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5cefe7f5f3
Cleanup of UPM C++ examples. Switched from heap allocation to
stack allocation when possible. This simplifies the samples since it
removes the need for explicit memory management. A script was used to
identify and replace pointer use. To simplify the replace script, I
re-formatted the C++ examples using the UPM .clang-format file.
Unfortuantely this changes the look of the UPM C++ examples to a large
degree. However, examples will now have a standard look/feel and
uniform formatting.
* Ran clang-format w/provided UPM .clang-format file
* Removed new's/delete's whenever possible (left those in interface
examples)
* Added IIO sensor library implementation of callback void* arg
* Converted all sleeps to upm defined delays (added header when
necessary)
* Scrubbed CXX example includes
Signed-off-by: Noel Eck <noel.eck@intel.com>
78 lines
2.4 KiB
C++
78 lines
2.4 KiB
C++
/*
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* Author: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
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* Copyright (c) 2014 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <iostream>
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#include <stdint.h>
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#include <stdio.h>
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#include <string>
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#include "tp401.hpp"
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#include "upm_utilities.h"
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using namespace std;
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//! [Interesting]
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// Give a qualitative meaning to the value from the sensor
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std::string
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airQuality(uint16_t value)
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{
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if (value < 50)
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return "Fresh Air";
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if (value < 200)
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return "Normal Indoor Air";
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if (value < 400)
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return "Low Pollution";
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if (value < 600)
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return "High Pollution - Action Recommended";
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return "Very High Pollution - Take Action Immediately";
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}
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int
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main()
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{
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upm::TP401 airSensor(0);
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cout << airSensor.name() << endl;
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fprintf(stdout, "Heating sensor for 3 minutes...\n");
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// wait 3 minutes for sensor to warm up
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for (int i = 0; i < 3; i++) {
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if (i) {
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fprintf(stdout, "Please wait, %d minute(s) passed..\n", i);
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}
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upm_delay(60);
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}
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fprintf(stdout, "Sensor ready!\n");
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while (true) {
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uint16_t value = airSensor.getSample(); // Read raw value
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float ppm = airSensor.getPPM(); // Read CO ppm (can vary slightly from previous read)
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fprintf(stdout, "raw: %4d ppm: %5.2f %s\n", value, ppm, airQuality(value).c_str());
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upm_delay_us(2500000); // Sleep for 2.5s
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}
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return 0;
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}
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//! [Interesting]
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