jason ji / Mbed OS mbed-os-example-blinky

this is a ping-pang blinky in 4 LED.

Fork of mbed-os-example-mbed5-blinky by mbed-os-examples

main.cpp

Committer:
jasonjee
Date:
2016-10-20
Revision:
14:c4162b826d08
Parent:
8:bb09890333fe

File content as of revision 14:c4162b826d08:

#include "mbed.h"

DigitalOut led1(LED1);
DigitalOut led2(LED2);
DigitalOut led3(LED3);
DigitalOut led4(LED4);

// main() runs in its own thread in the OS
// (note the calls to Thread::wait below for delays)
int main() {
        char a=1,b;
    while (true) {
        led1 = !(a^1);
        led2 = !(a^2);
        led3 = !(a^4);
        led4 = !(a^8);
        if (led1) b=1;
        if (led4) b=0;
        if (b) a=a<<1;
        else a=a>>1;
        Thread::wait(500);
    }
}