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/****************************************************************************
MODULE: MIDI_OBJ.CPP Tab stops 5 9 Copyright 1995, 1996, Microsoft Corporation, All Rights Reserved.
PURPOSE: Methods for SWFF MIDI device object
FUNCTIONS: Classes methods
Author(s): Name: ---------- ---------------- MEA Manolito E. Adan
Revision History: ----------------- Version Date Author Comments ------- ------ ----- ----------------------------------------- 0.1 10-Sep-96 MEA original 1.1 20-May-97 MEA Added Mutex and Thread safe code 17-Jun-97 MEA Fixed bug Midi Handle lost if 1st process terminated. 16-Mar-99 waltw Add dwDeviceID param: CJoltMidi::Initialize and pass down food chain 16-Mar-99 waltw GetRing0DriverName in InitDigitalOverDrive now passes down joystick ID 20-Mar-99 waltw Added dwDeviceID param to DetectMidiDevice 20-Mar-99 waltw Comment out invalid call to CloseHandle in dtor
****************************************************************************/ #include <assert.h>
#include <windows.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <mmsystem.h>
#include "SW_Error.hpp"
#include "midi_obj.hpp"
#include "vxdioctl.hpp"
#include "joyregst.hpp"
#include "FFDevice.h"
#include "CritSec.h"
#define NT50 1
#include "DTrans.h"
DataTransmitter* g_pDataTransmitter = NULL;
/****************************************************************************
Declaration of externs
****************************************************************************/ extern void CALLBACK midiOutputHandler(HMIDIOUT, UINT, DWORD, DWORD, DWORD); extern TCHAR szDeviceName[MAX_SIZE_SNAME]; extern CJoltMidi *g_pJoltMidi;
/****************************************************************************
Declaration of variables
****************************************************************************/
/****************************************************************************
Macros etc
****************************************************************************/
#ifdef _DEBUG
extern char g_cMsg[160]; void DebugOut(LPCTSTR szDebug) { g_CriticalSection.Enter(); OutputDebugString(szDebug); g_CriticalSection.Leave();
#ifdef _LOG_DEBUG
#pragma message("Compiling with Debug Log to sw_effct.txt")
FILE *pf = fopen("sw_effct.txt", "a"); if (pf != NULL) { fputs(szDebug, pf); fclose(pf); } #endif // _LOG_DEBUG
} #else !_DEBUG
#define DebugOut(x)
#endif // _DEBUG
// ****************************************************************************
// *** --- Member functions for base CJoltMidi
//
// ****************************************************************************
//
// ----------------------------------------------------------------------------
// Function: CJoltMidi::CJoltMidi
// Purpose: Constructor(s)/Destructor for CJoltMidi Object
// Parameters:
// Returns:
// Algorithm:
// ----------------------------------------------------------------------------
CJoltMidi::CJoltMidi(void) { //
// --- THIS IS A CRITICAL SECTION
//
CriticalLock cl;
static char cWaterMark[MAX_SIZE_SNAME] = {"SWFF_SHAREDMEMORY MEA"}; BOOL bAlreadyMapped = FALSE; #ifdef _DEBUG
DebugOut("sw_effct(DX):CJoltMidi::CJoltMidi\n"); #endif
memset(this, 0, sizeof(CJoltMidi)); m_hVxD = INVALID_HANDLE_VALUE;
// Create an in-memory memory-mapped file
m_hSharedMemoryFile = CreateFileMapping((HANDLE) 0xFFFFFFFF, NULL, PAGE_READWRITE, 0, SIZE_SHARED_MEMORY, __TEXT(SWFF_SHAREDMEM_FILE));
if (m_hSharedMemoryFile == NULL) { #ifdef _DEBUG
DebugOut("sw_effct(DX):ERROR! Failed to create Memory mapped file\n"); #endif
} else { if (GetLastError() == ERROR_ALREADY_EXISTS) { bAlreadyMapped = TRUE; } // File mapping created successfully.
// Map a view of the file into the address space.
m_pSharedMemory = (PSHARED_MEMORY) MapViewOfFile(m_hSharedMemoryFile, FILE_MAP_READ | FILE_MAP_WRITE, 0, 0, 0); if ((BYTE *) m_pSharedMemory == NULL) { #ifdef _DEBUG
DebugOut("sw_effct(DX):ERROR! Failed to Map view of shared memory\n"); #endif
}
// ***** Shared Memory Access *****
LockSharedMemory(); if (!bAlreadyMapped) { // Set watermark and initialize, Bump Ref Count
memcpy(&m_pSharedMemory->m_cWaterMark[0], &cWaterMark[0], MAX_SIZE_SNAME); m_pSharedMemory->m_RefCnt = 0; } m_pSharedMemory->m_RefCnt++; } #ifdef _DEBUG
wsprintf(g_cMsg, "sw_effct(DX): Shared Memory:%lx, m_RefCnt:%d\n",m_pSharedMemory, m_pSharedMemory->m_RefCnt); DebugOut(g_cMsg); #endif
UnlockSharedMemory(); // ***** End of Shared Memory Access *****
// --- END OF CRITICAL SECTION
//
}
// --- Destructor
CJoltMidi::~CJoltMidi() { //
// --- THIS IS A CRITICAL SECTION
//
CriticalLock cl;
BOOL bKillObject = FALSE;
#ifdef _DEBUG
DebugOut("sw_effct(DX):CJoltMidi::~CJoltMidi()\n"); #endif
// Normal CJoltMidi Destructor
// Free all buffers and other data
if (m_lpCallbackInstanceData) FreeCallbackInstanceData();
// Free the MIDI Effect objects (except RTC Spring)
DeleteDownloadedEffects();
// Free the Primary SYS_EX locked memory
if (m_hPrimaryBuffer) { GlobalUnlock(m_hPrimaryBuffer); GlobalFree(m_hPrimaryBuffer); }
// ***** Shared Memory Access *****
LockSharedMemory(); // Decrement Ref Count and clean up if equal to zero.
m_pSharedMemory->m_RefCnt--; #ifdef _DEBUG
wsprintf(g_cMsg,"CJoltMidi::~CJoltMidi. RefCnt = %d\n",m_pSharedMemory->m_RefCnt); DebugOut(g_cMsg); #endif
if (0 == m_pSharedMemory->m_RefCnt) { bKillObject = TRUE;
// Tri-state Midi lines
CMD_SetDeviceState(SWDEV_KILL_MIDI);
if (m_pSharedMemory->m_hMidiOut) { if (COMM_WINMM == m_COMMInterface) { DebugOut("CJoltMidi::~CJoltMidi. Resetting and closing Midi handles\n");
// Reset, close and release Midi Handles
midiOutReset(HMIDIOUT(m_pSharedMemory->m_hMidiOut)); midiOutClose(HMIDIOUT(m_pSharedMemory->m_hMidiOut)); } // This is bogus - midiOutClose has already closed this handle
// if (g_pDataTransmitter == NULL) { // DataTransmitter closes its own handle
// CloseHandle(m_pSharedMemory->m_hMidiOut);
// }
m_pSharedMemory->m_hMidiOut = NULL; }
// Kill Data Transmitter
if (g_pDataTransmitter != NULL) { delete g_pDataTransmitter; g_pDataTransmitter = NULL; }
// Release Mutex handles
// if (m_hSWFFDataMutex) CloseHandle(m_hSWFFDataMutex); -- Unlock will take care of this
// Kill RTC Spring object
if (m_pJoltEffectList[SYSTEM_RTCSPRING_ID]) { delete m_pJoltEffectList[SYSTEM_RTCSPRING_ID]; m_pJoltEffectList[SYSTEM_RTCSPRING_ID] = NULL; } // Release the Midi Output Event handles
if (m_hMidiOutputEvent) { CloseHandle (m_hMidiOutputEvent); m_hMidiOutputEvent = NULL; } }
UnlockSharedMemory(); // ***** End of Shared Memory Access *****
// Release Memory Mapped file handles
if (m_hSharedMemoryFile) { BOOL bRet = UnmapViewOfFile((LPCVOID) m_pSharedMemory); bRet = CloseHandle(m_hSharedMemoryFile); }
// Close VxD handles
if (g_pDriverCommunicator != NULL) { delete g_pDriverCommunicator; g_pDriverCommunicator = NULL; }
memset(this, 0, sizeof(CJoltMidi)); m_hVxD = INVALID_HANDLE_VALUE;
// --- END OF CRITICAL SECTION
//
if (bKillObject) { // Delete the critical section object
// DeleteCriticalSection(&g_SWFFCriticalSection);
} }
// ----------------------------------------------------------------------------
// Function: CJoltMidi::Initialize
// Purpose: Initializer
// Parameters:
// Returns:
// Algorithm:
// ----------------------------------------------------------------------------
HRESULT CJoltMidi::Initialize(DWORD dwDeviceID) { //
// --- THIS IS A CRITICAL SECTION
//
CriticalLock cl;
HRESULT hRet = SUCCESS;
// initialize the MIDI output information block
m_MidiOutInfo.uDeviceType = MIDI_OUT; m_MidiOutInfo.hMidiOut = NULL; m_MidiOutInfo.fAlwaysKeepOpen = TRUE; m_MidiOutInfo.uDeviceStatus = MIDI_DEVICE_IDLE; m_MidiOutInfo.MidiHdr.dwBytesRecorded = 0; m_MidiOutInfo.MidiHdr.dwUser = 0; m_MidiOutInfo.MidiHdr.dwOffset = 0; m_MidiOutInfo.MidiHdr.dwFlags = 0; // Allocate and lock global memory for SysEx messages
m_hPrimaryBuffer = GlobalAlloc(GMEM_SHARE|GMEM_MOVEABLE, MAX_SYS_EX_BUFFER_SIZE); assert(m_hPrimaryBuffer); if(NULL == m_hPrimaryBuffer) { return (SFERR_DRIVER_ERROR); }
m_pPrimaryBuffer = (LPBYTE) GlobalLock(m_hPrimaryBuffer); assert(m_pPrimaryBuffer); if(NULL == m_pPrimaryBuffer) { GlobalFree(m_hPrimaryBuffer); return (SFERR_DRIVER_ERROR); }
// Initialize the IOCTL interface to VjoyD mini-driver
hRet = InitDigitalOverDrive(dwDeviceID); if (SUCCESS != hRet) { DebugOut("Warning! Could not Initialize Digital OverDrive\n"); return (hRet); } else DebugOut("InitDigitalOverDrive - Success\n");
// Create a Callback Event
HANDLE hEvent = OpenEvent(EVENT_ALL_ACCESS, FALSE, SWFF_MIDIEVENT); if (NULL == hEvent) { // Create an Event for notification when Midi Output has completed
m_hMidiOutputEvent = CreateEvent(NULL, // No security
TRUE, // Manual reset
FALSE, // Initial event is non-signaled
SWFF_MIDIEVENT ); // Named
assert(m_hMidiOutputEvent); } else m_hMidiOutputEvent = hEvent;
// We are only called after g_pJoltMidi is created
assert(g_pJoltMidi); PDELAY_PARAMS pDelayParams = g_pJoltMidi->DelayParamsPtrOf(); GetDelayParams(dwDeviceID, pDelayParams);
// Reset HW first
g_pDriverCommunicator->ResetDevice(); Sleep(DelayParamsPtrOf()->dwHWResetDelay);
// Set MIDI channel to default then Detect a Midi Device
SetMidiChannel(DEFAULT_MIDI_CHANNEL); if (!DetectMidiDevice(dwDeviceID, // joystick ID
&m_MidiOutInfo.uDeviceID, // Midi Device ID
&m_COMMInterface, // COMM_WINMM||COMM_BACKDOOR
// ||COMM_SERIAL
&m_COMMPort)) // Port address
{ DebugOut("SW_EFFCT: Warning! No Midi Device detected\n"); return (SFERR_DRIVER_ERROR); } else { #ifdef _DEBUG
wsprintf(g_cMsg,"DetectMidiDevice returned: DeviceID=%d, COMMInterface=%x, COMMPort=%x\n", m_MidiOutInfo.uDeviceID, m_COMMInterface, m_COMMPort); DebugOut(g_cMsg); #endif
}
// Allocate the Instance data buffer
m_lpCallbackInstanceData = AllocCallbackInstanceData(); assert(m_lpCallbackInstanceData);
// Initialize Midi channel, then open the Input and Output channels
m_MidiChannel = DEFAULT_MIDI_CHANNEL;
// Send Initialization packet(s) to Jolt
hRet = CMD_Init(); if (SUCCESS != hRet) { DebugOut("Warning! Could not Initialize Jolt\n"); return (hRet); } else DebugOut("JOLT CMD_Init - Success\n");
// At this point, we have a valid MIDI path...
// Continue by setting up the ROM Effects default table entries
// ID , OutputRate, Gain, Duration
static ROM_FX_PARAM RomFxTable [] = {{ RE_ROMID1 , 100, 100, 12289 }, // Random Noise
{ RE_ROMID2 , 100, 100, 2625 }, // AircraftCarrierTakeOff
{ RE_ROMID3 , 100, 50, 166 }, // BasketballDribble
{ RE_ROMID4 , 100, 14, 10000 }, // CarEngineIdling
{ RE_ROMID5 , 100, 30, 1000 }, // Chainsaw
{ RE_ROMID6 , 100, 100, 1000 }, // ChainsawingThings
{ RE_ROMID7 , 100, 40, 10000 }, // DieselEngineIdling
{ RE_ROMID8 , 100, 100, 348 }, // Jump
{ RE_ROMID9 , 100, 100, 250 }, // Land
{ RE_ROMID10, 200, 100, 1000 }, // MachineGun
{ RE_ROMID11, 100, 100, 83 }, // Punched
{ RE_ROMID12, 100, 100, 1000 }, // RocketLauncher
{ RE_ROMID13, 100, 98, 500 }, // SecretDoor
{ RE_ROMID14, 100, 66, 25 }, // SwitchClick
{ RE_ROMID15, 100, 75, 500 }, // WindGust
{ RE_ROMID16, 100, 100, 2500 }, // WindShear
{ RE_ROMID17, 100, 100, 50 }, // Pistol
{ RE_ROMID18, 100, 100, 295 }, // Shotgun
{ RE_ROMID19, 500, 95, 1000 }, // Laser1
{ RE_ROMID20, 500, 96, 1000 }, // Laser2
{ RE_ROMID21, 500, 100, 1000 }, // Laser3
{ RE_ROMID22, 500, 100, 1000 }, // Laser4
{ RE_ROMID23, 500, 100, 1000 }, // Laser5
{ RE_ROMID24, 500, 70, 1000 }, // Laser6
{ RE_ROMID25, 100, 100, 25 }, // OutOfAmmo
{ RE_ROMID26, 100, 71, 1000 }, // LigntningGun
{ RE_ROMID27, 100, 100, 250 }, // Missile
{ RE_ROMID28, 100, 100, 1000 }, // GatlingGun
{ RE_ROMID29, 500, 97, 250 }, // ShortPlasma
{ RE_ROMID30, 500, 100, 500 }, // PlasmaCannon1
{ RE_ROMID31, 500, 99, 625 }, // PlasmaCannon2
{ RE_ROMID32, 100, 100, 440 }}; // Cannon
// { RE_ROMID33, 100, 68, 1000 }, // FlameThrower
// { RE_ROMID34, 100, 100, 75 }, // BoltActionRifle
// { RE_ROMID35, 500, 100, 300 }, // Crossbow
// { RE_ROMID36, 100, 100, 1000 }, // Sine
// { RE_ROMID37, 100, 100, 1000 }}; // Cosine
m_pRomFxTable = &RomFxTable[0];
// ***** Shared Memory Access *****
LockSharedMemory(); LONG lRefCnt = m_pSharedMemory->m_RefCnt; UnlockSharedMemory(); // ***** End of Shared Memory Access *****
// Initialize the RTC_Spring object
SYSTEM_PARAMS SystemParams; GetSystemParams(dwDeviceID, &SystemParams);
RTCSPRING_PARAM RTCSpring = { sizeof(RTCSPRING_PARAM), DEFAULT_RTC_KX, DEFAULT_RTC_KY, DEFAULT_RTC_X0, DEFAULT_RTC_Y0, DEFAULT_RTC_XSAT, DEFAULT_RTC_YSAT, DEFAULT_RTC_XDBAND, DEFAULT_RTC_YDBAND };
CMidiRTCSpring * pMidiRTCSpring = new CMidiRTCSpring(&RTCSpring);
SetEffectByID(SYSTEM_RTCSPRING_ID, pMidiRTCSpring);
DNHANDLE DnHandle; CMD_Download_RTCSpring(&(SystemParams.RTCSpringParam),&DnHandle);
// initialize the joystick params
JOYSTICK_PARAMS JoystickParams; GetJoystickParams(dwDeviceID, &JoystickParams); UpdateJoystickParams(&JoystickParams);
// initialize the firmware params fudge factors (for the first time)
// in the case of the FFD interface, this will be the only time they
// are initialized, which may cause a problem because joystick is assumed
// to be ID1
PFIRMWARE_PARAMS pFirmwareParams = g_pJoltMidi->FirmwareParamsPtrOf(); GetFirmwareParams(dwDeviceID, pFirmwareParams);
// --- END OF CRITICAL SECTION
//
return (SUCCESS); }
// *** ---------------------------------------------------------------------***
// Function: CJoltMidi::LockSharedMemory
// Purpose: Creates a Mutex for Shared Memory access
// Parameters: none
//
//
// Returns: TRUE if Mutex available else FALSE
// Algorithm:
//
// Comments:
//
//
// *** ---------------------------------------------------------------------***
BOOL CJoltMidi::LockSharedMemory(void) { DWORD dwRet; { // --- THIS IS A CRITICAL SECTION
CriticalLock cl;
// Create the SWFF mutex
HANDLE hMutex = OpenMutex(MUTEX_ALL_ACCESS, FALSE, SWFF_SHAREDMEM_MUTEX); if (NULL == hMutex) { // Doesn't exist yet, so create it
hMutex = CreateMutex(NULL, TRUE, SWFF_SHAREDMEM_MUTEX); if (NULL == hMutex) { #ifdef _DEBUG
DebugOut("Error! Could not create SWFFDataMutex\n"); #endif
m_hSWFFDataMutex = NULL; return (FALSE); } } // SUCCESS
m_hSWFFDataMutex = hMutex; dwRet = WaitForSingleObject(m_hSWFFDataMutex, MUTEX_TIMEOUT); } // --- END OF CRITICAL SECTION
if (WAIT_OBJECT_0 == dwRet) return (TRUE); else { #ifdef _DEBUG
g_CriticalSection.Enter(); wsprintf(g_cMsg,"CJoltMidi::LockSharedMemory() error return: %lx\n", dwRet); DebugOut(g_cMsg); g_CriticalSection.Leave(); #endif
return (FALSE); } }
// *** ---------------------------------------------------------------------***
// Function: CJoltMidi::UnlockSharedMemory
// Purpose: Releases Mutex for Shared Memory access
// Parameters: none
//
//
// Returns: none
// Algorithm:
//
// Comments:
//
//
// *** ---------------------------------------------------------------------***
void CJoltMidi::UnlockSharedMemory(void) { //
// --- THIS IS A CRITICAL SECTION
//
g_CriticalSection.Enter(); if (NULL != m_hSWFFDataMutex) { ReleaseMutex(m_hSWFFDataMutex); CloseHandle(m_hSWFFDataMutex); m_hSWFFDataMutex=NULL; } // --- END OF CRITICAL SECTION
//
g_CriticalSection.Leave();
}
// ----------------------------------------------------------------------------
// Function: CJoltMidi::NewEffectID
// Purpose: Generates a new Effect ID
// Parameters: PDNHANDLE pDnloadID - Pointer to a new Effect ID
//
// Returns: TRUE if successful, else FALSE
// Algorithm:
// ----------------------------------------------------------------------------
BOOL CJoltMidi::NewEffectID(PDNHANDLE pDnloadID) { //
// --- THIS IS A CRITICAL SECTION
//
g_CriticalSection.Enter(); BOOL bRet = FALSE; int nID_Index = 2; // ID0 = RTC Spring, ID1 = Friction cancellation
for (int i=nID_Index; i<MAX_EFFECT_IDS; i++) { if (NULL == m_pJoltEffectList[i]) { *pDnloadID = (DNHANDLE) i; #ifdef _DEBUG
wsprintf(g_cMsg,"New Effect ID=%d\n",i); DebugOut(g_cMsg); #endif
bRet = TRUE; break; } }
// --- END OF CRITICAL SECTION
//
g_CriticalSection.Leave(); return (bRet); }
// ----------------------------------------------------------------------------
// Function: CJoltMidi::DeleteDownloadedEffects
// Purpose: Deletes all downloaded Effects
// Parameters: none
//
// Returns:
// Algorithm:
// Note: Does not delete System Effect IDs like RTC_SPRING and FRICTION CANCEL
//
// ----------------------------------------------------------------------------
void CJoltMidi::DeleteDownloadedEffects(void) { //
// --- THIS IS A CRITICAL SECTION
//
g_CriticalSection.Enter();
#ifdef _DEBUG
DebugOut("CJoltMidi::DeleteDownloadedEffects()\n"); #endif
// Free the MIDI Effect objects
for (int i=(SYSTEM_RTCSPRING_ID+1); i<MAX_EFFECT_IDS; i++) { if (m_pJoltEffectList[i]) { delete m_pJoltEffectList[i]; m_pJoltEffectList[i]= NULL; } }
// --- END OF CRITICAL SECTION
//
g_CriticalSection.Leave(); }
// ----------------------------------------------------------------------------
// Function: CJoltMidi::RestoreDownloadedEffects
// Purpose: Restores all Downloaded Effects
// Parameters: none
//
// Returns:
// Algorithm:
// ----------------------------------------------------------------------------
void CJoltMidi::RestoreDownloadedEffects(void) { //
// --- THIS IS A CRITICAL SECTION
//
CriticalLock cl;
HRESULT hRet; DNHANDLE DummyID;
#ifdef _DEBUG
DebugOut("CJoltMidi::RestoreDownloadedEffects()\n"); #endif
// Walk the list and restore the MIDI Effect objects
for (int i=0; i<MAX_EFFECT_IDS; i++) { if (m_pJoltEffectList[i]) { #ifdef _DEBUG
wsprintf(g_cMsg,"Restoring Effect ID:%d\n", i); DebugOut(g_cMsg); #endif
// Generate Sys_Ex packet then prepare for output
(m_pJoltEffectList[i])->GenerateSysExPacket(); int nSizeBuf = (m_pJoltEffectList[i])->MidiBufferSizeOf(); int nRetries = MAX_RETRY_COUNT; while (nRetries > 0) { hRet = (m_pJoltEffectList[i])->SendPacket(&DummyID, nSizeBuf); if (SUCCESS == hRet) break; BumpRetryCounter(); nRetries--; } assert(SUCCESS == hRet); } } // --- END OF CRITICAL SECTION
//
}
// ----------------------------------------------------------------------------
// Function: CJoltMidi::OpenOutput
// Purpose: Opens Midi Output
// Parameters: int nDeviceID - MIDI device ID 0-based.
