bool MeasurementThread::initAcquisitionCard ()
{
float RevLevel = (float)CURRENTREVNUM;
cbDeclareRevision(&RevLevel);
cbErrHandling (PRINTALL, DONTSTOP);
// calculate maximum buffer size and allocate it
long DATA_BUF_SIZE = 0;
for (int i = 0; i < fList.size(); i++)
{
long s = calculateBufferSize(i);
if (s > DATA_BUF_SIZE) DATA_BUF_SIZE = s;
}
_data = cbWinBufAlloc (DATA_BUF_SIZE);
if (_data == 0)
{
bool response = createSweepErrorMsg(0, 0, "Cannot allocate memory");
return response;
}
// setup channels
for (int i = 0; i < cInfo.size(); ++i)
{
_ChanArray[i] = cInfo.value(i).ChannelNumber;
_ChanTypeArray[i] = ANALOG;
_GainArray[i] = Global::vMaxToGain(cInfo.value(i).Units);
}
return true;
}
bool EITMeasurementThread::initAcquisitionCard ()
{
float RevLevel = (float)CURRENTREVNUM;
cbDeclareRevision(&RevLevel);
cbErrHandling (PRINTALL, DONTSTOP);
_data = cbWinBufAlloc (DATA_BUF_SIZE);
if (_data == 0)
{
bool response = createSweepErrorMsg(0, 0, "Cannot allocate memory");
return response;
}
// setup channels
for (int i = 0; i < NUM_CHANNELS; ++i)
{
_ChanArray[i] = i;
_ChanTypeArray[i] = ANALOG;
_GainArray[i] = Global::vMaxToGain(exp->V_MAX);
//qDebug() << "GainArray[" << i << "] = " << _GainArray[i];
}
return true;
}
void main()
{
/* Variable Declarations */
int I, J, ULStat, BoardNum;
int ChipNum, CounterNum;
int FOutDivider, FOutSource, Compare1, Compare2, TimeOfDay;
int GateControl, CounterEdge, CountSource, SpecialGate;
int ReLoad, RecycleMode, BCDMode, CountDirection, OutputControl;
int LoadValue;
int RegName;
int IntCount, NumCntrs;
short Status;
long CurCount, CurIndex, FirstPoint;
short CntrControl[MAXNUMCNTRS];
char *StatusStr;
WORD *DataBuffer;
float RevLevel = (float)CURRENTREVNUM;
/* Declare UL Revision Level */
ULStat = cbDeclareRevision(&RevLevel);
/* Initiate error handling
Parameters:
PRINTALL :all warnings and errors encountered will be printed
DONTSTOP :program will continue even if error occurs.
Note that STOPALL and STOPFATAL are only effective in
Windows applications, not Console applications.
*/
cbErrHandling (PRINTALL, DONTSTOP);
/* set up the display screen */
ClearScreen();
printf ("Demonstration of 9513 Counter Functions.\n\n");
printf ("Press any key to quit.\n\n");
/* Initialize the board level features */
BoardNum = 0; /* Number used by CB.CFG to describe this board */
ChipNum = 1; /* chip being init'ed (1 for CTR5, 1 or 2 for CTR10) */
FOutDivider = 10; /* sets up OSC OUT for 10Hz signal which can be */
FOutSource = FREQ5; /* used as an interrrupt source for this example */
Compare1 = DISABLED; /* Status of comparator 1 */
Compare2 = DISABLED; /* Status of comparator 2 */
TimeOfDay = DISABLED; /* Time of day control mode */
ULStat = cbC9513Init (BoardNum, ChipNum, FOutDivider, FOutSource, Compare1,
Compare2, TimeOfDay);
/* Set the configurable operations of counters 1 and 2 */
CounterNum = 1; /* Counter to be configured (0-5) */
GateControl = NOGATE; /* Gate control value */
CounterEdge = POSITIVEEDGE; /* Which edge to count */
CountSource = FREQ3; /* Signal source for counter */
SpecialGate = DISABLED; /* Status of special gate */
ReLoad = LOADREG; /* Method of reloading the counter */
RecycleMode = RECYCLE; /* Recycle mode */
BCDMode = DISABLED; /* Counting mode, BCD or binary */
CountDirection = COUNTUP; /* Counting direction (up or down) */
OutputControl = ALWAYSLOW; /* Output signal type and level */
ULStat = cbC9513Config (BoardNum, CounterNum , GateControl, CounterEdge,
CountSource, SpecialGate, ReLoad, RecycleMode,
BCDMode, CountDirection, OutputControl);
CounterNum = 2;
CountSource = FREQ5;
