Example #1
0
/*******************************************************************************
* Function Name  : EXTI_Configuration
* Description    : Configures the used EXTI lines.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void EXTI_Configuration(void)
{
  /* Connect EXTI Line0 to PA.00 */
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource0);

  /* Configure EXTI Line0 to generate an interrupt on falling edge */ 
  EXTI_InitStructure.EXTI_Line = EXTI_Line0;
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  EXTI_Init(&EXTI_InitStructure);


  /* Connect EXTI Line13 to PC.13 */
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource13);  

  /* Configure EXTI Line13 to generate an event on falling edge */
  EXTI_InitStructure.EXTI_Line = EXTI_Line13;
  EXTI_Init(&EXTI_InitStructure);


  /* Connect Key Button EXTI Line to GPIO Key Button Pin */  
  GPIO_EXTILineConfig(GPIO_PORT_SOURCE_KEY_BUTTON, GPIO_PIN_SOURCE_KEY_BUTTON);  

  /* Configure Key Button EXTI Line to generate an event on falling edge */
  EXTI_InitStructure.EXTI_Line = EXTI_LINE_KEY_BUTTON;
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Event;
  EXTI_Init(&EXTI_InitStructure);
}
Example #2
0
/*******************************************************************************
* Function Name : EXTI_Configuration.
* Description   : Configure the EXTI lines for Key and Tamper push buttons.
* Input         : None.
* Output        : None.
* Return value  : The direction value.
*******************************************************************************/
void EXTI_Configuration(void)
{ 
    EXTI_InitTypeDef EXTI_InitStructure;

    /* Configure gpio as input : Button Left-WKUP */
    /* Connect EXTI Line to gpio pin */
    GPIO_EXTILineConfig(GPIO_PORTSOURCE_KEY, GPIO_PINSOURCE_KEY1);

    /* Configure EXTI Line to generate an interrupt */
    EXTI_InitStructure.EXTI_Line    = GPIO_EXTI_Line_KEY1;
    EXTI_InitStructure.EXTI_Mode    = EXTI_Mode_Interrupt;
    EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
    EXTI_InitStructure.EXTI_LineCmd = ENABLE;
    EXTI_Init(&EXTI_InitStructure);

    /* Configure gpio as input : Button Right-USER */
    /* Connect EXTI Line to gpio pin */
    GPIO_EXTILineConfig(GPIO_PORTSOURCE_KEY, GPIO_PINSOURCE_KEY2);

    /* Configure EXTI Line to generate an interrupt */  
    EXTI_InitStructure.EXTI_Line    = GPIO_EXTI_Line_KEY2;
    EXTI_InitStructure.EXTI_Mode    = EXTI_Mode_Interrupt;
    EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
    EXTI_InitStructure.EXTI_LineCmd = ENABLE;
    EXTI_Init(&EXTI_InitStructure);

    /* USB Wakeup from suspend event */
    EXTI_ClearITPendingBit(EXTI_Line18);
    EXTI_InitStructure.EXTI_Line    = EXTI_Line18; // USB resume from suspend mode
    EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
    EXTI_InitStructure.EXTI_LineCmd = ENABLE;
    EXTI_Init(&EXTI_InitStructure);
}
Example #3
0
//================================================================================================
//
//================================================================================================
void ExtI_Configuration(void)
{
	EXTI_InitTypeDef EXTI_InitStruct;

	GPIO_EXTILineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource0);

	EXTI_InitStruct.EXTI_Line = EXTI_Line0;
	EXTI_InitStruct.EXTI_Mode = EXTI_Mode_Interrupt;
	EXTI_InitStruct.EXTI_Trigger = EXTI_Trigger_Rising;
	EXTI_InitStruct.EXTI_LineCmd = ENABLE;

	EXTI_Init(&EXTI_InitStruct);
	EXTI_ClearITPendingBit(EXTI_Line0);



	GPIO_EXTILineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource1);

	EXTI_InitStruct.EXTI_Line = EXTI_Line1;
	EXTI_InitStruct.EXTI_Mode = EXTI_Mode_Interrupt;
	EXTI_InitStruct.EXTI_Trigger = EXTI_Trigger_Rising;
	EXTI_InitStruct.EXTI_LineCmd = ENABLE;

	EXTI_Init(&EXTI_InitStruct);
	EXTI_ClearITPendingBit(EXTI_Line1);
}
Example #4
0
 /**
  * @file   Exti_Config
  * @brief  调用函数库,初始化中断配置
  * @param  无
  * @retval 无
  */
void Exti_Config(void)
{	
	/*查看外部中断/事件线路映像
  PA0、PB0、PC0、PD0、PE0、PF0、PG0 ————>映像于 EXTI0
  PA1、PB1、PC1、PD1、PE1、PF1、PG1 ————>映像于 EXTI1
  PA2、PB2、PC2、PD2、PE2、PF2、PG2 ————>映像于 EXTI2
  PA3、PB3、PC3、PD3、PE3、PF3、PG3 ————>映像于 EXTI3
  .......依次类推,每个外部中断都有一个事件线路映射*/
  //定义一个EXTI_InitTypeDef 类型的结构体
  EXTI_InitTypeDef EXTI_InitStructure;
  //使能AFIO功能的时钟
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE); 
	
  //设置PB14,PB15,PB5作为中断线路
  GPIO_EXTILineConfig(KEY1_BUTTON_EXTI_PORT_SOURCE, KEY1_BUTTON_EXTI_PIN_SOURCE);
  GPIO_EXTILineConfig(KEY2_BUTTON_EXTI_PORT_SOURCE, KEY2_BUTTON_EXTI_PIN_SOURCE);
  GPIO_EXTILineConfig(KEY3_BUTTON_EXTI_PORT_SOURCE, KEY3_BUTTON_EXTI_PIN_SOURCE);
  //选择中断线路14,15,5
  EXTI_InitStructure.EXTI_Line = KEY1_BUTTON_EXTI_LINE | KEY2_BUTTON_EXTI_LINE | KEY3_BUTTON_EXTI_LINE; 
  //设置为中断请求触发模式
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
  //设置为下降沿触发
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;//下降沿触发
  //设置为使能中断线
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  //调用库函数,初始化中断
  EXTI_Init(&EXTI_InitStructure);
}
Example #5
0
void EXTI_Config(void)
{
	GPIO_InitTypeDef	GPIO_InitStructure;	
	
