BLE Button example
This example is a fork of the following mbed-os example:
https://developer.mbed.org/teams/mbed-os-examples/code/mbed-os-example-ble-Button/
Please read the documentation in this page.
source/ButtonService.h
- Committer:
- bcostm
- Date:
- 2017-07-27
- Revision:
- 41:7dd404a6f5ba
- Parent:
- 0:3fe9d5124576
File content as of revision 41:7dd404a6f5ba:
/* 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 __BLE_BUTTON_SERVICE_H__ #define __BLE_BUTTON_SERVICE_H__ class ButtonService { public: const static uint16_t BUTTON_SERVICE_UUID = 0xA000; const static uint16_t BUTTON_STATE_CHARACTERISTIC_UUID = 0xA001; ButtonService(BLE &_ble, bool buttonPressedInitial) : ble(_ble), buttonState(BUTTON_STATE_CHARACTERISTIC_UUID, &buttonPressedInitial, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY) { GattCharacteristic *charTable[] = {&buttonState}; GattService buttonService(ButtonService::BUTTON_SERVICE_UUID, charTable, sizeof(charTable) / sizeof(GattCharacteristic *)); ble.gattServer().addService(buttonService); } void updateButtonState(bool newState) { ble.gattServer().write(buttonState.getValueHandle(), (uint8_t *)&newState, sizeof(bool)); } private: BLE &ble; ReadOnlyGattCharacteristic<bool> buttonState; }; #endif /* #ifndef __BLE_BUTTON_SERVICE_H__ */