rajarajan elango
/
mbed-os-example-ble-Thermometer
Tested and connected with nRF Control panel in android device
source/main.cpp@1:0802a5f8c9d3, 2016-07-28 (annotated)
- Committer:
- Vincent Coubard
- Date:
- Thu Jul 28 23:10:39 2016 +0100
- Revision:
- 1:0802a5f8c9d3
- Parent:
- 0:a27dfda81620
- Child:
- 2:cc8349878a7d
Sync with mbed-os-5.1.0-rc3
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Vincent Coubard |
0:a27dfda81620 | 1 | /* mbed Microcontroller Library |
Vincent Coubard |
0:a27dfda81620 | 2 | * Copyright (c) 2006-2013 ARM Limited |
Vincent Coubard |
0:a27dfda81620 | 3 | * |
Vincent Coubard |
0:a27dfda81620 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
Vincent Coubard |
0:a27dfda81620 | 5 | * you may not use this file except in compliance with the License. |
Vincent Coubard |
0:a27dfda81620 | 6 | * You may obtain a copy of the License at |
Vincent Coubard |
0:a27dfda81620 | 7 | * |
Vincent Coubard |
0:a27dfda81620 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
Vincent Coubard |
0:a27dfda81620 | 9 | * |
Vincent Coubard |
0:a27dfda81620 | 10 | * Unless required by applicable law or agreed to in writing, software |
Vincent Coubard |
0:a27dfda81620 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
Vincent Coubard |
0:a27dfda81620 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
Vincent Coubard |
0:a27dfda81620 | 13 | * See the License for the specific language governing permissions and |
Vincent Coubard |
0:a27dfda81620 | 14 | * limitations under the License. |
Vincent Coubard |
0:a27dfda81620 | 15 | */ |
Vincent Coubard |
0:a27dfda81620 | 16 | |
Vincent Coubard |
0:a27dfda81620 | 17 | #include <mbed-events/events.h> |
Vincent Coubard |
0:a27dfda81620 | 18 | #include "mbed.h" |
Vincent Coubard |
0:a27dfda81620 | 19 | #include "ble/BLE.h" |
Vincent Coubard |
0:a27dfda81620 | 20 | #include "ble/services/HealthThermometerService.h" |
Vincent Coubard |
0:a27dfda81620 | 21 | |
Vincent Coubard |
0:a27dfda81620 | 22 | DigitalOut led1(LED1, 1); |
Vincent Coubard |
0:a27dfda81620 | 23 | |
Vincent Coubard |
0:a27dfda81620 | 24 | const static char DEVICE_NAME[] = "Therm"; |
Vincent Coubard |
0:a27dfda81620 | 25 | static const uint16_t uuid16_list[] = {GattService::UUID_HEALTH_THERMOMETER_SERVICE}; |
Vincent Coubard |
0:a27dfda81620 | 26 | |
Vincent Coubard |
0:a27dfda81620 | 27 | static float currentTemperature = 39.6; |
Vincent Coubard |
0:a27dfda81620 | 28 | static HealthThermometerService *thermometerServicePtr; |
Vincent Coubard |
0:a27dfda81620 | 29 | |
Vincent Coubard |
0:a27dfda81620 | 30 | static EventQueue eventQueue( |
Vincent Coubard |
1:0802a5f8c9d3 | 31 | /* event count */ 16 * /* event size */ 32 |
Vincent Coubard |
0:a27dfda81620 | 32 | ); |
Vincent Coubard |
0:a27dfda81620 | 33 | |
Vincent Coubard |
0:a27dfda81620 | 34 | /* Restart Advertising on disconnection*/ |
Vincent Coubard |
0:a27dfda81620 | 35 | void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *) |
Vincent Coubard |
0:a27dfda81620 | 36 | { |
Vincent Coubard |
0:a27dfda81620 | 37 | BLE::Instance().gap().startAdvertising(); |
Vincent Coubard |
0:a27dfda81620 | 38 | } |
Vincent Coubard |
0:a27dfda81620 | 39 | |
Vincent Coubard |
0:a27dfda81620 | 40 | void updateSensorValue(void) { |
Vincent Coubard |
0:a27dfda81620 | 41 | /* Do blocking calls or whatever is necessary for sensor polling. |
Vincent Coubard |
0:a27dfda81620 | 42 | In our case, we simply update the Temperature measurement. */ |
Vincent Coubard |
0:a27dfda81620 | 43 | currentTemperature = (currentTemperature + 0.1 > 43.0) ? 39.6 : currentTemperature + 0.1; |
Vincent Coubard |
0:a27dfda81620 | 44 | thermometerServicePtr->updateTemperature(currentTemperature); |
Vincent Coubard |
0:a27dfda81620 | 45 | } |
Vincent Coubard |
0:a27dfda81620 | 46 | |
Vincent Coubard |
0:a27dfda81620 | 47 | void periodicCallback(void) |
Vincent Coubard |
0:a27dfda81620 | 48 | { |
Vincent Coubard |
0:a27dfda81620 | 49 | led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */ |
