1217c5c034
Small cleanup of MRAA C++ examples. Switched from heap allocation to stack allocation when possible. This simplifies the samples since it removes the need for explicit memory management. Signed-off-by: Noel Eck <noel.eck@intel.com>
61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
/*
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* Author: Brendan Le Foll <brendan.le.foll@intel.com>
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* Contributors: Alex Tereschenko <alex.mkrs@gmail.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 <signal.h>
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#include "mraa.hpp"
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int running = 0;
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void
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sig_handler(int signo)
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{
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if (signo == SIGINT) {
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printf("closing down nicely\n");
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running = -1;
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}
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}
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//! [Interesting]
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int
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main()
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{
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uint16_t adc_value;
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float adc_value_float;
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mraa::Aio a0(0);
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signal(SIGINT, sig_handler);
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while (running == 0) {
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adc_value = a0.read();
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adc_value_float = a0.readFloat();
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fprintf(stdout, "ADC A0 read %X - %d\n", adc_value, adc_value);
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fprintf(stdout, "ADC A0 read float - %.5f (Ctrl+C to exit)\n", adc_value_float);
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}
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return MRAA_SUCCESS;
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}
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//! [Interesting]
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