HCSR04 Ultrasonic sensor exposed over BLE
Dependencies: BLE_API HCSR04 mbed nRF51822
UltrasonicService.h@0:470a1164da56, 2016-05-09 (annotated)
- Committer:
- janjongboom
- Date:
- Mon May 09 10:26:40 2016 +0000
- Revision:
- 0:470a1164da56
HCSR04 ultrasonic sensor over BLE
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
janjongboom | 0:470a1164da56 | 1 | /* mbed Microcontroller Library |
janjongboom | 0:470a1164da56 | 2 | * Copyright (c) 2006-2013 ARM Limited |
janjongboom | 0:470a1164da56 | 3 | * |
janjongboom | 0:470a1164da56 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
janjongboom | 0:470a1164da56 | 5 | * you may not use this file except in compliance with the License. |
janjongboom | 0:470a1164da56 | 6 | * You may obtain a copy of the License at |
janjongboom | 0:470a1164da56 | 7 | * |
janjongboom | 0:470a1164da56 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
janjongboom | 0:470a1164da56 | 9 | * |
janjongboom | 0:470a1164da56 | 10 | * Unless required by applicable law or agreed to in writing, software |
janjongboom | 0:470a1164da56 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
janjongboom | 0:470a1164da56 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
janjongboom | 0:470a1164da56 | 13 | * See the License for the specific language governing permissions and |
janjongboom | 0:470a1164da56 | 14 | * limitations under the License. |
janjongboom | 0:470a1164da56 | 15 | */ |
janjongboom | 0:470a1164da56 | 16 | |
janjongboom | 0:470a1164da56 | 17 | #ifndef __BLE_ULTRA_SERVICE_H__ |
janjongboom | 0:470a1164da56 | 18 | #define __BLE_ULTRA_SERVICE_H__ |
janjongboom | 0:470a1164da56 | 19 | |
janjongboom | 0:470a1164da56 | 20 | class UltrasonicService { |
janjongboom | 0:470a1164da56 | 21 | public: |
janjongboom | 0:470a1164da56 | 22 | const static uint16_t SERVICE_UUID = 0xA998; |
janjongboom | 0:470a1164da56 | 23 | const static uint16_t STATE_CHARACTERISTIC_UUID = 0xA999; |
janjongboom | 0:470a1164da56 | 24 | |
janjongboom | 0:470a1164da56 | 25 | UltrasonicService(BLE &_ble) : |
janjongboom | 0:470a1164da56 | 26 | ble(_ble), state(STATE_CHARACTERISTIC_UUID, 0, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY) |
janjongboom | 0:470a1164da56 | 27 | { |
janjongboom | 0:470a1164da56 | 28 | GattCharacteristic *charTable[] = {&state}; |
janjongboom | 0:470a1164da56 | 29 | GattService service(UltrasonicService::SERVICE_UUID, charTable, sizeof(charTable) / sizeof(GattCharacteristic *)); |
janjongboom | 0:470a1164da56 | 30 | ble.gattServer().addService(service); |
janjongboom | 0:470a1164da56 | 31 | } |
janjongboom | 0:470a1164da56 | 32 | |
janjongboom | 0:470a1164da56 | 33 | void updateState(uint32_t newState) { |
janjongboom | 0:470a1164da56 | 34 | ble.gattServer().write(state.getValueHandle(), (uint8_t *)&newState, sizeof(uint32_t)); |
janjongboom | 0:470a1164da56 | 35 | } |
janjongboom | 0:470a1164da56 | 36 | |
janjongboom | 0:470a1164da56 | 37 | private: |
janjongboom | 0:470a1164da56 | 38 | BLE &ble; |
janjongboom | 0:470a1164da56 | 39 | ReadOnlyGattCharacteristic<uint32_t> state; |
janjongboom | 0:470a1164da56 | 40 | }; |
janjongboom | 0:470a1164da56 | 41 | |
janjongboom | 0:470a1164da56 | 42 | #endif /* #ifndef __BLE_ULTRA_SERVICE_H__ */ |
janjongboom | 0:470a1164da56 | 43 |