stm32_template/system_Template/NVIC.c

#include "main.h"

/*============================================================================================================================
    NVIC_PriorityGroup   | NVIC_IRQChannelPreemptionPriority | NVIC_IRQChannelSubPriority  | Description
  ============================================================================================================================
   NVIC_PriorityGroup_0  |                0                  |            0-15             |   0 bits for pre-emption priority
                         |                                   |                             |   4 bits for subpriority
  ----------------------------------------------------------------------------------------------------------------------------
   NVIC_PriorityGroup_1  |                0-1                |            0-7              |   1 bits for pre-emption priority
                         |                                   |                             |   3 bits for subpriority
  ----------------------------------------------------------------------------------------------------------------------------    
   NVIC_PriorityGroup_2  |                0-3                |            0-3              |   2 bits for pre-emption priority
                         |                                   |                             |   2 bits for subpriority
  ----------------------------------------------------------------------------------------------------------------------------    
   NVIC_PriorityGroup_3  |                0-7                |            0-1              |   3 bits for pre-emption priority
                         |                                   |                             |   1 bits for subpriority
  ----------------------------------------------------------------------------------------------------------------------------    
   NVIC_PriorityGroup_4  |                0-15               |            0                |   4 bits for pre-emption priority
                         |                                   |                             |   0 bits for subpriority                       
  ============================================================================================================================*/

static void NVIC_Config(void);

NVICClassStruct NVICClass = {
	.Init = NVIC_Config
};

static void NVIC_Config()
{
	NVIC_InitTypeDef NVIC_InitStructure;
	
	NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);

//	NVIC_InitStructure.NVIC_IRQChannel = USB_LP_CAN1_RX0_IRQn;
//	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;     		// Ö÷ÓÅÏȼ¶Îª1
//	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;            		// ´ÎÓÅÏȼ¶Îª0
//	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
//	NVIC_Init(&NVIC_InitStructure);

//	NVIC_InitStructure.NVIC_IRQChannel = TIM1_UP_IRQn;	
//	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;	 
//	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;	
//	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
//	NVIC_Init(&NVIC_InitStructure);
	
	NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;	
	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 3;	 
	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;	
	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
	NVIC_Init(&NVIC_InitStructure);
	
//	NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn;	
//	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;	 
//	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;	
//	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
//	NVIC_Init(&NVIC_InitStructure);

//	NVIC_InitStructure.NVIC_IRQChannel = EXTI3_IRQn;	
//	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 4;	 
//	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;	
//	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
//	NVIC_Init(&NVIC_InitStructure);
//	
//	NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;	
//	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 5;	 
//	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;	
//	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
//	NVIC_Init(&NVIC_InitStructure);
}