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60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
/*
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* Author: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2015 Intel Corporation.
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*
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* This program and the accompanying materials are made available under the
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* terms of the The MIT License which is available at
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* https://opensource.org/licenses/MIT.
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <unistd.h>
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#include <signal.h>
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#include <upm_utilities.h>
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#include <rpr220.h>
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int shouldRun = true;
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void sig_handler(int signo)
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{
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if (signo == SIGINT)
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shouldRun = false;
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}
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int main()
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{
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signal(SIGINT, sig_handler);
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//! [Interesting]
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// This example uses a simple method to determine current status
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// Instantiate an RPR220 digital pin D2
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// This was tested on the Grove IR Reflective Sensor
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rpr220_context sensor = rpr220_init(2);
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if (!sensor)
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{
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printf("rpr220_init() failed\n");
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return 1;
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}
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while (shouldRun)
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{
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if (rpr220_black_detected(sensor))
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printf("Black detected\n");
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else
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printf("Black NOT detected\n");
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upm_delay_ms(100); // 100ms
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}
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printf("Exiting...\n");
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rpr220_close(sensor);
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//! [Interesting]
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return 0;
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}
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