ULStat = cbC9513Config (BoardNum, CounterNum , GateControl, CounterEdge,
CountSource, SpecialGate, ReLoad, RecycleMode,
BCDMode, CountDirection, OutputControl);
/* Load the 2 counters with starting values of zero with cbCLoad()
Parameters:
BoardNum :the number used by CB.CFG to describe this board
RegName :the counter to be loading with the starting value
LoadValue :the starting value to place in the counter */
LoadValue = 0;
for (RegName=LOADREG1; RegName<=LOADREG2; RegName++)
ULStat = cbCLoad (BoardNum, RegName, LoadValue);
/* set the counters to store their values upon an interrupt
Parameters:
BoardNum :the number used by CB.CFG to describe this board
IntCount :maximum number of interrupts
CntrControl[]:array which indicates the channels to be used
DataBuffer[] :array that receives the count values for enabled
channels each time an interrupt occurs */
IntCount = 100;
/*
DataBuffer must be able to hold NumCntrs*IntCount values, even if
we're only enabling a few counters. We'll allocate enough space for
MAXNUMCNTRS in case NumCntrs has not been updated.
*/
DataBuffer = (WORD *)cbWinBufAlloc( MAXNUMCNTRS*IntCount );
/*
The actual number of counters onboard.
UPDATE THIS VALUE TO REFLECT THE NUMBER OF COUNTERS FOR THE INSTALLED MODEL.
*/
NumCntrs = 10;
for (I = 0; I < NumCntrs; I++)
CntrControl[I] = DISABLED;
for (J = 0; J< IntCount; J++)
for (I = 0; I<NumCntrs; I++)
DataBuffer[J*NumCntrs + I] = 0;
/* enable the channels to be monitored */
CntrControl[0] = ENABLED;
CntrControl[1] = ENABLED;
ULStat = cbCStoreOnInt (BoardNum, IntCount, CntrControl, DataBuffer);
MoveCursor (1, 14);
printf ("When an interrupt is generated, the table below will be updated.");
MoveCursor (5, 15);
printf ("Counter Status Value ");
Status = RUNNING;
while (!kbhit() && Status==RUNNING)
{
/* We'll display the latest counts retrieved and the current INT count*/
/* Check the status of the current background operation
Parameters:
BoardNum :the number used by CB.CFG to describe this board
Status :current status of the operation (IDLE or RUNNING)
CurCount :current number of samples collected
CurIndex :index to the last data value transferred
FunctionType: A/D operation (CTRFUNCTION)*/
cbGetStatus (BoardNum, &Status, &CurCount, &CurIndex,CTRFUNCTION);
for (I = 0; I < 5; I++)
{
if (CntrControl[I] == DISABLED)
StatusStr = "DISABLED";
else
StatusStr = "ENABLED";
MoveCursor (5, 16 + I);
FirstPoint=0;
/*
The latest set of data in the data buffer is starts at
FirstPoint = NumCntrs*CurIndex;
*/
if (CurIndex>0)
{
FirstPoint = NumCntrs*CurIndex;
}
printf (" %2u %8s %5u\n", I, StatusStr, DataBuffer[FirstPoint + I]);
}
printf ("Number of interrupts so far=%-ld\n", CurCount);
}
/* the BACKGROUND operation must be explicitly stopped
Parameters:
BoardNum :the number used by CB.CFG to describe this board
FunctionType: counter operation (CTRFUNCTION)*/
ULStat = cbStopBackground (BoardNum,CTRFUNCTION);
cbWinBufFree((int)DataBuffer);
MoveCursor (1, 22);
printf ("\n");
}
void main ()
{
/* Variable Declarations */
int Row, Col;
int PrnNum=1000;
int BoardNum = 0;
int ULStat = 0;
int LowChan = 0;
int HighChan = 0;
int Gain = BIP5VOLTS;
short Status = 0;
long CurCount;
long CurIndex;
int Count = 10000;
long Rate = 3125;
unsigned Options;
WORD *ADData;
float RevLevel = (float)CURRENTREVNUM;
/* Declare UL Revision Level */
ULStat = cbDeclareRevision(&RevLevel);
ADData = (WORD*)cbWinBufAlloc(10000);
if (!ADData) /* Make sure it is a valid pointer */
{
printf("\nout of memory\n");
exit(1);
}
/* Initiate error handling
Parameters:
PRINTALL :all warnings and errors encountered will be printed
DONTSTOP :program will continue even if error occurs.
