170bdd104f
Large change that removes the duplicated MIT notice withe a spdx tag Signed-off-by: Thomas Ingleby <thomas.ingleby@intel.com>
87 lines
2.0 KiB
C++
87 lines
2.0 KiB
C++
/*
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* Author: Brendan Le Foll <brendan.le.foll@intel.com>
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* Contributors: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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* Copyright (c) 2015 Intel Corporation.
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*
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* SPDX-License-Identifier: MIT
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*
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* Example usage: Prints "Hello Mraa!" recursively. Press Ctrl+C to exit
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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 <signal.h>
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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/uart.hpp"
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/* UART port */
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#define UART_PORT 0
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const char* dev_path = "/dev/ttyS0";
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volatile sig_atomic_t flag = 1;
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void
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sig_handler(int signum)
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{
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if (signum == SIGINT) {
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std::cout << "Exiting..." << std::endl;
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flag = 0;
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}
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}
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int
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main(void)
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{
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signal(SIGINT, sig_handler);
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//! [Interesting]
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// If you have a valid platform configuration use numbers to represent uart
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// device. If not use raw mode where std::string is taken as a constructor
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// parameter
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mraa::Uart* uart, *temp;
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try {
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uart = new mraa::Uart(UART_PORT);
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temp = uart;
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} catch (std::exception& e) {
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std::cerr << e.what() << ", likely invalid platform config" << std::endl;
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}
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try {
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uart = new mraa::Uart(dev_path);
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} catch (std::exception& e) {
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std::cerr << "Error while setting up raw UART, do you have a uart?" << std::endl;
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std::terminate();
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}
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if (uart->setBaudRate(115200) != mraa::SUCCESS) {
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std::cerr << "Error setting parity on UART" << std::endl;
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}
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if (uart->setMode(8, mraa::UART_PARITY_NONE, 1) != mraa::SUCCESS) {
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std::cerr << "Error setting parity on UART" << std::endl;
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}
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if (uart->setFlowcontrol(false, false) != mraa::SUCCESS) {
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std::cerr << "Error setting flow control UART" << std::endl;
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}
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while (flag) {
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/* send data through uart */
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uart->writeStr("Hello Mraa!");
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sleep(1);
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}
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//! [Interesting]
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delete uart;
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delete temp;
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return EXIT_SUCCESS;
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}
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