	//EXTI IN GPIO Config
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3 | GPIO_Pin_4; //PB3-Pitch   PB4-Yaw
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;  //Set to Inpit
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;      //GPIO Speed
	GPIO_Init(GPIOB, &GPIO_InitStructure); 
	
	
	GPIO_EXTILineConfig(GPIO_PortSourceGPIOB, GPIO_PinSource3);	
	GPIO_EXTILineConfig(GPIO_PortSourceGPIOB, GPIO_PinSource4);	
	
		
	EXTI_InitStructure.EXTI_Line = EXTI_Line3 | EXTI_Line4;
	EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
	EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
	EXTI_InitStructure.EXTI_LineCmd = ENABLE;
	EXTI_Init(&EXTI_InitStructure);
	
	EXTI_GenerateSWInterrupt(EXTI_Line3 | EXTI_Line4);	
	EXTI_ClearITPendingBit(EXTI_Line3 | EXTI_Line4);
		
	NVIC_EnableIRQ(EXTI3_IRQn); // Enable interrupt 
	NVIC_EnableIRQ(EXTI4_IRQn); // Enable interrupt 
}
Example #6
0
/**
  * @brief  Configures the different EXTI lines.
  * @param  None
  * @retval None
  */
void EXTI_Configuration(void)
{
  EXTI_InitTypeDef EXTI_InitStructure;
#ifdef STM32F10X_HD_VL
  /* Select the EXTI Line11 the GPIO pin source */
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOF, GPIO_PinSource11);
#else
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOE, GPIO_PinSource11);
#endif

  /* EXTI line11 configuration -----------------------------------------------*/
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Event;
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
  EXTI_InitStructure.EXTI_Line = EXTI_Line11;
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  EXTI_Init(&EXTI_InitStructure);

  /* Select the EXTI Line15 the GPIO pin source */
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOE, GPIO_PinSource15);
  /* EXTI line15 configuration -----------------------------------------------*/
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Event;
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
  EXTI_InitStructure.EXTI_Line = EXTI_Line15;
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  EXTI_Init(&EXTI_InitStructure);
}
Example #7
0
//外部中断初始化程序
//初始化PA0,PA13,PA15为中断输入.
void EXTIX_Init(void)
{
  	GPIO_InitTypeDef GPIO_InitStructure;
 	EXTI_InitTypeDef EXTI_InitStructure;
 	//NVIC_InitTypeDef NVIC_InitStructure;


  	GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable , ENABLE);	//关闭jtag

  	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_AFIO,ENABLE);

  //init GPIOA.13,GPIOA.15  上拉输入
  	GPIO_InitStructure.GPIO_Pin  = GPIO_Pin_13|GPIO_Pin_15;
  	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
  	GPIO_Init(GPIOA, &GPIO_InitStructure);
 //init GPIOA.0	  下拉输入
  	GPIO_InitStructure.GPIO_Pin  = GPIO_Pin_0;
  	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD; 
  	GPIO_Init(GPIOA, &GPIO_InitStructure);

  //GPIOA.13
  	GPIO_EXTILineConfig(GPIO_PortSourceGPIOA,GPIO_PinSource13);

  	EXTI_InitStructure.EXTI_Line=EXTI_Line13;
  	EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;	
  	EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
  	EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  	EXTI_Init(&EXTI_InitStructure);

 //GPIOA.15
  	GPIO_EXTILineConfig(GPIO_PortSourceGPIOA,GPIO_PinSource15);

  	EXTI_InitStructure.EXTI_Line=EXTI_Line15;
  	EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;	
  	EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
  	EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  	EXTI_Init(&EXTI_InitStructure);

  //GPIOA.0
 	GPIO_EXTILineConfig(GPIO_PortSourceGPIOA,GPIO_PinSource0);

 	EXTI_InitStructure.EXTI_Line=EXTI_Line0;
  	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 = EXTI15_10_IRQn;			//使能按键所在的外部中断通道
  	// NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x02;	//先占优先级4位,共16级
  	// NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x01;					//先占优先级0位,从优先级4位
  	// NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;								//使能外部中断通道
  	// NVIC_Init(&NVIC_InitStructure); 
  
  	// NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;			//使能按键所在的外部中断通道
  	// NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x02;	//先占优先级4位,共16级
  	// NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x02;					//先占优先级0位,从优先级4位
  	// NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;								//使能外部中断通道
  	// NVIC_Init(&NVIC_InitStructure);  	
}
Example #8
0
  /*******************************************************************************
* unction Name : EXTI_Configuration.
* Description   : Configure the EXTI lines for Key and Tamper push buttons.
* Input         : None.
* Output        : None.
* Return value  : The direction value.
******************************************************************************/
void EXTI_Configuration(void)
{
    /* Connect Button EXTI Line to Button GPIO Pin */
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOB, GPIO_PinSource14);  //GPIOb14
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOB, GPIO_PinSource8);

  /* Configure EXTI_Line8 line to generate an interrupt on rising & falling edges */  
  EXTI_InitStructure.EXTI_Line = EXTI_Line8;
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  EXTI_Init(&EXTI_InitStructure);

  /* Clear the EXTI_Line1 line pending bit */
  EXTI_ClearITPendingBit(EXTI_Line8);
  
  /* Configure EXTI_Line14 line to generate an interrupt on rising & falling edges */  
  EXTI_InitStructure.EXTI_Line = EXTI_Line14;
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  EXTI_Init(&EXTI_InitStructure);

  /* Clear the EXTI_Line1 line pending bit */
  EXTI_ClearITPendingBit(EXTI_Line14);
}
Example #9
0
/**
  * @brief  Configure PA.13 in interrupt mode
  * @param  None
  * @retval None
  */
void EXTIX_Init(void)
{
        GPIO_InitTypeDef GPIO_InitStructure;
        EXTI_InitTypeDef EXTI_InitStructure;
        NVIC_InitTypeDef NVIC_InitStructure;


        GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable , ENABLE);	//关闭jtag

        RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_AFIO,ENABLE);

  //初始化 KEY0-->GPIOA.13,KEY1-->GPIOA.15  上拉输入
        GPIO_InitStructure.GPIO_Pin  = GPIO_Pin_13|GPIO_Pin_15;
        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
        GPIO_Init(GPIOA, &GPIO_InitStructure);
 // 初始化 WK_UP-->GPIOA.0        下拉输入
        GPIO_InitStructure.GPIO_Pin  = GPIO_Pin_0;
        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;
        GPIO_Init(GPIOA, &GPIO_InitStructure);

  //GPIOA.13 中断线以及中断初始化配置
        GPIO_EXTILineConfig(GPIO_PortSourceGPIOA,GPIO_PinSource13);

        EXTI_InitStructure.EXTI_Line=EXTI_Line13;
        EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
        EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
        EXTI_InitStructure.EXTI_LineCmd = ENABLE;
        EXTI_Init(&EXTI_InitStructure);         //根据EXTI_InitStruct中指定的参数初始化外设EXTI寄存器

 //GPIOA.15       中断线以及中断初始化配置
        GPIO_EXTILineConfig(GPIO_PortSourceGPIOA,GPIO_PinSource15);

        EXTI_InitStructure.EXTI_Line=EXTI_Line15;
        EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
        EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
        EXTI_InitStructure.EXTI_LineCmd = ENABLE;
        EXTI_Init(&EXTI_InitStructure);         //根据EXTI_InitStruct中指定的参数初始化外设EXTI寄存器

  //GPIOA.0       中断线以及中断初始化配置
        GPIO_EXTILineConfig(GPIO_PortSourceGPIOA,GPIO_PinSource0);

        EXTI_InitStructure.EXTI_Line=EXTI_Line0;
        EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
        EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
        EXTI_InitStructure.EXTI_LineCmd = ENABLE;
        EXTI_Init(&EXTI_InitStructure);		//根据EXTI_InitStruct中指定的参数初始化外设EXTI寄存器


        NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;			//使能按键所在的外部中断通道
        NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x02;	//抢占优先级2,
        NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x01;					//子优先级1
        NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;								//使能外部中断通道
        NVIC_Init(&NVIC_InitStructure);

        NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;			//使能按键所在的外部中断通道
        NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x02;	//抢占优先级2
        NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x02;					//子优先级2
        NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;								//使能外部中断通道
        NVIC_Init(&NVIC_InitStructure);           //根据NVIC_InitStruct中指定的参数初始化外设NVIC寄存器
}
Example #10
0
void EXTIX_Init(void)
{

	EXTI_InitTypeDef EXTI_InitStructure;
	NVIC_InitTypeDef NVIC_InitStructure;
	
	KEY_Init();				//IO口初始化
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO,ENABLE);	//打开AFIO时钟以操作中断配置寄存器?
	GPIO_EXTILineConfig(GPIO_PortSourceGPIOC,GPIO_PinSource13);	//PC3 映射到中断线EXTI13上
	GPIO_EXTILineConfig(GPIO_PortSourceGPIOE,GPIO_PinSource0);		//PE0 映射到中断线exti0上
	
	
//初始化外部中断线
	EXTI_InitStructure.EXTI_Line = 0x2000;	//使用线路为:13,
	EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;	//中断
	EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;	//下降沿
	EXTI_InitStructure.EXTI_LineCmd = ENABLE;
	EXTI_Init(&EXTI_InitStructure);
	
	EXTI_InitStructure.EXTI_Line = EXTI_Line0;	//使用线路为:0,
	EXTI_Init(&EXTI_InitStructure);
	
	//=设置中断优先级
	NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;	//外部中断线15-10中断
	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
	NVIC_Init(&NVIC_InitStructure);
	
	NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;	//外部中断线0中断
	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;	
	NVIC_Init(&NVIC_InitStructure);
}
Example #11
0
File: key.c Project: mangqu/LED_RTT
static void EXTI_Configuration()
{
	/* key1, key2 */
	{
		GPIO_InitTypeDef GPIO_InitStructure;

		RCC_APB2PeriphClockCmd(key1_rcc, ENABLE);
		RCC_APB2PeriphClockCmd(key2_rcc, ENABLE);

		GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_IPU;
		GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

		GPIO_InitStructure.GPIO_Pin   = key1_pin;
		GPIO_Init(key1_gpio, &GPIO_InitStructure);

		GPIO_InitStructure.GPIO_Pin   = key2_pin;
		GPIO_Init(key2_gpio, &GPIO_InitStructure);
	}

	GPIO_EXTILineConfig(key1_portsource, key1_pinsource);
	GPIO_EXTILineConfig(key2_portsource, key2_pinsource);

	/* Configure  EXTI  */
    EXTI_Enable(1, 1);
	EXTI_Enable(2, 1);
}
Example #12
0
void EXTIX_Init(void)
{	
	EXTI_InitTypeDef EXTI_InitStructure;
 	NVIC_InitTypeDef NVIC_InitStructure;



  	RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO,ENABLE);	

  
  	GPIO_EXTILineConfig(GPIO_PortSourceGPIOC,GPIO_PinSource6);
	  GPIO_EXTILineConfig(GPIO_PortSourceGPIOC,GPIO_PinSource7);

  	EXTI_InitStructure.EXTI_Line=EXTI_Line6;	//KEY2
  	EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;	
  	EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
  	EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  	EXTI_Init(&EXTI_InitStructure);	

		EXTI_InitStructure.EXTI_Line=EXTI_Line7;	//KEY2
		EXTI_Init(&EXTI_InitStructure);	


  	NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn;			
  	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 3;	
  	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;					
  	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;								
  	NVIC_Init(&NVIC_InitStructure); 
}
Example #13
0
/*******************************************************************************
* Function Name : EXTI_Configuration.
* Description   : Configure the EXTI lines for Key and Tamper push buttons.
* Input         : None.
* Output        : None.
* Return value  : The direction value.
*******************************************************************************/
void EXTI_Configuration(void)
{ 
    EXTI_InitTypeDef EXTI_InitStructure;