//
// Returns: success or Error code
// Algorithm:
// ----------------------------------------------------------------------------
HRESULT CJoltMidi::OpenOutput(int nDeviceID) { //
// --- THIS IS A CRITICAL SECTION
//
CriticalLock cl;
// ***** Shared Memory Access *****
LockSharedMemory(); // Return if already opened by another task
if (m_pSharedMemory->m_hMidiOut) { m_MidiOutInfo = m_pSharedMemory->m_MidiOutInfo; UnlockSharedMemory(); // ***** End of Shared Memory Access *****
return (SUCCESS); }
MMRESULT wRtn; // Get MIDI input device caps
assert(nDeviceID <= (int) midiOutGetNumDevs()); wRtn = midiOutGetDevCaps(nDeviceID, (LPMIDIOUTCAPS) &m_MidiOutCaps, sizeof(MIDIOUTCAPS)); if(MMSYSERR_NOERROR != wRtn) { #ifdef _DEBUG
midiOutGetErrorText(wRtn, (LPSTR)g_cMsg, sizeof(g_cMsg)); DebugOut(g_cMsg); DebugOut(":midiOutGetDevCaps\n"); #endif
return (SFERR_DRIVER_ERROR); }
// Now open, with Callback handler
HANDLE hMidiOut = NULL; wRtn = midiOutOpen((LPHMIDIOUT)&hMidiOut, nDeviceID, // (DWORD) m_hMidiOutputEvent,
(DWORD) NULL, (DWORD) this, // the CJoltMidi object
CALLBACK_EVENT);
if(MMSYSERR_NOERROR != wRtn) { #ifdef _DEBUG
midiOutGetErrorText(wRtn, (LPSTR)g_cMsg, sizeof(g_cMsg)); DebugOut(g_cMsg); wsprintf(g_cMsg, "midiOutOpen(%u)\n", nDeviceID); DebugOut(g_cMsg); #endif
return (SFERR_DRIVER_ERROR); } m_MidiOutInfo.hMidiOut = HMIDIOUT(hMidiOut); m_MidiOutDeviceID = nDeviceID; m_MidiOutOpened = TRUE; m_pSharedMemory->m_MidiOutInfo = m_MidiOutInfo;
// Copy Midi Output handle to SharedMemory
m_pSharedMemory->m_hMidiOut = hMidiOut; UnlockSharedMemory(); // ***** End of Shared Memory Access *****
// --- END OF CRITICAL SECTION
//
return (SUCCESS); }
// ----------------------------------------------------------------------------
// Function: CJoltMidi::AllocCallbackInstanceData
// Purpose: Allocates a CALLBACKINSTANCEDATA structure. This structure is
// used to pass information to the low-level callback function,
// each time it receives a message. Because this structure is
// accessed by the low-level callback function, it must be
// allocated using GlobalAlloc() with the GMEM_SHARE and
// GMEM_MOVEABLE flags and page-locked with GlobalPageLock().
//
// Parameters: none
//
// Returns: A pointer to the allocated CALLBACKINSTANCE data structure.
// else NULL if Fail
// Algorithm:
// ----------------------------------------------------------------------------
LPCALLBACKINSTANCEDATA CJoltMidi::AllocCallbackInstanceData(void) { HANDLE hMem; LPCALLBACKINSTANCEDATA lpBuf;
// Allocate and lock global memory.
hMem = GlobalAlloc(GMEM_SHARE | GMEM_MOVEABLE, (DWORD)sizeof(CALLBACKINSTANCEDATA)); if(hMem == NULL) return NULL;
lpBuf = (LPCALLBACKINSTANCEDATA)GlobalLock(hMem); if(lpBuf == NULL) { GlobalFree(hMem); return NULL; }
// Save the handle.
lpBuf->hSelf = hMem; return lpBuf; }
// ----------------------------------------------------------------------------
// Function: CJoltMidi::FreeCallbackInstanceData
// Purpose: Frees the memory for the CALLBACKINSTANCEDATA structure
// Parameters: none
//
// Returns: none
// Algorithm:
// ----------------------------------------------------------------------------
void CJoltMidi::FreeCallbackInstanceData(void) { LPCALLBACKINSTANCEDATA lpBuf = m_lpCallbackInstanceData; HANDLE hMem;
// Save the handle until we're through here.
hMem = lpBuf->hSelf;
// Free the structure.
GlobalUnlock(hMem); GlobalFree(hMem); }
// ----------------------------------------------------------------------------
// Function: CJoltMidi::GetAckNackData
// Purpose: Waits for a Response ACK
//
// Parameters: int nTImeWait - Time to wait in 1 ms increment, 0=no wait
// PACKNACK pAckNack - Pointer to ACKNACK structure
//
// Returns: SUCCESS else error code SFERR_DRIVER_ERROR
//
// Algorithm:
//
// Note: For Short messages the MidiOutProc callback receives no MM_MOM_DONE
// indicating completed transmission. Only Long (SysEx) messages do.
// Uses:
//typedef struct _ACKNACK {
// DWORD cBytes;
// DWORD dwAckNack; //ACK, NACK
// DWORD dwErrorCode;
// DWORD dwEffectStatus; //DEV_STS_EFFECT_RUNNING||DEV_STS_EFFECT_STOPPED
//} ACKNACK, *PACKNACK;
//
// ----------------------------------------------------------------------------
HRESULT CJoltMidi::GetAckNackData( IN int nTimeWait, IN OUT PACKNACK pAckNack, IN USHORT regindex) { //
// --- THIS IS A CRITICAL SECTION
//
CriticalLock cl;
assert(pAckNack); // Use IOCTL from VxD to get AckNack data
// Wait for Event to be set
if (nTimeWait && m_hMidiOutputEvent) { DWORD dwRet = WaitForSingleObject(m_hMidiOutputEvent, nTimeWait); // :
#ifdef _DEBUG
wsprintf(g_cMsg,"WaitForSingleObject %lx returned %lx, nTimeWait=%ld\n", m_hMidiOutputEvent, dwRet, nTimeWait); DebugOut(g_cMsg); #endif
BOOL bRet = ResetEvent(m_hMidiOutputEvent); }
HRESULT hRet = g_pDriverCommunicator->GetAckNack(*pAckNack, regindex);
// --- END OF CRITICAL SECTION
//
return (hRet); }
// ----------------------------------------------------------------------------
// Function: CJoltMidi::GetEffectStatus
// Purpose: Checks status of Effect
//
// Parameters: int DnloadID - Effect ID
// PBYTE pStatusCode - Ptr to a byte for status code
//
// Returns: SUCCESS else error code SFERR_DRIVER_ERROR
//
// Algorithm:
//
// Note: For Short messages the MidiOutProc callback receives no MM_MOM_DONE
// indicating completed transmission. Only Long (SysEx) messages do.
// Uses:
//typedef struct _ACKNACK {
// DWORD cBytes;
// DWORD dwAckNack; //ACK, NACK
// DWORD dwErrorCode;
// DWORD dwEffectStatus; //DEV_STS_EFFECT_RUNNING||DEV_STS_EFFECT_STOPPED
//} ACKNACK, *PACKNACK;
//
// ----------------------------------------------------------------------------
HRESULT CJoltMidi::GetEffectStatus( IN DWORD DnloadID , IN OUT PBYTE pStatusCode) { //
// --- THIS IS A CRITICAL SECTION
//
g_CriticalSection.Enter();
assert(pStatusCode); HRESULT hRet = CMD_GetEffectStatus((DNHANDLE) DnloadID, pStatusCode);
// --- END OF CRITICAL SECTION
//
g_CriticalSection.Leave(); return (hRet); }
// ----------------------------------------------------------------------------
// Function: CJoltMidi::InitDigitalOverDrive
// Purpose: Initialize the VxD interface
//
// Parameters: none
//
// Returns: SUCCESS or Error code
//
// Algorithm:
// ----------------------------------------------------------------------------
HRESULT CJoltMidi::InitDigitalOverDrive(DWORD dwDeviceID) { if (g_pDriverCommunicator != NULL) { // Attempt to reinit
ASSUME_NOT_REACHED(); return S_OK; }
//
// --- THIS IS A CRITICAL SECTION
//
HRESULT hRet = SUCCESS; DWORD driverMajor = 0xFFFFFFFF; DWORD driverMinor = 0xFFFFFFFF;
g_CriticalSection.Enter(); // This fork works on NT5 only (VxD stuff removed)
assert(g_ForceFeedbackDevice.IsOSNT5() == TRUE); { g_pDriverCommunicator = new HIDFeatureCommunicator; if (g_pDriverCommunicator == NULL) { g_CriticalSection.Leave(); return DIERR_OUTOFMEMORY; } if (((HIDFeatureCommunicator*)g_pDriverCommunicator)->Initialize(dwDeviceID) == FALSE) { // Could not load the driver
hRet = SFERR_DRIVER_ERROR; } }
if (FAILED(hRet)) { return hRet; }
// Loaded driver, get the version
g_pDriverCommunicator->GetDriverVersion(driverMajor, driverMinor);
// --- END OF CRITICAL SECTION
//
g_CriticalSection.Leave();
g_ForceFeedbackDevice.SetDriverVersion(driverMajor, driverMinor); return (hRet); }
// ----------------------------------------------------------------------------
// Function: CJoltMidi::GetJoltStatus
// Purpose: Returns JOLT Device Status using SWForce SWDEVICESTATE struct
//
// Parameters: LPDEVICESTATE pDeviceState
//
// Returns: none
//
// Algorithm: copies SWDEVICESTATUS to caller
// Internal Representation:
//typedef struct _SWDEVICESTATE {
// ULONG m_Bytes; // size of this structure
// ULONG m_ForceState; // DS_FORCE_ON || DS_FORCE_OFF || DS_SHUTDOWN
// ULONG m_EffectState; // DS_STOP_ALL || DS_CONTINUE || DS_PAUSE
// ULONG m_HOTS; // Hands On Throttle and Stick Status
// 0 = Hands Off, 1 = Hands On
// ULONG m_BandWidth; // Percentage of CPU available 1 to 100%
// Lower number indicates CPU is in trouble!
// ULONG m_ACBrickFault; // 0 = AC Brick OK, 1 = AC Brick Fault
// ULONG m_ResetDetect; // 1 = HW Reset Detected
// ULONG m_ShutdownDetect; // 1 = Shutdown detected
// ULONG m_CommMode; // TRUE=SERIAL, FALSE=MIDI
//} SWDEVICESTATE, *PSWDEVICESTATE;
//
// ----------------------------------------------------------------------------
HRESULT CJoltMidi::GetJoltStatus(PSWDEVICESTATE pDeviceState) { //
// --- THIS IS A CRITICAL SECTION
//
g_CriticalSection.Enter(); // Use Digital Overdrive to get the status packet
JOYCHANNELSTATUS statusPacket = { sizeof JOYCHANNELSTATUS }; HRESULT hRet = g_pDriverCommunicator->GetStatus(statusPacket); if (hRet == SUCCESS) { // Store/update Jolt's status in main object
SetJoltStatus(&statusPacket); memcpy(pDeviceState, &m_DeviceState, sizeof(SWDEVICESTATE)); }
//
// --- END OF CRITICAL SECTION
//
g_CriticalSection.Leave(); return (hRet); }
// ----------------------------------------------------------------------------
// Function: CJoltMidi::GetJoltStatus
// Purpose: Returns JOLT Device Status
//
// Parameters: LPDEVICESTATE pDeviceState using DXFF DEVICESTATE
//
// Returns: none
//
// Algorithm: copies SWDEVICESTATUS to caller converted to DEVICESTATE
// Internal Representation:
//typedef struct _SWDEVICESTATE {
// ULONG m_Bytes; // size of this structure
// ULONG m_ForceState; // DS_FORCE_ON || DS_FORCE_OFF || DS_SHUTDOWN
// ULONG m_EffectState; // DS_STOP_ALL || DS_CONTINUE || DS_PAUSE
// ULONG m_HOTS; // Hands On Throttle and Stick Status
// 0 = Hands Off, 1 = Hands On
// ULONG m_BandWidth; // Percentage of CPU available 1 to 100%
// Lower number indicates CPU is in trouble!
// ULONG m_ACBrickFault; // 0 = AC Brick OK, 1 = AC Brick Fault
// ULONG m_ResetDetect; // 1 = HW Reset Detected
// ULONG m_ShutdownDetect; // 1 = Shutdown detected
// ULONG m_CommMode; // 0 = Midi, 1-4 = Serial
//} SWDEVICESTATE, *PSWDEVICESTATE;
//
// DirectInputEffect Representation
//typedef struct DEVICESTATE {
// DWORD dwSize;
// DWORD dwState;
// DWORD dwSwitches;
// DWORD dwLoading;
//} DEVICESTATE, *LPDEVICESTATE;
//
//where:
//// dwState values:
//DS_FORCE_SHUTDOWN 0x00000001
//DS_FORCE_ON 0x00000002
//DS_FORCE_OFF 0x00000003
//DS_CONTINUE 0x00000004
//DS_PAUSE 0x00000005
//DS_STOP_ALL 0x00000006
//
// dwSwitches values:
//DSW_ACTUATORSON 0x00000001
//DSW_ACTUATORSOFF 0x00000002
//DSW_POWERON 0x00000004
//DSW_POWEROFF 0x00000008
//DSW_SAFETYSWITCHON 0x00000010
//DSW_SAFETYSWITCHOFF 0x00000020
//DSW_USERFFSWITCHON 0x00000040
//DSW_USERFFSWTTCHOFF 0x00000080
//
// Note: Apparently, DSW_ACTUATORSON and DSW_ACTUATORSOFF is a mirrored state
// from DS_FORCE_ON and DS_FORCE_OFF as set from SetForceFeedbackState
//
// ----------------------------------------------------------------------------
HRESULT CJoltMidi::GetJoltStatus(LPDIDEVICESTATE pDeviceState) { //
// --- THIS IS A CRITICAL SECTION
//
CriticalLock cl;
// Use Digital Overdrive to get the status packet
JOYCHANNELSTATUS StatusPacket = {sizeof(JOYCHANNELSTATUS)};
HRESULT hRet = g_pDriverCommunicator->GetStatus(StatusPacket); if (hRet != SUCCESS) { return (hRet); } // Store/update Jolts status
SetJoltStatus(&StatusPacket); #ifdef _DEBUG
wsprintf(g_cMsg,"%s: DXFF:dwDeviceStatus=%.8lx\n",&szDeviceName, StatusPacket.dwDeviceStatus); DebugOut(g_cMsg); #endif
pDeviceState->dwState = 0; // Note: Apparently, DSW_ACTUATORSON and DSW_ACTUATORSOFF is a mirrored state
// from DS_FORCE_ON and DS_FORCE_OFF as set from SetForceFeedbackState
// So, also Map the redundant info that DI needs if necessary
switch(m_DeviceState.m_ForceState) { case SWDEV_SHUTDOWN: pDeviceState->dwState = DIGFFS_ACTUATORSON; break; case SWDEV_FORCE_ON: pDeviceState->dwState = DIGFFS_ACTUATORSON; break;
case SWDEV_FORCE_OFF: pDeviceState->dwState = DIGFFS_ACTUATORSOFF; break; default: break; }
// see if the stick is empty
// remember that ID's start at 2
BOOL bEmpty = TRUE; for (int i=2; i<MAX_EFFECT_IDS; i++) { if (m_pJoltEffectList[i] != NULL) bEmpty = FALSE; } if(bEmpty) pDeviceState->dwState |= DIGFFS_EMPTY;
switch(m_DeviceState.m_EffectState) { case SWDEV_PAUSE: pDeviceState->dwState |= DIGFFS_PAUSED; break;
case SWDEV_CONTINUE: break;
case SWDEV_STOP_ALL: pDeviceState->dwState |= DIGFFS_STOPPED; break;
default: break; }
if(m_DeviceState.m_HOTS) pDeviceState->dwState |= DIGFFS_SAFETYSWITCHON; else pDeviceState->dwState |= DIGFFS_SAFETYSWITCHOFF;
if (m_DeviceState.m_ACBrickFault) pDeviceState->dwState |= DIGFFS_POWEROFF; else pDeviceState->dwState |= DIGFFS_POWERON;
pDeviceState->dwLoad = 0; //m_DeviceState.m_BandWidth * SCALE_GAIN;
// --- END OF CRITICAL SECTION
//
return SUCCESS; }
// ----------------------------------------------------------------------------
// Function: CJoltMidi::SetJoltStatus
// Purpose: Sets JOLT Device Status
//
// Parameters: PJOYCHANNELSTATUS pJoyChannelStatus
//
// Returns: none
//
// Algorithm: Sets SWDEVICESTATE from caller
//typedef struct _SWDEVICESTATE {
// ULONG m_Bytes; // size of this structure
// ULONG m_ForceState; // DS_FORCE_ON || DS_FORCE_OFF || DS_FORCE_SHUTDOWN
// ULONG m_EffectState; // DS_STOP_ALL || DS_CONTINUE || DS_PAUSE
// ULONG m_HOTS; // Hands On Throttle and Stick Status
// 0(FALSE) = Hands Off, 1 (TRUE) = Hands On
// ULONG m_BandWidth; // Percentage of CPU available 1 to 100%
// Lower number indicates CPU is in trouble!
