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// CameraIO.cpp: implementation of the CCameraIO class.
//
// Copyright (c) 2000 Apogee Instruments Inc.
//////////////////////////////////////////////////////////////////////
#include <assert.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/ioctl.h>
#include <string.h>
#include <sched.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>
#define HANDLE int
#define FALSE 0
#define DWORD long
#define _ASSERT assert
#define REALTIME_PRIORITY_CLASS 1
#define GetCurrentProcess getpid
#define LOBYTE(x) ((x) & 0xff)
#define HIBYTE(x) ((x >> 8) & 0xff)
#define MIRQ1 0x21
#define MIRQ2 0xA1
#include "time.h"
//#include "tcl.h"
//#include "ccd.h"
#include "CameraIO_Linux.h"
#include "ApogeeLinux.h"
const int NUM_POSITIONS = 6;
const int NUM_STEPS_PER_FILTER = 48;
const int STEP_DELAY = 10;
const unsigned char Steps[] = { 0x10, 0x30, 0x20, 0x60, 0x40, 0xc0, 0x80, 0x90 };
const int NUM_STEPS = sizeof ( Steps );
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
void CCameraIO::InitDefaults()
{
////////////////////////////////////////////////////////////
// Camera Settings
m_HighPriority = true;
m_PPRepeat = 1;
m_DataBits = 16;
m_FastShutter = false;
m_MaxBinX = 8;
m_MaxBinY = 63;
m_MaxExposure = 10485.75;
m_MinExposure = 0.01;
m_GuiderRelays = false;
m_Timeout = 2.0;
////////////////////////////////////////////////////////////
// Cooler Settings
m_TempControl = true;
m_TempCalibration = 160;
m_TempScale = 2.1;
////////////////////////////////////////////////////////////
// Exposure Settings
m_BinX = 1;
m_BinY = 1;
m_StartX = 0;
m_StartY = 0;
m_NumX = 1;
m_NumY = 1;
////////////////////////////////////////////////////////////
// Geometry Settings
m_Columns = 0;
m_Rows = 0;
m_SkipC = 0;
m_SkipR = 0;
m_HFlush = 1;
m_VFlush = 1;
m_BIC = 4;
m_BIR = 4;
m_ImgColumns = 0;
m_ImgRows = 0;
////////////////////////////////////////////////////////////
// CCD Settings
memset( m_Sensor, 0, 256 );
m_Color = false;
m_Noise = 0.0;
m_Gain = 0.0;
m_PixelXSize = 0.0;
m_PixelYSize = 0.0;
////////////////////////////////////////////////////////////
// Internal variables
fileHandle = 0;
m_RegisterOffset = 0;
m_Interface = Camera_Interface_PCI;
m_SensorType = Camera_SensorType_CCD;
}
bool CCameraIO::InitDriver(unsigned short camnum)
{
char deviceName[64];
sprintf(deviceName,"%s%d",APOGEE_PCI_DEVICE,camnum);
fileHandle = ::open(deviceName,O_RDONLY);
if (fileHandle == -1) return false;
return true;
}
long CCameraIO::Write( unsigned short reg, unsigned short val )
{
int status;
unsigned short RegNumber;
struct apIOparam request;
switch ( reg )
{
case Reg_Command:
RegNumber = RegPCI_Command;
break;
case Reg_Timer:
RegNumber = RegPCI_Timer;
break;
case Reg_VBinning:
RegNumber = RegPCI_VBinning;
break;
case Reg_AICCounter:
RegNumber = RegPCI_AICCounter;
break;
case Reg_TempSetPoint:
RegNumber = RegPCI_TempSetPoint;
break;
case Reg_PixelCounter:
RegNumber = RegPCI_PixelCounter;
break;
case Reg_LineCounter:
RegNumber = RegPCI_LineCounter;
break;
case Reg_BICCounter:
RegNumber = RegPCI_BICCounter;
break;
default:
_ASSERT ( false );
return 0;
}
request.reg = RegNumber;
request.param1=(int)val;
status=ioctl(fileHandle,APPCI_WRITE_USHORT,(unsigned long)&request);
return 0;
}
long CCameraIO::Read( unsigned short reg, unsigned short& val )
{
int retval, status;
struct apIOparam request;
unsigned short RegNumber;
switch ( reg )
{
case Reg_Command:
RegNumber = RegPCI_CommandRead;
break;
case Reg_Timer:
RegNumber = RegPCI_TimerRead;
break;
case Reg_VBinning:
RegNumber = RegPCI_VBinningRead;
break;
case Reg_AICCounter:
RegNumber = RegPCI_AICCounterRead;
break;
case Reg_TempSetPoint:
RegNumber = RegPCI_TempSetPointRead;
break;
case Reg_PixelCounter:
RegNumber = RegPCI_PixelCounterRead;
break;
case Reg_LineCounter:
RegNumber = RegPCI_LineCounterRead;
break;
case Reg_BICCounter:
RegNumber = RegPCI_BICCounterRead;
break;
case Reg_ImageData:
RegNumber = RegPCI_ImageData;
break;
case Reg_TempData:
RegNumber = RegPCI_TempData;
break;
case Reg_Status:
RegNumber = RegPCI_Status;
break;
case Reg_CommandReadback:
RegNumber = RegPCI_CommandReadback;
break;
default:
assert( 1 ); // application program bug
val = 0;
return 0;
}
request.reg = RegNumber;
request.param1=(unsigned long)&retval;
status=ioctl(fileHandle,APPCI_READ_USHORT,(unsigned long)&request);
val = (unsigned short)retval;
return 0;
}
// Returns 0 if successfull, 1 if Line_Done poll timed out.