    /* Configure gpio as input : Button Left-WKUP */
    /* Connect EXTI Line to gpio pin */
    GPIO_EXTILineConfig(GPIO_PORTSOURCE_KEY, GPIO_PINSOURCE_KEY1);

    /* Configure EXTI Line to generate an interrupt */
    EXTI_InitStructure.EXTI_Line    = GPIO_EXTI_Line_KEY1;
    EXTI_InitStructure.EXTI_Mode    = EXTI_Mode_Interrupt;
    EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
    EXTI_InitStructure.EXTI_LineCmd = ENABLE;
    EXTI_Init(&EXTI_InitStructure);

    /* Configure gpio as input : Button Right-USER */
    /* Connect EXTI Line to gpio pin */
    GPIO_EXTILineConfig(GPIO_PORTSOURCE_KEY, GPIO_PINSOURCE_KEY2);

    /* Configure EXTI Line to generate an interrupt */  
    EXTI_InitStructure.EXTI_Line    = GPIO_EXTI_Line_KEY2;
    EXTI_InitStructure.EXTI_Mode    = EXTI_Mode_Interrupt;
    EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
    EXTI_InitStructure.EXTI_LineCmd = ENABLE;
    EXTI_Init(&EXTI_InitStructure);

   
}
Example #14
0
void KEY_Initialize (void)
{
    /******************** Clock Enable ********************/
    /* Enable GPIOA clock */
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);    
    
    /******************** GPIO configure ********************/
    GPIO_InitTypeDef GPIO_InitStructure;
    
    /* Configure gpio as input : Button WKUP & USER */
    GPIO_InitStructure.GPIO_Pin  = GPIO_KEY1_PIN | GPIO_KEY2_PIN;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
    GPIO_Init(GPIO_KEY, &GPIO_InitStructure);    

    /******************** Fuction configure ********************/
    EXTI_InitTypeDef EXTI_InitStructure;

    /* Configure gpio as input : Button Left-WKUP */
    /* Connect EXTI Line to gpio pin */
    GPIO_EXTILineConfig(GPIO_PORTSOURCE_KEY, GPIO_PINSOURCE_KEY1);

    /* Configure EXTI Line to generate an interrupt */
    EXTI_InitStructure.EXTI_Line    = GPIO_EXTI_Line_KEY1;
    EXTI_InitStructure.EXTI_Mode    = EXTI_Mode_Interrupt;
    EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
    EXTI_InitStructure.EXTI_LineCmd = ENABLE;
    EXTI_Init(&EXTI_InitStructure);

    /* Configure gpio as input : Button Right-USER */
    /* Connect EXTI Line to gpio pin */
    GPIO_EXTILineConfig(GPIO_PORTSOURCE_KEY, GPIO_PINSOURCE_KEY2);

    /* Configure EXTI Line to generate an interrupt */  
    EXTI_InitStructure.EXTI_Line    = GPIO_EXTI_Line_KEY2;
    EXTI_InitStructure.EXTI_Mode    = EXTI_Mode_Interrupt;
    EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
    EXTI_InitStructure.EXTI_LineCmd = ENABLE;
    EXTI_Init(&EXTI_InitStructure);      
    
    /******************** Interrupt configure ********************/
    NVIC_InitTypeDef NVIC_InitStructure;

    /* Enable the EXTI0 Interrupt */
    NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);

    /* Enable the EXTI1 Interrupt */
    NVIC_InitStructure.NVIC_IRQChannel = EXTI1_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);    
  
}
Example #15
0
/********************
- 传感器IO中断设置
*********************/
void SENSOR_EXTI_Configuration(void)
{  
	GPIO_InitTypeDef GPIO_InitStructure;
	EXTI_InitTypeDef EXTI_InitStructure;
	NVIC_InitTypeDef NVIC_InitStructure;
	
//	RCC_APB2PeriphResetCmd(RCC_APB2Periph_AFIO, ENABLE);
//	RCC_APB2PeriphResetCmd(RCC_APB2Periph_AFIO,DISABLE);

	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB|RCC_APB2Periph_AFIO, ENABLE);//PB1 ACCER_INT2
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);//PA6 GYRO_DR

	NVIC_InitStructure.NVIC_IRQChannel = EXTI1_IRQn;
	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
	NVIC_Init(&NVIC_InitStructure); 	
	
	NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn;
	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 3;
	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
	NVIC_Init(&NVIC_InitStructure);
	
	GPIO_ResetBits(GPIOB, GPIO_Pin_1);
	GPIO_ResetBits(GPIOA, GPIO_Pin_6);
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;//PB1 ACCER_INT2
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;
	GPIO_Init(GPIOB, &GPIO_InitStructure);
	
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;//PA6 GYRO_DR
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
	GPIO_Init(GPIOA, &GPIO_InitStructure);

	EXTI_DeInit();
	GPIO_EXTILineConfig(GPIO_PortSourceGPIOB, GPIO_PinSource1);
	GPIO_EXTILineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource6);

	EXTI_InitStructure.EXTI_Line = EXTI_Line1;//参考手册9.2.5节
	EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; 
	EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;  
	EXTI_InitStructure.EXTI_LineCmd = ENABLE;	
	EXTI_Init(&EXTI_InitStructure);
	
	EXTI_InitStructure.EXTI_Line = EXTI_Line6;//参考手册9.2.5节
	EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; 
	EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;  
	EXTI_InitStructure.EXTI_LineCmd = ENABLE;
	EXTI_Init(&EXTI_InitStructure);
	EXTI_GenerateSWInterrupt(EXTI_Line1);
	EXTI_GenerateSWInterrupt(EXTI_Line6);

