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@@ -343,13 +343,13 @@ DWORD CSerialPort::Read(void *lpBuf, DWORD dwCount)
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// 使用ClearCommError来读取缓存区接受到的字节时,
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// 可能受系统线程调试或硬件延时, cbInQue为空,
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// 这里要用while延时获取;
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- DWORD dwTick = GetTickCount();
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+ DWORD dwTick = GetTickCount64();
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DWORD dwLastLen = 0;
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//while (ComStat.cbInQue == 0)
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while(1)
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{// cbInQue表示输入缓冲区的字节数;
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Sleep(150);
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- if (GetTickCount() - dwTick > 5000)
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+ if (GetTickCount64() - dwTick > 5000)
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break;
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ClearCommError(m_hComm, &dwErrorFlags, &ComStat);
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if ( ComStat.cbInQue != 0 && dwLastLen == ComStat.cbInQue )
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