Note that STOPALL and STOPFATAL are only effective in
Windows applications, not Console applications.
*/
cbErrHandling (PRINTALL, DONTSTOP);
/* set up the display screen */
ClearScreen();
printf ("Demonstration of cbAInScan() in BACKGROUND mode\n\n");
printf ("%d data points are being collected in the background. This program\n", Count);
printf ("could be doing many other things right now, but it will display every\n");
printf ("1000th data value collected.\n\n");
printf ("10000 Points Being Collected:\n\n");
printf ("Press any key to quit.\n\n");
printf ("Point # Value\n");
printf ("------- ------\n");
GetTextCursor (&Col, &Row);
/* Collect the values with cbAInScan() in BACKGROUND mode
Parameters:
BoardNum :the number used by CB.CFG to describe this board
LowChan :low channel of the scan
HighChan :high channel of the scan
Count :the total number of A/D samples to collect
Rate :sample rate in samples per second
Gain :the gain for the board
ADData[] :the array for the collected data values
Options :data collection options */
Options = CONVERTDATA + BACKGROUND + SINGLEIO;
ULStat = cbAInScan (BoardNum, LowChan, HighChan, Count, &Rate,
Gain, ADData, Options);
/* During the BACKGROUND operation, check the status, print every ten values */
Status = RUNNING;
while (!kbhit() && Status==RUNNING)
{
/* Check the status of the current background operation
Parameters:
BoardNum :the number used by CB.CFG to describe this board
Status :current status of the operation (IDLE or RUNNING)
CurCount :current number of samples collected
CurIndex :index to the last data value transferred
FunctionType: A/D operation (AIFUNCTIOM)*/
ULStat = cbGetStatus (BoardNum, &Status, &CurCount, &CurIndex,AIFUNCTION);
/* Check if there are data in the buffer */
if (CurCount > 0)
{
MoveCursor (Col + 25, Row - 4);
printf ("%ld", CurCount);
if (CurCount > PrnNum) /* display every 100th data point */
{
if (CurCount > 0)
{
MoveCursor (Col, Row - 1 + (PrnNum/ 1000));
printf (" %4d %5u", PrnNum, ADData[PrnNum]);
}
PrnNum = PrnNum+1000;
}
}
}
MoveCursor (Col + 30, Row - 4);
if (Status == IDLE)
printf (" Data Collection finished.");
else
printf ("Data collection interrupted by user.");
/* the BACKGROUND operation must be explicitly stopped
Parameters:
BoardNum :the number used by CB.CFG to describe this board
FunctionType: A/D operation (AIFUNCTIOM)*/
ULStat = cbStopBackground (BoardNum,AIFUNCTION);
MoveCursor (1, 22);
printf ("\n");
GetTextCursor (&Col, &Row);
cbWinBufFree((int)ADData);
}
void main ()
{
/* Variable Declarations */
int Row, Col;
int BoardNum = 0;
int Options;
long PreTrigCount, TotalCount, Rate, ChanCount;
short ChanArray[NUMCHANS];
short ChanTypeArray[NUMCHANS];
short GainArray[NUMCHANS];
int ULStat = 0;
short Status = IDLE;
long CurCount;
long CurIndex, DataIndex;
int PortNum, Direction, CounterNum;
WORD *ADData;
float RevLevel = (float)CURRENTREVNUM;
/* Declare UL Revision Level */
ULStat = cbDeclareRevision(&RevLevel);
ADData = (WORD*)cbWinBufAlloc(NUMPOINTS * NUMCHANS);
if (!ADData) /* Make sure it is a valid pointer */
{
printf("\nout of memory\n");
exit(1);
}
/* Initiate error handling
Parameters:
PRINTALL :all warnings and errors encountered will be printed
DONTSTOP :program will continue even if error occurs.