}
Example #16
0
/*************************************************************
初始化按键和蜂鸣器
*************************************************************/
void init_key(void)
{
uint8 x;
NVIC_InitTypeDef NVIC_InitStructure;
//=====================下面初始化开关量的状态读取函数==============
   key1.read_start = Read_Key1;
   key2.read_start = Read_Key2;
   key3.read_start = Read_Key3;
   l_lidi.read_start = Read_L_LIDI;
   r_lidi.read_start = Read_R_LIDI;
   charge_dc.read_start = Read_Charge_Dc;
   charge_seat.read_start = Read_Charge_Seat;
   s_current.read_start = Read_S_Current;
   l_bump.read_start = Read_L_Bump;
   r_bump.read_start = Read_R_Bump;
   for(x=0; x<4; x++)
   { //当有按键时为1,那么开始就为0
       hightaction[x]->sign = 0;
	   hightaction[x]->number = 0;
	   hightaction[x]->key = 0;
   }
   for(x=0; x<6; x++)
   { //当有按键时为0,那么开始就为1
       lowaction[x]->sign = 1;
	   lowaction[x]->number = 0;
	   lowaction[x]->key = 1;
   }
   key_time = FALSE;
   
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOD, GPIO_PinSource1);
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOD, GPIO_PinSource2);
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOD, GPIO_PinSource3);
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOD, GPIO_PinSource11);
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOD, GPIO_PinSource12);
  EXTI->FTSR |= 0xe;
  EXTI->RTSR |= 0x1800;
  
  NVIC_InitStructure.NVIC_IRQChannel = EXTI1_IRQChannel;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 13;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);
  
  NVIC_InitStructure.NVIC_IRQChannel = EXTI1_IRQChannel;
  NVIC_Init(&NVIC_InitStructure);
  NVIC_InitStructure.NVIC_IRQChannel = EXTI2_IRQChannel;
  NVIC_Init(&NVIC_InitStructure);
  NVIC_InitStructure.NVIC_IRQChannel = EXTI3_IRQChannel;
  NVIC_Init(&NVIC_InitStructure);
  NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQChannel;
  NVIC_Init(&NVIC_InitStructure);
}
Example #17
0
/*******************************************************************************
* Function Name  : NVIC_Configuration
* Description    : Configures Vector Table base location.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void NVIC_Configuration(void)
{
	EXTI_InitTypeDef EXTI_InitStructure;
	NVIC_InitTypeDef NVIC_InitStructure;
	
	/* Configure one bit for preemption priority */
	#if defined (VECT_TAB_RAM)
		/* Set the Vector Table base location at 0x20000000 */ 
		NVIC_SetVectorTable(NVIC_VectTab_RAM, 0x0); 
	#elif defined(VECT_TAB_FLASH_IAP)
		NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x2000);
	#else  /* VECT_TAB_FLASH  */
		/* Set the Vector Table base location at 0x08000000 */ 
		NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);   
	#endif 	
	/* Configure the NVIC Preemption Priority Bits */  
	NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);	
	/* Enable the USART1 Interrupt */
	NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;			     	//设置串口1中断
	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
	NVIC_Init(&NVIC_InitStructure);
	/* Connect Key Button EXTI Line to Key Button GPIO Pin */
	GPIO_EXTILineConfig(GPIO_PortSourceGPIOD, GPIO_PinSource12);	
	/* Configure Key Button EXTI Line to generate an interrupt on falling edge */  
	EXTI_InitStructure.EXTI_Line = EXTI_Line12;
	EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
	EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
	EXTI_InitStructure.EXTI_LineCmd = ENABLE;
	EXTI_Init(&EXTI_InitStructure);	
	/* Enable the EXTI15_10 Interrupt */
	NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 3;
	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
	NVIC_InitStructure.NVIC_IRQChannelCmd = DISABLE;
	NVIC_Init(&NVIC_InitStructure);
	/* Connect Key Button EXTI Line to Key Button GPIO Pin */
	GPIO_EXTILineConfig(GPIO_PortSourceGPIOB, GPIO_PinSource0);	
	/* Configure Key Button EXTI Line to generate an interrupt on falling edge */  
	EXTI_InitStructure.EXTI_Line = EXTI_Line0;
	EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
	EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
	EXTI_InitStructure.EXTI_LineCmd = DISABLE;
	EXTI_Init(&EXTI_InitStructure);	
	/* Enable the EXTI15_10 Interrupt */
	NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;
	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 3;
	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
	NVIC_InitStructure.NVIC_IRQChannelCmd = DISABLE;
	NVIC_Init(&NVIC_InitStructure);
}
Example #18
0
void initStepDirInput()
{
	GPIO_InitTypeDef GPIO_InitStructure;

	//PA6 as STEP input
	GPIO_StructInit(&GPIO_InitStructure);
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;
	GPIO_Init(GPIOA, &GPIO_InitStructure);

	//PA7 as DIR pin
	GPIO_StructInit(&GPIO_InitStructure);
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;
	GPIO_Init(GPIOA, &GPIO_InitStructure);

	//PA5 as ENA pin
	GPIO_StructInit(&GPIO_InitStructure);
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;
	GPIO_Init(GPIOA, &GPIO_InitStructure);

	GPIO_EXTILineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource6); //STEP pin
	GPIO_EXTILineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource5); //ENA pin

	EXTI_InitTypeDef EXTI_initStructure;
	EXTI_initStructure.EXTI_Line = EXTI_Line6;
	EXTI_initStructure.EXTI_Mode = EXTI_Mode_Interrupt;

#if STEP_POLARITY == 1
	EXTI_initStructure.EXTI_Trigger = EXTI_Trigger_Rising;
#else
	EXTI_initStructure.EXTI_Trigger = EXTI_Trigger_Falling;
#endif

	EXTI_initStructure.EXTI_LineCmd = ENABLE;
	EXTI_Init(&EXTI_initStructure);

	EXTI_initStructure.EXTI_Line = EXTI_Line5;
	EXTI_initStructure.EXTI_Mode = EXTI_Mode_Interrupt;
	EXTI_initStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
	EXTI_initStructure.EXTI_LineCmd = ENABLE;
	EXTI_Init(&EXTI_initStructure);

	NVIC_InitTypeDef nvicStructure;
	nvicStructure.NVIC_IRQChannel = EXTI9_5_IRQn;
	nvicStructure.NVIC_IRQChannelPreemptionPriority = 0;
	nvicStructure.NVIC_IRQChannelSubPriority = 2;
	nvicStructure.NVIC_IRQChannelCmd = ENABLE;
	NVIC_Init(&nvicStructure);
}
Example #19
0
void EXTILine_Config(void)//外部中断配置
{
	EXTI_InitTypeDef EXTI_InitStructure;
	GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, AxisEXTIPinSource[0]);
	GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, AxisEXTIPinSource[0]);
	GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, AxisEXTIPinSource[0]);
	GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, AxisEXTIPinSource[0]);

