/* Change Logs: Date Author Notes  charlown first version  */
rt_uint32_t ch32_get_sysclock_frequency(void)
/* Change Logs: Date Author Notes  charlown first version  */
rt_uint32_t ch32_get_sysclock_frequency(void)
{
    RCC_ClocksTypeDef RCC_Clocks;
    RCC_GetClocksFreq(&RCC_Clocks);
    return RCC_Clocks.SYSCLK_Frequency;
}