/* Disable the Low Speed APB (APB1) peripheral clock.  */
void RCM_DisableAPB1PeriphClock(uint32_t APB1Periph)
/* Disable the Low Speed APB (APB1) peripheral clock.  */
void RCM_DisableAPB1PeriphClock(uint32_t APB1Periph)
{
    RCM->APBCLKEN1 &= (uint32_t)~APB1Periph;
}