWritten(), onUpdatesEnabled(NULL), onUpdatesDisabled(NULL), onConfirmationReceived(NULL) {
rgrover1 128:685897b70e4b 71 /* empty */
rgrover1 128:685897b70e4b 72 }
rgrover1 128:685897b70e4b 73
rgrover1 128:685897b70e4b 74 protected:
Rohit Grover 118:620d28e7a1ba 75 void handleDataWrittenEvent(const GattCharacteristicWriteCBParams *params) {
Rohit Grover 118:620d28e7a1ba 76 if (onDataWritten.hasCallbacksAttached()) {
Rohit Grover 118:620d28e7a1ba 77 onDataWritten.call(params);
Rohit Grover 116:ca826083980e 78 }
Rohit Grover 116:ca826083980e 79 }
Rohit Grover 116:ca826083980e 80
Rohit Grover 106:a20be740075d 81 void handleEvent(GattServerEvents::gattEvent_e type, uint16_t charHandle) {
Rohit Grover 106:a20be740075d 82 switch (type) {
Rohit Grover 106:a20be740075d 83 case GattServerEvents::GATT_EVENT_UPDATES_ENABLED:
Rohit Grover 106:a20be740075d 84 if (onUpdatesEnabled) {
Rohit Grover 106:a20be740075d 85 onUpdatesEnabled(charHandle);
Rohit Grover 106:a20be740075d 86 }
Rohit Grover 106:a20be740075d 87 break;
Rohit Grover 106:a20be740075d 88 case GattServerEvents::GATT_EVENT_UPDATES_DISABLED:
Rohit Grover 106:a20be740075d 89 if (onUpdatesDisabled) {
Rohit Grover 106:a20be740075d 90 onUpdatesDisabled(charHandle);
Rohit Grover 106:a20be740075d 91 }
Rohit Grover 106:a20be740075d 92 break;
Rohit Grover 106:a20be740075d 93 case GattServerEvents::GATT_EVENT_CONFIRMATION_RECEIVED:
Rohit Grover 106:a20be740075d 94 if (onConfirmationReceived) {
Rohit Grover 106:a20be740075d 95 onConfirmationReceived(charHandle);
Rohit Grover 106:a20be740075d 96 }
Rohit Grover 106:a20be740075d 97 break;
Rohit Grover 106:a20be740075d 98 }
Rohit Grover 106:a20be740075d 99 }
Rohit Grover 106:a20be740075d 100
Rohit Grover 116:ca826083980e 101 void handleDataSentEvent(unsigned count) {
Rohit Grover 116:ca826083980e 102 if (onDataSent) {
Rohit Grover 116:ca826083980e 103 onDataSent(count);
Rohit Grover 106:a20be740075d 104 }
Rohit Grover 106:a20be740075d 105 }
Rohit Grover 106:a20be740075d 106
Rohit Grover 106:a20be740075d 107 protected:
Rohit Grover 106:a20be740075d 108 uint8_t serviceCount;
Rohit Grover 106:a20be740075d 109 uint8_t characteristicCount;
carlescufi 114:f1ede142a78f 110 uint8_t descriptorCount;
Rohit Grover 106:a20be740075d 111
Rohit Grover 106:a20be740075d 112 private:
Rohit Grover 116:ca826083980e 113 ServerEventCallbackWithCount_t onDataSent;
Rohit Grover 118:620d28e7a1ba 114 CallChainOfFunctionPointersWithContext<const GattCharacteristicWriteCBParams *> onDataWritten;
Rohit Grover 116:ca826083980e 115 EventCallback_t onUpdatesEnabled;
Rohit Grover 116:ca826083980e 116 EventCallback_t onUpdatesDisabled;
Rohit Grover 116:ca826083980e 117 EventCallback_t onConfirmationReceived;
Rohit Grover 106:a20be740075d 118 };
Rohit Grover 106:a20be740075d 119
rgrover1 126:fdebe4d5d62f 120 #endif // ifndef __GATT_SERVER_H__