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Diff: source/nRF5xGattServer.h
- Revision:
- 388:db85a09c27ef
- Child:
- 561:613dbbdeed27
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/source/nRF5xGattServer.h Tue Jul 21 13:23:44 2015 +0100 @@ -0,0 +1,98 @@ +/* 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 __NRF51822_GATT_SERVER_H__ +#define __NRF51822_GATT_SERVER_H__ + +#include <stddef.h> + +#include "ble/blecommon.h" +#include "ble.h" /* nordic ble */ +#include "ble/Gap.h" +#include "ble/GattServer.h" + +class nRF5xGattServer : public GattServer +{ +public: + static nRF5xGattServer &getInstance(); + + /* Functions that must be implemented from GattServer */ + virtual ble_error_t addService(GattService &); + virtual ble_error_t read(GattAttribute::Handle_t attributeHandle, uint8_t buffer[], uint16_t *lengthP); + virtual ble_error_t read(Gap::Handle_t connectionHandle, GattAttribute::Handle_t attributeHandle, uint8_t buffer[], uint16_t *lengthP); + virtual ble_error_t write(GattAttribute::Handle_t, const uint8_t[], uint16_t, bool localOnly = false); + virtual ble_error_t write(Gap::Handle_t connectionHandle, GattAttribute::Handle_t, const uint8_t[], uint16_t, bool localOnly = false); + virtual ble_error_t areUpdatesEnabled(const GattCharacteristic &characteristic, bool *enabledP); + virtual ble_error_t areUpdatesEnabled(Gap::Handle_t connectionHandle, const GattCharacteristic &characteristic, bool *enabledP); + + /* nRF51 Functions */ + void eventCallback(void); + void hwCallback(ble_evt_t *p_ble_evt); + +private: + const static unsigned BLE_TOTAL_CHARACTERISTICS = 20; + const static unsigned BLE_TOTAL_DESCRIPTORS = 8; + +private: + /** + * resolve a value attribute to its owning characteristic. + * @param valueHandle the value handle to be resolved. + * @return characteristic index if a resolution is found, else -1. + */ + int resolveValueHandleToCharIndex(GattAttribute::Handle_t valueHandle) const { + unsigned charIndex; + for (charIndex = 0; charIndex < characteristicCount; charIndex++) { + if (nrfCharacteristicHandles[charIndex].value_handle == valueHandle) { + return charIndex; + } + } + + return -1; + } + + /** + * resolve a CCCD attribute handle to its owning characteristic. + * @param cccdHandle the CCCD handle to be resolved. + * @return characteristic index if a resolution is found, else -1. + */ + int resolveCCCDHandleToCharIndex(GattAttribute::Handle_t cccdHandle) const { + unsigned charIndex; + for (charIndex = 0; charIndex < characteristicCount; charIndex++) { + if (nrfCharacteristicHandles[charIndex].cccd_handle == cccdHandle) { + return charIndex; + } + } + + return -1; + } + +private: + GattCharacteristic *p_characteristics[BLE_TOTAL_CHARACTERISTICS]; + ble_gatts_char_handles_t nrfCharacteristicHandles[BLE_TOTAL_CHARACTERISTICS]; + GattAttribute *p_descriptors[BLE_TOTAL_DESCRIPTORS]; + uint8_t descriptorCount; + uint16_t nrfDescriptorHandles[BLE_TOTAL_DESCRIPTORS]; + + nRF5xGattServer() : GattServer(), p_characteristics(), nrfCharacteristicHandles(), p_descriptors(), descriptorCount(0), nrfDescriptorHandles() { + /* empty */ + } + +private: + nRF5xGattServer(const nRF5xGattServer &); + const nRF5xGattServer& operator=(const nRF5xGattServer &); +}; + +#endif // ifndef __NRF51822_GATT_SERVER_H__ \ No newline at end of file