Machine Interface Utility:VER1.0

2013-05-09 20:29:54 +08:00
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+#ifndef CMMIO_SERIAL_H
+#define CMMIO_SERIAL_H
+
+#include <WinBase.h>
+#include <WinDef.h>
+#include "CMMIO_BASE.H "
+
+////////////////////////////////////////////////////////////////////////////////
+/*
+*$!!***************************************************************************
+*$!! MODULE NAME
+*$!!  Serial.h
+*$!!
+*$!! DESCRIPTION
+*$!!  Header file for CSerial.
+*$!!
+*$!! AUTHOR
+*$!!  M.J.S.Gooder.
+*$!!
+*$!! HISTORY
+*$!!  $Log: /Plugins/BPI/Serial.h $
+*$!! 
+*$!! 28    19/03/98 14:04 Mgooder
+*$!!***************************************************************************
+*/
+
+
+///////////////////////////////////////////////////////////////////////////////
+// Function for starting serial monitor thread
+unsigned int WINAPI CSerialTask(LPVOID CSerialPtr);
+
+///////////////////////////////////////////////////////////////////////////////
+// Useful serial codes
+const char CS_NUL =                      0;
+const char CS_SOH =                      1;
+const char CS_STX =                      2;
+const char CS_ETX =                      3;
+const char CS_EOT =                      4;
+const char CS_ENQ =                      5;
+const char CS_ACK =                      6;
+const char CS_BEL =                      7;
+const char CS_LF =                       10;
+const char CS_DLE =                      16;
+const char CS_X_ON =                     17;
+const char CS_X_OFF =                    19;
+const char CS_NAK =                      21;
+const char CS_ETB =                      23;
+const char CS_CAN =                      24;
+const char CS_ESC =                      27;
+
+
+///////////////////////////////////////////////////////////////////////////////
+// Handshake settings
+const int CS_HANDSHAKE_RTSCTS        =    1;
+const int CS_HANDSHAKE_XONXOFF       =    2;
+const int CS_HANDSHAKE_NONE          =    3;
+const int CS_HANDSHAKE_RTSCTS_DTRDSR =    4;
+const int CS_HANDSHAKE_FOR_SO7       =    5;
+
+
+
+///////////////////////////////////////////////////////////////////////////////
+// Debug constants
+const int CS_DEBUG_SIZE =                 1024;
+
+///////////////////////////////////////////////////////////////////////////////
+// Timeouts (ms)
+const int CS_DEFAULT_RX_TIMEOUT =         25;
+const int CS_DEFAULT_TX_TIMEOUT =         1000;
+
+///////////////////////////////////////////////////////////////////////////////
+// The CSerial class
+
+class CSerial : public CMMIO
+{
+  // Construction
+public:
+  CSerial();
+
+  // Implementation
+public:
+  virtual ~CSerial();
+
+  // Attributes
+public:
+
+  // Operations
+public:
+  // Open the serial port ( if possible ) using the parameters set by SetPort()
+  DWORD Open();
+  // Setup the serial port prior to opening it
+  int SetPort( int Port, int Baud = 0, char Parity = 0, int Bits = 0,
+    int StopBits = 0, int HandShake = 0 );
+  // Set up the port timeouts
+  void SetTimeouts( int RXTimeout = CS_DEFAULT_RX_TIMEOUT,
+    int TXTimeout = CS_DEFAULT_TX_TIMEOUT );
+  // Get the serial port settings
+  void GetPortData( int *Port, int *Baud, char *Parity, int *Bits,
+    int *StopBits, int *HandShake );
+  // Test if the serial port is open
+  bool IsValid() {
+    return IsOpen()!=0;
+  }
+  int IsOpen( void );
+  // Close the serial port
+  DWORD Close( void );
+  // Flush all data in any serial port buffers
+  int FlushPort( void );
+  // Attempt to read the specified number of bytes
+  DWORD ReadPort( char *Buffer, DWORD Bytes );
+  DWORD ReadPort( CString &Buffer, DWORD Bytes );
+  // Attempt to write the specified number of bytes
+  DWORD WritePort( const char *Buffer, DWORD Bytes );
+  // Send the specifed number of bytes out when possible
+  int Transmit( const char *Buffer, DWORD Bytes );
+  // Add a block of data to the internal list of receieved blocks
+  int AddReceived( const char *Buffer, DWORD Bytes );
+  // Get the next block of data added with AddReceived()
+  //  char *GetNextReceived( void );
+  // Find the maximum port number available
+  int MaxPort( void );
+  // Add text to the debug output
+  void AddToDebug( const char *Ptr, DWORD BytesToCopy, int State );
+  // Attach this serial port to a debug window
+  //CSerialRaw *AttachWnd( CWnd *Wnd );
+  // Convert ascii hex into an int
+  int HexToInt( char *Data, int Bytes );
+
+  virtual DWORD Send(LPCSTR buffer, int l, BOOL needsResponse=FALSE);
+  //virtual DWORD Send(CString what);
+
+  // Called when data is received on the serial port
+  virtual void OnReceive( void );
+  // Called when data has been sent using the Transmit() function
+  virtual void OnTransmit( int Item, DWORD Error );
+
+private:
+  // Private so no comment :-)
+  void RegisterDebugWindow(void);
+  void SendBuffer(int Next);
+  void ReceiveTask(void);
+  int ProgramPort(int Port,int Baud,char Parity,int Bits,int StopBits,int HandShake);
+
+  // Attributes
+protected:
+  int m_RXTimeout;
+  int m_TXTimeout;
+
+  // Attributes
+private:
+  char m_Parity;
+  //  char m_DebugData[CS_DEBUG_SIZE];
+  //  char m_DebugState[CS_DEBUG_SIZE];
+  //  char *m_RXTempPtr;
+  int m_Port;
+  int m_Baud;
+  int m_Bits;
+  int m_StopBits;
+  int m_HandShake;
+  int m_MaxTXRetries;
+  int m_DebugInPtr;
+  int m_DebugCount;
+  int m_Item;
+  //  struct SerialList *m_TXHead;
+  //  struct SerialList *m_TXTail;
+  //  struct SerialList *m_RXHead;
+  //  struct SerialList *m_RXTail;
+  OVERLAPPED m_ReceiveOLap;
+  OVERLAPPED m_TransmitOLap;
+  OVERLAPPED m_ReadOLap;
+  OVERLAPPED m_WriteOLap;
+  HANDLE m_PortHandle;
+  HANDLE m_ThreadHandle;
+  HANDLE m_ReceiveTaskEvent;
+
+private:
+  friend unsigned int WINAPI CSerialTask(LPVOID CSerialPtr);
+
+  //Buffer for incomming commands:
+  int  CurrentPointer;
+public:
+  HANDLE m_hWaitCMMResponse;
+  HANDLE m_hNewRx;
+
+  // BV Nov 2001: Made public
+  //	CRITICAL_SECTION m_QueueLock;
+  BOOL m_iRecvState;
+  CString m_csRecv;
+  INT m_iRecvByte;
+};
+
+#endif // CMMIO_SERIAL_H