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Diffstat (limited to 'peripheral/libupm/examples/c++/ldt0028.cxx')
-rw-r--r-- | peripheral/libupm/examples/c++/ldt0028.cxx | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/peripheral/libupm/examples/c++/ldt0028.cxx b/peripheral/libupm/examples/c++/ldt0028.cxx deleted file mode 100644 index 8d9c8b7..0000000 --- a/peripheral/libupm/examples/c++/ldt0028.cxx +++ /dev/null @@ -1,90 +0,0 @@ -/* - * Author: Sarah Knepper <sarah.knepper@intel.com> - * Copyright (c) 2014 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 <unistd.h> -#include <iostream> -#include <iomanip> -#include <cmath> -#include "ldt0028.h" - -int -main(int argc, char **argv) -{ -//! [Interesting] - const int NUMBER_OF_SECONDS = 10; - const int MICROSECONDS_PER_SECOND = 1000000; - const int SAMPLES_PER_SECOND = 50; - const int THRESHOLD = 100; - - // Create the LDT0-028 Piezo Vibration Sensor object using AIO pin 0 - upm::LDT0028* sensor = new upm::LDT0028(0); - - // Read the signal every 20 milliseconds for 10 seconds - std::cout << "For the next " << NUMBER_OF_SECONDS << " seconds, " - << SAMPLES_PER_SECOND << " samples will be taken every second." - << std::endl << std::endl; - uint16_t* buffer = new uint16_t[NUMBER_OF_SECONDS * SAMPLES_PER_SECOND]; - for (int i=0; i < NUMBER_OF_SECONDS * SAMPLES_PER_SECOND; i++) { - buffer[i] = (uint16_t) sensor->getSample(); - usleep(MICROSECONDS_PER_SECOND / SAMPLES_PER_SECOND); - } - - // Print the number of times the reading was greater than the threshold - int count = 0; - for (int i=0; i < NUMBER_OF_SECONDS * SAMPLES_PER_SECOND; i++) { - if (buffer[i] > THRESHOLD) { - count++; - } - } - std::cout << sensor->name() << " exceeded the threshold value of " << - THRESHOLD << " a total of " << count << " times," << std::endl - << "out of a total of " << NUMBER_OF_SECONDS*SAMPLES_PER_SECOND - << " readings." << std::endl << std::endl; - - // Print a graphical representation of the average value sampled - // each second for the past 10 seconds, using a scale factor of 15 - std::cout << "Now printing a graphical representation of the average reading " - << std::endl << "each second for the last " - << NUMBER_OF_SECONDS << " seconds." << std::endl; - const int SCALE_FACTOR = 15; - for (int i=0; i < NUMBER_OF_SECONDS; i++) { - long sum = 0; - for (int j=0; j < SAMPLES_PER_SECOND; j++) { - sum += buffer[i*SAMPLES_PER_SECOND + j]; - } - double average = (double) sum / (double) SAMPLES_PER_SECOND; - int stars_to_print = (int) round(average / SCALE_FACTOR); - std::cout << "(" << std::setw(4) << (int) round(average) << ") | "; - for (int j=0; j<stars_to_print; j++) { - std::cout << "*"; - } - std::cout << std::endl; - } - - // Delete the sensor object - delete sensor; -//! [Interesting] - - return 0; -} |