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105 lines
3.9 KiB
105 lines
3.9 KiB
/* mbed Microcontroller Library
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* Copyright (c) 2006-2013 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __NRF51822_GATT_SERVER_H__
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#define __NRF51822_GATT_SERVER_H__
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#include <stddef.h>
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#include "ble/blecommon.h"
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#include "ble.h" /* nordic ble */
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#include "ble/Gap.h"
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#include "ble/GattServer.h"
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class nRF5xGattServer : public GattServer
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{
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public:
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/* Functions that must be implemented from GattServer */
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virtual ble_error_t addService(GattService &);
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virtual ble_error_t read(GattAttribute::Handle_t attributeHandle, uint8_t buffer[], uint16_t *lengthP);
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virtual ble_error_t read(Gap::Handle_t connectionHandle, GattAttribute::Handle_t attributeHandle, uint8_t buffer[], uint16_t *lengthP);
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virtual ble_error_t write(GattAttribute::Handle_t, const uint8_t[], uint16_t, bool localOnly = false);
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virtual ble_error_t write(Gap::Handle_t connectionHandle, GattAttribute::Handle_t, const uint8_t[], uint16_t, bool localOnly = false);
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virtual ble_error_t notify(GattAttribute::Handle_t, const uint8_t[], uint16_t);
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virtual ble_error_t areUpdatesEnabled(const GattCharacteristic &characteristic, bool *enabledP);
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virtual ble_error_t areUpdatesEnabled(Gap::Handle_t connectionHandle, const GattCharacteristic &characteristic, bool *enabledP);
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virtual ble_error_t reset(void);
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/* nRF51 Functions */
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void eventCallback(void);
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void hwCallback(ble_evt_t *p_ble_evt);
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private:
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const static unsigned BLE_TOTAL_CHARACTERISTICS = 30;
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const static unsigned BLE_TOTAL_DESCRIPTORS = 20;
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private:
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/**
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* resolve a value attribute to its owning characteristic.
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* @param valueHandle the value handle to be resolved.
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* @return characteristic index if a resolution is found, else -1.
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*/
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int resolveValueHandleToCharIndex(GattAttribute::Handle_t valueHandle) const {
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unsigned charIndex;
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for (charIndex = 0; charIndex < characteristicCount; charIndex++) {
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if (nrfCharacteristicHandles[charIndex].value_handle == valueHandle) {
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return charIndex;
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}
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}
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return -1;
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}
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/**
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* resolve a CCCD attribute handle to its owning characteristic.
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* @param cccdHandle the CCCD handle to be resolved.
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* @return characteristic index if a resolution is found, else -1.
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*/
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int resolveCCCDHandleToCharIndex(GattAttribute::Handle_t cccdHandle) const {
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unsigned charIndex;
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for (charIndex = 0; charIndex < characteristicCount; charIndex++) {
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if (nrfCharacteristicHandles[charIndex].cccd_handle == cccdHandle) {
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return charIndex;
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}
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}
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return -1;
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}
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private:
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GattCharacteristic *p_characteristics[BLE_TOTAL_CHARACTERISTICS];
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ble_gatts_char_handles_t nrfCharacteristicHandles[BLE_TOTAL_CHARACTERISTICS];
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GattAttribute *p_descriptors[BLE_TOTAL_DESCRIPTORS];
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uint8_t descriptorCount;
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uint16_t nrfDescriptorHandles[BLE_TOTAL_DESCRIPTORS];
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/*
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* Allow instantiation from nRF5xn when required.
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*/
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friend class nRF5xn;
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nRF5xGattServer() : GattServer(), p_characteristics(), nrfCharacteristicHandles(), p_descriptors(), descriptorCount(0), nrfDescriptorHandles() {
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/* empty */
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}
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private:
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nRF5xGattServer(const nRF5xGattServer &);
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const nRF5xGattServer& operator=(const nRF5xGattServer &);
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};
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#endif // ifndef __NRF51822_GATT_SERVER_H__
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