ST / Mbed OS mbed-os-example-ble-Button

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@41:7dd404a6f5ba, 2017-07-27 (annotated)

Committer:
bcostm
Date:
Thu Jul 27 13:17:49 2017 +0200
Revision:
41:7dd404a6f5ba
Parent:
0:3fe9d5124576 
Add DISCO_L475VG_IOT01A in mbed_app.json

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Vincent Coubard 0:3fe9d5124576 1 /* mbed Microcontroller Library
Vincent Coubard 0:3fe9d5124576 2 * Copyright (c) 2006-2013 ARM Limited
Vincent Coubard 0:3fe9d5124576 3 *
Vincent Coubard 0:3fe9d5124576 4 * Licensed under the Apache License, Version 2.0 (the "License");
Vincent Coubard 0:3fe9d5124576 5 * you may not use this file except in compliance with the License.
Vincent Coubard 0:3fe9d5124576 6 * You may obtain a copy of the License at
Vincent Coubard 0:3fe9d5124576 7 *
Vincent Coubard 0:3fe9d5124576 8 * http://www.apache.org/licenses/LICENSE-2.0
Vincent Coubard 0:3fe9d5124576 9 *
Vincent Coubard 0:3fe9d5124576 10 * Unless required by applicable law or agreed to in writing, software
Vincent Coubard 0:3fe9d5124576 11 * distributed under the License is distributed on an "AS IS" BASIS,
Vincent Coubard 0:3fe9d5124576 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Vincent Coubard 0:3fe9d5124576 13 * See the License for the specific language governing permissions and
Vincent Coubard 0:3fe9d5124576 14 * limitations under the License.
Vincent Coubard 0:3fe9d5124576 15 */
Vincent Coubard 0:3fe9d5124576 16
Vincent Coubard 0:3fe9d5124576 17 #ifndef __BLE_BUTTON_SERVICE_H__
Vincent Coubard 0:3fe9d5124576 18 #define __BLE_BUTTON_SERVICE_H__
Vincent Coubard 0:3fe9d5124576 19
Vincent Coubard 0:3fe9d5124576 20 class ButtonService {
Vincent Coubard 0:3fe9d5124576 21 public:
Vincent Coubard 0:3fe9d5124576 22 const static uint16_t BUTTON_SERVICE_UUID = 0xA000;
Vincent Coubard 0:3fe9d5124576 23 const static uint16_t BUTTON_STATE_CHARACTERISTIC_UUID = 0xA001;
Vincent Coubard 0:3fe9d5124576 24
Vincent Coubard 0:3fe9d5124576 25 ButtonService(BLE &_ble, bool buttonPressedInitial) :
Vincent Coubard 0:3fe9d5124576 26 ble(_ble), buttonState(BUTTON_STATE_CHARACTERISTIC_UUID, &buttonPressedInitial, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY)
Vincent Coubard 0:3fe9d5124576 27 {
Vincent Coubard 0:3fe9d5124576 28 GattCharacteristic *charTable[] = {&buttonState};
Vincent Coubard 0:3fe9d5124576 29 GattService buttonService(ButtonService::BUTTON_SERVICE_UUID, charTable, sizeof(charTable) / sizeof(GattCharacteristic *));
Vincent Coubard 0:3fe9d5124576 30 ble.gattServer().addService(buttonService);
Vincent Coubard 0:3fe9d5124576 31 }
Vincent Coubard 0:3fe9d5124576 32
Vincent Coubard 0:3fe9d5124576 33 void updateButtonState(bool newState) {
Vincent Coubard 0:3fe9d5124576 34 ble.gattServer().write(buttonState.getValueHandle(), (uint8_t *)&newState, sizeof(bool));
Vincent Coubard 0:3fe9d5124576 35 }
Vincent Coubard 0:3fe9d5124576 36
Vincent Coubard 0:3fe9d5124576 37 private:
Vincent Coubard 0:3fe9d5124576 38 BLE &ble;
Vincent Coubard 0:3fe9d5124576 39 ReadOnlyGattCharacteristic<bool> buttonState;
Vincent Coubard 0:3fe9d5124576 40 };
Vincent Coubard 0:3fe9d5124576 41
Vincent Coubard 0:3fe9d5124576 42 #endif /* #ifndef __BLE_BUTTON_SERVICE_H__ */