// ULONG m_ACBrickFault; // 0(FALSE) = AC Brick OK, 1(TRUE) = AC Fault
// ULONG m_ResetDetect; // 1(TRUE) = HW Reset Detected
// ULONG m_ShutdownDetect; // 1(TRUE) = Shutdown detected
// ULONG m_CommMode; // 0(FALSE) = Midi, 1(TRUE) = Serial
//} SWDEVICESTATE, *PSWDEVICESTATE;
// ----------------------------------------------------------------------------
void CJoltMidi::SetJoltStatus(JOYCHANNELSTATUS* pJoyChannelStatus) { //
// --- THIS IS A CRITICAL SECTION
//
CriticalLock cl;
if (pJoyChannelStatus->dwDeviceStatus & HOTS_MASK) m_DeviceState.m_HOTS = TRUE; else m_DeviceState.m_HOTS = FALSE;
if (pJoyChannelStatus->dwDeviceStatus & BANDWIDTH_MASK) m_DeviceState.m_BandWidth = MINIMUM_BANDWIDTH; else m_DeviceState.m_BandWidth = MAXIMUM_BANDWIDTH; if (pJoyChannelStatus->dwDeviceStatus & AC_FAULT_MASK) m_DeviceState.m_ACBrickFault = TRUE; else m_DeviceState.m_ACBrickFault = FALSE;
if (pJoyChannelStatus->dwDeviceStatus & COMM_MODE_MASK) m_DeviceState.m_CommMode = TRUE; // Serial RS232
else m_DeviceState.m_CommMode = FALSE; // Midi port
if (pJoyChannelStatus->dwDeviceStatus & RESET_MASK) m_DeviceState.m_ResetDetect = TRUE; // Power ON Reset entered
else m_DeviceState.m_ResetDetect = FALSE; //REVIEW: If we detected a Reset, shouldn't we go through re-init of object?
if (pJoyChannelStatus->dwDeviceStatus & SHUTDOWN_MASK) m_DeviceState.m_ShutdownDetect = TRUE; // Soft Reset received
else m_DeviceState.m_ShutdownDetect = FALSE;
// --- END OF CRITICAL SECTION
//
}
// ----------------------------------------------------------------------------
// Function: CJoltMidi::UpdateDeviceMode
// Purpose: Sets JOLT Device Mode
//
// Parameters: ULONG ulMode
//
// Returns: none
//
// Algorithm:
// This is the SideWinder State structure
//typedef struct _SWDEVICESTATE {
// ULONG m_Bytes; // size of this structure
// ULONG m_ForceState; // DS_FORCE_ON || DS_FORCE_OFF || DS_SHUTDOWN
// ULONG m_EffectState; // DS_STOP_ALL || DS_CONTINUE || DS_PAUSE
// ULONG m_HOTS; // Hands On Throttle and Stick Status
// // 0 = Hands Off, 1 = Hands On
// ULONG m_BandWidth; // Percentage of CPU available 1 to 100%
// // Lower number indicates CPU is in trouble!
// ULONG m_ACBrickFault; // 0 = AC Brick OK, 1 = AC Brick Fault
// ULONG m_ResetDetect; // 1 = HW Reset Detected
// ULONG m_ShutdownDetect; // 1 = Shutdown detected
// ULONG m_CommMode; // 0 = Midi, 1-4 = Serial
//} SWDEVICESTATE, *PSWDEVICESTATE;
//
// ----------------------------------------------------------------------------
void CJoltMidi::UpdateDeviceMode(ULONG ulMode) { //
// --- THIS IS A CRITICAL SECTION
//
CriticalLock cl;
switch (ulMode) { case SWDEV_FORCE_ON: // REVIEW
case SWDEV_FORCE_OFF: m_DeviceState.m_ForceState = ulMode; break;
case SWDEV_SHUTDOWN: m_DeviceState.m_ForceState = ulMode; m_DeviceState.m_EffectState = 0; break;
case SWDEV_STOP_ALL: case SWDEV_CONTINUE: case SWDEV_PAUSE: m_DeviceState.m_EffectState = ulMode; break;
default: break; } // --- END OF CRITICAL SECTION
//
}
// ----------------------------------------------------------------------------
// Function: CJoltMidi::GetJoltID
// Purpose: Returns JOLT ProductID
//
// Parameters: LOCAL_PRODUCT_ID pProductID - Pointer to a LOCAL_PRODUCT_ID structure
//
// Returns: none
//
// Algorithm:
//
// ----------------------------------------------------------------------------
HRESULT CJoltMidi::GetJoltID(LOCAL_PRODUCT_ID* pProductID) { HRESULT hRet; assert(pProductID->cBytes = sizeof LOCAL_PRODUCT_ID); if (pProductID->cBytes != sizeof LOCAL_PRODUCT_ID) return (SFERR_INVALID_STRUCT_SIZE);
//
// --- THIS IS A CRITICAL SECTION
//
g_CriticalSection.Enter();
for (int i=0;i<MAX_RETRY_COUNT;i++) { if (SUCCESS == (hRet = g_pDriverCommunicator->GetID(*pProductID))) break; } if (SUCCESS == hRet) { memcpy(&m_ProductID, pProductID, sizeof LOCAL_PRODUCT_ID); } else DebugOut("GetJoltID: Warning! GetIDPacket - Fail\n");
// --- END OF CRITICAL SECTION
//
g_CriticalSection.Leave(); return (hRet); }
// ----------------------------------------------------------------------------
// Function: CJoltMidi::LogError
// Purpose: Logs Error codes
//
// Parameters: HRESULT SystemError - System Error code
// HRESULT DriverError - Driver Error code
//
// Returns: SWFORCE Error code
//
// Algorithm:
// ----------------------------------------------------------------------------
typedef struct _DRIVERERROR { ULONG ulDriverCode; LONG lSystemCode; } DRIVERERROR, *PDRIVERERROR;
HRESULT CJoltMidi::LogError( IN HRESULT SystemError, IN HRESULT DriverError) { // REVIEW: map MM error codes to our SWForce codes
DRIVERERROR DriverErrorCodes[] = { {DEV_ERR_INVALID_ID , SWDEV_ERR_INVALID_ID}, {DEV_ERR_INVALID_PARAM , SWDEV_ERR_INVALID_PARAM}, {DEV_ERR_CHECKSUM , SWDEV_ERR_CHECKSUM}, {DEV_ERR_TYPE_FULL , SWDEV_ERR_TYPE_FULL}, {DEV_ERR_UNKNOWN_CMD , SWDEV_ERR_UNKNOWN_CMD}, {DEV_ERR_PLAYLIST_FULL , SWDEV_ERR_PLAYLIST_FULL}, {DEV_ERR_PROCESS_LIST_FULL , SWDEV_ERR_PROCESSLIST_FULL} };
int nDriverErrorCodes = sizeof(DriverErrorCodes)/(sizeof(DRIVERERROR)); for (int i=0; i<nDriverErrorCodes; i++) { if (DriverError == (LONG) DriverErrorCodes[i].ulDriverCode) { SystemError = DriverErrorCodes[i].lSystemCode; break; } } // Store in Jolt object
m_Error.HCode = SystemError; m_Error.ulDriverCode = DriverError;
#ifdef _DEBUG
wsprintf(g_cMsg,"LogError: SystemError=%.8lx, DriverError=%.8lx\n", SystemError, DriverError); DebugOut(g_cMsg); #endif
return SystemError; }
//
// ----------------------------------------------------------------------------
// Function: SetupROM_Fx
// Purpose: Sets up parameters for ROM Effects
// Parameters: PEFFECT pEffect
//
//
// Returns: pEffect is updated with new ROM parameters
// OutputRate
// Gain
// Duration
//
// Algorithm:
// ----------------------------------------------------------------------------
HRESULT CJoltMidi::SetupROM_Fx( IN OUT PEFFECT pEffect) { assert(pEffect); if (NULL == pEffect) return (SFERR_INVALID_PARAM); ULONG ulSubType = pEffect->m_SubType; BOOL bFound = FALSE; for (int i=0; i< MAX_ROM_EFFECTS; i++) { if (ulSubType == m_pRomFxTable[i].m_ROM_Id) { bFound = TRUE; break; } } if (!bFound) return (SFERR_INVALID_OBJECT); // Found, so fill in the default parameters, use Default if Gain=1, Duration=-1, OutputRate=-1
BOOL bDefaultDuration = (ULONG)-1 == pEffect->m_Duration; if (1 == pEffect->m_Gain) pEffect->m_Gain = m_pRomFxTable[i].m_Gain; if (bDefaultDuration) pEffect->m_Duration = m_pRomFxTable[i].m_Duration; if ((ULONG)-1 == pEffect->m_ForceOutputRate) { pEffect->m_ForceOutputRate = m_pRomFxTable[i].m_ForceOutputRate; } else if(bDefaultDuration && pEffect->m_ForceOutputRate != 0) { // scale the duration to correspond to the output rate
pEffect->m_Duration = pEffect->m_Duration*m_pRomFxTable[i].m_ForceOutputRate/pEffect->m_ForceOutputRate; } return (SUCCESS); }
// *** ---------------------------------------------------------------------***
// Function: DetectMidiDevice
// Purpose: Determines Midi Output Device ID
// Parameters:
// DWORD dwDeviceID - joystick ID
// UINT *pDeviceOutID - Ptr to Midi Out Device ID
// ULONG pCOMMInterface - Ptr to COMMInterface value
// ULONG pCOMMPort - Ptr to COMMPort value (Registry)
// Returns: BOOL TRUE if successful match and IDs are filled in
// else FALSE
//
// *** ---------------------------------------------------------------------***
BOOL CJoltMidi::DetectMidiDevice( IN DWORD dwDeviceID, IN OUT UINT *pDeviceOutID, OUT ULONG *pCOMMInterface, OUT ULONG *pCOMMPort) { //
// --- THIS IS A CRITICAL SECTION
//
CriticalLock cl;
HRESULT hRet; BOOL bMidiOutFound = FALSE; int nMidiOutDevices;
// Valid Serial and MIDI ports table
ULONG MIDI_Ports[] = {0x300, 0x310, 0x320, 0x330, 0x340, 0x350, 0x360, 0x370, 0x380, 0x390, 0x3a0, 0x3b0, 0x3c0, 0x3d0, 0x3e0, 0x3f0}; ULONG Serial_Ports[] = { 1, 2, 3, 4 }; // Entry0 is default
int nMIDI_Ports = sizeof(MIDI_Ports)/sizeof(ULONG); int nSerial_Ports = sizeof(Serial_Ports)/sizeof(ULONG);
// Set defaults
*pCOMMInterface = COMM_WINMM; *pCOMMPort = NULL; *pDeviceOutID = 0;
SWDEVICESTATE SWDeviceState = {sizeof(SWDEVICESTATE)}; // Turn on tristated Jolt MIDI lines by call GetIDPacket()
LOCAL_PRODUCT_ID ProductID = {sizeof LOCAL_PRODUCT_ID }; Sleep(DelayParamsPtrOf()->dwDigitalOverdrivePrechargeCmdDelay); if (SUCCESS != GetJoltID(&ProductID)) { DebugOut("DetectMidiDevice: Warning! GetIDPacket - Fail\n"); return (FALSE); }
#ifdef _DEBUG
wsprintf(g_cMsg,"%s: ProductID=%.8lx, FWVersion=%d.%.2ld\n", &szDeviceName, m_ProductID.dwProductID, m_ProductID.dwFWMajVersion, m_ProductID.dwFWMinVersion); DebugOut(g_cMsg); #endif
// Set the device firmware version from GetID
g_ForceFeedbackDevice.SetFirmwareVersion(dwDeviceID, m_ProductID.dwFWMajVersion, m_ProductID.dwFWMinVersion);
// Get Device status prior to starting detection
BOOL statusPacketFailed = (GetJoltStatus(&SWDeviceState) != SUCCESS); if (statusPacketFailed) { DebugOut("DetectMidiDevice: Warning! StatusPacket - Fail\n"); } if (statusPacketFailed == FALSE) { #ifdef _DEBUG
wsprintf(g_cMsg, "RESETDetect=%.8lx, SHUTDOWNDetect=%.8lx, COMMMode=%.8lx\n", SWDeviceState.m_ResetDetect, SWDeviceState.m_ShutdownDetect, SWDeviceState.m_CommMode); DebugOut(g_cMsg); #endif
// Make sure HW Reset Detect bit is cleared after GetID
if (SWDeviceState.m_ResetDetect) { DebugOut("DetectMidiDevice: Error! Jolt ResetDetect bit not cleared after GetID\n"); return (FALSE); } }
// See if Serial Dongle connected, otherwise must be MIDI device
DebugOut("sw_effct:Trying Auto HW Detection: MIDI Serial Port Device...\n");
// Get Registry values, If high bit of COMMInterface is set, then force override
// otherwise, do automatic scanning as follows:
// 1. Backdoor mode
// 2. WinMM mode
//
// joyGetForceFeedbackCOMMInterface's 1st param changed to joystick ID
if (SUCCESS != joyGetForceFeedbackCOMMInterface(dwDeviceID, pCOMMInterface, pCOMMPort)) { DebugOut("DetectMidiDevice: Registry key(s) missing! Bailing Out...\n"); return (FALSE); } #ifdef _DEBUG
wsprintf(g_cMsg, "DetectMidiDevice: Registry.COMMInterface=%lx, Registry.COMMPort=%lx\n", *pCOMMInterface, *pCOMMPort); DebugOut(g_cMsg); #endif
ULONG regInterface = *pCOMMInterface;
// Was a serial dongle detected, or did we fail to get status
if (SWDeviceState.m_CommMode || statusPacketFailed) { // Use serial (regardless what registry says!)
