Bluetooth LE library for Nucleo board
Dependents: Nucleo_BLE_HeartRate Nucleo_BLE_UART Nucleo_BLE_Demo Nucleo_BLE_UART
Warning: Deprecated!
Supported drivers and applications can be found at this link.
public/GattServer.h
- Committer:
- sjallouli
- Date:
- 2014-12-19
- Revision:
- 1:79e5c08cbcc7
- Parent:
- 0:289fd2dae405
File content as of revision 1:79e5c08cbcc7:
/* 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 __GATT_SERVER_H__ #define __GATT_SERVER_H__ #include "mbed.h" #include "blecommon.h" #include "GattService.h" #include "GattServerEvents.h" #include "GattCharacteristicWriteCBParams.h" #include "CallChainOfFunctionPointersWithContext.h" /**************************************************************************/ /*! \brief The base class used to abstract GATT Server functionality to a specific radio transceiver, SOC or BLE Stack. */ /**************************************************************************/ class GattServer { public: /* These functions must be defined in the sub-class */ virtual ble_error_t addService(GattService &) = 0; virtual ble_error_t readValue(uint16_t handle, uint8_t buffer[], uint16_t *const lengthP) = 0; virtual ble_error_t updateValue(uint16_t, uint8_t[], uint16_t, bool localOnly = false) = 0; // ToDo: For updateValue, check the CCCD to see if the value we are // updating has the notify or indicate bits sent, and if BOTH are set // be sure to call sd_ble_gatts_hvx() twice with notify then indicate! // Strange use case, but valid and must be covered! /* Event callback handlers. */ typedef void (*EventCallback_t)(uint16_t attributeHandle); typedef void (*ServerEventCallback_t)(void); /**< independent of any particular attribute */ typedef void (*ServerEventCallbackWithCount_t)(unsigned count); /**< independent of any particular attribute */ void setOnDataSent(ServerEventCallbackWithCount_t callback) { onDataSent = callback; } void setOnDataWritten(void (*callback)(const GattCharacteristicWriteCBParams *eventDataP)) { onDataWritten.add(callback); } template <typename T> void setOnDataWritten(T *objPtr, void (T::*memberPtr)(const GattCharacteristicWriteCBParams *context)) { onDataWritten.add(objPtr, memberPtr); } void setOnUpdatesEnabled(EventCallback_t callback) { onUpdatesEnabled = callback; } void setOnUpdatesDisabled(EventCallback_t callback) { onUpdatesDisabled = callback; } void setOnConfirmationReceived(EventCallback_t callback) { onConfirmationReceived = callback; } void handleDataWrittenEvent(const GattCharacteristicWriteCBParams *params) { if (onDataWritten.hasCallbacksAttached()) { onDataWritten.call(params); } } void handleEvent(GattServerEvents::gattEvent_e type, uint16_t charHandle) { switch (type) { case GattServerEvents::GATT_EVENT_UPDATES_ENABLED: if (onUpdatesEnabled) { onUpdatesEnabled(charHandle); } break; case GattServerEvents::GATT_EVENT_UPDATES_DISABLED: if (onUpdatesDisabled) { onUpdatesDisabled(charHandle); } break; case GattServerEvents::GATT_EVENT_CONFIRMATION_RECEIVED: if (onConfirmationReceived) { onConfirmationReceived(charHandle); } break; } } void handleDataSentEvent(unsigned count) { if (onDataSent) { onDataSent(count); } } protected: GattServer() : serviceCount(0), characteristicCount(0), onDataSent(NULL), onDataWritten(), onUpdatesEnabled(NULL), onUpdatesDisabled(NULL), onConfirmationReceived(NULL) { /* empty */ } protected: uint8_t serviceCount; uint8_t characteristicCount; uint8_t descriptorCount; private: ServerEventCallbackWithCount_t onDataSent; CallChainOfFunctionPointersWithContext<const GattCharacteristicWriteCBParams *> onDataWritten; EventCallback_t onUpdatesEnabled; EventCallback_t onUpdatesDisabled; EventCallback_t onConfirmationReceived; }; #endif // ifndef __GATT_SERVER_H__