Robert Buch / 1_Digitalio

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A5_Lekt1_Knightrider_Digitalio.cpp

Committer:
robertbuc
Date:
2020-01-12
Revision:
1:f67201cad9f7
Parent:
0:b4e3ba4a7bd3

File content as of revision 1:f67201cad9f7:

/*
5. [Knightrider] Erstelle mit Hilfe der DigitalOut ein Programm zur Erzeugung 
des LED-Sweep-Effekt „Knightrider“ mit den integrierten vier blauen LEDs.
*/

#include "mbed.h"

BusOut leds(D0,D3,D6,D9,D11,D12,A1,A5);

void knightrider(); 

int main()
{ 
    while(1)
    {
        knightrider();
    }
}

void knightrider()
{
   leds=1;
   wait_ms(300);
   for(int i=0;i<3;i++) //4 lichter einschalten
   {
    leds=leds<<1|1; 
    wait_ms(300);
    } 
    for(int i=0;i<8;i++) //4 lichter verschieben
    {
        leds=leds<<1;
        wait_ms(300);    
    }
    
    //retour
    
    leds=128;
    wait_ms(300);
    for(int i=0;i<3;i++) //4 lichter einschalten
    {
    leds=leds>>1|128; 
    wait_ms(300);
    } 
    for(int i=0;i<8;i++) //4 lichter verschieben
    {
        leds=leds>>1;
        wait_ms(300);    
    }
}