士鈞 林 / Mbed OS 12_1

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Dependencies:   X_NUCLEO_IKS01A2

source/ESS.h@0:9c0e0ac79e75, 2020-04-29 (annotated)

Committer:
jim_lsj
Date:
Wed Apr 29 10:42:44 2020 +0000
Revision:
0:9c0e0ac79e75
Child:
1:b12ac7b02a21
12_1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jim_lsj 0:9c0e0ac79e75 1 /* ARM University Program Microcontroller Library
jim_lsj 0:9c0e0ac79e75 2 *
jim_lsj 0:9c0e0ac79e75 3 * Environmental Sensing Service
jim_lsj 0:9c0e0ac79e75 4 *
jim_lsj 0:9c0e0ac79e75 5 * This software is distributed under an "AS IS" BASIS,
jim_lsj 0:9c0e0ac79e75 6 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
jim_lsj 0:9c0e0ac79e75 7 */
jim_lsj 0:9c0e0ac79e75 8
jim_lsj 0:9c0e0ac79e75 9 #ifndef __BLE_ENVIRONMENTAL_SENSING_SERVICE_H__
jim_lsj 0:9c0e0ac79e75 10 #define __BLE_ENVIRONMENTAL_SENSING_SERVICE_H__
jim_lsj 0:9c0e0ac79e75 11
jim_lsj 0:9c0e0ac79e75 12 #include "mbed.h"
jim_lsj 0:9c0e0ac79e75 13 #include "blecommon.h"
jim_lsj 0:9c0e0ac79e75 14 #include "Gap.h"
jim_lsj 0:9c0e0ac79e75 15 #include "GattServer.h"
jim_lsj 0:9c0e0ac79e75 16 #include "BLEDeviceInstanceBase.h"
jim_lsj 0:9c0e0ac79e75 17
jim_lsj 0:9c0e0ac79e75 18 //#include "BLEDevice.h"
jim_lsj 0:9c0e0ac79e75 19
jim_lsj 0:9c0e0ac79e75 20 /* Environmental Sensing Service */
jim_lsj 0:9c0e0ac79e75 21 /* Service: https://developer.bluetooth.org/gatt/services/Pages/ServiceViewer.aspx?u=org.bluetooth.service.environmental_sensing.xml */
jim_lsj 0:9c0e0ac79e75 22 /* Humidity characteristic: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.humidity.xml */
jim_lsj 0:9c0e0ac79e75 23 /* Temperature: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.temperature.xml */
jim_lsj 0:9c0e0ac79e75 24
jim_lsj 0:9c0e0ac79e75 25 class EnvironmentalSensingService {
jim_lsj 0:9c0e0ac79e75 26
jim_lsj 0:9c0e0ac79e75 27 public:
jim_lsj 0:9c0e0ac79e75 28 /**
jim_lsj 0:9c0e0ac79e75 29 * Constructor.
jim_lsj 0:9c0e0ac79e75 30 *
jim_lsj 0:9c0e0ac79e75 31 * param[in] _ble
jim_lsj 0:9c0e0ac79e75 32 * Reference to the underlying BLEDevice.
jim_lsj 0:9c0e0ac79e75 33 * param[in] humidity percentage (16-bit unsigned, 2 decimals).
jim_lsj 0:9c0e0ac79e75 34 * initial value for the humidity value.
jim_lsj 0:9c0e0ac79e75 35 * param[in] temperature in degrees Celsius (16-bit signed, 2 decimals).
jim_lsj 0:9c0e0ac79e75 36 * initial value for the temperature
jim_lsj 0:9c0e0ac79e75 37 */
jim_lsj 0:9c0e0ac79e75 38 EnvironmentalSensingService(BLEDevice &_ble, uint16_t humidity, int16_t temperature) :
jim_lsj 0:9c0e0ac79e75 39 ble(_ble),
jim_lsj 0:9c0e0ac79e75 40
jim_lsj 0:9c0e0ac79e75 41 humiditychar(GattCharacteristic::UUID_HUMIDITY_CHAR, (uint8_t *)&humidity,
jim_lsj 0:9c0e0ac79e75 42 sizeof(uint16_t), sizeof(uint16_t),
jim_lsj 0:9c0e0ac79e75 43 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY),
jim_lsj 0:9c0e0ac79e75 44
jim_lsj 0:9c0e0ac79e75 45 temperaturechar(GattCharacteristic::UUID_TEMPERATURE_CHAR, (uint8_t *)&temperature,
jim_lsj 0:9c0e0ac79e75 46 sizeof(int16_t), sizeof(int16_t),
jim_lsj 0:9c0e0ac79e75 47 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY)
jim_lsj 0:9c0e0ac79e75 48
jim_lsj 0:9c0e0ac79e75 49
jim_lsj 0:9c0e0ac79e75 50 { // Setup Service
jim_lsj 0:9c0e0ac79e75 51
jim_lsj 0:9c0e0ac79e75 52 GattCharacteristic *charTable[] = {&humiditychar, &temperaturechar, }; // 2 services. humidity and temp
jim_lsj 0:9c0e0ac79e75 53
jim_lsj 0:9c0e0ac79e75 54 GattService EnvironmentalService(0x181A, charTable, sizeof(charTable) / sizeof(GattCharacteristic *));
jim_lsj 0:9c0e0ac79e75 55
jim_lsj 0:9c0e0ac79e75 56 ble.addService(EnvironmentalService);
jim_lsj 0:9c0e0ac79e75 57 }
jim_lsj 0:9c0e0ac79e75 58
jim_lsj 0:9c0e0ac79e75 59
jim_lsj 0:9c0e0ac79e75 60 /* Set a new 16-bit value for the humidity measurement. */
jim_lsj 0:9c0e0ac79e75 61 void updateHumidity(uint16_t humidity) {
jim_lsj 0:9c0e0ac79e75 62 ble.updateCharacteristicValue(humiditychar.getValueAttribute().getHandle(), (uint8_t *)&humidity, sizeof(uint16_t));
jim_lsj 0:9c0e0ac79e75 63 }
jim_lsj 0:9c0e0ac79e75 64
jim_lsj 0:9c0e0ac79e75 65 /* Set a new 16-bit value for the temperature measurement. */
jim_lsj 0:9c0e0ac79e75 66 void updateTemperature(int16_t temperature) {
jim_lsj 0:9c0e0ac79e75 67 ble.updateCharacteristicValue(temperaturechar.getValueAttribute().getHandle(), (uint8_t *)&temperature, sizeof(int16_t));
jim_lsj 0:9c0e0ac79e75 68 }
jim_lsj 0:9c0e0ac79e75 69
jim_lsj 0:9c0e0ac79e75 70
jim_lsj 0:9c0e0ac79e75 71
jim_lsj 0:9c0e0ac79e75 72 private:
jim_lsj 0:9c0e0ac79e75 73 BLEDevice &ble;
jim_lsj 0:9c0e0ac79e75 74 GattCharacteristic humiditychar;
jim_lsj 0:9c0e0ac79e75 75 GattCharacteristic temperaturechar;
jim_lsj 0:9c0e0ac79e75 76
jim_lsj 0:9c0e0ac79e75 77 };
jim_lsj 0:9c0e0ac79e75 78
jim_lsj 0:9c0e0ac79e75 79 #endif /* #ifndef __BLE_ENVIRONMENTAL_SENSING_SERVICE_H__*/
jim_lsj 0:9c0e0ac79e75 80
jim_lsj 0:9c0e0ac79e75 81
jim_lsj 0:9c0e0ac79e75 82 // *******************************ARM University Program Copyright © ARM Ltd 2015*************************************//