/********************************** (C) COPYRIGHT *******************************
 * File Name          : system_ch32x035.h
 * Author             : WCH
 * Version            : V1.0.0
 * Date               : 2023/04/06
 * Description        : CH32X035 Device Peripheral Access Layer System Header File.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for 
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __SYSTEM_CH32X035_H
#define __SYSTEM_CH32X035_H

#ifdef __cplusplus
 extern "C" {
#endif

#define HCLK_48MHZ      RCC_HPRE_DIV1
#define HCLK_24MHZ      RCC_HPRE_DIV2
#define HCLK_16MHZ      RCC_HPRE_DIV3
#define HCLK_12MHZ      RCC_HPRE_DIV4
#define HCLK_9_6MHZ     RCC_HPRE_DIV5
#define HCLK_8MHZ       RCC_HPRE_DIV6
#define HCLK_6_8MHZ     RCC_HPRE_DIV7
#define HCLK_6MHZ       RCC_HPRE_DIV8
#define HCLK_3MHZ       RCC_HPRE_DIV16
#define HCLK_1_5MHZ     RCC_HPRE_DIV32
#define HCLK_750KHZ     RCC_HPRE_DIV64
#define HCLK_375KHZ     RCC_HPRE_DIV128
#define HCLK_187KHZ     RCC_HPRE_DIV256


extern uint32_t SystemCoreClock;          /* System Clock Frequency (Core Clock) */

/* System_Exported_Functions */  
extern void SystemInit(void);
extern void SystemCoreClockUpdate(void);

void SetSysClock_HSI(uint32_t divider);



#ifdef __cplusplus
}
#endif

#endif