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-rw-r--r--examples/tinyb/asynctinyb.cpp161
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diff --git a/examples/tinyb/asynctinyb.cpp b/examples/tinyb/asynctinyb.cpp
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--- a/examples/tinyb/asynctinyb.cpp
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-/*
- * Author: Petre Eftime <[email protected]>
- * Copyright (c) 2015 Intel Corporation.
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include <tinyb.hpp>
-
-#include <vector>
-#include <iostream>
-#include <thread>
-#include <atomic>
-#include <csignal>
-
-using namespace tinyb;
-
-
-
-/** Converts a raw temperature read from the sensor to a Celsius value.
- * @param[in] raw_temp The temperature read from the sensor (two bytes)
- * @return The Celsius value of the temperature
- */
-static float celsius_temp(uint16_t raw_temp)
-{
- const float SCALE_LSB = 0.03125;
- return ((float)(raw_temp >> 2)) * SCALE_LSB;
-}
-
-std::atomic<bool> running(true);
-
-void signal_handler(int signum)
-{
- if (signum == SIGINT) {
- running = false;
- }
-}
-
-/** This program reads the temperature from a
- * TI Sensor Tag(http://www.ti.com/ww/en/wireless_connectivity/sensortag2015/?INTC=SensorTag&HQS=sensortag)
- * Pass the MAC address of the sensor as the first parameter of the program.
- */
-int main(int argc, char **argv)
-{
- if (argc < 2) {
- std::cerr << "Run as: " << argv[0] << " <device_address>" << std::endl;
- exit(1);
- }
-
- BluetoothManager *manager = nullptr;
- try {
- manager = BluetoothManager::get_bluetooth_manager();
- } catch(const std::runtime_error& e) {
- std::cerr << "Error while initializing libtinyb: " << e.what() << std::endl;
- exit(1);
- }
-
- /* Start the discovery of devices */
- bool ret = manager->start_discovery();
- std::cout << "Started = " << (ret ? "true" : "false") << std::endl;
-
- std::unique_ptr<BluetoothGattService> temperature_service;
-
- std::string device_mac(argv[1]);
- auto sensor_tag = manager->find<BluetoothDevice>(nullptr, &device_mac, nullptr, std::chrono::seconds(10));
- if (sensor_tag == nullptr) {
- std::cout << "Device not found" << std::endl;
- return 1;
- }
-
- if (sensor_tag == nullptr) {
- ret = manager->stop_discovery();
- std::cerr << "SensorTag not found after 30 seconds, exiting" << std::endl;
- return 1;
- }
-
- /* Connect to the device and get the list of services exposed by it */
- sensor_tag->connect();
- std::string service_uuid("f000aa00-0451-4000-b000-000000000000");
- std::cout << "Waiting for service " << service_uuid << " to be discovered" << std::endl;
- temperature_service = sensor_tag->find(&service_uuid);
-
- /* Stop the discovery (the device was found or timeout was over) */
- ret = manager->stop_discovery();
- std::cout << "Stopped = " << (ret ? "true" : "false") << std::endl;
-
- auto value_uuid = std::string("f000aa01-0451-4000-b000-000000000000");
- auto temp_value = temperature_service->find(&value_uuid);
-
- auto config_uuid = std::string("f000aa02-0451-4000-b000-000000000000");
- auto temp_config = temperature_service->find(&config_uuid);
-
- auto period_uuid = std::string("f000aa03-0451-4000-b000-000000000000");
- auto temp_period = temperature_service->find(&period_uuid);
-
- /* Activate the temperature measurements */
- try {
- std::vector<unsigned char> config_on {0x01};
- temp_config->write_value(config_on);
- std::signal(SIGINT, signal_handler);
- } catch (std::exception &e) {
- std::cout << "Error: " << e.what() << std::endl;
- running = false;
- }
-
- while (running) {
- /* Read temperature data and display it */
- try {
- std::vector<unsigned char> response = temp_value->read_value();
- unsigned char *data;
- unsigned int size = response.size();
- if (size > 0) {
- data = response.data();
-
- std::cout << "Raw data=[";
- for (unsigned i = 0; i < response.size(); i++)
- std::cout << std::hex << static_cast<int>(data[i]) << ", ";
- std::cout << "] ";
-
- uint16_t ambient_temp, object_temp;
- object_temp = data[0] | (data[1] << 8);
- ambient_temp = data[2] | (data[3] << 8);
-
- std::cout << "Ambient temp: " << celsius_temp(ambient_temp) << "C ";
- std::cout << "Object temp: " << celsius_temp(object_temp) << "C ";
- std::cout << std::endl;
- }
-
- std::this_thread::sleep_for(std::chrono::seconds(1));
-
- } catch (std::exception &e) {
- std::cout << "Error: " << e.what() << std::endl;
- break;
- }
- }
-
- /* Disconnect from the device */
- try {
- sensor_tag->disconnect();
- } catch (std::exception &e) {
- std::cout << "Error: " << e.what() << std::endl;
- }
- return 0;
-}