53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
// 本程序演示目的：如何获取中断事件,只有改变DI0的状态时才会产生中断事件，可以通过板上XF1的1－2跨接选择
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// DI0为上边沿是中断，2－3跨接为下边沿中断
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#include "stdafx.h"
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#include "windows.h"
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#include "stdio.h"
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#include "conio.h"
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#include "PCI2312.h"
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int main(int argc, char* argv[])
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{
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HANDLE hDevice, hEventInt;
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int DeviceID;
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DeviceID = 0;
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int inIntCount = 0; // 内部中断计数
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int outIntCount = 0; // 外部中断计数
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hDevice = PCI2312_CreateDevice( DeviceID ); // 创建设备对象
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if(hDevice == INVALID_HANDLE_VALUE)
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{
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printf("CreateDevice Error...\n");
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_getch();
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goto Exit;
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}
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hEventInt = PCI2312_CreateSystemEvent(); // 创建中断事件句柄
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if(hEventInt == INVALID_HANDLE_VALUE)
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{
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printf("CreateSystemEvent Error...\n");
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_getch();
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goto Exit;
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}
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PCI2312_InitDeviceInt(hDevice, hEventInt); // 初始化中断
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printf("Wait....\n");
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while(!_kbhit())
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{
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while(1)
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{
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if(WaitForSingleObject(hEventInt, 100) == WAIT_OBJECT_0) // 等待中断发生
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break;
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if(_kbhit()) break;
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}
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outIntCount++; // 外部中断计数
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inIntCount = PCI2312_GetDeviceIntCount(hDevice); // 获得内部中断计数
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printf("outIntCount=%d, inIntCount=%d\n", outIntCount, inIntCount);
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}
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Exit:
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PCI2312_ReleaseDeviceInt(hDevice); // 释放中断资源
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PCI2312_ReleaseDevice(hDevice); // 释放设备对象
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return 0;
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} |