改成快速通讯参数

zhyinch

2018-09-15 cd37e4ce22e7d61e5cfd9ff88fca38eaeab5e363

 源码/核心板/Src/OnChipDevices/Rcc_Nvic_Systick.c

@@ -44,15 +44,26 @@
void Nvic_Init(void)
{
   NVIC_InitTypeDef NVIC_InitStructure;
	
      EXTI_InitTypeDef EXTI_InitStructure;
   NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
   
   /* Enable and set EXTI Interrupt to the lowest priority */
    NVIC_InitStructure.NVIC_IRQChannel = EXTI2_IRQn;
    NVIC_InitStructure.NVIC_IRQChannel = DECAIRQ_EXTI_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 15;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

      EXTI_InitStructure.EXTI_Line = EXTI_Line17;
    EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
    EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
    EXTI_InitStructure.EXTI_LineCmd = ENABLE;
    EXTI_Init(&EXTI_InitStructure); 
	
      NVIC_InitStructure.NVIC_IRQChannel = RTCAlarm_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
      NVIC_InitStructure.NVIC_IRQChannelCmd =ENABLE;
	
    NVIC_Init(&NVIC_InitStructure);
}

@@ -65,7 +76,7 @@
        while (time_retry--);
      return 1;
    }
    NVIC_SetPriority (SysTick_IRQn, 5);
    NVIC_SetPriority(SysTick_IRQn, 5);

    return 0;
   
@@ -89,4 +100,4 @@
{  
    uint32_t i=1000*nTimer;  
    delay_us(i);  
}  
}