long CCameraIO::ReadLine( long SkipPixels, long Pixels,unsigned short* pLineBuffer )
{
int j;
int retval, status;
struct apIOparam request;
if ( !m_TDI )
{
/////////////////////////////////////
// Clock out the line
m_RegShadow[ Reg_Command ] |= RegBit_StartNextLine; // set bit to 1
Write( Reg_Command, m_RegShadow[ Reg_Command ] );
m_RegShadow[ Reg_Command ] &= ~RegBit_StartNextLine; // set bit to 0
Write( Reg_Command, m_RegShadow[ Reg_Command ] );
/////////////////////////////////////
}
request.reg = RegPCI_ImageData;
request.param1=(unsigned long)&retval;
for (j = 0; j < SkipPixels; j++)
{
status=ioctl(fileHandle,APPCI_READ_USHORT,(unsigned long)&request);
}
for (j = 0; j < Pixels; j++)
{
status=ioctl(fileHandle,APPCI_READ_USHORT,(unsigned long)&request);
*pLineBuffer++ = (unsigned short)retval;
}
/////////////////////////////////////
// Assert done reading line
m_RegShadow[ Reg_Command ] |= RegBit_DoneReading; // set bit to 1
Write( Reg_Command, m_RegShadow[ Reg_Command ] );
m_RegShadow[ Reg_Command ] &= ~RegBit_DoneReading; // set bit to 0
Write( Reg_Command, m_RegShadow[ Reg_Command ] );
/////////////////////////////////////
if ( !m_TDI )
{
/////////////////////////////////////
// Wait until camera is done
clock_t StopTime = clock() + CLOCKS_PER_SEC; // wait at most one second
while ( true )
{
unsigned short val = 0;
Read( Reg_Status, val );
if ( ( val & RegBit_LineDone ) != 0 ) break;// Line done
if ( clock() > StopTime ) return 1; // Timed out
}
}
return 0;
}
long CCameraIO::ReadImage( unsigned short* pImageBuffer )
{
m_RegShadow[ Reg_Command ] |= RegBit_FIFOCache; // set bit to 1
Write( Reg_Command, m_RegShadow[ Reg_Command ] );
long XEnd = long( m_ExposureNumX );
long SkipC = long( m_ExposureSkipC );
for (long i = 0; i < m_ExposureSkipR; i++)
{
if( InternalReadLine( false, SkipC, XEnd, NULL ) ) return 1;
}
long YEnd = long( m_ExposureNumY );
unsigned short* pLineBuffer = pImageBuffer;
for (long i = 0; i < YEnd; i++)
{
if ( InternalReadLine( true, SkipC, XEnd, pLineBuffer ) ) return 1;
pLineBuffer += XEnd;
}
m_RegShadow[ Reg_Command ] &= !RegBit_FIFOCache; // set bit to 0
Write( Reg_Command, m_RegShadow[ Reg_Command ] );
return 0;
}
// Returns 0 if successfull, 1 if Line_Done poll timed out.
long CCameraIO::InternalReadLine( bool KeepData, long SkipC, long XEnd, unsigned short* pLineBuffer )
{
struct apIOparam request;
int retval, status;
/////////////////////////////////////
// Clock out the line
m_RegShadow[ Reg_Command ] |= RegBit_StartNextLine; // set bit to 1
Write( Reg_Command, m_RegShadow[ Reg_Command ] );
m_RegShadow[ Reg_Command ] &= !RegBit_StartNextLine; // set bit to 0
Write( Reg_Command, m_RegShadow[ Reg_Command ] );
/////////////////////////////////////
request.reg = RegPCI_ImageData;
request.param1=(unsigned long)&retval;
for (long j = 0; j < SkipC; j++)
status=ioctl(fileHandle,APPCI_READ_USHORT,(unsigned long)&request);
if ( KeepData )
{
for (long j = 0; j < XEnd; j++) {
status=ioctl(fileHandle,APPCI_READ_USHORT,(unsigned long)&request);
*pLineBuffer++ = (unsigned short)retval;
}
}
else
{
for (long j = 0; j < XEnd; j++)
status=ioctl(fileHandle,APPCI_READ_USHORT,(unsigned long)&request);
}
/////////////////////////////////////
// Assert done reading line
m_RegShadow[ Reg_Command ] |= RegBit_DoneReading; // set bit to 1
Write( Reg_Command, m_RegShadow[ Reg_Command ] );
m_RegShadow[ Reg_Command ] &= !RegBit_DoneReading; // set bit to 0
Write( Reg_Command, m_RegShadow[ Reg_Command ] );
/////////////////////////////////////
/////////////////////////////////////
// Wait until camera is done clocking
clock_t StopTime = clock() + CLOCKS_PER_SEC; // wait at most one second
while ( true )
{
unsigned short val = 0;
Read( Reg_Status, val );
if ( ( val & RegBit_LineDone ) != 0 ) break;// Line done
clock_t CurrentTime = clock();
if ( CurrentTime > StopTime ) return 1; // Timed out
}
return 0;
}
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