Vincent Coubard |
0:a27dfda81620 | 50 | |
Vincent Coubard |
0:a27dfda81620 | 51 | if (BLE::Instance().gap().getState().connected) { |
Vincent Coubard |
0:a27dfda81620 | 52 | eventQueue.post(updateSensorValue); |
Vincent Coubard |
0:a27dfda81620 | 53 | } |
Vincent Coubard |
0:a27dfda81620 | 54 | } |
Vincent Coubard |
0:a27dfda81620 | 55 | |
Vincent Coubard |
0:a27dfda81620 | 56 | void onBleInitError(BLE &ble, ble_error_t error) |
Vincent Coubard |
0:a27dfda81620 | 57 | { |
Vincent Coubard |
0:a27dfda81620 | 58 | /* Initialization error handling should go here */ |
Vincent Coubard |
0:a27dfda81620 | 59 | } |
Vincent Coubard |
0:a27dfda81620 | 60 | |
Vincent Coubard |
0:a27dfda81620 | 61 | void bleInitComplete(BLE::InitializationCompleteCallbackContext *params) |
Vincent Coubard |
0:a27dfda81620 | 62 | { |
Vincent Coubard |
0:a27dfda81620 | 63 | BLE& ble = params->ble; |
Vincent Coubard |
0:a27dfda81620 | 64 | ble_error_t error = params->error; |
Vincent Coubard |
0:a27dfda81620 | 65 | |
Vincent Coubard |
0:a27dfda81620 | 66 | if (error != BLE_ERROR_NONE) { |
Vincent Coubard |
0:a27dfda81620 | 67 | onBleInitError(ble, error); |
Vincent Coubard |
0:a27dfda81620 | 68 | return; |
Vincent Coubard |
0:a27dfda81620 | 69 | } |
Vincent Coubard |
0:a27dfda81620 | 70 | |
Vincent Coubard |
0:a27dfda81620 | 71 | if (ble.getInstanceID() != BLE::DEFAULT_INSTANCE) { |
Vincent Coubard |
0:a27dfda81620 | 72 | return; |
Vincent Coubard |
0:a27dfda81620 | 73 | } |
Vincent Coubard |
0:a27dfda81620 | 74 | |
Vincent Coubard |
0:a27dfda81620 | 75 | ble.gap().onDisconnection(disconnectionCallback); |
Vincent Coubard |
0:a27dfda81620 | 76 | |
Vincent Coubard |
0:a27dfda81620 | 77 | /* Setup primary service. */ |
Vincent Coubard |
0:a27dfda81620 | 78 | thermometerServicePtr = new HealthThermometerService(ble, currentTemperature, HealthThermometerService::LOCATION_EAR); |
Vincent Coubard |
0:a27dfda81620 | 79 | |
Vincent Coubard |
0:a27dfda81620 | 80 | /* setup advertising */ |
Vincent Coubard |
0:a27dfda81620 | 81 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); |
Vincent Coubard |
0:a27dfda81620 | 82 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); |
Vincent Coubard |
0:a27dfda81620 | 83 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::THERMOMETER_EAR); |
Vincent Coubard |
0:a27dfda81620 | 84 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); |
Vincent Coubard |
0:a27dfda81620 | 85 | ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
Vincent Coubard |
0:a27dfda81620 | 86 | ble.gap().setAdvertisingInterval(1000); /* 1000ms */ |
Vincent Coubard |
0:a27dfda81620 | 87 | ble.gap().startAdvertising(); |
Vincent Coubard |
0:a27dfda81620 | 88 | } |
Vincent Coubard |
0:a27dfda81620 | 89 | |
Vincent Coubard |
0:a27dfda81620 | 90 | void scheduleBleEventsProcessing(BLE::OnEventsToProcessCallbackContext* context) { |
Vincent Coubard |
0:a27dfda81620 | 91 | BLE &ble = BLE::Instance(); |
Vincent Coubard |
0:a27dfda81620 | 92 | eventQueue.post(Callback<void()>(&ble, &BLE::processEvents)); |
Vincent Coubard |
0:a27dfda81620 | 93 | } |
Vincent Coubard |
0:a27dfda81620 | 94 | |
Vincent Coubard |
0:a27dfda81620 | 95 | int main() |
Vincent Coubard |
0:a27dfda81620 | 96 | { |
Vincent Coubard |
1:0802a5f8c9d3 | 97 | eventQueue.post_every(500, periodicCallback); |
Vincent Coubard |
0:a27dfda81620 | 98 | |
Vincent Coubard |
0:a27dfda81620 | 99 | BLE &ble = BLE::Instance(); |
Vincent Coubard |
0:a27dfda81620 | 100 | ble.onEventsToProcess(scheduleBleEventsProcessing); |
Vincent Coubard |
0:a27dfda81620 | 101 | ble.init(bleInitComplete); |
Vincent Coubard |
0:a27dfda81620 | 102 | |
Vincent Coubard |
0:a27dfda81620 | 103 | while (true) { |
Vincent Coubard |
0:a27dfda81620 | 104 | eventQueue.dispatch(); |
Vincent Coubard |
0:a27dfda81620 | 105 | } |
Vincent Coubard |
0:a27dfda81620 | 106 | |
Vincent Coubard |
0:a27dfda81620 | 107 | return 0; |
Vincent Coubard |
0:a27dfda81620 | 108 | } |