	EXTI_InitStructure.EXTI_Line = AxisEXTILine[0] | AxisEXTILine[1] | AxisEXTILine[2] | AxisEXTILine[3];
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;  
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  EXTI_Init(&EXTI_InitStructure);	
}
Example #20
0
/**
  * @fun    void bsp_KeyInit
  * @brief  按键初始化函数
  * @author huangzibo
  * @param  None
  *
  * @retval 
  */
void bsp_KeyInit(void)
{
  EXTI_InitTypeDef   EXTI_InitStructure;
  GPIO_InitTypeDef   GPIO_InitStructure;
  NVIC_InitTypeDef   NVIC_InitStructure;
  
  //步骤一:开启GPIOC时钟和辅助功能IO时钟
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO, ENABLE);
  
  //步骤二:配置PC0为浮空输入
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(GPIOC, &GPIO_InitStructure);
  
  //步骤三:连接EXTI0外部中断线到端口PC0
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource0);
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource1);
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource2);
  
  //步骤四:配置EXTI0外部中断线
  EXTI_InitStructure.EXTI_Line = EXTI_Line0 | GPIO_Pin_1 | GPIO_Pin_2 ;						
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;		
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;	
  EXTI_Init(&EXTI_InitStructure);
  
  //步骤五:配置中断优先级组(同一个工程中,优先级组必须相同,这里设置为组2)
  NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//优先级组2:2位抢占优先级,2为子优先级
  
  //步骤六:配置中断通道优先级
  NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;//中断通道
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);
  
  //步骤六:配置中断通道优先级
  NVIC_InitStructure.NVIC_IRQChannel = EXTI1_IRQn;//中断通道
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);
  
  //步骤六:配置中断通道优先级
  NVIC_InitStructure.NVIC_IRQChannel = EXTI2_IRQn;//中断通道
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);
}
Example #21
0
void Button_GPIO_Config(void)
{
  /* GPIOA Periph clock enable */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD, ENABLE);

  GPIO_InitTypeDef GPIO_InitStructure;

  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_8;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(GPIOA, &GPIO_InitStructure);

  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
  GPIO_Init(GPIOC, &GPIO_InitStructure);

  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
  GPIO_Init(GPIOD, &GPIO_InitStructure);

  EXTI_InitTypeDef   EXTI_InitStructure;

  /* Connect EXTI0 Line to PA.00 pin */
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource0);
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource8);
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource13);
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOD, GPIO_PinSource3);

  /* Configure EXTI0 line */
  EXTI_InitStructure.EXTI_Line = EXTI_Line0 | EXTI_Line3 | EXTI_Line8 | EXTI_Line13;
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  EXTI_Init(&EXTI_InitStructure);

  NVIC_InitTypeDef   NVIC_InitStructure;

  /* Enable and set EXTI0 Interrupt to the lowest priority */
  NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);

  NVIC_InitStructure.NVIC_IRQChannel = EXTI3_IRQn;
  NVIC_Init(&NVIC_InitStructure);

  NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn;
  NVIC_Init(&NVIC_InitStructure);

  NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
  NVIC_Init(&NVIC_InitStructure);
}
Example #22
0
void enable_button_interrupts(void)
{
    EXTI_InitTypeDef EXTI_InitStructure;
    NVIC_InitTypeDef NVIC_InitStructure;

    /* Enable the AFIO clock.  GPIO_EXTILineConfig sets registers in
     * the AFIO.
     */
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);

    /* Connect EXTI Line 0 to the button GPIO Pin */
    GPIO_EXTILineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource0);

    /* Configure the EXTI line to generate an interrupt when the button is
     * pressed.  The button pin is high when pressed, so it needs to trigger
     * when rising from low to high. */
    EXTI_InitStructure.EXTI_Line = EXTI_Line0;
    EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
    EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
    EXTI_InitStructure.EXTI_LineCmd = ENABLE;
    EXTI_Init(&EXTI_InitStructure);

    /* Enable and set Button EXTI Interrupt to the lowest priority */
    NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);
}
Example #23
0
void SENSOR_Init(Sensor_TypeDef SensorIndex, Sensor_Mode_TypeDef Sensor_Mode)
{
	GPIO_InitTypeDef GPIO_InitStructure;
	EXTI_InitTypeDef EXTI_InitStructure;
  	NVIC_InitTypeDef NVIC_InitStructure;

	RCC_APB2PeriphClockCmd(SENSOR_GPIO_CLK[SensorIndex],ENABLE);
	GPIO_InitStructure.GPIO_Pin=SENSOR_GPIO_PIN[SensorIndex];
	GPIO_InitStructure.GPIO_Mode=GPIO_Mode_IPU;
	GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;
	GPIO_Init(SENSOR_GPIO_PORT[SensorIndex],&GPIO_InitStructure);
	
	if (Sensor_Mode==Mode_EXTI)
	{
		//
		RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO,ENABLE);
		GPIO_EXTILineConfig(SENSOR_GPIO_PORT_SOURCE[SensorIndex], SENSOR_GPIO_PIN_SOURCE[SensorIndex]);
		EXTI_StructInit(&EXTI_InitStructure);
		EXTI_InitStructure.EXTI_Line=SENSOR_GPIO_EXTI_LINE[SensorIndex];
		EXTI_InitStructure.EXTI_Mode=EXTI_Mode_Interrupt;
		EXTI_InitStructure.EXTI_Trigger=EXTI_Trigger_Rising;//EXTI_Trigger_Falling;
		EXTI_InitStructure.EXTI_LineCmd=ENABLE;
		EXTI_Init(&EXTI_InitStructure);

