Kris Scholte Lubberink
/
EnvironmentalSensor
Environmental Sensor for NRF board
source/main.cpp
- Committer:
- krissl
- Date:
- 2019-01-16
- Revision:
- 0:fe5389573740
File content as of revision 0:fe5389573740:
/* mbed Microcontroller Library * Copyright (c) 2006-2014 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 <events/mbed_events.h> #include <mbed.h> #include "ble/BLE.h" #include "ble/Gap.h" #include "ble/services/EnvironmentalService.h" #include "GattCallbackParamTypes.h" #include "mbed.h" #include "Dht11.h" Serial pc(USBTX, USBRX); Dht11 sensor(A0); //DigitalOut sensorPower(PTD24, 1); //Serial pc(USBTX, USBRX); // tx, rx DigitalOut led1(LED1, 1); const static char DEVICE_NAME[] = "MARCO&KRIS-slow"; static const uint16_t uuid16_list[] = {GattService::UUID_ENVIRONMENTAL_SERVICE}; static uint8_t batteryLevel = 50; static EnvironmentalService* batteryServicePtr; static EventQueue eventQueue(/* event count */ 16 * EVENTS_EVENT_SIZE); void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) { BLE::Instance().gap().startAdvertising(); } void connectionCallback(const Gap::ConnectionCallbackParams_t *params) { pc.printf("\r\n *******Got connection****** \r\n"); /* Setup advertising */ BLE::Instance().gap().startAdvertising(); pc.printf("****** Restarted advertising? ******\r\n"); } void updateSensorValue() { // pc.printf("Temp sensing"); sensor.read(); pc.printf("T: %d, H: %d\r\n", sensor.getCelsius(), sensor.getHumidity()); batteryServicePtr->updateHumidity(sensor.getHumidity()); batteryServicePtr->updateTemperature(sensor.getCelsius()); } void blinkCallback(void) { led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */ BLE &ble = BLE::Instance(); if (ble.gap().getState().connected) { eventQueue.call(updateSensorValue); } } /** * This function is called when the ble initialization process has failled */ void onBleInitError(BLE &ble, ble_error_t error) { /* Initialization error handling should go here */ } void printMacAddress() { /* Print out device MAC address to the console*/ Gap::AddressType_t addr_type; Gap::Address_t address; BLE::Instance().gap().getAddress(&addr_type, address); pc.printf("DEVICE MAC ADDRESS: "); for (int i = 5; i >= 1; i--){ pc.printf("%02x:", address[i]); } pc.printf("%02x\r\n", address[0]); } /** * 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); ble.gap().onConnection(connectionCallback); /* Setup primary service */ batteryServicePtr = new EnvironmentalService(ble); /* 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::COMPLETE_LOCAL_NAME, (uint8_t *) DEVICE_NAME, sizeof(DEVICE_NAME)); // ble.gattServer().onDataRead(blinkCallback); ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); ble.gap().setAdvertisingInterval(1000); /* 1000ms */ pc.printf("Advertising slowly"); ble.gap().startAdvertising(); printMacAddress(); } void scheduleBleEventsProcessing(BLE::OnEventsToProcessCallbackContext* context) { BLE &ble = BLE::Instance(); eventQueue.call(Callback<void()>(&ble, &BLE::processEvents)); } int main() { pc.baud (115200); eventQueue.call_every(500, blinkCallback); BLE &ble = BLE::Instance(); ble.onEventsToProcess(scheduleBleEventsProcessing); ble.init(bleInitComplete); eventQueue.dispatch_forever(); return 0; }