Note that STOPALL and STOPFATAL are only effective in
Windows applications, not Console applications.
*/
cbErrHandling (PRINTALL, DONTSTOP);
/* set up the display screen */
ClearScreen();
printf ("Demonstration of cbDaqInScan()\n\n");
printf ("Data are being collected in the BACKGROUND, CONTINUOUSLY\n");
/* load the arrays with values */
ChanArray[0] = 0;
ChanTypeArray[0] = ANALOG;
GainArray[0] = BIP10VOLTS;
ChanArray[1] = FIRSTPORTA;
ChanTypeArray[1] = DIGITAL16;
GainArray[1] = NOTUSED;
ChanArray[2] = 0;
ChanTypeArray[2] = CTR32LOW;
GainArray[2] = NOTUSED;
ChanArray[3] = 0;
ChanTypeArray[3] = CTR32HIGH;
GainArray[3] = NOTUSED;
/* configure FIRSTPORTA and FIRSTPORTB for digital input */
PortNum = FIRSTPORTA;
Direction = DIGITALIN;
ULStat = cbDConfigPort (BoardNum, PortNum, Direction);
PortNum = FIRSTPORTB;
ULStat = cbDConfigPort (BoardNum, PortNum, Direction);
// configure counter 0
CounterNum = ChanArray[2];
ULStat = cbCConfigScan(BoardNum, CounterNum, ROLLOVER, CTR_DEBOUNCE_NONE, 0, CTR_RISING_EDGE, 0, CounterNum);
/* Collect the values with cbDaqInScan() in BACKGROUND mode, CONTINUOUSLY
Parameters:
BoardNum :the number used by CB.CFG to describe this board
ChanArray[] :array of channel values
ChanTypeArray[] : array of channel types
GainArray[] :array of gain values
ChanCount :the number of channels
Rate :sample rate in samples per second
PretrigCount:number of pre-trigger A/D samples to collect
TotalCount :the total number of A/D samples to collect
ADData[] :the array for the collected data values
Options :data collection options */
ChanCount = NUMCHANS;
PreTrigCount =0;
TotalCount = NUMPOINTS * NUMCHANS;
Rate = 1000; /* sampling rate (samples per second) */
Options = CONVERTDATA + BACKGROUND + CONTINUOUS; /* data collection options */
ULStat = cbDaqInScan(BoardNum, ChanArray, ChanTypeArray, GainArray, ChanCount, &Rate, &PreTrigCount, &TotalCount, ADData, Options);
printf ("--------------------------------------------------------------------------------");
printf ("| Your program could be doing something useful here while data are collected...|");
printf ("--------------------------------------------------------------------------------");
printf ("\nCollecting data...\n\n");
printf ("Press any key to quit.\n\n");
GetTextCursor (&Col, &Row);
if(ULStat == NOERRORS)
Status = RUNNING;
/* During the BACKGROUND operation, check the status */
while (!kbhit() && Status==RUNNING)
{
/* Check the status of the current background operation
Parameters:
BoardNum :the number used by CB.CFG to describe this board
Status :current status of the operation (IDLE or RUNNING)
CurCount :current number of samples collected
CurIndex :index to the last data value transferred
FunctionType: A/D operation (DAQIFUNCTION)*/
ULStat = cbGetStatus (BoardNum, &Status, &CurCount, &CurIndex,DAQIFUNCTION);
/* check the current status of the background operation */
