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examples: C/C++ examples use transitive dependencies

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Updated the examples to comprehend transitive dependencies.  This means
that each example target will no longer have a giant list of -I includes
(the examples at the end of the list had includes for all previous
examples, upwards of 200 -I's on the command line).

    * Created a CMakeLists.txt in the upm/examples directory, moved
      common functionality to this level.
    * C/C++ examples now look to the filename for their dependency
      target name, ie; gas-mq2.cxx adds a dependency to the 'gas' target
    * Updated a handful of C/C++ example names to reflect this
    * Example CMake flow - glob the list of files, add targets for any
      special case examples, then att targets for all the rest

Signed-off-by: Noel Eck <noel.eck@intel.com>
This commit is contained in:
Noel Eck
2017-04-03 14:39:11 -07:00
parent 76a12af15f
commit 048f1ac08e
57 changed files with 160 additions and 600 deletions
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61
examples/c/speaker-pwm.c Normal file
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/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2017 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 <stdio.h>
#include "speaker.h"
int main ()
{
//! [Interesting]
// Instantiate a Speaker (PWM) on digital pin D3
speaker_context speaker = speaker_init_pwm(26);
if (!speaker)
{
printf("speaker_init() failed\n");
return 1;
}
// emit a series of frequencies for 500ms each
speaker_emit(speaker, 50, 500);
speaker_emit(speaker, 75, 500);
speaker_emit(speaker, 125, 500);
speaker_emit(speaker, 250, 500);
speaker_emit(speaker, 500, 500);
speaker_emit(speaker, 1000, 500);
speaker_emit(speaker, 2000, 500);
speaker_emit(speaker, 3000, 500);
speaker_emit(speaker, 5000, 500);
speaker_emit(speaker, 10000, 500);
printf("Exiting\n");
speaker_close(speaker);
//! [Interesting]
return 0;
}