170bdd104f
Large change that removes the duplicated MIT notice withe a spdx tag Signed-off-by: Thomas Ingleby <thomas.ingleby@intel.com>
57 lines
1.1 KiB
C++
57 lines
1.1 KiB
C++
/*
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* Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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* Copyright (c) 2018 Linaro Ltd.
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*
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* SPDX-License-Identifier: MIT
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*
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* Example usage: Configures GPIO pin for interrupt and waits 30 seconds for the isr to trigger
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*
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*/
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/* standard headers */
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#include <iostream>
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#include <stdlib.h>
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#include <unistd.h>
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/* mraa headers */
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#include "mraa/common.hpp"
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#include "mraa/gpio.hpp"
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#define GPIO_PIN 6
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void
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int_handler(void* args)
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{
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std::cout << "ISR triggered" << std::endl;
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}
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int
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main(void)
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{
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mraa::Result status;
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//! [Interesting]
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/* initialize GPIO */
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mraa::Gpio gpio(GPIO_PIN);
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/* set GPIO to input */
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status = gpio.dir(mraa::DIR_IN);
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if (status != mraa::SUCCESS) {
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printError(status);
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return EXIT_FAILURE;
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}
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/* configure ISR for GPIO */
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status = gpio.isr(mraa::EDGE_BOTH, &int_handler, NULL);
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if (status != mraa::SUCCESS) {
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printError(status);
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return EXIT_FAILURE;
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}
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/* wait 30 seconds isr trigger */
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sleep(30);
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//! [Interesting]
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return EXIT_SUCCESS;
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}
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