DebugOut("DetectMidiDevice: Serial Port interface detected.\n");
// Set to backdoor serial method by default
*pCOMMInterface = COMM_SERIAL_BACKDOOR; m_COMMInterface = COMM_SERIAL_BACKDOOR;
// Use front-door (serial file method) only, if NT5
// since there is no backdoor on NT5 registry is irrelevent
if (g_ForceFeedbackDevice.IsOSNT5()) { *pCOMMInterface = COMM_SERIAL_FILE; m_COMMInterface = COMM_SERIAL_FILE; } else if ((g_ForceFeedbackDevice.GetFirmwareVersionMajor() == 1) && (g_ForceFeedbackDevice.GetFirmwareVersionMinor() != 16)) { // Firmware is not 1.16 (which can't use the frontdoor serial with quick ack/nack)
if (!(regInterface & MASK_SERIAL_BACKDOOR)) { // Is back door forced by registry
*pCOMMInterface = COMM_SERIAL_FILE; // Use Serial File method
m_COMMInterface = COMM_SERIAL_FILE; } }
// See if already detected and ready to use
// ***** Shared Memory Access *****
LockSharedMemory(); HANDLE hMidiOut = m_pSharedMemory->m_hMidiOut; UnlockSharedMemory(); // ***** End of Shared Memory Access *****
// Return if already opened by another task
if (NULL != hMidiOut) { bMidiOutFound = TRUE; } else { // Use the serial transmitter to find the proper port (even if backdoor selected)
if (g_pDataTransmitter != NULL) { delete g_pDataTransmitter; g_pDataTransmitter = NULL; } g_pDataTransmitter = new SerialDataTransmitter();
if (g_pDataTransmitter->Initialize()) { LockSharedMemory(); m_pSharedMemory->m_hMidiOut = g_pDataTransmitter->GetCOMMHandleHack(); UnlockSharedMemory(); bMidiOutFound = TRUE; }
// If Serial Backdoor let the driver know which port, kill DataTransmitter (without closing port)
if (m_COMMInterface == COMM_SERIAL_BACKDOOR) { hRet = g_pDriverCommunicator->SetBackdoorPort(g_pDataTransmitter->GetSerialPortHack()); if (hRet != SUCCESS) { // Low level driver fails, use normal serial routines not backdoor
DebugOut("\nDetectMidiDevice: Warning! Could not set serial I/O port, cannot use backdoor serial\n"); *pCOMMInterface = COMM_SERIAL_FILE; m_COMMInterface = COMM_SERIAL_FILE; } else { g_pDataTransmitter->StopAutoClose(); delete g_pDataTransmitter; g_pDataTransmitter = NULL; } } }
if (bMidiOutFound) { regInterface = (regInterface & (MASK_OVERRIDE_MIDI_PATH | MASK_SERIAL_BACKDOOR)) | m_COMMInterface; // joySetForceFeedbackCOMMInterface's 1st param changed to joystick ID
joySetForceFeedbackCOMMInterface(dwDeviceID, regInterface, *pCOMMPort); }
if ((statusPacketFailed == FALSE) || bMidiOutFound) { return (bMidiOutFound); } } // End of Serial Port Auto HW selection
// No Serial HW dongle detected, check if any Midi device for WinMM and Backdoor
DebugOut("sw_effct:Scanning MIDI Output Devices\n"); nMidiOutDevices = midiOutGetNumDevs(); if (0 == nMidiOutDevices) { DebugOut("DetectMidiDevice: No MIDI devices present\n"); return (FALSE); }
#if 0
// Try the midi pin solution
g_pDataTransmitter = new PinTransmitter(); if (g_pDataTransmitter->Initialize()) { // Use backdoor flag for now
m_COMMInterface = COMM_MIDI_BACKDOOR; *pCOMMInterface = COMM_MIDI_BACKDOOR; return TRUE; } // Pin failed delete transmitter continue looking
delete g_pDataTransmitter; g_pDataTransmitter = NULL; #endif
ULONG ulPort = *pCOMMPort; if ( !(*pCOMMInterface & MASK_OVERRIDE_MIDI_PATH) ) { // Use Automatic detection
DebugOut("DetectMidiDevice: Auto Detection. Trying Backdoor\n"); // Back Door
bMidiOutFound = FindJoltBackdoor(pDeviceOutID, pCOMMInterface, pCOMMPort); if (!bMidiOutFound) { // Try Front Door
DebugOut("DetectMidiDevice: trying WINMM...\n"); bMidiOutFound = FindJoltWinMM(pDeviceOutID, pCOMMInterface, pCOMMPort); } if (bMidiOutFound) { regInterface = (regInterface & (MASK_OVERRIDE_MIDI_PATH | MASK_SERIAL_BACKDOOR)) | m_COMMInterface; joySetForceFeedbackCOMMInterface(*pDeviceOutID, regInterface, *pCOMMPort); } return (bMidiOutFound); }
// Over-ride since high bit is set
*pCOMMInterface &= ~(MASK_OVERRIDE_MIDI_PATH | MASK_SERIAL_BACKDOOR); // Mask out high bit (and second bit)
switch (*pCOMMInterface) { case COMM_WINMM: bMidiOutFound = FindJoltWinMM(pDeviceOutID, pCOMMInterface, pCOMMPort); if (!bMidiOutFound) { DebugOut("DetectMidiDevice: Error! Invalid Over-ride parameter values!\n"); } return (bMidiOutFound); case COMM_MIDI_BACKDOOR: int i; for (i=0;i<nMIDI_Ports;i++) { if (ulPort == MIDI_Ports[i]) { bMidiOutFound = TRUE; break; } } break;
case COMM_SERIAL_BACKDOOR: // mlc - This should never work if no dongle detected
for (i=0;i<nSerial_Ports;i++) { if (ulPort == Serial_Ports[i]) { bMidiOutFound = TRUE; break; } } break;
default: bMidiOutFound = FALSE; break; }
if (!bMidiOutFound) { DebugOut("DetectMidiDevice: Error! Invalid Over-ride parameter values\n"); return (bMidiOutFound); }
// We have the forced Port #, Let's see if Jolt is out there
#ifdef _DEBUG
wsprintf(g_cMsg,"DetectMidiDevice: (Over-ride) MIDI%.8lx Query - ", ulPort); DebugOut(g_cMsg); #endif
bMidiOutFound = FALSE; hRet = g_pDriverCommunicator->SetBackdoorPort(ulPort);
if (SUCCESS != hRet) { DebugOut("\nDetectMidiDevice: Warning! Could not Set Midi/Serial I/O Port\n"); } else { if (QueryForJolt()) { DebugOut(" Success!\n"); bMidiOutFound = TRUE; } else DebugOut(" No Answer\n"); }
// --- END OF CRITICAL SECTION
//
return (bMidiOutFound); }
// *** ---------------------------------------------------------------------***
// Function: FindJoltWinMM
// Purpose: Searches for Jolt using WinMM
// Parameters: none
// UINT *pDeviceOutID - Ptr to Midi Out Device ID
// ULONG pCOMMInterface - Ptr to COMMInterface value
// ULONG pCOMMPort - Ptr to COMMPort value (Registry)
// Returns: BOOL TRUE if successful match and IDs are filled in
//
// Comments: SHUTDOWN is destructive!!!
//
// *** ---------------------------------------------------------------------***
BOOL CJoltMidi::FindJoltWinMM( IN OUT UINT *pDeviceOutID, OUT ULONG *pCOMMInterface, OUT ULONG *pCOMMPort) { HRESULT hRet; WORD wTechnology; // looking for MOD_MIDIPORT
WORD wChannelMask; // ==0xFFFF if all 16 channels
BOOL bMidiOutFound = FALSE; // Device Capabilities
MIDIOUTCAPS midiOutCaps;
int nMidiOutDevices = midiOutGetNumDevs(); if (0 == nMidiOutDevices) return (FALSE);
m_COMMInterface = COMM_WINMM; for (int nIndex=0;nIndex<(nMidiOutDevices);nIndex++) { MMRESULT ret = midiOutGetDevCaps(nIndex, &midiOutCaps, sizeof(midiOutCaps)); if (ret != MMSYSERR_NOERROR) break; wTechnology = midiOutCaps.wTechnology; wChannelMask= midiOutCaps.wChannelMask; #ifdef _DEBUG
g_CriticalSection.Enter(); wsprintf(g_cMsg,"FindJoltWinMM: Technology=%x," \ "ChannelMask=%x, Mid=%d, Pid=%d\r\n", midiOutCaps.szPname, wTechnology, wChannelMask, midiOutCaps.wMid, midiOutCaps.wPid); DebugOut(g_cMsg); g_CriticalSection.Leave(); #endif
// Check if this is a MOD_MIDIPORT device
//REVIEW: Need to check for multiple MOD_MIDIPORT devices
if (wTechnology == MOD_MIDIPORT) { *pDeviceOutID = (UINT) nIndex; #ifdef _DEBUG
DebugOut("DetectMidiDevice: Opening WinMM Midi Output\n"); #endif
hRet = OpenOutput(m_MidiOutInfo.uDeviceID); if (SUCCESS != hRet) { DebugOut("DetectMidiDevice: Error! Could not Open WinMM Midi Output\n"); return (FALSE); } else { DebugOut("Open Midi Output - Success.\nQuery for Jolt Device - "); if (QueryForJolt()) { DebugOut(" Success!\n"); bMidiOutFound = TRUE; } else { DebugOut(" No Answer\n"); bMidiOutFound = FALSE; break; } return (bMidiOutFound); } } // end of MOD_MIDIPORT
} return (bMidiOutFound); }
// *** ---------------------------------------------------------------------***
// Function: FindJoltBackdoor
// Purpose: Searches for Jolt using BackDoor
// Parameters: none
// UINT *pDeviceOutID - Ptr to Midi Out Device ID
// ULONG pCOMMInterface - Ptr to COMMInterface value
// ULONG pCOMMPort - Ptr to COMMPort value (Registry)
// Returns: BOOL TRUE if successful match and IDs are filled in
//
// Comments: SHUTDOWN is destructive!!!
//
// *** ---------------------------------------------------------------------***
BOOL CJoltMidi::FindJoltBackdoor( IN OUT UINT *pDeviceOutID, OUT ULONG *pCOMMInterface, OUT ULONG *pCOMMPort) { int nMidiOutDevices = midiOutGetNumDevs(); if (0 == nMidiOutDevices) return (FALSE);
HRESULT hRet; // Valid Serial and MIDI ports table
ULONG MIDI_Ports[] = {0x300, 0x310, 0x320, 0x330, 0x340, 0x350, 0x360, 0x370, 0x380, 0x390, 0x3a0, 0x3b0, 0x3c0, 0x3d0, 0x3e0, 0x3f0}; int nMIDI_Ports = sizeof(MIDI_Ports)/sizeof(ULONG); BOOL bMidiOutFound = FALSE; m_COMMInterface = COMM_MIDI_BACKDOOR; *pCOMMInterface = COMM_MIDI_BACKDOOR; *pCOMMPort = 0; for (int i=0;i<nMIDI_Ports;i++) { #ifdef _DEBUG
wsprintf(g_cMsg,"FindJoltBackdoor: Midi Port:%lx - ", MIDI_Ports[i]); DebugOut(g_cMsg); #endif
// We have the Port #, Let's see if Jolt is out there
hRet = g_pDriverCommunicator->SetBackdoorPort(MIDI_Ports[i]); if (SUCCESS == hRet) { if (QueryForJolt()) { DebugOut(" Success!\n"); bMidiOutFound = TRUE; *pCOMMPort = MIDI_Ports[i]; break; } else DebugOut(" No Answer\n"); } } return (bMidiOutFound); }
// *** ---------------------------------------------------------------------***
// Function: QueryForJolt
// Purpose: Sends Shutdown and Queries for Shutdown status bit
// Parameters: none
// Returns: BOOL TRUE if Jolt found, else FALSE
//
// Comments: SHUTDOWN is destructive!!!
//
// *** ---------------------------------------------------------------------***
BOOL CJoltMidi::QueryForJolt(void) { HRESULT hRet;
// Send Shutdown command then detect if Shutdown Detect bit is set
SWDEVICESTATE SWDeviceState = {sizeof(SWDEVICESTATE)}; for (int i=0;i<MAX_RETRY_COUNT;i++) { // Send a ShutDown, then check for response
MidiSendShortMsg((SYSTEM_CMD|DEFAULT_MIDI_CHANNEL), SWDEV_SHUTDOWN, 0); Sleep(DelayParamsPtrOf()->dwShutdownDelay); // 10 ms
if (SUCCESS == (hRet=GetJoltStatus(&SWDeviceState))) break; } Sleep(DelayParamsPtrOf()->dwDigitalOverdrivePrechargeCmdDelay); // Clear the Previous state and turn on tri-state buffers
LOCAL_PRODUCT_ID ProductID = {sizeof LOCAL_PRODUCT_ID }; hRet = GetJoltID(&ProductID); if (SUCCESS != hRet) { #ifdef _DEBUG
DebugOut("QueryForJolt: Driver Error. Get Jolt Status/ID\n"); #endif
return (FALSE); } if (SWDeviceState.m_ShutdownDetect) return (TRUE); else return (FALSE); }
// *** ---------------------------------------------------------------------***
// Function: MidiSendShortMsg
// Purpose: Send status, channel and data.
// Parameters:
// BYTE cStatus - MIDI status byte for this message
// BYTE cData1 - MIDI data byte for this message
// BYTE cData2 - 2nd MIDI data byte for this message (may be 0)
// Returns: HRESULT
//
// *** ---------------------------------------------------------------------***
HRESULT CJoltMidi::MidiSendShortMsg( IN BYTE cStatus, IN BYTE cData1, IN BYTE cData2) { //
// --- THIS IS A CRITICAL SECTION
//
CriticalLock cl;
DWORD dwMsg; HRESULT hRet = SUCCESS; // For diagnostics, record the attempts at this message
BumpShortMsgCounter();
if ((m_COMMInterface == COMM_WINMM) && (NULL == m_MidiOutInfo.hMidiOut)) { DebugOut("SW_EFFECT: No Midi Out Devs opened\r\n "); ASSUME_NOT_REACHED(); return (SFERR_DRIVER_ERROR); }
// pack the message and send it
dwMsg = MAKEMIDISHORTMSG(cStatus, m_MidiChannel, cData1, cData2); if (COMM_WINMM == m_COMMInterface) { // Clear the Event Callback
BOOL bRet = ResetEvent(m_hMidiOutputEvent);
// send the message only if valid Handle
if (SUCCESS == ValidateMidiHandle()) { hRet = midiOutShortMsg(m_MidiOutInfo.hMidiOut, dwMsg); } else { return (SFERR_DRIVER_ERROR); } if (SUCCESS != hRet) hRet = SFERR_DRIVER_ERROR; } else { hRet = g_pDriverCommunicator->SendBackdoorShortMidi(dwMsg); } // --- END OF CRITICAL SECTION
//
return (hRet); }
// *** ---------------------------------------------------------------------***
// Function: MidiSendLongMsg
// Purpose: Send system exclusive message or series of short messages.
// Parameters:
// none - assumes m_pMidiOutInfo structure is valid
//
// Returns:
//
//
// *** ---------------------------------------------------------------------***
HRESULT CJoltMidi::MidiSendLongMsg(void) { //
// --- THIS IS A CRITICAL SECTION
//
CriticalLock cl;
if (NULL == g_pJoltMidi) return (SFERR_DRIVER_ERROR); HRESULT hRet = SUCCESS; // For diagnostics, record the attempts at this message
BumpLongMsgCounter();
if (m_MidiOutInfo.uDeviceType != MIDI_OUT) { #ifdef _DEBUG
MessageBox(NULL, "Must use a MIDI output device", "MidiSendLongMsg", MB_ICONSTOP); #endif
return (SFERR_DRIVER_ERROR); }
if (COMM_WINMM == m_COMMInterface) { // Clear the Event Callback
BOOL bRet = ResetEvent(m_hMidiOutputEvent);
// send the long message only if valid Handle
if (SUCCESS == ValidateMidiHandle()) hRet = midiOutLongMsg(m_MidiOutInfo.hMidiOut, &(m_MidiOutInfo.MidiHdr), sizeof(MIDIHDR)); else { return (SFERR_DRIVER_ERROR); }
if (SUCCESS == hRet) m_MidiOutInfo.uDeviceStatus = MIDI_DEVICE_BUSY; else { if (m_MidiOutInfo.MidiHdr.dwFlags != MHDR_DONE) { // abort the current message
hRet = midiOutReset(m_MidiOutInfo.hMidiOut); // set the device status because buffer(s) have been marked as
// done and returned to the application
if (SUCCESS == hRet) m_MidiOutInfo.uDeviceStatus = MIDI_DEVICE_ABANDONED; } else // tried to abort but the operation was already complete
m_MidiOutInfo.uDeviceStatus = MIDI_DEVICE_IDLE; } if (SUCCESS != hRet) hRet = (SFERR_DRIVER_ERROR); } else { hRet = g_pDriverCommunicator->SendBackdoorLongMidi(PBYTE(m_MidiOutInfo.MidiHdr.lpData)); } Sleep(g_pJoltMidi->DelayParamsPtrOf()->dwLongMsgDelay);
// --- END OF CRITICAL SECTION
//
return (hRet); }
// *** ---------------------------------------------------------------------***
// Function: ValidateMidiHandle
// Purpose: Validates Midi handle and reopens if necessary
// Parameters:
// none - assumes m_pMidiOutInfo structure is valid
//
// Returns:
//
//
// *** ---------------------------------------------------------------------***
HRESULT CJoltMidi::ValidateMidiHandle(void) { HRESULT hRet = SUCCESS; UINT dwID; if (MMSYSERR_INVALHANDLE == midiOutGetID(m_MidiOutInfo.hMidiOut, &dwID)) { #ifdef _DEBUG
DebugOut("CJoltMidi::MidiValidateHandle - Midi Handle invalid. Re-opening...\n"); #endif
// Clear old global handle and Re-open Midi channel
// ***** Shared Memory Access *****
LockSharedMemory(); m_pSharedMemory->m_hMidiOut = NULL; UnlockSharedMemory(); // ***** End of Shared Memory Access *****
hRet = OpenOutput(m_MidiOutInfo.uDeviceID); } return (hRet); }
// *** ---------------------------------------------------------------------***
// Function: MidiAssignBuffer
// Purpose: Assign lpData and dwBufferLength members and prepare the
// MIDIHDR. Also add the buffer if it is an input buffer.
// If the third parameter is false, unprepare and reinitialize
// the header.
// Parameters:
// LPSTR lpData - address of buffer, NULL if cleaning up
// DWORD dwBufferLength - buffer size in bytes
// BOOL fAssign - TRUE = Assign, FALSE = cleanup
//
// Returns: SUCCESS or SFERR_DRIVER_ERROR
//
// Note: assumes m_pMidiOutInfo structure is valid
//
// *** ---------------------------------------------------------------------***
HRESULT CJoltMidi::MidiAssignBuffer( LPSTR lpData, // address of buffer, NULL if cleaning up
DWORD dwBufferLength, // size of buffer in bytes, 0L if cleaning up
BOOL fAssign) // TRUE = assign, FALSE = cleanup
{ //
// --- THIS IS A CRITICAL SECTION
//
CriticalLock cl; #ifdef _DEBUG
DebugOut("MidiAssignBuffer:\n"); #endif
HRESULT hRet = SUCCESS; if (m_MidiOutInfo.uDeviceType == MIDI_OUT) { if ((COMM_WINMM == m_COMMInterface) && !m_MidiOutInfo.hMidiOut) { if (!fAssign && m_MidiOutInfo.uDeviceStatus == MIDI_DEVICE_ABANDONED) { // clear the device status
m_MidiOutInfo.uDeviceStatus = MIDI_DEVICE_IDLE;
// don't return an error for this case because if the user aborts
// the transmission of a long message before it completes the
// buffers will be marked as done and returned to the application,
// just as when recording successfully completes. So it is ok
// for this function to be called (with fAssign = FALSE) when
// hMidiIn = 0, as long as uDeviceStatus = MIDI_DEVICE_ABANDONED.
