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82 lines
2.3 KiB
82 lines
2.3 KiB
// SacCommunicator.h: interface for the CSacCommunicator class.
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//
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//////////////////////////////////////////////////////////////////////
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#if !defined(AFX_SACCOMMUNICATOR_H__F1BA07A7_478E_4E36_9780_22B5924F722D__INCLUDED_)
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#define AFX_SACCOMMUNICATOR_H__F1BA07A7_478E_4E36_9780_22B5924F722D__INCLUDED_
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#if _MSC_VER > 1000
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#pragma once
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#endif // _MSC_VER > 1000
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#include <string>
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// sac-code definitions
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#ifdef _SACUNICODE
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typedef wchar_t SAC_CHAR, *SAC_STR;
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#define SAC_STRCMP wcscmp
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#define SAC_STRLEN wcslen
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#define SAC_TEXT(str) (L str)
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#else
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typedef char SAC_CHAR, *SAC_STR;
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#define SAC_STRCMP strcmp
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#define SAC_STRLEN strlen
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#define SAC_TEXT(str) (str)
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#endif
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typedef std::basic_string<SAC_CHAR> SacString;
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#define BUF_LEN 512 // generic buffer length
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class CSacCommunicator
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{
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public:
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static LPTSTR s_vctrCommPorts[]; // Supported Communication Port Names Vector
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static SacString s_strDummyReponse;
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static BOOL XReadFile(
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HANDLE hFile, // handle to file
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LPVOID lpBuffer, // data buffer
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DWORD nNumberOfBytesToRead, // number of bytes to read
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LPDWORD lpNumberOfBytesRead, // number of bytes read
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LPOVERLAPPED lpOverlapped, // overlapped buffer
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time_t tmTimeout // time-out
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);
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CSacCommunicator(int nCommPort, DCB dcb);
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virtual ~CSacCommunicator();
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BOOL Connect(); // connect to port
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BOOL Disconnect(); // disconnect
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BOOL IsConnected(); // check whether port open
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BOOL PokeSac(); // verfies that sac is on the line - DISABLED
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BOOL SacCommand(SAC_STR szRequest, SacString& strResponse= s_strDummyReponse, BOOL bPoke= TRUE, time_t tmTimeOut= 5000 /* ms */);
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// sends a sac command and receives the response, can pre-poke to check that sac is listening
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// pre-poking is based on PokeSac() which is currently disabled
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BOOL PagingOff(SacString& strResponse=s_strDummyReponse); // disables paging the display
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private:
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int m_nCommPort; // com port # [1 or 2]
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HANDLE m_hCommPort; // handle to the file representing com port
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DCB m_dcb; // connection params
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void _Construct(int nCommPort, DCB dcb);
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void _Clean();
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};
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#endif // !defined(AFX_SACCOMMUNICATOR_H__F1BA07A7_478E_4E36_9780_22B5924F722D__INCLUDED_)
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