/* Enables or disables the Internal High Speed oscillator (HSI). HSI can not be stopped if it is used directly or through the PLL as system clock.  */
void RCC_HSICmd(FunctionalState NewState)
/* Enables or disables the Internal High Speed oscillator (HSI). HSI can not be stopped if it is used directly or through the PLL as system clock.  */
void RCC_HSICmd(FunctionalState NewState)
{
    assert_param(IS_FUNCTIONAL_STATE(NewState));
    if(NewState==ENABLE)
    {
        RCC->CR |= 0x01;
    }
    else
    {
        RCC->CR &= 0xfffffffe;
    }
}