		NVIC_InitStructure.NVIC_IRQChannel=SENSOR_GPIO_IRQn[SensorIndex];
		NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0x0F;
		NVIC_InitStructure.NVIC_IRQChannelSubPriority=0x0F;
		NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE;
		NVIC_Init(&NVIC_InitStructure);
	}		
}
Example #24
0
/*
**************************************************
外部中断初始化
参数1:GPIO中断源组别  	GPIO_PortSourceGPIOA-G       
参数2:中断线路    		GPIO_PinSource0-15 
参数3:外部中断模式
			EXTI_Mode_Event 		事件请求
			EXTI_Mode_Interrupte	中断请求
参数4:触发方式
			EXTI_Trigger_Falling			下降沿触发
			EXTI_Trigger_Rising				上升沿触发
			EXTI_Trigger_Rising_Falling		上升沿或下降沿触发
**************************************************
*/
void abba_EXIT_Init(uint8_t GPIO_PortSource,uint8_t GPIO_PinSource,EXTIMode_TypeDef EXTI_Mode,EXTITrigger_TypeDef EXTI_Trigger)
{
	uint32_t EXTI_Line;
	uint8_t i,GPIO_Pin_temp = GPIO_PinSource0;
	EXTI_InitTypeDef EXTI_temp;

	GPIO_EXTILineConfig(GPIO_PortSource, GPIO_PinSource);
	EXTI_Line = EXTI_Line0;
	for(i=0;i<16;i++)
	{
		if(GPIO_PinSource == GPIO_Pin_temp)
		{
			break;
		}
		GPIO_Pin_temp++;
		EXTI_Line += EXTI_Line;
	}
	
	EXTI_temp.EXTI_Line = EXTI_Line;
	EXTI_temp.EXTI_Mode = EXTI_Mode;
	EXTI_temp.EXTI_Trigger = EXTI_Trigger;
	EXTI_temp.EXTI_LineCmd = ENABLE;
	EXTI_Init(&EXTI_temp);
	
											
	
}
Example #25
0
void iNEMO_Button_Init(Button_TypeDef Button, ButtonMode_TypeDef Button_Mode)
{

  EXTI_InitTypeDef EXTI_InitStructure;
  GPIO_InitTypeDef GPIO_InitStructure;

  /* Enable Push Button GPIO clocks */
  RCC_APB2PeriphClockCmd(BUTTON_CLK[Button], ENABLE);
  
  /* Configure Push Button pin as input floating */
  GPIO_InitStructure.GPIO_Pin = BUTTON_PIN[Button];
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(BUTTON_PORT[Button], &GPIO_InitStructure);

  if (Button_Mode == BUTTON_MODE_EXTI)   
  {
    /* Connect Button EXTI Line to Button GPIO Pin */
    GPIO_EXTILineConfig(BUTTON_PORT_SOURCE[Button], BUTTON_PIN_SOURCE[Button]);
    
    /* Configure Button EXTI line */ 
    EXTI_InitStructure.EXTI_Line = BUTTON_EXTI_LINE[Button];
    EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
    EXTI_InitStructure.EXTI_Trigger = BUTTON_EDGE[Button];
    EXTI_InitStructure.EXTI_LineCmd = ENABLE;
    EXTI_Init(&EXTI_InitStructure);
  }
  
}
Example #26
0
static void I2C_INT_Config(void)
{
	// Periph CLK init
	RCC_APB2PeriphClockCmd(I2C_INT_CLK, ENABLE);

	// Pin configuration for nINT_Joy
	GPIO_InitTypeDef GPIO_InitStructure;
	GPIO_InitStructure.GPIO_Pin = I2C_INT;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
	GPIO_Init(I2C_INT_PORT, &GPIO_InitStructure);
	GPIO_EXTILineConfig(GPIO_PortSourceGPIOF, GPIO_PinSource10);

	// EXTI configuration
	EXTI_InitTypeDef EXTI_InitStructure;
	EXTI_InitStructure.EXTI_Line = EXTI_Line10;
	EXTI_InitStructure.EXTI_LineCmd = ENABLE;
	EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
	EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
	EXTI_Init(&EXTI_InitStructure);

	// NVIC configuration
	NVIC_InitTypeDef NVIC_InitStructure;
	NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
	NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
	NVIC_Init(&NVIC_InitStructure);
}
Example #27
0
void LSM303DLH_Magn_DRDY_Config(void)
{
  NVIC_InitTypeDef NVIC_InitStructure;
  EXTI_InitTypeDef EXTI_InitStructure;
  GPIO_InitTypeDef GPIO_InitStructure;

  /* Enable _MAG_DRDY pad GPIO clocks */
  RCC_APB2PeriphClockCmd(LSM_M_DRDY_RCC_Port, ENABLE);

  /* Configure MAG_DRDY pin as input floating */
  GPIO_InitStructure.GPIO_Pin = LSM_M_DRDY_Pin;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(LSM_M_DRDY_Port, &GPIO_InitStructure);

  /* Connect MAG_DRDY_EXTI_Line to MAG_DRDY Pin */
  GPIO_EXTILineConfig(LSM_M_DRDY_Port_Source, LSM_M_DRDY_Pin_Source);

  /* Configure MAG_DRDY_EXTI_Line to generate an interrupt on MAG_DRDY_Edge edge */
  EXTI_InitStructure.EXTI_Line = LSM_M_DRDY_EXTI_Line;
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
  EXTI_InitStructure.EXTI_Trigger = LSM_M_DRDY_Edge;
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  EXTI_Init(&EXTI_InitStructure);

