#include "mbed.h"

PwmOut motorPwmL(D14), motorPwmR(D15) ;
DigitalOut enable(D10), bi1(D12), bi2 (D13);
DigitalIn button(USER_BUTTON);

int main() {
    float x=0.5;
    int s=0;
    enable.write(1);
    bi1.write(1);
    bi2.write(1);
    motorPwmL.period_ms(10);
    motorPwmR.period_ms (10);
    motorPwmL.write(0.5f);
    motorPwmR.write(0.5f);

    while(1){
        if(button==0){
            s++;
            wait(0.3);
                if(s>7)
                    s=0;
            }
         if(s==0){
            motorPwmL.write(0.5f);
            motorPwmR.write(0.5f);
            }
         if(s==1){
            motorPwmL.write(0.7f);
            motorPwmR.write(0.5f);
            }
         if(s==2){
            motorPwmL.write(0.9f);
            motorPwmR.write(0.5f);
            }
         if(s==3){
            motorPwmL.write(0.5f);
            motorPwmR.write(0.7f);
            }
         if(s==4){
            motorPwmL.write(0.5f);
            motorPwmR.write(0.9f);
            }
         if(s==5){
            motorPwmL.write(0.7f);
            motorPwmR.write(0.7f);
            }
         if(s==6){
            motorPwmL.write(0.9f);
            motorPwmR.write(0.9f);
            }
         if(s==7){
            motorPwmL.write(0.2f);
            motorPwmR.write(0.2f);
            }
        }


    wait(5);
    motorPwmL.write(0.7f);
    motorPwmR.write(0.7f);

    wait(5);
    motorPwmL.write(0.5f);
    motorPwmR.write(0.5f);

}