Charles Tritt / Mbed OS 21_ButtonImproved_v5

Initial version. Illuminates the LED when the user button is held down. Otherwise, the LED is off. Variation on 21_Button_v5.

main.cpp

Committer:
mbed_official
Date:
2019-10-14
Revision:
100:ec006d6f3cb6
Parent:
98:f2d7e14c84a1
Child:
102:6979ad8bc0bc

File content as of revision 100:ec006d6f3cb6:

/* mbed Microcontroller Library
 * Copyright (c) 2018 ARM Limited
 * SPDX-License-Identifier: Apache-2.0
 */

#include "mbed.h"
#include "platform/mbed_thread.h"
#include "stats_report.h"

DigitalOut led1(LED1);

#define SLEEP_TIME                  500 // (msec)
#define PRINT_AFTER_N_LOOPS         20

// main() runs in its own thread in the OS
int main()
{
    SystemReport sys_state( SLEEP_TIME * PRINT_AFTER_N_LOOPS /* Loop delay time in ms */);

    int count = 0;
    while (true) {
        // Blink LED and wait 0.5 seconds
        led1 = !led1;
        thread_sleep_for(SLEEP_TIME);

        if ((0 == count) || (PRINT_AFTER_N_LOOPS == count)) {
            // Following the main thread wait, report on the current system status
            sys_state.report_state();
            count = 0;
        }
        ++count;
    }
}