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STM32的恒温消毒柜设计

/******************** CH1807 Team  ********************
 * 文件名  ：exti.c
 * 描述    ：I/O线中断应用函数库         
 * 实验平台：CHD1807-STM32开发板
 * 硬件连接：-------------------------
 *          | PC2 - SW1              |
 *          |                         |
 *           -------------------------
 * 库版本  ：ST3.0.0
 *
**********************************************************************************/
#include "exti.h"

/*
 * 函数名：NVIC_Configuration
 * 描述  ：配置嵌套向量中断控制器NVIC
 * 输入  ：无
 * 输出  ：无
 * 调用  ：内部调用
 */
static void NVIC_Configuration(void)
{
  NVIC_InitTypeDef NVIC_InitStructure;
  
  /* Configure one bit for preemption priority */
  NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
  
  /* 配置P[A|B|C|D|E]0为中断源 */
  NVIC_InitStructure.NVIC_IRQChannel = EXTI2_IRQn;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);

  NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
  
  /* 配置P[A|B|C|D|E]0为中断源 */
  NVIC_InitStructure.NVIC_IRQChannel = EXTI3_IRQn;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);
}

/*
 * 函数名：EXTI_PC0_Config
 * 描述  ：配置 PE5 为线中断口，并设置中断优先级
 * 输入  ：无
 * 输出  ：无
 * 调用  ：外部调用
 */
void EXTI_PC2_Config(void)
{
	GPIO_InitTypeDef GPIO_InitStructure; 
	EXTI_InitTypeDef EXTI_InitStructure;

 
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_AFIO,ENABLE);
												
	 
	NVIC_Configuration();

 	
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;       
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;	 // 上拉输入
  GPIO_Init(GPIOC, &GPIO_InitStructure);
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource2); 
  EXTI_InitStructure.EXTI_Line = EXTI_Line2;
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling; //下降沿中断
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  EXTI_Init(&EXTI_InitStructure); 


  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;       
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;	 // 上拉输入
  GPIO_Init(GPIOC, &GPIO_InitStructure);
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource3); 
  EXTI_InitStructure.EXTI_Line = EXTI_Line3;
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling; //下降沿中断
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  EXTI_Init(&EXTI_InitStructure); 
}

/******************* CH1807 Team *****END OF FILE****/