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@100:ec006d6f3cb6, 2019-10-14 (annotated)

Committer:
mbed_official
Date:
Mon Oct 14 14:00:04 2019 +0100
Revision:
100:ec006d6f3cb6
Parent:
98:f2d7e14c84a1
Child:
102:6979ad8bc0bc
Call `thread_sleep_for` to sleep (#193)



This function allows the application to be built wit the bare metal

profile without requiring `rtos-api` to be added in the list of required libraries.

.

Commit copied from https://github.com/ARMmbed/mbed-os-example-blinky

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 82:abf1b1785bd7 1 /* mbed Microcontroller Library
mbed_official 82:abf1b1785bd7 2 * Copyright (c) 2018 ARM Limited
mbed_official 82:abf1b1785bd7 3 * SPDX-License-Identifier: Apache-2.0
mbed_official 82:abf1b1785bd7 4 */
mbed_official 82:abf1b1785bd7 5
Jonathan Austin 0:2757d7abb7d9 6 #include "mbed.h"
mbed_official 100:ec006d6f3cb6 7 #include "platform/mbed_thread.h"
mbed_official 82:abf1b1785bd7 8 #include "stats_report.h"
Jonathan Austin 0:2757d7abb7d9 9
Jonathan Austin 0:2757d7abb7d9 10 DigitalOut led1(LED1);
Jonathan Austin 0:2757d7abb7d9 11
mbed_official 88:bea4f2daa48c 12 #define SLEEP_TIME 500 // (msec)
mbed_official 88:bea4f2daa48c 13 #define PRINT_AFTER_N_LOOPS 20
mbed_official 88:bea4f2daa48c 14
Jonathan Austin 1:846c97078558 15 // main() runs in its own thread in the OS
mbed_official 82:abf1b1785bd7 16 int main()
mbed_official 82:abf1b1785bd7 17 {
mbed_official 88:bea4f2daa48c 18 SystemReport sys_state( SLEEP_TIME * PRINT_AFTER_N_LOOPS /* Loop delay time in ms */);
mbed_official 82:abf1b1785bd7 19
mbed_official 88:bea4f2daa48c 20 int count = 0;
Jonathan Austin 0:2757d7abb7d9 21 while (true) {
mbed_official 82:abf1b1785bd7 22 // Blink LED and wait 0.5 seconds
Jonathan Austin 0:2757d7abb7d9 23 led1 = !led1;
mbed_official 100:ec006d6f3cb6 24 thread_sleep_for(SLEEP_TIME);
mbed_official 82:abf1b1785bd7 25
mbed_official 88:bea4f2daa48c 26 if ((0 == count) || (PRINT_AFTER_N_LOOPS == count)) {
mbed_official 88:bea4f2daa48c 27 // Following the main thread wait, report on the current system status
mbed_official 88:bea4f2daa48c 28 sys_state.report_state();
mbed_official 88:bea4f2daa48c 29 count = 0;
mbed_official 88:bea4f2daa48c 30 }
mbed_official 88:bea4f2daa48c 31 ++count;
Jonathan Austin 0:2757d7abb7d9 32 }
Jonathan Austin 0:2757d7abb7d9 33 }