if(TIM10->CNT == 65535)
     {
       do{
         ticks_count = (((TIM9->CNT)-1)<<16) | 65535;
         }while((TIM10->CNT)==0);
     }
     else{
       ticks_count = ((TIM9->CNT)<<16) | (TIM10->CNT);
     }

/******************/
    if(((ticks_count = (((TIM9->CNT))<<16) | TIM10->CNT) & 0xffff ) == 65535)
    {
        do{
        ticks_count = (((TIM9->CNT)-1)<<16) | 65535;
        }while((TIM10->CNT)==0);
    }