File content as of revision 0:97e5dad63cdd:

#include "mbed.h"

PwmOut led1(LED2);
PwmOut led2(LED1);
PwmOut led3(LED3);

Serial pc(USBTX, USBRX);

void ledCheck(double *led, double current, double high, double low);


int main() {
    
    int press;
    double d1 = 0.01;
    double d2 = 0.01;
    double d3 = 0.01;
    led1.period(0.001); 
    led2.period(0.001); 
    led3.period(0.001); 
    led1 = 0.33;
    led2 = 0.66;
    led3 = 1.0;
    double current;
    
    wait(1.0);
     
    while(true) {

        
            wait(0.02);
            led1 = led1 + d1;
            wait(0.02);
            led2 = led2 + d2;
            wait(0.02);
            led3 = led3 + d3;
            
            current = led1;
            ledCheck(&d1, current, 1.0, 0.0);
            current = led2;
            ledCheck(&d2, current, 1.0, 0.0);
            current = led3;
            ledCheck(&d3, current, 1.0, 0.0);
            
             
            
        }       
    }



void ledCheck(double *led, double current, double high, double low){

    if(current <= low){
        *led = 0.01;
    }else if(current >= high){
        *led = -0.01;
    }else{}
    
}