/* Enables or disables the Internal Low Speed oscillator (LSI).  */
void RCC_LSICmd(FunctionalState NewState)
/* Enables or disables the Internal Low Speed oscillator (LSI).  */
void RCC_LSICmd(FunctionalState NewState)
{
    assert_param(IS_FUNCTIONAL_STATE(NewState));
    if (NewState != DISABLE)
    {
        RCC->CSR |= RCC_CSR_LSION;
    }
    else
    {
        RCC->CSR &= ~RCC_CSR_LSION;
    }
}