iar-

IAR_example_EasyARM8962.zip

/****************************************Copyright (c)****************************************************
**                            Guangzhou ZHIYUAN electronics Co.,LTD.
**                                      
**                                 http://www.embedtools.com
**
**--------------File Info---------------------------------------------------------------------------------
** File name:               IntDome2.c
** Latest modified Date:    2007.12.21
** Latest Version:          V1.1
** Descriptions:            按键中断实验程序
**
**--------------------------------------------------------------------------------------------------------
** Created by:              Zhao shimin
** Created date:            2007.09.18
** Version:                 V1.0
** Descriptions:            The original version
**
**--------------------------------------------------------------------------------------------------------
** Modified by:             Kang qinhua          
** Modified date:           2008.01.12
** Version:                 V1.1 
** Descriptions:            
**
*********************************************************************************************************/

/*********************************************************************************************************
  调用库函数的头文件　　            
*********************************************************************************************************/
#include "hw_ints.h"
#include "hw_nvic.h"
#include "hw_types.h"
#include "interrupt.h"
#include "sysctl.h"

/*********************************************************************************************************
  全局变量定义
*********************************************************************************************************/
volatile unsigned long GulIndex;                                        /*  中断次数计数                */
volatile unsigned long GulGPIOA;                                        /*  GPIOA中断次数               */
volatile unsigned long GulGPIOB;                                        /*  GPIOB中断次数               */
volatile unsigned long GulGPIOC;                                        /*  GPIOC中断次数　　　         */

/*********************************************************************************************************
** Function name:           GPIO_Port_A_ISR
** Descriptions:            中断服务程序
** input parameters:        NONE
** output parameters:       NONE                         
** Returned value:          NONE
** Created by:              Zhao shimin
** Created Date:            2007.09.18
**--------------------------------------------------------------------------------------------------------
** Modified by:                       
** Modified date:           
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/
void GPIO_Port_A_ISR (void)
{
    GulGPIOA = GulIndex++;
}

/*********************************************************************************************************
** Function name:           GPIO_Port_B_ISR
** Descriptions:            中断服务程序
** input parameters:        NONE
** output parameters:       NONE                         
** Returned value:          NONE
** Created by:              Zhao shimin
** Created Date:            2007.09.18
**--------------------------------------------------------------------------------------------------------
** Modified by:                     
** Modified date:           
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/
void GPIO_Port_B_ISR (void)
{
    HWREG(NVIC_SW_TRIG) = INT_GPIOA - 16;
    GulGPIOB = GulIndex++;
}
/*********************************************************************************************************
** Function name:           GPIO_Port_C_ISR
** Descriptions:            中断服务程序
** input parameters:        NONE
** output parameters:       NONE                         
** Returned value:          NONE
** Created by:              Zhao shimin
** Created Date:            2007.09.18
**--------------------------------------------------------------------------------------------------------
** Modified by:                       
** Modified date:           
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/

void GPIO_Port_C_ISR (void)
{

    HWREG(NVIC_SW_TRIG) = INT_GPIOB - 16;

    GulGPIOC = GulIndex++;

}

/*********************************************************************************************************
** Function name:           main
** Descriptions:            中断初始化
** input parameters:        NONE
** output parameters:       NONE                         
** Returned value:          NONE
** Created by:              Zhao shimin
** Created Date:            2007.09.18
**--------------------------------------------------------------------------------------------------------
** Modified by:                       
** Modified date:           
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/
int main(void)
{
    IntMasterEnable();                                                  /*  使能总中断　　　　　　　　　*/

    IntEnable(INT_GPIOA);                                               /*  使能GPIOA中断               */
    IntEnable(INT_GPIOB);                                               /*  使能GPIOB中断               */  
    IntEnable(INT_GPIOC);                                               /*  使能GPIOC中断               */

    /*
     *  GPIOA，GPIOB，GPIOC的中断优先级都设为0　　
     */
    IntPrioritySet(INT_GPIOA, 0 << 5);
    IntPrioritySet(INT_GPIOB, 0 << 5);
    IntPrioritySet(INT_GPIOC, 0 << 5);

    GulGPIOA = 0;
    GulGPIOB = 0;
    GulGPIOC = 0;
    GulIndex = 1;


    HWREG(NVIC_SW_TRIG) = INT_GPIOC - 16;                               /*  软件触发中断GPIOC           */

    if ((GulGPIOA != 3) || (GulGPIOB != 2) || (GulGPIOC != 1)) {
        while (1);
    }
    
    /*  
     *  GPIOA，GPIOB，GPIOC的中断优先级依次由低到高　　
     */
    IntPrioritySet(INT_GPIOA, 2 << 5);
    IntPrioritySet(INT_GPIOB, 1 << 5);
    IntPrioritySet(INT_GPIOC, 0 << 5);

    GulGPIOA = 0;
    GulGPIOB = 0;
    GulGPIOC = 0;
    GulIndex = 1;

    HWREG(NVIC_SW_TRIG) = INT_GPIOC - 16;

    if ((GulGPIOA != 3) || (GulGPIOB != 2) || (GulGPIOC != 1)) {
         while(1);
    }

    /*  
     *  GPIOA，GPIOB，GPIOC的中断优先级依次由高到低　　
     */
    IntPrioritySet(INT_GPIOA, 0 << 5);
    IntPrioritySet(INT_GPIOB, 1 << 5);
    IntPrioritySet(INT_GPIOC, 2 << 5);

    GulGPIOA = 0;
    GulGPIOB = 0;
    GulGPIOC = 0;
    GulIndex = 1;

    HWREG(NVIC_SW_TRIG) = INT_GPIOC - 16;

    if ((GulGPIOA != 1) || (GulGPIOB != 2) || (GulGPIOC != 3)) {
         while(1) {
             ;
         }
    }

    IntDisable(INT_GPIOA);                                              /*  禁止GPIOA中断               */
    IntDisable(INT_GPIOB);                                              /*  禁止GPIOB中断               */
    IntDisable(INT_GPIOC);                                              /*  禁止GPIOC中断               */

    IntMasterDisable();                                                 /*  禁止总中断　　　　　　　　　*/
    while (1) {
        ;
    }
}
/*********************************************************************************************************
  END FILE
*********************************************************************************************************/