return (SUCCESS); } else { // all other cases are an application error
#ifdef _DEBUG
MessageBox(NULL, "Must open MIDI output device first", "MidiAssignBuffer", MB_ICONSTOP); #endif
// because this failed call might result in an input or output
// device being reset (if the application is written to do so),
// an MM_MOM_DONE or MM_MIM_LONGDATA message could be sent to
// the application. This might result in an additional call to
// this routine, so set the device status to prevent another
// error message
m_MidiOutInfo.uDeviceStatus = MIDI_DEVICE_ABANDONED; return (SFERR_DRIVER_ERROR); } } } else { #ifdef _DEBUG
DebugOut("\r\nMidiAssignBuffer: uDeviceType bad"); #endif
return (SFERR_INVALID_PARAM); }
if (fAssign) { // check for the buffer's address and size
if (!lpData || !dwBufferLength) { #ifdef _DEBUG
MessageBox(NULL, "Must specify a buffer and size", "MidiAssignBuffer", MB_ICONSTOP); #endif
return (SFERR_INVALID_PARAM); } // assign buffer to the MIDIHDR
m_MidiOutInfo.MidiHdr.lpData = lpData; m_MidiOutInfo.MidiHdr.dwBufferLength = dwBufferLength; m_MidiOutInfo.MidiHdr.dwBytesRecorded = dwBufferLength;
if (COMM_WINMM == m_COMMInterface) { // prepare the MIDIHDR
m_MidiOutInfo.MidiHdr.dwFlags = 0; hRet = midiOutPrepareHeader(m_MidiOutInfo.hMidiOut, &(m_MidiOutInfo.MidiHdr), sizeof(MIDIHDR)); } } else { // unprepare the MIDIHDR
if (COMM_WINMM == m_COMMInterface) { if ((m_MidiOutInfo.MidiHdr.dwFlags & MHDR_DONE) != MHDR_DONE) { //hRet = midiOutReset(m_MidiOutInfo.hMidiOut);
} if (SUCCESS == hRet) { hRet = midiOutUnprepareHeader(m_MidiOutInfo.hMidiOut, &(m_MidiOutInfo.MidiHdr), sizeof(MIDIHDR)); } } else hRet = SUCCESS;
if (SUCCESS == hRet) { // reinitialize MIDIHDR to guard against casual re-use
m_MidiOutInfo.MidiHdr.lpData = NULL; m_MidiOutInfo.MidiHdr.dwBufferLength = 0; m_MidiOutInfo.MidiHdr.dwBytesRecorded = 0; // clear the device status
m_MidiOutInfo.uDeviceStatus = MIDI_DEVICE_IDLE; } }
if (SUCCESS != hRet) hRet = SFERR_DRIVER_ERROR; #ifdef _DEBUG
wsprintf(g_cMsg, "Returning from MidiAssignBuffer: %lx\n", hRet); #endif
// --- END OF CRITICAL SECTION
//
return (hRet); }
// ****************************************************************************
// *** --- Helper functions for CJoltMidi
//
// ****************************************************************************
//
#define REGSTR_VAL_FIRMWARE_PARAMS "FirmwareParams"
void GetFirmwareParams(UINT nJoystickID, PFIRMWARE_PARAMS pFirmwareParams) { BOOL bFail = FALSE;
// try to open the registry key
HKEY hKey; DWORD dwcb = sizeof(FIRMWARE_PARAMS); LONG lr; hKey = joyOpenOEMForceFeedbackKey(nJoystickID); if(!hKey) bFail = TRUE;
if (!bFail) { // Get Firmware Parameters
lr = RegQueryValueEx( hKey, REGSTR_VAL_FIRMWARE_PARAMS, NULL, NULL, (PBYTE)pFirmwareParams, &dwcb);
RegCloseKey(hKey); if (lr != ERROR_SUCCESS) bFail = TRUE; }
if(bFail) { // if reading from the registry fails, just use the defaults
pFirmwareParams->dwScaleKx = DEF_SCALE_KX; pFirmwareParams->dwScaleKy = DEF_SCALE_KY; pFirmwareParams->dwScaleBx = DEF_SCALE_BX; pFirmwareParams->dwScaleBy = DEF_SCALE_BY; pFirmwareParams->dwScaleMx = DEF_SCALE_MX; pFirmwareParams->dwScaleMy = DEF_SCALE_MY; pFirmwareParams->dwScaleFx = DEF_SCALE_FX; pFirmwareParams->dwScaleFy = DEF_SCALE_FY; pFirmwareParams->dwScaleW = DEF_SCALE_W; } }
#define REGSTR_VAL_SYSTEM_PARAMS "SystemParams"
void GetSystemParams(UINT nJoystickID, PSYSTEM_PARAMS pSystemParams) { BOOL bFail = FALSE;
// try to open the registry key
HKEY hKey; DWORD dwcb = sizeof(SYSTEM_PARAMS); LONG lr; hKey = joyOpenOEMForceFeedbackKey(nJoystickID); if(!hKey) bFail = TRUE;
if (!bFail) { // Get Firmware Parameters
lr = RegQueryValueEx( hKey, REGSTR_VAL_SYSTEM_PARAMS, NULL, NULL, (PBYTE)pSystemParams, &dwcb);
// scale them
pSystemParams->RTCSpringParam.m_XKConstant /= SCALE_CONSTANTS; pSystemParams->RTCSpringParam.m_YKConstant /= SCALE_CONSTANTS; pSystemParams->RTCSpringParam.m_XAxisCenter /= SCALE_POSITION; pSystemParams->RTCSpringParam.m_YAxisCenter = -pSystemParams->RTCSpringParam.m_YAxisCenter/SCALE_POSITION; pSystemParams->RTCSpringParam.m_XSaturation /= SCALE_POSITION; pSystemParams->RTCSpringParam.m_YSaturation /= SCALE_POSITION; pSystemParams->RTCSpringParam.m_XDeadBand /= SCALE_POSITION; pSystemParams->RTCSpringParam.m_YDeadBand /= SCALE_POSITION;
RegCloseKey(hKey); if (lr != ERROR_SUCCESS) bFail = TRUE; }
if(bFail) { // if reading from the registry fails, just use the defaults
pSystemParams->RTCSpringParam.m_Bytes = sizeof(RTCSPRING_PARAM); pSystemParams->RTCSpringParam.m_XKConstant = DEFAULT_RTC_KX; pSystemParams->RTCSpringParam.m_YKConstant = DEFAULT_RTC_KY; pSystemParams->RTCSpringParam.m_XAxisCenter = DEFAULT_RTC_X0; pSystemParams->RTCSpringParam.m_YAxisCenter = DEFAULT_RTC_Y0; pSystemParams->RTCSpringParam.m_XSaturation = DEFAULT_RTC_XSAT; pSystemParams->RTCSpringParam.m_YSaturation = DEFAULT_RTC_YSAT; pSystemParams->RTCSpringParam.m_XDeadBand = DEFAULT_RTC_XDBAND; pSystemParams->RTCSpringParam.m_YDeadBand = DEFAULT_RTC_YDBAND; } }
#define REGSTR_VAL_DELAY_PARAMS "TimingParams"
void GetDelayParams(UINT nJoystickID, PDELAY_PARAMS pDelayParams) { BOOL bFail = FALSE;
// try to open the registry key
HKEY hKey; DWORD dwcb = sizeof(DELAY_PARAMS); LONG lr; hKey = joyOpenOEMForceFeedbackKey(nJoystickID); if(!hKey) bFail = TRUE;
if (!bFail) { // Get Firmware Parameters
lr = RegQueryValueEx( hKey, REGSTR_VAL_DELAY_PARAMS, NULL, NULL, (PBYTE)pDelayParams, &dwcb);
RegCloseKey(hKey); if (lr != ERROR_SUCCESS) bFail = TRUE; }
if(bFail) { // if reading from the registry fails, just use the defaults
pDelayParams->dwBytes = sizeof(DELAY_PARAMS); pDelayParams->dwDigitalOverdrivePrechargeCmdDelay = DEFAULT_DIGITAL_OVERDRIVE_PRECHARGE_CMD_DELAY; pDelayParams->dwShutdownDelay = DEFAULT_SHUTDOWN_DELAY; pDelayParams->dwHWResetDelay = DEFAULT_HWRESET_DELAY; pDelayParams->dwPostSetDeviceStateDelay = DEFAULT_POST_SET_DEVICE_STATE_DELAY; pDelayParams->dwGetEffectStatusDelay = DEFAULT_GET_EFFECT_STATUS_DELAY; pDelayParams->dwGetDataPacketDelay = DEFAULT_GET_DATA_PACKET_DELAY; pDelayParams->dwGetStatusPacketDelay = DEFAULT_GET_STATUS_PACKET_DELAY; pDelayParams->dwGetIDPacketDelay = DEFAULT_GET_ID_PACKET_DELAY; pDelayParams->dwGetStatusGateDataDelay = DEFAULT_GET_STATUS_GATE_DATA_DELAY; pDelayParams->dwSetIndexDelay = DEFAULT_SET_INDEX_DELAY; pDelayParams->dwModifyParamDelay = DEFAULT_MODIFY_PARAM_DELAY; pDelayParams->dwForceOutDelay = DEFAULT_FORCE_OUT_DELAY; pDelayParams->dwShortMsgDelay = DEFAULT_SHORT_MSG_DELAY; pDelayParams->dwLongMsgDelay = DEFAULT_LONG_MSG_DELAY; pDelayParams->dwDestroyEffectDelay = DEFAULT_DESTROY_EFFECT_DELAY; pDelayParams->dwForceOutMod = DEFAULT_FORCE_OUT_MOD;
// write the defaults to the registry
hKey = joyOpenOEMForceFeedbackKey(nJoystickID); if(hKey) { // Modify Registry Values
RegSetValueEx ( hKey, REGSTR_VAL_DELAY_PARAMS, 0, REG_BINARY, (const unsigned char *)pDelayParams, sizeof(DELAY_PARAMS) );
// Close Key
RegCloseKey(hKey); }
} if(pDelayParams->dwForceOutMod == 0) pDelayParams->dwForceOutMod = 1; }
#define REGSTR_VAL_JOYSTICK_PARAMS "JoystickParams"
void GetJoystickParams(UINT nJoystickID, PJOYSTICK_PARAMS pJoystickParams) { BOOL bFail = FALSE;
// try to open the registry key
HKEY hKey; DWORD dwcb = sizeof(JOYSTICK_PARAMS); LONG lr; hKey = joyOpenOEMForceFeedbackKey(nJoystickID); if(!hKey) bFail = TRUE;
if (!bFail) { // Get Firmware Parameters
lr = RegQueryValueEx( hKey, REGSTR_VAL_JOYSTICK_PARAMS, NULL, NULL, (PBYTE)pJoystickParams, &dwcb);
RegCloseKey(hKey); if (lr != ERROR_SUCCESS) bFail = TRUE; }
if(bFail) { // if reading from the registry fails, just use the defaults
pJoystickParams->dwXYConst = DEF_XY_CONST; pJoystickParams->dwRotConst = DEF_ROT_CONST; pJoystickParams->dwSldrConst = DEF_SLDR_CONST; pJoystickParams->dwAJPos = DEF_AJ_POS; pJoystickParams->dwAJRot = DEF_AJ_ROT; pJoystickParams->dwAJSldr = DEF_AJ_SLDR; pJoystickParams->dwSprScl = DEF_SPR_SCL; pJoystickParams->dwBmpScl = DEF_BMP_SCL; pJoystickParams->dwDmpScl = DEF_DMP_SCL; pJoystickParams->dwInertScl = DEF_INERT_SCL; pJoystickParams->dwVelOffScl = DEF_VEL_OFFSET_SCL; pJoystickParams->dwAccOffScl = DEF_ACC_OFFSET_SCL; pJoystickParams->dwYMotBoost = DEF_Y_MOT_BOOST; pJoystickParams->dwXMotSat = DEF_X_MOT_SATURATION; pJoystickParams->dwReserved = 0; pJoystickParams->dwMasterGain = 0; } }
void UpdateJoystickParams(PJOYSTICK_PARAMS pJoystickParams) { // modify the Joystick Params by modifying the SYSTEM_EFFECT_ID
// note that some parameters must be divided by 2 before being sent
// Jolt will multiply by 2 to restore to original
CMD_ModifyParamByIndex(INDEX0, SYSTEM_EFFECT_ID, ((WORD)(pJoystickParams->dwXYConst))/2); CMD_ModifyParamByIndex(INDEX1, SYSTEM_EFFECT_ID, ((WORD)(pJoystickParams->dwRotConst))/2); CMD_ModifyParamByIndex(INDEX2, SYSTEM_EFFECT_ID, (WORD)(pJoystickParams->dwSldrConst)); CMD_ModifyParamByIndex(INDEX3, SYSTEM_EFFECT_ID, (WORD)(pJoystickParams->dwAJPos)); CMD_ModifyParamByIndex(INDEX4, SYSTEM_EFFECT_ID, (WORD)(pJoystickParams->dwAJRot)); CMD_ModifyParamByIndex(INDEX5, SYSTEM_EFFECT_ID, (WORD)(pJoystickParams->dwAJSldr)); CMD_ModifyParamByIndex(INDEX6, SYSTEM_EFFECT_ID, (WORD)(pJoystickParams->dwSprScl)); CMD_ModifyParamByIndex(INDEX7, SYSTEM_EFFECT_ID, (WORD)(pJoystickParams->dwBmpScl)); CMD_ModifyParamByIndex(INDEX8, SYSTEM_EFFECT_ID, (WORD)(pJoystickParams->dwDmpScl)); CMD_ModifyParamByIndex(INDEX9, SYSTEM_EFFECT_ID, (WORD)(pJoystickParams->dwInertScl)); CMD_ModifyParamByIndex(INDEX10, SYSTEM_EFFECT_ID, (WORD)(pJoystickParams->dwVelOffScl)); CMD_ModifyParamByIndex(INDEX11, SYSTEM_EFFECT_ID, (WORD)(pJoystickParams->dwAccOffScl)); CMD_ModifyParamByIndex(INDEX12, SYSTEM_EFFECT_ID, ((WORD)(pJoystickParams->dwYMotBoost))/2); CMD_ModifyParamByIndex(INDEX13, SYSTEM_EFFECT_ID, (WORD)(pJoystickParams->dwXMotSat)); }
// ****************************************************************************
// *** --- Member functions for base class CMidiEffect
//
// ****************************************************************************
//
// ----------------------------------------------------------------------------
// Function: CMidiEffect::CMidiEffect
// Purpose: Constructor(s)/Destructor for CMidiEffect Object
// Parameters:
// Returns:
// Algorithm:
// ----------------------------------------------------------------------------
CMidiEffect::CMidiEffect(IN ULONG ulButtonPlayMask) { m_bSysExCmd = SYS_EX_CMD; // SysEx Fx command
m_bEscManufID = 0; // Escape to long Manufac. ID, s/b 0
m_bManufIDL = (MS_MANUFACTURER_ID & 0x7f); // Low byte
m_bManufIDH = ((MS_MANUFACTURER_ID >> 8) & 0x7f); // High byte
m_bProdID = JOLT_PRODUCT_ID; // Product ID
m_bAxisMask = X_AXIS|Y_AXIS; m_bEffectID = NEW_EFFECT_ID; // Default to indicate create NEW
Effect.bDurationL = 1; // in 2ms increments
Effect.bDurationH = 0; // in 2ms increments
Effect.bAngleL = 0; // 0 to 359 degrees
Effect.bAngleH = 0; Effect.bGain = (BYTE) 100; // 1 to 100 %
Effect.bButtonPlayL = (BYTE) ulButtonPlayMask & 0x7f; Effect.bButtonPlayH = (BYTE) ((ulButtonPlayMask >> 7) & 0x03);// Button 1- 9
Effect.bForceOutRateL= DEFAULT_JOLT_FORCE_RATE; // 1 to 500 Hz
Effect.bForceOutRateH=0; Effect.bPercentL = (BYTE) ((DEFAULT_PERCENT) & 0x7f); Effect.bPercentH = (BYTE) ((DEFAULT_PERCENT >> 7 ) & 0x7f); m_LoopCount = 1; // Default
SetPlayMode(PLAY_STORE); // Default
}
// ----------------------------------------------------------------------------
// Function: CMidiEffect::CMidiEffect
// Purpose: Constructor(s)/Destructor for CMidiEffect Object
// Parameters:
// Returns:
// Algorithm:
// ----------------------------------------------------------------------------
CMidiEffect::CMidiEffect( IN PEFFECT pEffect, IN PENVELOPE pEnvelope) { m_bSysExCmd = SYS_EX_CMD; // SysEx Fx command
m_bEscManufID = 0; // Escape to long Manufac. ID, s/b 0
m_bManufIDL = (MS_MANUFACTURER_ID & 0x7f); // Low byte
m_bManufIDH = ((MS_MANUFACTURER_ID >> 8) & 0x7f); // High byte
m_bProdID = JOLT_PRODUCT_ID; // Product ID
m_bAxisMask = X_AXIS|Y_AXIS; m_OpCode = DNLOAD_DATA | X_AXIS|Y_AXIS; // Subcommand opcode:DNLOAD_DATA
m_bEffectID = NEW_EFFECT_ID; // Default to indicate create NEW
SetDuration(pEffect->m_Duration); Effect.bDurationL = (BYTE) (m_Duration & 0x7f); // in 2ms increments
Effect.bDurationH = (BYTE) ((m_Duration >> 7 ) & 0x7f); // in 2ms increments
Effect.bAngleL = (BYTE) (pEffect->m_DirectionAngle2D & 0x7f); // 0 to 359 degrees
Effect.bAngleH = (BYTE) ((pEffect->m_DirectionAngle2D >> 7 ) & 0x7f); Effect.bGain = (BYTE) (pEffect->m_Gain & 0x7f); // 1 to 100 %
Effect.bButtonPlayL = (BYTE) (pEffect->m_ButtonPlayMask & 0x7f); Effect.bButtonPlayH = (BYTE) ((pEffect->m_ButtonPlayMask >> 7) & 0x03);// Button 1- 9
Effect.bForceOutRateL=(BYTE) (pEffect->m_ForceOutputRate & 0x7f); // 1 to 500 Hz
Effect.bForceOutRateH=(BYTE) ((pEffect->m_ForceOutputRate >> 7 ) & 0x03); Effect.bPercentL = (BYTE) ((DEFAULT_PERCENT) & 0x7f); Effect.bPercentH = (BYTE) ((DEFAULT_PERCENT >> 7 ) & 0x7f); m_LoopCount = 1; // Default
