如何正确设置高电压电平触发抓取？

问题描述

我想在高电平电压上设置触发抓取。目前，所有输入电压都按预期到达采集器。触发设置如下：

 //set triggering source 
 MdigControl(digitizer,M_GRAB_TRIGGER_SOURCE,M_AUX_IO0); 
 //enable triggering 
 MdigControl(digitizer,M_GRAB_TRIGGER_STATE,M_ENABLE); 
 //use high voltage to trigger
 MdigControl(digitizer,M_GRAB_TRIGGER_ACTIVATION,M_LEVEL_HIGH);

还有两个这样连接的事件：

MdigHookFunction(digitizer,M_GRAB_FRAME_START,onStart,&hookData);
MdigHookFunction(digitizer,M_GRAB_FRAME_END,onEnd,&hookData);

如果事件被触发，onStart() 将简单地打印出“Start”，onEnd() 的行为类似。抓取逻辑如下：

MdigProcess(digitizer,&grabBufs[0][0],BUFFERING_SIZE_MAX * NUM_OF_GRAB_BUF,M_START,M_DEFAULT,ProcessingFunction,&UserHookData);

MosGetch();

/* Stop the processing. */
MdigProcess(digitizer,BUFFERING_SIZE_MAX,M_STOP,&UserHookData);

问题是在触发信号出现或消失后，onStart()/onEnd()/ProcessingFunction() 都没有给出任何输出消息。

你能告诉我让它正常工作吗？

我的完整代码：

#include <mil.h>    
#include <memory>
#include <iostream>
#include <string>

//onpaged memory
#define BOARD_NAME     M_SYstem_SOLIOS
/* Number of images in the buffering grab queue.
 Generally,increasing this number gives better real-time grab.
 */
#define NUM_OF_GRAB_BUF    1
#define BUFFERING_SIZE_MAX 1 //BUFFERING_SIZE_MAX * H

const std::string &IMAGE_DIR = "image_dir";
const std::string &MACHINE_SN = "machine_sn";

/* User's processing function prototype. */
MIL_INT MFTYPE onStart(MIL_INT HookType,MIL_ID HookId,void *HookDataPtr);
MIL_INT MFTYPE onEnd(MIL_INT HookType,void *HookDataPtr);
MIL_INT MFTYPE processFunc(MIL_INT hookType,MIL_ID hookId,void *hookDataPtr);

/* User's processing function hook data structure. */
typedef struct {
        MIL_INT processedCount;
        MIL_ID display;
} HookDataStruct;

/* Main function. */
/* ---------------*/
int main(int argc,char **argv) {
    MIL_ID app;
    MIL_ID system;
    MIL_ID display;
    MIL_ID digitizer = 0;
    MIL_ID dispBuf;
    MIL_ID grabBufs[NUM_OF_GRAB_BUF][BUFFERING_SIZE_MAX];
    MIL_ID bigBuf[NUM_OF_GRAB_BUF];
    //MIL_ID parentID;
    MIL_INT sizeX;
    MIL_INT sizeY;
    MIL_INT bandSize;
    MIL_INT grabChildBufs = 0;
    MIL_INT grabBufsIdx = 0;
    MIL_INT ProcessFrameCount = 0;
    MIL_DOUBLE ProcessFrameRate = 0;
    HookDataStruct hookData;

    /* Allocate defaults. */
    MappAllocDefault(M_DEFAULT,&app,&system,&display,&digitizer,M_NULL);

    MdigHookFunction(digitizer,&hookData);
    MdigHookFunction(digitizer,&hookData);

    //set triggering source
    MdigControl(digitizer,M_AUX_IO0);
    //enable triggering
    MdigControl(digitizer,M_ENABLE);
    //use high voltage to trigger
    MdigControl(digitizer,M_LEVEL_HIGH);

    sizeX = MdigInquire(digitizer,M_SIZE_X,M_NULL);
    sizeY = MdigInquire(digitizer,M_SIZE_Y,M_NULL);
    bandSize = MdigInquire(digitizer,M_SIZE_BAND,M_NULL);

    MdigControl(digitizer,M_GRAB_TRIGGER_SOFTWARE,1);

    MbufAllocColor(system,bandSize,sizeX,sizeY * (BUFFERING_SIZE_MAX),MdigInquire(digitizer,M_TYPE,M_NULL),M_IMAGE + M_GRAB + M_disP,&dispBuf);

    MbufClear(dispBuf,0xFF);

    MdispSelect(display,dispBuf);

    /* Allocate the grab buffers and clear them. */
    for (grabBufsIdx = 0; grabBufsIdx < NUM_OF_GRAB_BUF; grabBufsIdx++) {
        MbufAllocColor(system,M_IMAGE + M_GRAB,&bigBuf[grabBufsIdx]);
        MbufClear(bigBuf[grabBufsIdx],0xFF);

        for (grabChildBufs = 0; grabChildBufs < BUFFERING_SIZE_MAX; grabChildBufs++) {
            MbufChild2d(bigBuf[grabBufsIdx],sizeY * grabChildBufs,sizeY,&grabBufs[grabBufsIdx][grabChildBufs]);
        }
    }
    /* Initialize the User's processing function data structure. */
    hookData.processedCount = 0;
    hookData.display = dispBuf;

    /* Print a message. */
    MosPrintf(MIL_TEXT("\nMULTIPLE BUFFERED PROCESSING.\n"));
    MosPrintf(MIL_TEXT("-----------------------------\n\n"));
    MosPrintf(MIL_TEXT("Press <Enter> to start.\n\n"));
    MosGetch();

    /* Print a message and wait for a key after a minimum number of frames. */
    MosPrintf(MIL_TEXT("Press <Enter> to stop.\n\n"));

    MdigProcess(digitizer,processFunc,&hookData);

    /* NOTE: Now the main() is free to do other tasks while the processing is executing. */
    /* --------------------------------------------------------------------------------- */

    MosGetch();

    /* Stop the processing. */
    MdigProcess(digitizer,&hookData);

    /* Print statistics. */
    MdigInquire(digitizer,M_PROCESS_FRAME_COUNT,&ProcessFrameCount);
    MdigInquire(digitizer,M_PROCESS_FRAME_RATE,&ProcessFrameRate);
    MosPrintf(MIL_TEXT("\n\n%ld frames grabbed at %.1f frames/sec (%.1f ms/frame).\n"),ProcessFrameCount,ProcessFrameRate,1000.0 / ProcessFrameRate);
    MosPrintf(MIL_TEXT("Press <Enter> to end.\n\n"));
    MosGetch();

    /* Free the grab buffers. */
    for (grabBufsIdx = 0; grabBufsIdx < NUM_OF_GRAB_BUF; grabBufsIdx++) {
        for (grabChildBufs = 0; grabChildBufs < BUFFERING_SIZE_MAX; grabChildBufs++) {
            MbufFree(grabBufs[grabBufsIdx][grabChildBufs]);
        }
        MbufFree(bigBuf[grabBufsIdx]);
    }

    /* Release defaults. */
    MappFreeDefault(app,system,display,digitizer,dispBuf);

    return 0;
}


MIL_INT MFTYPE onEnd(MIL_INT HookType,void *HookDataPtr) {
    std::cout << "End" << std::endl;
    return 0;
}

MIL_INT MFTYPE onStart(MIL_INT HookType,void *HookDataPtr) {
    std::cout << "Start" << std::endl;
    return 0;
}

MIL_INT MFTYPE processFunc(MIL_INT hookType,void *hookDataPtr) {
    
    std::cout << "Processing" << std::endl;

    return 0;
}

解决方法

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