       {         /* HSI used as PLL clock source */         pllvco = (HSI_VALUE / pllm) * ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> 0);       }   #endif /* USE_HSE_BYPASS */   #endif /* STM00F00_00xxx || STM00F000_000xx || STM00F000_000xx || STM00F000xx */    