SetPlayMode(PLAY_STORE); // Default
// Set Envelope members
if (pEnvelope) { m_Envelope.m_Type = pEnvelope->m_Type; m_Envelope.m_Attack = pEnvelope->m_Attack; m_Envelope.m_Sustain = pEnvelope->m_Sustain; m_Envelope.m_Decay = pEnvelope->m_Decay; m_Envelope.m_StartAmp = (ULONG) (pEnvelope->m_StartAmp); m_Envelope.m_SustainAmp = (ULONG) (pEnvelope->m_SustainAmp); m_Envelope.m_EndAmp = (ULONG) (pEnvelope->m_EndAmp); }
// save the original effect params
m_OriginalEffectParam = *pEffect; }
// --- Destructor
CMidiEffect::~CMidiEffect() { memset(this, 0, sizeof(CMidiEffect)); }
// ----------------------------------------------------------------------------
// Function: CMidiEffect::SetDuration
// Purpose: Sets the Duration member
// Parameters: ULONG ulArg - the duration
// Returns:
// Algorithm:
// ----------------------------------------------------------------------------
void CMidiEffect::SetDuration(ULONG ulArg) { if (ulArg != 0) { ulArg = (ULONG) ( (float) ulArg/TICKRATE); if (ulArg <= 0) ulArg = 1; } m_Duration = ulArg; }
// ----------------------------------------------------------------------------
// Function: CMidiEffect::SetTotalDuration
// Purpose: Modifies the Effect.bDurationL/H parameter for Loop Counts
// Parameters: none
//
// Returns: Effect.bDurationL/H is filled with total duration
// Algorithm:
// Notes: Percentage is 1 to 10000
// Total Duration = ((Percentage of waveform)/10000) * Duration * Loop Count
// Example: Loop count of 1, the Percentage of waveform =10000,
// Total Duration = (10000/10000) * 1 * Duration
//
// ----------------------------------------------------------------------------
void CMidiEffect::SetTotalDuration(void) { ULONG ulPercent = Effect.bPercentL + ((USHORT)Effect.bPercentH << 7); ULONG ulTotalDuration = (ULONG) (((float) ulPercent/10000.0) * (float) m_LoopCount * (float) m_Duration ); Effect.bDurationL = (BYTE) ulTotalDuration & 0x7f; Effect.bDurationH = (BYTE) (ulTotalDuration >> 7) & 0x7f; }
// ----------------------------------------------------------------------------
// Function: CMidiEffect::ComputeEnvelope
// Purpose: Computes the Envelope for the Effect, Loopcount in consideration
// Parameters: none
// Returns: none
// Algorithm:
//For our standard PERCENTAGE Envelope, set the following as default:
//m_Type = PERCENTAGE
//
// Baseline is (m_MaxAmp + m_MinAmp)/2
// m_StartAmp = 0
// m_SustainAmp = Effect.m_MaxAmp - baseline
// m_EndAmp = m_StartAmp;
// where: baseline = (Effect.m_MaxAmp + Effect.m_MinAmp)/2;
// ----------------------------------------------------------------------------
void CMidiEffect::ComputeEnvelope(void) { ULONG ulTimeToSustain; ULONG ulTimeToDecay;
//REVIEW: TIME vs PERCENTAGE option
if (PERCENTAGE == m_Envelope.m_Type) { ULONG ulPercent = Effect.bPercentL + ((USHORT)Effect.bPercentH << 7); ULONG ulTotalDuration = (ULONG) (((float) ulPercent/10000.0) * (float) m_LoopCount * (float) m_Duration ); ulTimeToSustain = (ULONG) ((m_Envelope.m_Attack * ulTotalDuration) /100.); ulTimeToDecay = (ULONG) ((m_Envelope.m_Attack + m_Envelope.m_Sustain) * ulTotalDuration /100.); } else // TIME option envelope
{ ulTimeToSustain = (ULONG) (m_Envelope.m_Attack); ulTimeToDecay = (ULONG) (m_Envelope.m_Attack + m_Envelope.m_Sustain); ulTimeToSustain = (ULONG) ( (float) ulTimeToSustain/TICKRATE); ulTimeToDecay = (ULONG) ( (float) ulTimeToDecay/TICKRATE);
} Envelope.bAttackLevel = (BYTE) (m_Envelope.m_StartAmp & 0x7f); Envelope.bSustainLevel = (BYTE) (m_Envelope.m_SustainAmp & 0x7f); Envelope.bDecayLevel = (BYTE) (m_Envelope.m_EndAmp & 0x7f);
Envelope.bSustainL = (BYTE) (ulTimeToSustain & 0x7f); Envelope.bSustainH = (BYTE) ((ulTimeToSustain >> 7) & 0x7f); Envelope.bDecayL = (BYTE) (ulTimeToDecay & 0x7f); Envelope.bDecayH = (BYTE) ((ulTimeToDecay >> 7) & 0x7f); }
// ----------------------------------------------------------------------------
// Function: CMidiEffect::SubTypeOf
// Purpose: Returns the SubType for the Effect
// Parameters: none
// Returns: ULONG - DirectEffect style SubType
// Algorithm:
// ----------------------------------------------------------------------------
ULONG CMidiEffect::SubTypeOf(void) { static EFFECT_TYPE EffectTypes[] = { {BE_SPRING , ET_BE_SPRING}, {BE_SPRING_2D , ET_BE_SPRING}, {BE_DAMPER , ET_BE_DAMPER}, {BE_DAMPER_2D , ET_BE_DAMPER}, {BE_INERTIA , ET_BE_INERTIA}, {BE_INERTIA_2D , ET_BE_INERTIA}, {BE_FRICTION , ET_BE_FRICTION}, {BE_FRICTION_2D , ET_BE_FRICTION}, {BE_WALL , ET_BE_WALL}, {BE_DELAY , ET_BE_DELAY}, {SE_CONSTANT_FORCE , ET_SE_CONSTANT_FORCE}, {SE_SINE , ET_SE_SINE}, {SE_COSINE , ET_SE_COSINE}, {SE_SQUARELOW , ET_SE_SQUARELOW}, {SE_SQUAREHIGH , ET_SE_SQUAREHIGH}, {SE_RAMPUP , ET_SE_RAMPUP}, {SE_RAMPDOWN , ET_SE_RAMPDOWN}, {SE_TRIANGLEUP , ET_SE_TRIANGLEUP}, {SE_TRIANGLEDOWN , ET_SE_TRIANGLEDOWN}, {SE_SAWTOOTHUP , ET_SE_SAWTOOTHUP}, {SE_SAWTOOTHDOWN , ET_SE_SAWTOOTHDOWN}, {PL_CONCATENATE , ET_PL_CONCATENATE}, {PL_SUPERIMPOSE , ET_PL_SUPERIMPOSE}, {RE_ROMID1 , ET_RE_ROMID1 }, {RE_ROMID2 , ET_RE_ROMID2 }, {RE_ROMID3 , ET_RE_ROMID3 }, {RE_ROMID4 , ET_RE_ROMID4 }, {RE_ROMID5 , ET_RE_ROMID5 }, {RE_ROMID6 , ET_RE_ROMID6 }, {RE_ROMID7 , ET_RE_ROMID7 }, {RE_ROMID8 , ET_RE_ROMID8 }, {RE_ROMID9 , ET_RE_ROMID9 }, {RE_ROMID10 , ET_RE_ROMID10 }, {RE_ROMID11 , ET_RE_ROMID11 }, {RE_ROMID12 , ET_RE_ROMID12 }, {RE_ROMID13 , ET_RE_ROMID13 }, {RE_ROMID14 , ET_RE_ROMID14 }, {RE_ROMID15 , ET_RE_ROMID15 }, {RE_ROMID16 , ET_RE_ROMID16 }, {RE_ROMID17 , ET_RE_ROMID17 }, {RE_ROMID18 , ET_RE_ROMID18 }, {RE_ROMID19 , ET_RE_ROMID19 }, {RE_ROMID20 , ET_RE_ROMID20 }, {RE_ROMID21 , ET_RE_ROMID21 }, {RE_ROMID22 , ET_RE_ROMID22 }, {RE_ROMID23 , ET_RE_ROMID23 }, {RE_ROMID24 , ET_RE_ROMID24 }, {RE_ROMID25 , ET_RE_ROMID25 }, {RE_ROMID26 , ET_RE_ROMID26 }, {RE_ROMID27 , ET_RE_ROMID27 }, {RE_ROMID28 , ET_RE_ROMID28 }, {RE_ROMID29 , ET_RE_ROMID29 }, {RE_ROMID30 , ET_RE_ROMID30 }, {RE_ROMID31 , ET_RE_ROMID31 }, {RE_ROMID32 , ET_RE_ROMID32 }};
int nNumEffectTypes = sizeof(EffectTypes)/(sizeof(EFFECT_TYPE)); for (int i=0; i<nNumEffectTypes; i++) { if (m_SubType == EffectTypes[i].bDeviceSubType) return EffectTypes[i].ulHostSubType; } return (NULL); }
// ----------------------------------------------------------------------------
// Function: CMidiEffect::SubTypeOf
// Purpose: Sets the SubType for the Effect
// Parameters: ULONG - DirectEffect style SubType
// Returns: none
// Algorithm:
// ----------------------------------------------------------------------------
void CMidiEffect::SetSubType(ULONG ulSubType) { static EFFECT_TYPE EffectTypes[] = { {BE_SPRING , ET_BE_SPRING}, {BE_SPRING_2D , ET_BE_SPRING}, {BE_DAMPER , ET_BE_DAMPER}, {BE_DAMPER_2D , ET_BE_DAMPER}, {BE_INERTIA , ET_BE_INERTIA}, {BE_INERTIA_2D , ET_BE_INERTIA}, {BE_FRICTION , ET_BE_FRICTION}, {BE_FRICTION_2D , ET_BE_FRICTION}, {BE_WALL , ET_BE_WALL}, {BE_DELAY , ET_BE_DELAY}, {SE_CONSTANT_FORCE , ET_SE_CONSTANT_FORCE}, {SE_SINE , ET_SE_SINE}, {SE_COSINE , ET_SE_COSINE}, {SE_SQUARELOW , ET_SE_SQUARELOW}, {SE_SQUAREHIGH , ET_SE_SQUAREHIGH}, {SE_RAMPUP , ET_SE_RAMPUP}, {SE_RAMPDOWN , ET_SE_RAMPDOWN}, {SE_TRIANGLEUP , ET_SE_TRIANGLEUP}, {SE_TRIANGLEDOWN , ET_SE_TRIANGLEDOWN}, {SE_SAWTOOTHUP , ET_SE_SAWTOOTHUP}, {SE_SAWTOOTHDOWN , ET_SE_SAWTOOTHDOWN}, {PL_CONCATENATE , ET_PL_CONCATENATE}, {PL_SUPERIMPOSE , ET_PL_SUPERIMPOSE}, {RE_ROMID1 , ET_RE_ROMID1 }, {RE_ROMID2 , ET_RE_ROMID2 }, {RE_ROMID3 , ET_RE_ROMID3 }, {RE_ROMID4 , ET_RE_ROMID4 }, {RE_ROMID5 , ET_RE_ROMID5 }, {RE_ROMID6 , ET_RE_ROMID6 }, {RE_ROMID7 , ET_RE_ROMID7 }, {RE_ROMID8 , ET_RE_ROMID8 }, {RE_ROMID9 , ET_RE_ROMID9 }, {RE_ROMID10 , ET_RE_ROMID10 }, {RE_ROMID11 , ET_RE_ROMID11 }, {RE_ROMID12 , ET_RE_ROMID12 }, {RE_ROMID13 , ET_RE_ROMID13 }, {RE_ROMID14 , ET_RE_ROMID14 }, {RE_ROMID15 , ET_RE_ROMID15 }, {RE_ROMID16 , ET_RE_ROMID16 }, {RE_ROMID17 , ET_RE_ROMID17 }, {RE_ROMID18 , ET_RE_ROMID18 }, {RE_ROMID19 , ET_RE_ROMID19 }, {RE_ROMID20 , ET_RE_ROMID20 }, {RE_ROMID21 , ET_RE_ROMID21 }, {RE_ROMID22 , ET_RE_ROMID22 }, {RE_ROMID23 , ET_RE_ROMID23 }, {RE_ROMID24 , ET_RE_ROMID24 }, {RE_ROMID25 , ET_RE_ROMID25 }, {RE_ROMID26 , ET_RE_ROMID26 }, {RE_ROMID27 , ET_RE_ROMID27 }, {RE_ROMID28 , ET_RE_ROMID28 }, {RE_ROMID29 , ET_RE_ROMID29 }, {RE_ROMID30 , ET_RE_ROMID30 }, {RE_ROMID31 , ET_RE_ROMID31 }, {RE_ROMID32 , ET_RE_ROMID32 }};
int nNumEffectTypes = sizeof(EffectTypes)/(sizeof(EFFECT_TYPE)); for (int i=0; i<nNumEffectTypes; i++) { if (ulSubType == EffectTypes[i].ulHostSubType) { m_SubType = EffectTypes[i].bDeviceSubType; return; } } m_SubType = NULL; }
// ----------------------------------------------------------------------------
// Function: CMidiEffect::ComputeChecksum
// Purpose: Computes current checksum in the m_pBuffer
// Parameters: none
// Returns: Midi packet block is checksummed
// Algorithm:
// ----------------------------------------------------------------------------
BYTE CMidiEffect::ComputeChecksum(PBYTE pBuffer, int nBufferSize) { assert(pBuffer); int nStart = sizeof(SYS_EX_HDR); PBYTE pBytePacket = pBuffer; pBytePacket += nStart; BYTE nSum = 0; // Checksum only the bytes in the "Body" and s/b 7 bit checksum.
for (int i=nStart;i < (nBufferSize-2);i++) { nSum += *pBytePacket; pBytePacket++; } return ((-nSum) & 0x7f); }
// ----------------------------------------------------------------------------
// Function: CMidiEffect::SendPacket
// Purpose: Sends the SYS_EX Packet
// Parameters: PDNHANDLE pDnloadID - Pointer to DnloadID
// int nPacketSize - Size of SysEx packet
//
// Returns: *pDnloadID is filled.
// else Error code
// Algorithm:
// ----------------------------------------------------------------------------
HRESULT CMidiEffect::SendPacket(PDNHANDLE pDnloadID, int nPacketSize) { //
// --- THIS IS A CRITICAL SECTION
//
CriticalLock cl;
HRESULT hRet = SUCCESS; if (NULL == g_pJoltMidi) return (SFERR_DRIVER_ERROR); // Prepare the buffer for SysEx output
hRet = g_pJoltMidi->MidiAssignBuffer((LPSTR) m_pBuffer, (DWORD) nPacketSize, TRUE);
assert(SUCCESS == hRet); if (SUCCESS != hRet) { return (hRet); }
ACKNACK AckNack = {sizeof(ACKNACK)}; for(int i=0; i<MAX_RETRY_COUNT; i++) { g_pJoltMidi->BumpLongMsgCounter(); // Send the message and Wait for the ACK + Download ID
hRet = g_pJoltMidi->MidiSendLongMsg(); assert(SUCCESS == hRet); if (SUCCESS != hRet) { #ifdef _DEBUG
OutputDebugString("SendPacket Error: MidiSendLongMsg()\n"); #endif
// Release the Midi buffers and Return
g_pJoltMidi->MidiAssignBuffer((LPSTR) m_pBuffer, 0, FALSE); return (hRet); }
// Wait for ACK. Note: WinMM has callback Event notification
// while Backdoor and serial does not.
if (COMM_WINMM == g_pJoltMidi->COMMInterfaceOf()) { hRet = g_pJoltMidi->GetAckNackData(10, &AckNack, REGBITS_DOWNLOADEFFECT); } else // Serial or Backdoor
{ if ((COMM_SERIAL_FILE == g_pJoltMidi->COMMInterfaceOf()) || (COMM_SERIAL_BACKDOOR == g_pJoltMidi->COMMInterfaceOf())) { hRet = g_pJoltMidi->GetAckNackData(LONG_MSG_TIMEOUT, &AckNack, REGBITS_DOWNLOADEFFECT); } else // Backdoor, hopefully to keep Jeff(Mr. Performance '97) happy
{ hRet = g_pJoltMidi->GetAckNackData(SHORT_MSG_TIMEOUT, &AckNack, REGBITS_DOWNLOADEFFECT); } } // :
#ifdef _DEBUG
if (SUCCESS!=hRet) OutputDebugString("Error getting ACKNACK data\n"); if (ACK != AckNack.dwAckNack) g_pJoltMidi->LogError(SFERR_DEVICE_NACK, AckNack.dwErrorCode); #endif
// NOTE: Special check for Device-Full because in certain circumstances
// (e.g. create multiple ROM effects after STOP_ALL command), retries of
// creation will succeed even though device is full
if (ACK == AckNack.dwAckNack || (NACK == AckNack.dwAckNack && AckNack.dwErrorCode == DEV_ERR_TYPE_FULL)) break; // ******
}
// Release the Midi buffers
g_pJoltMidi->MidiAssignBuffer((LPSTR) m_pBuffer, 0, FALSE); if (SUCCEEDED(hRet) && (ACK == AckNack.dwAckNack)) { // Store in Device ID List Array
// First we need to generate a new Effect ID if necessary
if (NEW_EFFECT_ID == m_bEffectID) { DNHANDLE DnloadID; if (g_pJoltMidi->NewEffectID(&DnloadID)) // Successful ID created
{ m_bEffectID = (BYTE) DnloadID; *pDnloadID = DnloadID; g_pJoltMidi->SetEffectByID((BYTE) *pDnloadID, this); } } } else // Failure of some sort
{ if(NACK == AckNack.dwAckNack) { g_pJoltMidi->BumpNACKCounter(); switch (AckNack.dwErrorCode) { case DEV_ERR_TYPE_FULL: case DEV_ERR_PROCESS_LIST_FULL: case DEV_ERR_PLAYLIST_FULL: hRet = g_pJoltMidi->LogError(SFERR_FFDEVICE_MEMORY, AckNack.dwErrorCode); break; default: case DEV_ERR_INVALID_PARAM: case DEV_ERR_CHECKSUM: case DEV_ERR_UNKNOWN_CMD: case DEV_ERR_INVALID_ID: hRet = g_pJoltMidi->LogError(SFERR_DEVICE_NACK, AckNack.dwErrorCode); break; } } }
// --- END OF CRITICAL SECTION
//
return (hRet); }
// ----------------------------------------------------------------------------
// Function: CMidiEffect::DestroyEffect
// Purpose: Sends the SYS_EX Packet
// Parameters: PDNHANDLE pDnloadID - Pointer to DnloadID
// int nPacketSize - Size of SysEx packet
//
// Returns: *pDnloadID is filled.
