130 lines
3.1 KiB
C++
130 lines
3.1 KiB
C++
#pragma once
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#include <pthread.h>
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extern class CSuperSerialCard sg_SSC;
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enum {COMMEVT_WAIT=0, COMMEVT_ACK, COMMEVT_TERM, COMMEVT_MAX};
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enum eFWMODE {FWMODE_CIC=0, FWMODE_SIC_P8, FWMODE_PPC, FWMODE_SIC_P8A}; // NB. CIC = SSC
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//////// windows specific values
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#define NOPARITY 0
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#define ODDPARITY 1
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#define EVENPARITY 2
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#define MARKPARITY 3
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#define SPACEPARITY 4
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#define ONESTOPBIT 0
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#define ONE5STOPBITS 1
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#define TWOSTOPBITS 2
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///////////////////////////////
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// Undocumented CMSPAR flag for MARKPARITY and SPACEPARITY???
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#ifndef CMSPAR
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#define CMSPAR 010000000000
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#endif
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/////////////////////////////////////
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typedef struct
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{
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//DIPSW1
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UINT uBaudRate;
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eFWMODE eFirmwareMode;
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//DIPSW2
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UINT uStopBits;
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UINT uByteSize;
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UINT uParity;
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bool bLinefeed;
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bool bInterrupts;
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} SSC_DIPSW;
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class CSuperSerialCard
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{
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public:
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CSuperSerialCard();
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virtual ~CSuperSerialCard() {}
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void CommInitialize(LPBYTE pCxRomPeripheral, UINT uSlot);
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void CommReset();
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void CommDestroy();
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void CommSetSerialPort(/*HWND,*/DWORD);
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void CommUpdate(DWORD);
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DWORD CommGetSnapshot(SS_IO_Comms* pSS);
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DWORD CommSetSnapshot(SS_IO_Comms* pSS);
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DWORD GetSerialPort() { return m_dwSerialPort; }
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void SetSerialPort(DWORD dwSerialPort) { m_dwSerialPort = dwSerialPort; }
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static BYTE SSC_IORead(WORD PC, WORD uAddr, BYTE bWrite, BYTE uValue, ULONG nCyclesLeft);
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static BYTE SSC_IOWrite(WORD PC, WORD uAddr, BYTE bWrite, BYTE uValue, ULONG nCyclesLeft);
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private:
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BYTE CommCommand(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nCyclesLeft);
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BYTE CommControl(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nCyclesLeft);
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BYTE CommDipSw(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nCyclesLeft);
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BYTE CommReceive(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nCyclesLeft);
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BYTE CommStatus(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nCyclesLeft);
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BYTE CommTransmit(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nCyclesLeft);
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void GetDIPSW();
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void SetDIPSWDefaults();
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BYTE GenerateControl();
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UINT BaudRateToIndex(UINT uBaudRate);
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void UpdateCommState();
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BOOL CheckComm();
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void CloseComm();
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void CheckCommEvent(DWORD dwEvtMask);
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static DWORD CommThread(LPVOID lpParameter);
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bool CommThInit();
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void CommThUninit();
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//
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private:
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DWORD m_dwSerialPort;
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static SSC_DIPSW m_DIPSWDefault;
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SSC_DIPSW m_DIPSWCurrent;
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// Derived from DIPSW1
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UINT m_uBaudRate;
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// Derived from DIPSW2
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UINT m_uStopBits;
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UINT m_uByteSize;
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UINT m_uParity;
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// SSC Registers
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BYTE m_uControlByte;
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BYTE m_uCommandByte;
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//
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int m_hCommHandle; // file for communication with COM
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DWORD m_dwCommInactivity;
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// how does CRITICAL_SECTION work in Linux? -- see in Wikipedia: http://en.wikipedia.org/wiki/Critical_section
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// --> to main file
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// CRITICAL_SECTION m_CriticalSection; // To guard /g_vRecvBytes/
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BYTE m_RecvBuffer[uRecvBufferSize]; // NB: More work required if >1 is used
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volatile DWORD m_vRecvBytes;
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//
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bool m_bTxIrqEnabled;
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bool m_bRxIrqEnabled;
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bool m_bWrittenTx;
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//
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volatile bool m_vbCommIRQ;
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HANDLE m_hCommThread;
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HANDLE m_hCommEvent[COMMEVT_MAX];
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OVERLAPPED m_o;
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BYTE* m_pExpansionRom;
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};
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