diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/CMakeLists.txt | 7 | ||||
| -rw-r--r-- | examples/asynctinyb.cpp | 163 |
2 files changed, 169 insertions, 1 deletions
diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt index f80f620e..b1c47d1d 100644 --- a/examples/CMakeLists.txt +++ b/examples/CMakeLists.txt @@ -5,7 +5,6 @@ include_directories( ${GIO-UNIX_INCLUDE_DIRS} ) - add_executable (hellotinyb hellotinyb.cpp) set_target_properties(hellotinyb PROPERTIES @@ -16,7 +15,13 @@ set_target_properties(checkinit PROPERTIES CXX_STANDARD 11) +add_executable (asynctinyb asynctinyb.cpp) +set_target_properties(asynctinyb + PROPERTIES + CXX_STANDARD 11) + include_directories(${PROJECT_SOURCE_DIR}/api) target_link_libraries (hellotinyb tinyb) target_link_libraries (checkinit tinyb) +target_link_libraries (asynctinyb tinyb) diff --git a/examples/asynctinyb.cpp b/examples/asynctinyb.cpp new file mode 100644 index 00000000..00f67478 --- /dev/null +++ b/examples/asynctinyb.cpp @@ -0,0 +1,163 @@ +/* + * 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> + +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; +} + +/** 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) +{ + BluetoothManager *manager = BluetoothManager::get_bluetooth_manager(); + + if (argc < 2) { + std::cerr << "Run as: " << argv[0] << " <device_address>" << 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; + } + +// for (int i = 0; i < 15; ++i) { +// std::cout << "Discovered devices: " << std::endl; +// /* Get the list of devices */ +// auto list = manager->get_devices(); +// +// for (auto it = list.begin(); it != list.end(); ++it) { +// +// std::cout << "Class = " << (*it)->get_class_name() << " "; +// std::cout << "Path = " << (*it)->get_object_path() << " "; +// std::cout << "Name = " << (*it)->get_name() << " "; +// std::cout << "Connected = " << (*it)->get_connected() << " "; +// std::cout << std::endl; +// +// /* Search for the device with the address given as a parameter to the program */ +// if ((*it)->get_address() == argv[1]) +// sensor_tag = (*it).release(); +// } +// +// /* Free the list of devices and stop if the device was found */ +// if (sensor_tag != NULL) +// break; +// /* If not, wait and try again */ +// std::this_thread::sleep_for(std::chrono::seconds(4)); +// std::cout << std::endl; +// } + + /* Stop the discovery (the device was found or number of tries ran out */ + //ret = manager->stop_discovery(); + std::cout << "Stopped = " << (ret ? "true" : "false") << std::endl; + + + //std::this_thread::sleep_for(std::chrono::milliseconds(100)); + if (sensor_tag != nullptr) { + /* 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 = + manager->find<BluetoothGattService>(nullptr, &service_uuid, sensor_tag.get()); + } else { + std::cerr << "SensorTag not found after 30 seconds, exiting" << std::endl; + return 1; + } + + + auto value_uuid = std::string("f000aa01-0451-4000-b000-000000000000"); + auto temp_value = + manager->find<BluetoothGattCharacteristic>(nullptr, + &value_uuid, + temperature_service.get()); + + auto config_uuid = std::string("f000aa02-0451-4000-b000-000000000000"); + auto temp_config = + manager->find<BluetoothGattCharacteristic>(nullptr, + &config_uuid, + temperature_service.get()); + + auto period_uuid = std::string("f000aa03-0451-4000-b000-000000000000"); + auto temp_period = + manager->find<BluetoothGattCharacteristic>(nullptr, + &period_uuid, + temperature_service.get()); + + /* Activate the temperature measurements */ + std::vector<unsigned char> config_on {0x01}; + temp_config->write_value(config_on); + while (true) { + /* Read temperature data and display it */ + 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)); + } + + /* Disconnect from the device */ + if (sensor_tag != NULL) + sensor_tag->disconnect(); +} |