// else Error code
// Algorithm:
// ----------------------------------------------------------------------------
HRESULT CMidiEffect::DestroyEffect() { HRESULT hRet; if (NULL == g_pJoltMidi) return (SFERR_DRIVER_ERROR); hRet = g_pJoltMidi->MidiSendShortMsg(EFFECT_CMD,DESTROY_EFFECT,EffectIDOf()); if(!FAILED(hRet)) g_pJoltMidi->SetEffectByID(EffectIDOf(), NULL);
Sleep(g_pJoltMidi->DelayParamsPtrOf()->dwDestroyEffectDelay);
return hRet; }
// ****************************************************************************
// *** --- Member functions for derived class CMidiBehavioral
//
// ****************************************************************************
//
// ----------------------------------------------------------------------------
// Function: CMidiBehavioral::CMidiBehavioral
// Purpose: Constructor(s)/Destructor for CMidiBehavioral Object
// Parameters:
// Returns:
// Algorithm:
// ----------------------------------------------------------------------------
CMidiBehavioral::CMidiBehavioral(PEFFECT pEffect, PENVELOPE pEnvelope, PBE_XXX pBE_XXX):CMidiEffect(pEffect, NULL) { SetSubType(pEffect->m_SubType); SetXConstant(pBE_XXX->m_XConstant); SetYConstant(pBE_XXX->m_YConstant); SetParam3(pBE_XXX->m_Param3); SetParam4(pBE_XXX->m_Param4); m_MidiBufferSize = sizeof(BEHAVIORAL_SYS_EX); }
// --- Destructor
CMidiBehavioral::~CMidiBehavioral() { memset(this, 0, sizeof(CMidiBehavioral)); }
// ----------------------------------------------------------------------------
// Function: CMidiBehavioral::SetEffect
// Purpose: Sets the common MIDI_EFFECT parameters
// Parameters: PEFFECT pEffect
// Returns: none
// Algorithm:
// ----------------------------------------------------------------------------
void CMidiBehavioral::SetEffectParams(PEFFECT pEffect, PBE_XXX pBE_XXX) { // Set the MIDI_EFFECT parameters
SetDuration(pEffect->m_Duration); SetButtonPlaymask(pEffect->m_ButtonPlayMask); SetAxisMask(X_AXIS|Y_AXIS); SetDirectionAngle(pEffect->m_DirectionAngle2D); SetGain((BYTE) (pEffect->m_Gain)); SetForceOutRate(pEffect->m_ForceOutputRate);
Effect.bPercentL = (BYTE) (DEFAULT_PERCENT & 0x7f); Effect.bPercentH = (BYTE) ((DEFAULT_PERCENT >> 7) & 0x7f); // set the type specific parameters for BE_XXX
SetXConstant(pBE_XXX->m_XConstant); SetYConstant(pBE_XXX->m_YConstant); SetParam3(pBE_XXX->m_Param3); SetParam4(pBE_XXX->m_Param4); }
// ----------------------------------------------------------------------------
// Function: CMidiBehavioral::GenerateSysExPacket
// Purpose: Builds the SysEx packet into the pBuf
// Parameters: none
// Returns: PBYTE - pointer to a buffer filled with SysEx Packet
// Algorithm:
// ----------------------------------------------------------------------------
PBYTE CMidiBehavioral::GenerateSysExPacket(void) { if (NULL == g_pJoltMidi) return ((PBYTE) NULL); PBYTE pSysExBuffer = g_pJoltMidi->PrimaryBufferPtrOf(); assert(pSysExBuffer); // Copy SysEx Header + m_OpCode + m_SubType
memcpy(pSysExBuffer, &m_bSysExCmd, sizeof(SYS_EX_HDR)+2 ); PBEHAVIORAL_SYS_EX pBuf = (PBEHAVIORAL_SYS_EX) pSysExBuffer;
SetTotalDuration(); // Compute total with Loop count parameter
pBuf->bDurationL = (BYTE) (Effect.bDurationL & 0x7f); pBuf->bDurationH = (BYTE) (Effect.bDurationH & 0x7f); pBuf->bButtonPlayL = (BYTE) (Effect.bButtonPlayL & 0x7f); pBuf->bButtonPlayH = (BYTE) (Effect.bButtonPlayH & 0x7f);
// Behavioral params
LONG XConstant = (LONG) (XConstantOf() * MAX_SCALE); LONG YConstant = (LONG) (YConstantOf() * MAX_SCALE); pBuf->bXConstantL = (BYTE) XConstant & 0x7f; pBuf->bXConstantH = (BYTE) (XConstant >> 7 ) & 0x01; pBuf->bYConstantL = (BYTE) YConstant & 0x7f; pBuf->bYConstantH = (BYTE) (YConstant >> 7 ) & 0x01;
LONG Param3 = (LONG) (Param3Of() * MAX_SCALE); LONG Param4 = (LONG) (Param4Of() * MAX_SCALE); pBuf->bParam3L = (BYTE) Param3 & 0x7f; pBuf->bParam3H = (BYTE) (Param3 >> 7 ) & 0x01; pBuf->bParam4L = (BYTE) Param4 & 0x7f; pBuf->bParam4H = (BYTE) (Param4 >> 7 ) & 0x01; pBuf->bEffectID = m_bEffectID;
pBuf->bChecksum = ComputeChecksum((PBYTE) pSysExBuffer, sizeof(BEHAVIORAL_SYS_EX)); pBuf->bEOX = MIDI_EOX; return ((PBYTE) pSysExBuffer); }
// ****************************************************************************
// *** --- Member functions for derived class CMidiFriction
//
// ****************************************************************************
//
// ----------------------------------------------------------------------------
// Function: CMidiFriction::CMidiFriction
// Purpose: Constructor(s)/Destructor for CMidiFriction Object
// Parameters:
// Returns:
// Algorithm:
// ----------------------------------------------------------------------------
CMidiFriction::CMidiFriction(PEFFECT pEffect, PENVELOPE pEnvelope, PBE_XXX pBE_XXX):CMidiBehavioral(pEffect, NULL, pBE_XXX) { m_MidiBufferSize = sizeof(FRICTION_SYS_EX); }
// --- Destructor
CMidiFriction::~CMidiFriction() { memset(this, 0, sizeof(CMidiFriction)); }
// ----------------------------------------------------------------------------
// Function: CMidiFriction::GenerateSysExPacket
// Purpose: Builds the SysEx packet into the pBuf
// Parameters: none
// Returns: PBYTE - pointer to a buffer filled with SysEx Packet
// Algorithm:
// ----------------------------------------------------------------------------
PBYTE CMidiFriction::GenerateSysExPacket(void) { if (NULL == g_pJoltMidi) return ((PBYTE) NULL); PBYTE pSysExBuffer = g_pJoltMidi->PrimaryBufferPtrOf(); assert(pSysExBuffer); // Copy SysEx Header + m_OpCode + m_SubType
memcpy(pSysExBuffer, &m_bSysExCmd, sizeof(SYS_EX_HDR)+2 ); PFRICTION_SYS_EX pBuf = (PFRICTION_SYS_EX) pSysExBuffer;
SetTotalDuration(); // Compute total with Loop count parameter
pBuf->bDurationL = (BYTE) (Effect.bDurationL & 0x7f); pBuf->bDurationH = (BYTE) (Effect.bDurationH & 0x7f); pBuf->bButtonPlayL = (BYTE) (Effect.bButtonPlayL & 0x7f); pBuf->bButtonPlayH = (BYTE) (Effect.bButtonPlayH & 0x7f);
// BE_FRICTION params
LONG XConstant = (LONG) (XConstantOf() * MAX_SCALE); LONG YConstant = (LONG) (YConstantOf() * MAX_SCALE); pBuf->bXFConstantL = (BYTE) XConstant & 0x7f; pBuf->bXFConstantH = (BYTE) (XConstant >> 7 ) & 0x01; pBuf->bYFConstantL = (BYTE) YConstant & 0x7f; pBuf->bYFConstantH = (BYTE) (YConstant >> 7 ) & 0x01; pBuf->bEffectID = m_bEffectID; pBuf->bChecksum = ComputeChecksum((PBYTE) pSysExBuffer, sizeof(FRICTION_SYS_EX)); pBuf->bEOX = MIDI_EOX; return ((PBYTE) pSysExBuffer); }
// ****************************************************************************
// *** --- Member functions for derived class CMidiWall
//
// ****************************************************************************
//
// ----------------------------------------------------------------------------
// Function: CMidiWall::CMidiWall
// Purpose: Constructor(s)/Destructor for CMidiWall Object
// Parameters:
// Returns:
// Algorithm:
// ----------------------------------------------------------------------------
CMidiWall::CMidiWall(PEFFECT pEffect, PENVELOPE pEnvelope, PBE_XXX pBE_XXX):CMidiBehavioral(pEffect, NULL, pBE_XXX) { m_MidiBufferSize = sizeof(WALL_SYS_EX); }
// --- Destructor
CMidiWall::~CMidiWall() { memset(this, 0, sizeof(CMidiWall)); }
// ----------------------------------------------------------------------------
// Function: CMidiWall::GenerateSysExPacket
// Purpose: Builds the SysEx packet into the pBuf
// Parameters: none
// Returns: PBYTE - pointer to a buffer filled with SysEx Packet
// Algorithm:
// ----------------------------------------------------------------------------
PBYTE CMidiWall::GenerateSysExPacket(void) { if (NULL == g_pJoltMidi) return ((PBYTE) NULL); PBYTE pSysExBuffer = g_pJoltMidi->PrimaryBufferPtrOf(); assert(pSysExBuffer); // Copy SysEx Header + m_OpCode + m_SubType
memcpy(pSysExBuffer, &m_bSysExCmd, sizeof(SYS_EX_HDR)+2 ); PWALL_SYS_EX pBuf = (PWALL_SYS_EX) pSysExBuffer;
SetTotalDuration(); // Compute total with Loop count parameter
pBuf->bDurationL = (BYTE) (Effect.bDurationL & 0x7f); pBuf->bDurationH = (BYTE) (Effect.bDurationH & 0x7f); pBuf->bButtonPlayL = (BYTE) (Effect.bButtonPlayL & 0x7f); pBuf->bButtonPlayH = (BYTE) (Effect.bButtonPlayH & 0x7f);
// BE_WALL params
LONG WallType = (LONG) (XConstantOf()); LONG WallConstant = (LONG) (YConstantOf() * MAX_SCALE); LONG WallAngle = (LONG) Param3Of(); LONG WallDistance = (LONG) (Param4Of() * MAX_SCALE);
pBuf->bWallType = (BYTE) (WallType & 0x01); pBuf->bWallConstantL = (BYTE) (WallConstant & 0x7f); pBuf->bWallConstantH = (BYTE) ((WallConstant >> 7 ) & 0x01); //+/-100
pBuf->bWallAngleL = (BYTE) (WallAngle & 0x7f); // 0 to 359
pBuf->bWallAngleH = (BYTE) ((WallAngle >> 7 ) & 0x03); pBuf->bWallDistance = (BYTE) (WallDistance & 0x7f); pBuf->bEffectID = m_bEffectID;
pBuf->bChecksum = ComputeChecksum((PBYTE) pSysExBuffer, sizeof(WALL_SYS_EX)); pBuf->bEOX = MIDI_EOX; return ((PBYTE) pSysExBuffer); }
// ****************************************************************************
// *** --- Member functions for derived class CMidiRTCSpring
//
// ****************************************************************************
//
// ----------------------------------------------------------------------------
// Function: CMidiRTCSpring::CMidiRTCSpring
// Purpose: Constructor(s)/Destructor for CMidiRTCSpring Object
// Parameters:
// Returns:
// Algorithm:
// ----------------------------------------------------------------------------
CMidiRTCSpring::CMidiRTCSpring(PRTCSPRING_PARAM pRTCSpring):CMidiEffect(NULL) { memcpy(&m_RTCSPRINGParam, pRTCSpring, sizeof(RTCSPRING_PARAM)); }
// --- Destructor
CMidiRTCSpring::~CMidiRTCSpring() { memset(this, 0, sizeof(CMidiRTCSpring)); }
// ----------------------------------------------------------------------------
// Function: CMidiRTCSpring::SetEffectParams
// Purpose: Sets parameters
// Parameters:
// Returns:
// Algorithm:
// ----------------------------------------------------------------------------
void CMidiRTCSpring::SetEffectParams(PRTCSPRING_PARAM pRTCSpring) { memcpy(&m_RTCSPRINGParam, pRTCSpring, sizeof(RTCSPRING_PARAM)); }
// ----------------------------------------------------------------------------
// Function: CMidiRTCSpring::GenerateSysExPacket
// Purpose: virtual
// Parameters: none
// Returns:
// Algorithm:
// ----------------------------------------------------------------------------
PBYTE CMidiRTCSpring::GenerateSysExPacket(void) { return (NULL); }
// ****************************************************************************
// *** --- Member functions for derived class CMidiDelay
//
// ****************************************************************************
//
// ----------------------------------------------------------------------------
// Function: CMidiDelay::CMidiDelay
// Purpose: Constructor(s)/Destructor for CMidiDelay Object
// Parameters:
// Returns:
// Algorithm:
// ----------------------------------------------------------------------------
CMidiDelay::CMidiDelay(PEFFECT pEffect) : CMidiEffect(pEffect, NULL) { m_SubType = ET_BE_DELAY; // BE Effect Type: BE_DELAY
m_OpCode = DNLOAD_DATA | X_AXIS|Y_AXIS | PLAY_SUPERIMPOSE; m_MidiBufferSize = sizeof(NOP_SYS_EX); }
// --- Destructor
CMidiDelay::~CMidiDelay() { memset(this, 0, sizeof(CMidiDelay)); }
// ----------------------------------------------------------------------------
// Function: CMidiDelay::GenerateSysExPacket
// Purpose: Builds the SysEx packet into the pBuf
// Parameters: none
// Returns: PBYTE - pointer to a buffer filled with SysEx Packet
// Algorithm:
// ----------------------------------------------------------------------------
PBYTE CMidiDelay::GenerateSysExPacket(void) { if (NULL == g_pJoltMidi) return ((PBYTE) NULL); PBYTE pSysExBuffer = g_pJoltMidi->PrimaryBufferPtrOf(); assert(pSysExBuffer); // Copy SysEx Header + m_OpCode + m_SubType
memcpy(pSysExBuffer, &m_bSysExCmd, sizeof(SYS_EX_HDR)+2 ); PNOP_SYS_EX pBuf = (PNOP_SYS_EX) pSysExBuffer;
pBuf->bEffectID = m_bEffectID; SetTotalDuration(); // Compute total with Loop count parameter
pBuf->bDurationL = (BYTE) (Effect.bDurationL & 0x7f); pBuf->bDurationH = (BYTE) (Effect.bDurationH & 0x7f); pBuf->bChecksum = ComputeChecksum((PBYTE) pSysExBuffer, sizeof(NOP_SYS_EX)); pBuf->bEOX = MIDI_EOX; return ((PBYTE) pSysExBuffer); }
// ****************************************************************************
// *** --- Member functions for derived class CMidiSynthesized
//
// ****************************************************************************
//
// ----------------------------------------------------------------------------
// Function: CMidiSynthesized::CMidiSynthesized
// Purpose: Constructor(s)/Destructor for CMidiSynthesized Object
// Parameters:
// Returns:
// Algorithm:
// ----------------------------------------------------------------------------
CMidiSynthesized::CMidiSynthesized(PEFFECT pEffect, PENVELOPE pEnvelope, PSE_PARAM pParam ) : CMidiEffect(pEffect, pEnvelope) { SetSubType(pEffect->m_SubType); // SE Effect Type
// Effect.bForceOutRateL= (BYTE) pParam->m_SampleRate & 0x7f; // 1 to 500 Hz
// Effect.bForceOutRateH= (BYTE) ((pParam->m_SampleRate >> 7) & 0x3);
Effect.bPercentL = (BYTE) (DEFAULT_PERCENT & 0x7f); Effect.bPercentH = (BYTE) ((DEFAULT_PERCENT >> 7) & 0x7f);
m_Freq = pParam->m_Freq; // Frequency
m_MaxAmp = pParam->m_MaxAmp; // Maximum Amplitude
// Special case a SE_CONSTANT_FORCE
if (SE_CONSTANT_FORCE == pEffect->m_SubType) m_MinAmp = 0; else m_MinAmp = pParam->m_MinAmp; // Minimum Amplitude
m_MidiBufferSize = sizeof(SE_WAVEFORM_SYS_EX); }
// --- Destructor
CMidiSynthesized::~CMidiSynthesized() { memset(this, 0, sizeof(CMidiSynthesized)); }
// ----------------------------------------------------------------------------
// Function: CMidiSynthesized::SetEffect
// Purpose: Sets the common MIDI_EFFECT parameters
// Parameters: PEFFECT pEffect
// Returns: none
// Algorithm:
// ----------------------------------------------------------------------------
void CMidiSynthesized::SetEffectParams(PEFFECT pEffect, PSE_PARAM pParam, ULONG ulAction) { // Set the MIDI_EFFECT parameters
SetDuration(pEffect->m_Duration); SetButtonPlaymask(pEffect->m_ButtonPlayMask); SetAxisMask(X_AXIS|Y_AXIS); SetDirectionAngle(pEffect->m_DirectionAngle2D); SetGain((BYTE) (pEffect->m_Gain)); SetForceOutRate(pEffect->m_ForceOutputRate);
//Set the loop count from HIWORD of ulAction
m_LoopCount = (ulAction >> 16) & 0xffff; if (0 == m_LoopCount) m_LoopCount++;
Effect.bPercentL = (BYTE) (DEFAULT_PERCENT & 0x7f); Effect.bPercentH = (BYTE) ((DEFAULT_PERCENT >> 7) & 0x7f); // set the type specific parameters for SE_xxx
m_Freq = pParam->m_Freq; m_MaxAmp = pParam->m_MaxAmp; m_MinAmp = pParam->m_MinAmp; }
// ----------------------------------------------------------------------------
// Function: CMidiSynthesized::GenerateSysExPacket
// Purpose: Builds the SysEx packet into the pBuf
// Parameters: none
// Returns: PBYTE - pointer to a buffer filled with SysEx Packet
// Algorithm:
// ----------------------------------------------------------------------------
PBYTE CMidiSynthesized::GenerateSysExPacket(void) { if (NULL == g_pJoltMidi) return ((PBYTE) NULL); PBYTE pSysExBuffer = g_pJoltMidi->PrimaryBufferPtrOf(); assert(pSysExBuffer);
// Compute total with Loop count parameter, Note: Envelope parameters are
// adjusted according to the Loop Count parameter, if affected.
SetTotalDuration(); ComputeEnvelope();
// Copy SysEx Header + m_OpCode + m_SubType + m_bEffectID + MIDI_EFFECT
// + MIDI_ENVELOPE
memcpy(pSysExBuffer,&m_bSysExCmd, (sizeof(SYS_EX_HDR)+3+sizeof(MIDI_EFFECT)+ sizeof(MIDI_ENVELOPE)) );
PSE_WAVEFORM_SYS_EX pBuf = (PSE_WAVEFORM_SYS_EX) pSysExBuffer; // Scale the gain, and Envelope amplitudes
pBuf->Effect.bGain = (BYTE) (pBuf->Effect.bGain * MAX_SCALE) & 0x7f; pBuf->Envelope.bAttackLevel = (BYTE) (pBuf->Envelope.bAttackLevel * MAX_SCALE) & 0x7f; pBuf->Envelope.bSustainLevel = (BYTE) (pBuf->Envelope.bSustainLevel * MAX_SCALE) & 0x7f; pBuf->Envelope.bDecayLevel = (BYTE) (pBuf->Envelope.bDecayLevel * MAX_SCALE) & 0x7f;
// Copy the SE specific parameters
LONG MaxAmp = (LONG) (m_MaxAmp * MAX_SCALE); LONG MinAmp = (LONG) (m_MinAmp * MAX_SCALE); pBuf->bFreqL = (BYTE) (m_Freq & 0x7f); pBuf->bFreqH = (BYTE) ((m_Freq >> 7 ) & 0x03); // 1 to 500
pBuf->bMaxAmpL = (BYTE) (MaxAmp & 0x7f); pBuf->bMaxAmpH = (BYTE) ((MaxAmp >> 7 ) &0x01); // +127 to -128
pBuf->bMinAmpL = (BYTE) (MinAmp & 0x7f); pBuf->bMinAmpH = (BYTE) ((MinAmp >> 7 ) & 0x01);
pBuf->bChecksum = ComputeChecksum((PBYTE) pSysExBuffer, sizeof(SE_WAVEFORM_SYS_EX)); pBuf->bEOX = MIDI_EOX; return ((PBYTE) pSysExBuffer); }
// ****************************************************************************
// *** --- Member functions for derived class CUD_Waveform
//
// ****************************************************************************
//
// ----------------------------------------------------------------------------
// Function: CUD_Waveform::CUD_Waveform
// Purpose: Constructor(s)/Destructor for CUD_Waveform Object
// Parameters:
// Returns:
// Algorithm:
// ----------------------------------------------------------------------------
CMidiUD_Waveform::CMidiUD_Waveform(PEFFECT pEffect, ULONG ulNumVectors, PLONG pArray) : CMidiEffect(pEffect, NULL), m_pRawData(NULL) { m_OpCode = DNLOAD_DATA | X_AXIS|Y_AXIS;// Sub-command opcode: DNLOAD_DATA
m_SubType = ET_UD_WAVEFORM; // Effect Type: UD_WAVEFORM
assert(pArray); // Create the buffer to hold the waveform data, compress it,
// then copy to this object
// The buffer size is initially set to the number of uncompressed vectors
// x 2 bytes, for worse-case Absolute data
// Once the buffer is compressed, the actual size is determined
// Also, create a temp copy so that the original unscaled data is not
// affected.
