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Diffstat (limited to 'examples/tinyb/asynctinyb.cpp')
-rw-r--r-- | examples/tinyb/asynctinyb.cpp | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/examples/tinyb/asynctinyb.cpp b/examples/tinyb/asynctinyb.cpp deleted file mode 100644 index f2d5756c..00000000 --- a/examples/tinyb/asynctinyb.cpp +++ /dev/null @@ -1,161 +0,0 @@ -/* - * 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; -} |