1.增加CStep类,用于处理相似的CC-Link读取数据，回复等逻辑；

LAPTOP-SNT8I5JK\Boounion

2025-02-19 ab612c6fa43c9ae172572d187bf40da0386434d2

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#include "stdafx.h"
#include "CStep.h"
 
 
namespace SERVO {
#define TIMEOUT            15
 
    unsigned __stdcall StepWorkThreadFunction(LPVOID lpParam)
    {
        CStep* pScale = (CStep*)lpParam;
        return pScale->WorkingProc();
    }
 
    CStep::CStep()
    {
        m_nWordThreadAddr = 0;
        m_hWorkStop = nullptr;
        m_hWorkThreadHandle = nullptr;
        m_hSignalOn = ::CreateEvent(NULL, TRUE, FALSE, NULL);
        m_hSignalOff = ::CreateEvent(NULL, TRUE, FALSE, NULL);
        m_nCurStep = 0;
        InitializeCriticalSection(&m_criticalSection);
    }
 
    CStep::~CStep()
    {
        ASSERT(m_hSignalOn);
        CloseHandle(m_hSignalOn);
        m_hSignalOn = nullptr;
 
        ASSERT(m_hSignalOff);
        CloseHandle(m_hSignalOff);
        m_hSignalOff = nullptr;
 
        DeleteCriticalSection(&m_criticalSection);
    }
 
    void CStep::init()
    {
        if (m_hWorkStop != nullptr) return;
        m_hWorkStop = ::CreateEvent(NULL, TRUE, FALSE, NULL);
        m_hWorkThreadHandle = (HANDLE)_beginthreadex(NULL, 0, SERVO::StepWorkThreadFunction, this,
            0, &m_nWordThreadAddr);
    }
 
    void CStep::term()
    {
        ASSERT(m_hWorkStop);
        SetEvent(m_hWorkStop);
        if (m_hWorkThreadHandle != NULL) {
            WaitForSingleObject(m_hWorkThreadHandle, INFINITE);
            CloseHandle(m_hWorkThreadHandle);
            m_hWorkThreadHandle = NULL;
        }
        CloseHandle(m_hWorkStop);
        m_hWorkStop = NULL;
    }
 
    unsigned CStep::WorkingProc()
    {
        HANDLE hEvent = ::CreateEvent(NULL, TRUE, FALSE, NULL);
        BOOL bReadOk = FALSE;
 
        int nBeginAddr = 0x0;
        while (1) {
RESET:
            resetStep();
 
            // ´ýÍ˳öÐźŻòʱ¼äµ½
            HANDLE hEvents[] = { m_hWorkStop, m_hSignalOn };
            int nRet = WaitForMultipleObjects(2, hEvents, FALSE, INFINITE);
            if (nRet == WAIT_OBJECT_0) {
                ResetEvent(m_hWorkStop);
                break;
            }
 
            else if (nRet == WAIT_OBJECT_0 + 1) {
                ResetEvent(m_hSignalOn);
 
                // 1.¶ÁÈ¡Êý¾Ý
                nextStep();
                TRACE("m_nCurStep:%d\n", m_nCurStep);
 
 
                // 2.¸ø¶Ô·½Ð´ON
                nextStep();
                TRACE("m_nCurStep:%d\n", m_nCurStep);
 
 
                // 3.µÈ´ý¶Ô·½OFF
                nextStep();
                TRACE("m_nCurStep:%d\n", m_nCurStep);
                int nStep3Ret = ::WaitForSingleObject(m_hSignalOff, TIMEOUT * 1000);
                if (nStep3Ret == WAIT_TIMEOUT) {
                    timeout();
                    goto RESET;
                }
                ResetEvent(m_hSignalOff);
 
 
                // 4.¸ø¶Ô·½Ð´OFF
                nextStep();
                TRACE("m_nCurStep:%d\n", m_nCurStep);
 
 
                // 5.¶Ô½ÓCIMµÈ
                nextStep();
                TRACE("m_nCurStep:%d\n", m_nCurStep);
 
 
                // 6.Íê³É
                nextStep();
                TRACE("m_nCurStep:%d\n", m_nCurStep);
            }
        }
 
        if (hEvent != nullptr) {
            CloseHandle(hEvent);
        }
 
        // _endthreadex(0);
        TRACE("CStep::WorkingProc Ïß³ÌÍ˳ö\n");
        return 0;
    }
 
    void CStep::onSignal(BOOL bSignal)
    {
        TRACE(">>>>>>>>>>>>>>>>>>>> setSignal:%s\n", bSignal ? "ON" : "OFF");
        Lock();
        if (m_nCurStep == 0 && bSignal) {
            SetEvent(m_hSignalOn);
        }
        else if (m_nCurStep == 3 && !bSignal) {
            SetEvent(m_hSignalOff);
        }
 
        Unlock();
    }
 
    void CStep::resetStep()
    {
        Lock();
        m_nCurStep = 0;
        Unlock();
    }
 
    void CStep::nextStep()
    {
        Lock();
        m_nCurStep++;
        Unlock();
    }
 
    void CStep::timeout()
    {
        TRACE(">>>>>>>>>>>>>>>> timeout:%d\n", m_nCurStep);
    }
}