// Set a fixed maximum size
DWORD nSize = MAX_MIDI_WAVEFORM_DATA_SIZE + 2; m_pArrayData = new BYTE[nSize]; // m_pRawData = new BYTE [nSize*2];
assert(m_pArrayData);
ULONG NewForceRate; m_MidiBufferSize = SetTypeParams(ulNumVectors, pArray, &NewForceRate);
// Copy structures to object
memcpy(&m_Effect.m_Bytes, pEffect, sizeof(EFFECT)); SetForceOutRate(NewForceRate); m_Effect.m_Gain = m_Effect.m_Gain & 0x7f; m_Effect.m_Duration = (ULONG) ((float) (m_Effect.m_Duration / TICKRATE)); m_Duration = m_Effect.m_Duration; }
// --- Destructor
CMidiUD_Waveform::~CMidiUD_Waveform() { if (m_pArrayData) delete [] m_pArrayData; memset(this, 0, sizeof(CMidiUD_Waveform)); }
// ----------------------------------------------------------------------------
// Function: CMidiUD_Waveform::SetEffectParams
// Purpose: Sets the Effect specific parameters
// Parameters: PEFFECT pEffect
// Returns:
// Algorithm:
// ----------------------------------------------------------------------------
void CMidiUD_Waveform::SetEffectParams(PEFFECT pEffect) { // Set the MIDI_EFFECT parameters
SetButtonPlaymask(pEffect->m_ButtonPlayMask); SetAxisMask(X_AXIS|Y_AXIS); SetDirectionAngle(pEffect->m_DirectionAngle2D); SetGain((BYTE) (pEffect->m_Gain)); SetForceOutRate(pEffect->m_ForceOutputRate); }
// ----------------------------------------------------------------------------
// Function: CMidiUD_Waveform::SetTypeParams
// Purpose: Sets the type specific parameters
// Parameters: int nSize - size of the array
// PLONG pArray - Pointer to an ARRAY of force values
//
// Returns: MidiBuffer size for the packet
// Algorithm:
// ----------------------------------------------------------------------------
int CMidiUD_Waveform::SetTypeParams(int nSize, PLONG pArray, ULONG *pNewRate) { // Compress the buffer data then copy to this object
// The buffer size is initially set to the number of uncompressed vectors
// x 2 bytes, for worse-case Absolute data
// Once the buffer is compressed, the actual size is determined
// Also, create a temp copy so that the original unscaled data is not
// affected.
m_NumberOfVectors = 0;
m_pRawData = new BYTE [nSize*2];
if (m_pRawData != NULL) { // Convert to -128 to +127
for (int i=0; i<nSize; i++) { m_pRawData[i] = (BYTE) ((LONG) (pArray[i] * MAX_SCALE)); }
m_NumberOfVectors = CompressWaveform(&m_pRawData[0], m_pArrayData, nSize, pNewRate); assert(m_NumberOfVectors <= (MAX_MIDI_WAVEFORM_DATA_SIZE)); delete [] m_pRawData; m_pRawData = 0; } if (0 == m_NumberOfVectors) // No room!
return (0); m_MidiBufferSize = (m_NumberOfVectors + sizeof(UD_WAVEFORM_SYS_EX) + 2); return (m_MidiBufferSize); }
// ----------------------------------------------------------------------------
// Function: CMidiUD_Waveform::CompressWaveform
// Purpose: Builds the SysEx packet into the pBuf
// Parameters: PBYTE pSrcArray - Source Array pointer
// PBYTE pDestArray - Dest. Array Pointer
// int nSize - Size in Bytes of the Source Array
//
// Returns: int - Size of the compressed Array (in bytes)
// Algorithm:
// To "compress" we need to fit the entire waveform into 98 points (there is a
// FW bug that limits us to 100 points only, and we need at least two samples
// for the starting Absolute mode point.
// 1. Determine how many points over 98.
// nSrcSize: Total sample size
// nMaxSamples: Maximum samples to squeeze into = 98
// nOver: nSrcSize - nMaxSamples
// nSkipSample: # of points to keep before skipping one
// = nSrcSize/nOver
// while ( Sample is less than nSrcSize, bump index)
// {
// if ( (index % nSkipSample) == 0) // no remainder
// {
// index++ // bump to skip the next sample
// }
// Compress the data
// }
//
// ----------------------------------------------------------------------------
int CMidiUD_Waveform::CompressWaveform( IN PBYTE pSrcArray, IN OUT PBYTE pDestArray, IN int nSrcSize, OUT ULONG *pNewForceRate) { assert(pSrcArray && pDestArray); LONG nDifference;
// 8 bits (-128 to +127) Starting Absolute Data Value
pDestArray[0] = pSrcArray[0] & 0x3f; pDestArray[1] = (pSrcArray[0] >> 6) & 0x03;
// int nMaxSamples = MAX_MIDI_WAVEFORM_DATA_SIZE;
int nSkipSample, nSrcIndex, nDestIndex; int nAbsolute = 0; int nRelative = 0; //
// Start with Finest Resolution, then reduce until # of Samples <= nMaxSamples
//
nSkipSample = nSrcSize; while (TRUE) { nSrcIndex = 0; // 1st sample already accounted for
nDestIndex = 2; #ifdef _DEBUG
g_CriticalSection.Enter(); wsprintf(g_cMsg,"nSkipSample=%d\n",nSkipSample); DebugOut(g_cMsg); g_CriticalSection.Leave(); #endif
while (nSrcIndex < nSrcSize) { nSrcIndex++; if (0 == (nSrcIndex % nSkipSample)) { nSrcIndex++; // Skip next one
nDifference = ((char) pSrcArray[nSrcIndex]) - ((char) pSrcArray[nSrcIndex-2]); } else nDifference = ((char) pSrcArray[nSrcIndex]) - ((char) pSrcArray[nSrcIndex-1]);
// make sure we do not write outside of array bounds
if(nDestIndex > MAX_MIDI_WAVEFORM_DATA_SIZE) break;
if (abs(nDifference) < DIFFERENCE_THRESHOLD) { pDestArray[nDestIndex] = (BYTE)((nDifference & 0x3f) | DIFFERENCE_BIT); nDestIndex++; nRelative++; } else // Switch to Absolute Data (8 bits)
{ pDestArray[nDestIndex] = pSrcArray[nSrcIndex] & 0x3f; pDestArray[nDestIndex+1] = (pSrcArray[nSrcIndex] >> 6) & 0x3; nDestIndex = nDestIndex+2; nAbsolute++; } } if (nDestIndex <= MAX_MIDI_WAVEFORM_DATA_SIZE) break; // Reduce the resolution
if (nSkipSample < 8) nSkipSample--; else nSkipSample = nSkipSample/2; if (1 == nSkipSample) return (0); // Sorry charlie, no room!
nAbsolute = 0; nRelative = 0; }
// Done
ULONG ulOriginalForceRate = ForceOutRateOf(); // *pNewForceRate = (ulOriginalForceRate - (ULONG) (ulOriginalForceRate * ((float) nSkipSample / (float) nSrcSize)))/nSkipSample;
*pNewForceRate = (ULONG) ((1.0f - (1.0f/nSkipSample)) * ulOriginalForceRate);
#ifdef _DEBUG
g_CriticalSection.Enter(); wsprintf(g_cMsg, "CompressWaveform: nSrcSize=%d, nSkipSample=%d, NewForceRate=%d\n", nSrcSize, nSkipSample, *pNewForceRate); DebugOut(g_cMsg); wsprintf(g_cMsg,"\nTotal Absolute Data:%d, Relative Data:%d", nAbsolute, nRelative); DebugOut(g_cMsg); g_CriticalSection.Leave(); #endif
#ifdef _SHOWCOMPRESS
#pragma message("Compiling with SHOWCOMPRESS")
g_CriticalSection.Enter(); DebugOut("CMidiUD_Waveform::CompressWaveform(..) \npSrcArray Dump (Decimal)\n"); for (int i=0; i<nSrcSize; i++) { wsprintf(g_cMsg," %0.4ld",((char) pSrcArray[i])); DebugOut(g_cMsg); } DebugOut("\npDestArray Dump (HEX)\n");
for (i=0; i<nDestIndex; i++) { wsprintf(g_cMsg," %0.4x",pDestArray[i]); DebugOut(g_cMsg); } g_CriticalSection.Leave(); #endif
return (nDestIndex); }
// ----------------------------------------------------------------------------
// Function: CMidiUD_Waveform::GenerateSysExPacket
// Purpose: Builds the SysEx packet into the pBuf
// Parameters: none
// Returns: PBYTE - pointer to a buffer filled with SysEx Packet
// Algorithm:
// ----------------------------------------------------------------------------
PBYTE CMidiUD_Waveform::GenerateSysExPacket(void) { if (NULL == g_pJoltMidi) return ((PBYTE) NULL); PBYTE pSysExBuffer = g_pJoltMidi->PrimaryBufferPtrOf(); assert(pSysExBuffer); // Copy SysEx Header + m_OpCode + m_SubType
memcpy(pSysExBuffer, &m_bSysExCmd, sizeof(SYS_EX_HDR)+2 ); PUD_WAVEFORM_SYS_EX pBuf = (PUD_WAVEFORM_SYS_EX) pSysExBuffer;
SetTotalDuration(); // Compute total with Loop count parameter
pBuf->Effect.bDurationL = (BYTE) (m_Duration & 0x7f); pBuf->Effect.bDurationH = (BYTE) (m_Duration >> 7) & 0x7f; pBuf->Effect.bAngleL = Effect.bAngleL & 0x7f; pBuf->Effect.bAngleH = Effect.bAngleH & 0x7f; pBuf->Effect.bGain = (BYTE) (Effect.bGain * MAX_SCALE) & 0x7f; pBuf->Effect.bButtonPlayL = Effect.bButtonPlayL & 0x7f; pBuf->Effect.bButtonPlayH = Effect.bButtonPlayH & 0x7f; pBuf->Effect.bForceOutRateL = Effect.bForceOutRateL & 0x7f; pBuf->Effect.bForceOutRateH = Effect.bForceOutRateH & 0x7f; pBuf->Effect.bPercentL = Effect.bPercentL & 0x7f; pBuf->Effect.bPercentH = Effect.bPercentH & 0x7f;
// Fill in the Array Data
PBYTE pArray = ((PBYTE) pBuf) + UD_WAVEFORM_START_OFFSET; memcpy(pArray, m_pArrayData, m_NumberOfVectors); // Already scaled!
pBuf->bEffectID = m_bEffectID; int nArraySize = (m_NumberOfVectors + sizeof(UD_WAVEFORM_SYS_EX)); pSysExBuffer[nArraySize] = 0; pSysExBuffer[nArraySize+1] = 0; pSysExBuffer[nArraySize] = ComputeChecksum((PBYTE) pSysExBuffer, (nArraySize+2)); pSysExBuffer[nArraySize+1]= MIDI_EOX; return ((PBYTE) pSysExBuffer); }
// ****************************************************************************
// *** --- Member functions for derived class CMidiProcessList
//
// ****************************************************************************
//
// ----------------------------------------------------------------------------
// Function: CMidiProcessList::CMidiProcessList
// Purpose: Constructor(s)/Destructor for CMidiProcessList Object
// Parameters:
// Returns:
// Algorithm:
// ----------------------------------------------------------------------------
CMidiProcessList::CMidiProcessList(ULONG ulButtonPlayMask, PPLIST pParam) : CMidiEffect(ulButtonPlayMask) { m_OpCode = PROCESS_DATA | X_AXIS|Y_AXIS; // Subcommand opcode:PROCESS_DATA
m_NumEffects = pParam->ulNumEffects; if (m_NumEffects > MAX_PLIST_EFFECT_SIZE) m_NumEffects = MAX_PLIST_EFFECT_SIZE; assert(m_NumEffects > 0 && m_NumEffects <= MAX_PLIST_EFFECT_SIZE);
m_ProcessMode = pParam->ulProcessMode; m_pEffectArray = new BYTE [m_NumEffects];
if (m_pEffectArray != NULL) { for (int i=0; i< (int) m_NumEffects; i++) { m_pEffectArray[i] = (BYTE) (pParam->pEffectArray)[i]; } } m_MidiBufferSize = sizeof(SYS_EX_HDR)+5+m_NumEffects + 2; }
// --- Destructor
CMidiProcessList::~CMidiProcessList() { if (m_pEffectArray) delete [] m_pEffectArray; memset(this, 0, sizeof(CMidiProcessList)); }
// ----------------------------------------------------------------------------
// Function: CMidiProcessList::SetParams
// Purpose: Sets the type specific parameters
// Parameters: PPLIST pParam
// Returns:
// Algorithm:
// ----------------------------------------------------------------------------
void CMidiProcessList::SetParams(ULONG ulButtonPlayMask, PPLIST pParam) { m_NumEffects = pParam->ulNumEffects; if (m_NumEffects > MAX_PLIST_EFFECT_SIZE) m_NumEffects = MAX_PLIST_EFFECT_SIZE; assert(m_NumEffects > 0 && m_NumEffects <= MAX_PLIST_EFFECT_SIZE);
Effect.bButtonPlayL = (BYTE) ulButtonPlayMask & 0x7f; Effect.bButtonPlayH = (BYTE) ((ulButtonPlayMask >> 7) & 0x03);
m_ProcessMode = pParam->ulProcessMode;
if (m_pEffectArray != NULL) { for (int i=0; i< (int) m_NumEffects; i++) { m_pEffectArray[i] = (BYTE) (pParam->pEffectArray)[i]; } } }
// ----------------------------------------------------------------------------
// Function: CMidiProcessList::GenerateSysExPacket
// Purpose: Builds the SysEx packet into the pBuf
// Parameters: none
// Returns: PBYTE - pointer to a buffer filled with SysEx Packet
// Algorithm:
// ----------------------------------------------------------------------------
PBYTE CMidiProcessList::GenerateSysExPacket(void) { if (NULL == g_pJoltMidi) return ((PBYTE) NULL); PBYTE pSysExBuffer = g_pJoltMidi->PrimaryBufferPtrOf(); assert(pSysExBuffer); // Copy SysEx Header + m_OpCode + m_SubType + m_bEffectID + m_bButtonPlayL
// + m_bButtonPlayH
memcpy(pSysExBuffer,&m_bSysExCmd, (sizeof(SYS_EX_HDR) + 5 )); PPROCESS_LIST_SYS_EX pBuf = (PPROCESS_LIST_SYS_EX) pSysExBuffer;
if (PL_SUPERIMPOSE == m_ProcessMode) pBuf->bSubType = PLIST_SUPERIMPOSE; else pBuf->bSubType = PLIST_CONCATENATE;
pBuf->bButtonPlayL = (BYTE) (Effect.bButtonPlayL & 0x7f); pBuf->bButtonPlayH = (BYTE) (Effect.bButtonPlayH & 0x7f);
// Copy the PLIST specific parameters
memcpy(&pBuf->bEffectArrayID, m_pEffectArray, m_NumEffects); PBYTE pChecksum = (PBYTE) ( &pBuf->bEffectArrayID + m_NumEffects );
pChecksum[0] = ComputeChecksum((PBYTE) pSysExBuffer, sizeof(SYS_EX_HDR)+5+m_NumEffects+2); pChecksum[1] = MIDI_EOX; return ((PBYTE) pSysExBuffer); }
// ****************************************************************************
// *** --- Member functions for derived class CMidiVFXProcessList
//
// ****************************************************************************
//
// ----------------------------------------------------------------------------
// Function: CMidiVFXProcessList::CMidiVFXProcessList
// Purpose: Constructor(s)/Destructor for CMidiVFXProcessList Object
// Parameters:
// Returns:
// Algorithm:
// ----------------------------------------------------------------------------
CMidiVFXProcessList::CMidiVFXProcessList(ULONG ulButtonPlayMask, PPLIST pParam) : CMidiProcessList(ulButtonPlayMask, pParam) { }
// ----------------------------------------------------------------------------
// Function: CMidiVFXEffect::DestroyEffect
// Purpose: Sends the Short Message for itself and children
// Parameters:
// Returns: Error code
// Algorithm:
// ----------------------------------------------------------------------------
HRESULT CMidiVFXProcessList::DestroyEffect() { HRESULT hRet;
if (NULL == g_pJoltMidi) return (SFERR_DRIVER_ERROR);
// destroy the children
for (int i=0; i< (int) m_NumEffects; i++) { // get the CMidiEffect object corresponding to child ID
CMidiEffect* pMidiEffect = g_pJoltMidi->GetEffectByID(m_pEffectArray[i]); assert(NULL != pMidiEffect); if (NULL == pMidiEffect) return (SFERR_INVALID_OBJECT);
// destroy the effect
hRet = pMidiEffect->DestroyEffect();
// remove it from the map
if(!FAILED(hRet)) g_pJoltMidi->SetEffectByID(EffectIDOf(), NULL);
// delete the object
delete pMidiEffect; }
// destroy itself
hRet = CMidiEffect::DestroyEffect();
// remove it from the map
if(!FAILED(hRet)) g_pJoltMidi->SetEffectByID(EffectIDOf(), NULL);
return hRet; }
// ****************************************************************************
// *** --- Member functions for derived class CMidiAssign
//
// ****************************************************************************
//
// ----------------------------------------------------------------------------
// Function: CMidiAssign::CMidiAssign
// Purpose: Constructor(s)/Destructor for CMidiAssign Object
// Parameters:
// Returns:
// Algorithm:
// ----------------------------------------------------------------------------
CMidiAssign::CMidiAssign(void) : CMidiEffect(NULL) { //
// --- THIS IS A CRITICAL SECTION
//
CriticalLock cl;
m_OpCode = MIDI_ASSIGN; // Sub-command opcode
m_SubType = 0; // not used
m_Channel = DEFAULT_MIDI_CHANNEL; // Midi channel
m_MidiBufferSize = sizeof(MIDI_ASSIGN_SYS_EX);
// --- END OF CRITICAL SECTION
//
}
// --- Destructor
CMidiAssign::~CMidiAssign() { memset(this, 0, sizeof(CMidiAssign)); }
// ----------------------------------------------------------------------------
// Function: CMidiAssign::GenerateSysExPacket
// Purpose: Builds the SysEx packet into the pBuf
// Parameters: none
// Returns: PBYTE - pointer to a buffer filled with SysEx Packet
// Algorithm:
// ----------------------------------------------------------------------------
PBYTE CMidiAssign::GenerateSysExPacket(void) { if (NULL == g_pJoltMidi) return ((PBYTE) NULL);
PBYTE pSysExBuffer = g_pJoltMidi->PrimaryBufferPtrOf(); assert(pSysExBuffer); // Copy SysEx Header + m_OpCode + m_SubType
memcpy(pSysExBuffer, &m_bSysExCmd, sizeof(SYS_EX_HDR)+2 );
PMIDI_ASSIGN_SYS_EX pBuf = (PMIDI_ASSIGN_SYS_EX) pSysExBuffer;
pBuf->bChannel = (BYTE) (m_Channel & 0x0f); pBuf->bChecksum = ComputeChecksum((PBYTE) pSysExBuffer, sizeof(MIDI_ASSIGN_SYS_EX)); pBuf->bEOX = MIDI_EOX; return ((PBYTE) pSysExBuffer); }
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