testing shared repositories
Dependencies: BLE_API mbed nRF51822 X_NUCLEO_IDB0XA1
Diff: main.cpp
- Revision:
- 0:d60fd3a04add
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Fri Jun 29 01:13:46 2018 +0000 @@ -0,0 +1,114 @@ +/* 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. + */ + +#include "mbed.h" +#include "ble/BLE.h" +#include "ble/services/HealthThermometerService.h" + +DigitalOut led1(LED1); + +static HealthThermometerService *thermometerServicePtr; + +static const char DEVICE_NAME[] = "Therm"; +static const uint16_t uuid16_list[] = {GattService::UUID_HEALTH_THERMOMETER_SERVICE}; +static volatile bool triggerSensorPolling = false; +static float currentTemperature = 39.6; + +/* Restart Advertising on disconnection*/ +void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) +{ + BLE::Instance().gap().startAdvertising(); +} + +void periodicCallback(void) +{ + led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */ + + /* Note that the periodicCallback() executes in interrupt context, so it is safer to do + * heavy-weight sensor polling from the main thread. */ + triggerSensorPolling = true; +} + +/** + * This function is called when the ble initialization process has failed + */ +void onBleInitError(BLE &ble, ble_error_t error) +{ + /* Avoid compiler warnings */ + (void) ble; + (void) error; + /* Initialization error handling should go here */ +} + +/** + * Callback triggered when the ble initialization process has finished + */ +void bleInitComplete(BLE::InitializationCompleteCallbackContext *params) +{ + BLE& ble = params->ble; + ble_error_t error = params->error; + + if (error != BLE_ERROR_NONE) { + /* In case of error, forward the error handling to onBleInitError */ + onBleInitError(ble, error); + return; + } + + /* Ensure that it is the default instance of BLE */ + if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) { + return; + } + + ble.gap().onDisconnection(disconnectionCallback); + + /* Setup primary service. */ + thermometerServicePtr = new HealthThermometerService(ble, currentTemperature, HealthThermometerService::LOCATION_EAR); + + /* setup advertising */ + ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); + ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); + ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::THERMOMETER_EAR); + ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); + ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); + ble.gap().setAdvertisingInterval(1000); /* 1000ms */ + ble.gap().startAdvertising(); +} + +int main(void) +{ + led1 = 1; + Ticker ticker; + ticker.attach(periodicCallback, 1); + + BLE &ble = BLE::Instance(); + ble.init(bleInitComplete); + + /* SpinWait for initialization to complete. This is necessary because the + * BLE object is used in the main loop below. */ + while (ble.hasInitialized() == false) { /* spin loop */ } + + while (true) { + if (triggerSensorPolling && ble.gap().getState().connected) { + triggerSensorPolling = false; + + /* In our case, we simply update the dummy temperature measurement. */ + currentTemperature += 0.1; + thermometerServicePtr->updateTemperature(currentTemperature); + } else { + ble.waitForEvent(); + } + } +}