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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32f20x_misc.h
* Author : WCH
* Version : V1.0.0
* Date : 2021/08/08
* Description : This file contains all the functions prototypes for the
* miscellaneous firmware library functions.
*******************************************************************************/
#ifndef __CH32F20x_MISC_H
#define __CH32F20x_MISC_H
#ifdef __cplusplus
extern "C" {
#endif
#include "ch32f20x.h"
/* NVIC Init Structure definition */
typedef struct
{
uint8_t NVIC_IRQChannel; /* Specifies the IRQ channel to be enabled or disabled.
This parameter can be a value of @ref IRQn_Type
(For the complete CH32 Devices IRQ Channels list, please
refer to ch32f10x.h file) */
uint8_t NVIC_IRQChannelPreemptionPriority; /* Specifies the pre-emption priority for the IRQ channel
specified in NVIC_IRQChannel. This parameter can be a value
between 0 and 15 as described in the table @ref NVIC_Priority_Table */
uint8_t NVIC_IRQChannelSubPriority; /* Specifies the subpriority level for the IRQ channel specified
in NVIC_IRQChannel. This parameter can be a value
between 0 and 15 as described in the table @ref NVIC_Priority_Table */
FunctionalState NVIC_IRQChannelCmd; /* Specifies whether the IRQ channel defined in NVIC_IRQChannel
will be enabled or disabled.
This parameter can be set either to ENABLE or DISABLE */
} NVIC_InitTypeDef;
/* Vector_Table_Base */
#define NVIC_VectTab_RAM ((uint32_t)0x20000000)
#define NVIC_VectTab_FLASH ((uint32_t)0x08000000)
/* System_Low_Power */
#define NVIC_LP_SEVONPEND ((uint8_t)0x10)
#define NVIC_LP_SLEEPDEEP ((uint8_t)0x04)
#define NVIC_LP_SLEEPONEXIT ((uint8_t)0x02)
/* Preemption_Priority_Group */
#define NVIC_PriorityGroup_0 ((uint32_t)0x700) /* 0 bits for pre-emption priority
4 bits for subpriority */
#define NVIC_PriorityGroup_1 ((uint32_t)0x600) /* 1 bits for pre-emption priority
3 bits for subpriority */
#define NVIC_PriorityGroup_2 ((uint32_t)0x500) /* 2 bits for pre-emption priority
2 bits for subpriority */
#define NVIC_PriorityGroup_3 ((uint32_t)0x400) /* 3 bits for pre-emption priority
1 bits for subpriority */
#define NVIC_PriorityGroup_4 ((uint32_t)0x300) /* 4 bits for pre-emption priority
0 bits for subpriority */
/* SysTick_clock_source */
#define SysTick_CLKSource_HCLK_Div8 ((uint32_t)0xFFFFFFFB)
#define SysTick_CLKSource_HCLK ((uint32_t)0x00000004)
void NVIC_PriorityGroupConfig(uint32_t NVIC_PriorityGroup);
void NVIC_Init(NVIC_InitTypeDef* NVIC_InitStruct);
void NVIC_SetVectorTable(uint32_t NVIC_VectTab, uint32_t Offset);
void NVIC_SystemLPConfig(uint8_t LowPowerMode, FunctionalState NewState);
void SysTick_CLKSourceConfig(uint32_t SysTick_CLKSource);
#ifdef __cplusplus
}
#endif
#endif
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