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ApnCamera_USB.cpp

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// ApnCamera_USB.cpp: implementation of the CApnCamera_USB class.
//
// Copyright (c) 2003, 2004 Apogee Instruments, Inc.

#include "stdafx.h"
#include "ApnCamera_USB.h"

#include "ApogeeUsb.h"
#include "ApogeeUsbErr.h"


// Construction/Destruction



bool CApnCamera::InitDriver( unsigned long  CamIdA, 
                                 unsigned short /*CamIdB*/, 
                                 unsigned long  /*Option*/ )
{
    if ( ApnUsbOpen( (unsigned short)CamIdA ) != APN_USB_SUCCESS )
    {
        return false;
    }

    m_CameraInterface = Apn_Interface_USB;

    // Before trying to initialize, perform a simple loopback test
    unsigned short  RegData;
    unsigned short  NewRegData;

    RegData = 0x5AA5;
    if ( Write( FPGA_REG_SCRATCH, RegData )     != APN_USB_SUCCESS ) return false;
    if ( Read( FPGA_REG_SCRATCH, NewRegData )   != APN_USB_SUCCESS ) return false;      
    if ( RegData != NewRegData ) return false;

    RegData = 0xA55A;
    if ( Write( FPGA_REG_SCRATCH, RegData )     != APN_USB_SUCCESS ) return false;
    if ( Read( FPGA_REG_SCRATCH, NewRegData )   != APN_USB_SUCCESS ) return false;      
    if ( RegData != NewRegData ) return false;

    // The loopback test was successful.  Proceed with initialization.
    if ( InitDefaults() != 0 )
        return false;

    return true;
}


bool CApnCamera::CloseDriver()
{
    ApnUsbClose();

    return true;
}

void CApnCamera::SetNetworkTransferMode( Apn_NetworkMode /*TransferMode*/ )
{
        return;
} 

bool CApnCamera::GetImageData( unsigned short *pImageBuffer, 
                                   unsigned short &Width,
                                   unsigned short &Height,
                                   unsigned long  &Count )
{
        unsigned short  Offset(0);
    unsigned short  *pTempBuffer;
    long            i, j;


    // Make sure it is okay to get the image data
    // The app *should* have done this on its own, but we have to make sure
    while ( !ImageReady() )
    {
        Sleep( 50 );
        read_ImagingStatus();
    }

    Width   = m_pvtWidth;
    Height  = m_pvtHeight;

    if ( m_pvtBitsPerPixel == 16 )
        Offset = 1;

    if ( m_pvtBitsPerPixel == 12 )
        Offset = 10;

    Width -= Offset;    // Calculate the true image width

    pTempBuffer = new unsigned short[(Width+Offset) * Height];
    
    ApnUsbGetImage( pTempBuffer );

    for ( i=0; i<Height; i++ )
    {
        for ( j=0; j<Width; j++ )
        {
            pImageBuffer[(i*Width)+j] = pTempBuffer[(i*(Width+Offset))+j+Offset];
        }
    }

    delete [] pTempBuffer;
 

    Count = read_ImageCount();

    SignalImagingDone();

    return true;
}


bool CApnCamera::GetLineData( unsigned short */*pLineBuffer*/,
                                  unsigned short &Size )
{
    Size = 0;

    return false;
}


long CApnCamera::PreStartExpose( unsigned short BitsPerPixel )
{
    m_pvtWidth  = GetExposurePixelsH();
    m_pvtHeight = GetExposurePixelsV();

    if ( (BitsPerPixel != 16) && (BitsPerPixel != 12) )
    {
        // Invalid bit depth request
        return 1;
    }

    m_pvtBitsPerPixel = BitsPerPixel;


    if ( BitsPerPixel == 16 )
        m_pvtWidth += 1;

    if ( BitsPerPixel == 12 )
        m_pvtWidth += 10;

    if ( ApnUsbStartExp( m_pvtWidth, m_pvtHeight ) != APN_USB_SUCCESS )
    {
        return 1;
    }

    return 0;
}


long CApnCamera::PostStopExposure( bool DigitizeData )
{
    PUSHORT         pRequestData;


    if ( !DigitizeData )
    {
        while ( !ImageReady() )
        {
            Sleep( 50 );
            read_ImagingStatus();
        }

        pRequestData = new USHORT[m_pvtWidth*m_pvtHeight];

        ApnUsbGetImage( pRequestData );

        delete [] pRequestData;

        SignalImagingDone();
    }

    // The following code will eventually be the implementation of the STOP
    // command for USB.  Currently, this does not work correctly.
    // if ( ApnUsbStopExp( DigitizeData ) != APN_USB_SUCCESS )
    // {
    //  return 1;
    // }

    return 0;
}


long CApnCamera::Read( unsigned short reg, unsigned short& val )
{
    if ( ApnUsbReadReg( reg, &val ) != APN_USB_SUCCESS )
    {
        return 1;       // Failure
    }

    return 0;
}


long CApnCamera::Write( unsigned short reg, unsigned short val )
{
    if ( ApnUsbWriteReg( reg, val ) != APN_USB_SUCCESS )
    {
        return 1;       // Failure
    }

    return 0;
}


long CApnCamera::WriteMultiSRMD( unsigned short reg, unsigned short val[], unsigned short count )
{
    if ( ApnUsbWriteRegMulti( reg, val, count ) != APN_USB_SUCCESS )
    {
        return 1;
    }

    return 0;
}


long CApnCamera::WriteMultiMRMD( unsigned short reg[], unsigned short val[], unsigned short count )
{
    if ( ApnUsbWriteRegMultiMRMD( reg, val, count ) != APN_USB_SUCCESS )
    {
        return 1;
    }

    return 0;
}


long CApnCamera::QueryStatusRegs( unsigned short& StatusReg,
                                      unsigned short& HeatsinkTempReg,
                                      unsigned short& CcdTempReg,
                                      unsigned short& CoolerDriveReg,
                                      unsigned short& VoltageReg,
                                      unsigned short& TdiCounter,
                                      unsigned short& SequenceCounter )
{
       /*unsigned short stat,heat,ccdt,cool,volt,tdic,sequ;*/

    if ( ApnUsbReadStatusRegs( &StatusReg,
                               &HeatsinkTempReg,
                               &CcdTempReg,
                               &CoolerDriveReg,
                               &VoltageReg,
                               &TdiCounter,
                               &SequenceCounter ) != APN_USB_SUCCESS )
    {
        return 1;
    }
    return 0;
}

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