main.cpp

00001 #include "mbed.h"
00002 
00003 PwmOut myled1(LED1);
00004 PwmOut myled2(LED2);
00005 PwmOut myled3(LED3);
00006 PwmOut myled4(LED4);
00007 
00008 PwmOut * leds[4];
00009 
00010 int main() {
00011     leds[0] = &myled1;
00012     leds[1] = &myled2;
00013     leds[2] = &myled3;
00014     leds[3] = &myled4;
00015 
00016     float level = 0;
00017     float increment = 0.01;
00018     int which = 0;
00019            
00020     while(1) {
00021         level += increment;
00022         
00023         if( level >= 1 ) { 
00024             *(leds[which]) = 1;
00025             which++;
00026             if( which > 3 ) {
00027                 which = 3;
00028                 increment = -0.01;
00029                 wait(0.5);
00030             }
00031             else {
00032                 level = 0;
00033             }
00034         }
00035         else if( level <= 0 ) {
00036             *(leds[which]) = 0;
00037             which--;
00038             if( which < 0 ) {
00039                 which = 0;
00040                 increment = 0.01;
00041                 wait(0.5);
00042             }
00043             else {
00044                 level = 0.999;
00045             }
00046         }
00047         
00048         *(leds[which]) = level;
00049         wait(0.01);
00050     }
00051 }