  /* Enable the MAG_DRDY_EXTI_IRQCHANNEL Interrupt */
  NVIC_InitStructure.NVIC_IRQChannel = LSM_M_DRDY_EXTI_IRQCHANNEL;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = LSM_M_DRDY_Preemption_Priority;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = LSM_M_DRDY_Sub_Priority;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);
}
Example #28
0
bool hcsr04_init(sonar_config_t config)
{
    bool returnvalue = false;
    GPIO_InitTypeDef GPIO_InitStructure;
    EXTI_InitTypeDef EXTIInit;
	  uint8_t bufdaddy[2];                                        // Dummy for i2c testread
    // enable AFIO for EXTI support - already done is drv_system.c
    // RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO | RCC_APB2Periph, ENABLE); 
    // cfg.snr_type = X;  0 = PWM56, 1 = RC78, 2 = I2C (DaddyWalross), 3 = MBPWM56, 4 = MBRC78
    switch(config)
    {
    case sonar_pwm56:
        trigger_pin = GPIO_Pin_8;                               // PWM5 (PB8) - 5v tolerant
        echo_pin = GPIO_Pin_9;                                  // PWM6 (PB9) - 5v tolerant
        exti_line = EXTI_Line9;
        exti_pin_source = GPIO_PinSource9;
        exti_irqn = EXTI9_5_IRQn;
        returnvalue = true;
        break;
    case sonar_rc78:
        trigger_pin = GPIO_Pin_0;                               // RX7 (PB0) - only 3.3v ( add a 1K Ohms resistor )
        echo_pin = GPIO_Pin_1;                                  // RX8 (PB1) - only 3.3v ( add a 1K Ohms resistor )
        exti_line = EXTI_Line1;
        exti_pin_source = GPIO_PinSource1;
        exti_irqn = EXTI1_IRQn;
        returnvalue = true;
        break;
    case sonar_i2cDW:                                           // Deal with I2C daddy walross sonar
        delay(1000);                                            // sleep for 1000ms to startup sonar
        returnvalue = i2cRead(SONARDW_ADDRESS, SONARDW_DISTANCE_OUT, 2, bufdaddy);
        break;
    }
    if (config == sonar_pwm56 || config == sonar_rc78)
    {
        if (cfg.snr_type == 0 || cfg.snr_type == 1)             // Check for HC-SR04    
            PulseLimitInUs = 24000;                             // HC-SR04 Limit 413 cm
        if (cfg.snr_type == 3 || cfg.snr_type == 4)             // Check for Maxbotics (no "else" stuff here to make it expandable)
            PulseLimitInUs = 62000;                             // Datasheet Limit 62ms
        // tp - trigger pin 
        GPIO_InitStructure.GPIO_Pin = trigger_pin;
        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
        GPIO_Init(GPIOB, &GPIO_InitStructure);
        // ep - echo pin
        GPIO_InitStructure.GPIO_Pin = echo_pin;
        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
        GPIO_Init(GPIOB, &GPIO_InitStructure);
        // setup external interrupt on echo pin
        GPIO_EXTILineConfig(GPIO_PortSourceGPIOB, exti_pin_source);
        EXTI_ClearITPendingBit(exti_line);
        EXTIInit.EXTI_Line = exti_line;
        EXTIInit.EXTI_Mode = EXTI_Mode_Interrupt;
        EXTIInit.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
        EXTIInit.EXTI_LineCmd = ENABLE;    
        EXTI_Init(&EXTIInit);    
        NVIC_EnableIRQ(exti_irqn);
        last_measurement = 0;                                   // Force 1st measurement in XXX_get_distance
    }
    return returnvalue;                                         // Return the status of initialization
}
Example #29
0
/**
  * @brief  Configures the IO expander Interrupt line and GPIO in EXTI mode.
  * @param  None
  * @retval None
  */
static void IOE_EXTI_Config(void)
{
  GPIO_InitTypeDef GPIO_InitStructure;
  NVIC_InitTypeDef NVIC_InitStructure;
  EXTI_InitTypeDef EXTI_InitStructure;

  /* Enable Button GPIO clock */
  RCC_APB2PeriphClockCmd(IOE_IT_GPIO_CLK | RCC_APB2Periph_AFIO, ENABLE);

  /* Configure Button pin as input floating */
  GPIO_InitStructure.GPIO_Pin = IOE_IT_PIN;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(IOE_IT_GPIO_PORT, &GPIO_InitStructure);

  /* Connect Button EXTI Line to Button GPIO Pin */
  GPIO_EXTILineConfig(IOE_IT_EXTI_PORT_SOURCE, IOE_IT_EXTI_PIN_SOURCE);

  /* Configure Button EXTI line */
  EXTI_InitStructure.EXTI_Line = IOE_IT_EXTI_LINE;
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  EXTI_Init(&EXTI_InitStructure);

  /* Enable and set Button EXTI Interrupt to the lowest priority */
  NVIC_InitStructure.NVIC_IRQChannel = IOE_IT_EXTI_IRQn;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);
}
Example #30
0
/**
  * @brief  Initializes the GPIO pins used by the IO expander.
  * @param  None
  * @retval None
  */
static void IOE_GPIO_Config(void)
{
  GPIO_InitTypeDef GPIO_InitStructure;

  /* Enable IOE_I2C and IOE_I2C_PORT & Alternate Function clocks */
  RCC_APB1PeriphClockCmd(IOE_I2C_CLK, ENABLE);
  RCC_APB2PeriphClockCmd(IOE_I2C_SCL_GPIO_CLK | IOE_I2C_SDA_GPIO_CLK | IOE_IT_GPIO_CLK
                         | RCC_APB2Periph_AFIO, ENABLE);

  /* Reset IOE_I2C IP */
  RCC_APB1PeriphResetCmd(IOE_I2C_CLK, ENABLE);

  /* Release reset signal of IOE_I2C IP */
  RCC_APB1PeriphResetCmd(IOE_I2C_CLK, DISABLE);

  /* IOE_I2C SCL and SDA pins configuration */
  GPIO_InitStructure.GPIO_Pin = IOE_I2C_SCL_PIN;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
  GPIO_Init(IOE_I2C_SCL_GPIO_PORT, &GPIO_InitStructure);

  /* IOE_I2C SCL and SDA pins configuration */
  GPIO_InitStructure.GPIO_Pin = IOE_I2C_SDA_PIN;
  GPIO_Init(IOE_I2C_SDA_GPIO_PORT, &GPIO_InitStructure);

  /* Set EXTI pin as Input PullUp - IO_Expander_INT */
  GPIO_InitStructure.GPIO_Pin = IOE_IT_PIN;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
  GPIO_Init(IOE_IT_GPIO_PORT, &GPIO_InitStructure);

  /* Connect IO Expander IT line to EXTI line */
  GPIO_EXTILineConfig(IOE_IT_EXTI_PORT_SOURCE, IOE_IT_EXTI_PIN_SOURCE);
}