if (Status == RUNNING)
{
DataIndex = CurIndex - CurIndex % NUMCHANS - NUMCHANS;
if(DataIndex>0)
{
MoveCursor (Col, Row);
printf ("Channel 0 Data point: %3ld ", DataIndex);
printf (" Value: %d \n",ADData[DataIndex]);
DataIndex++;
printf ("FIRSTPORTA Data point: %3ld ", DataIndex);
printf (" Value: %d \n",ADData[DataIndex]);
DataIndex++;
printf ("Counter 0 Data point: %3ld ", DataIndex);
printf (" Value: %u ",ADData[DataIndex] + (ADData[DataIndex+1]<<16)); // 32-bit counter
}
}
}
printf ("\n");
MoveCursor (Col, Row + 4);
printf ("Data collection terminated.");
/* The BACKGROUND operation must be explicitly stopped
Parameters:
BoardNum :the number used by CB.CFG to describe this board
FunctionType: A/D operation (DAQIFUNCTION)*/
ULStat = cbStopBackground (BoardNum,DAQIFUNCTION);
cbWinBufFree((int)ADData);
MoveCursor (1, 22);
printf ("\n");
}
void main ()
{
/* Variable Declarations */
int Row, Col;
int BoardNum = 0;
int Options;
long PreTrigCount, TotalCount, Rate, ChanCount;
short ChanArray[NUMCHANS];
short ChanTypeArray[NUMCHANS];
short GainArray[NUMCHANS];
int ULStat = 0;
short Status = RUNNING;
int TrigSource, TrigSense, TrigChan, ChanType, Gain, TrigEvent;
float Level, Variance;
long CurCount;
long CurIndex, DataIndex;
int PortNum, Direction;
WORD *ADData;
float RevLevel = (float)CURRENTREVNUM;
/* Declare UL Revision Level */
ULStat = cbDeclareRevision(&RevLevel);
ADData = (WORD*)cbWinBufAlloc(NUMPOINTS * NUMCHANS);
if (!ADData) /* Make sure it is a valid pointer */
{
printf("\nout of memory\n");
exit(1);
}
/* Initiate error handling
Parameters:
PRINTALL :all warnings and errors encountered will be printed
DONTSTOP :program will continue even if error occurs.
Note that STOPALL and STOPFATAL are only effective in
Windows applications, not Console applications.
*/
cbErrHandling (PRINTALL, DONTSTOP);
/* set up the display screen */
ClearScreen();
printf ("Demonstration of cbDaqSetTrigger()\n\n");
/* load the arrays with values */
ChanArray[0] = 0;
ChanTypeArray[0] = ANALOG;
GainArray[0] = BIP10VOLTS;
ChanArray[1] = FIRSTPORTA;
ChanTypeArray[1] = DIGITAL8;
GainArray[1] = NOTUSED;
ChanArray[2] = 0;
ChanTypeArray[2] = CTR16;
GainArray[2] = NOTUSED;
/* configure FIRSTPORTA for digital input */
PortNum = FIRSTPORTA;
Direction = DIGITALIN;
ULStat = cbDConfigPort (BoardNum, PortNum, Direction);
/* Set Triggers
Parameters:
BoardNum :the number used by CB.CFG to describe this board
TrigSource :trigger source
TrigSense :trigger sensitivity
TrigChan :trigger channel
ChanType :trigger channel type
Gain :trigger channel gain
Level :trigger level
Variance :trigger variance
TrigEvent :trigger event type */
/* Start trigger settings.
AD conversions are enabled when analog channel 0 makes a transition from below 2 V to above.*/
TrigSource = TRIG_ANALOG_SW;
TrigSense = RISING_EDGE;
TrigChan = ChanArray[0];
ChanType = ChanTypeArray[0];
Gain = GainArray[0];
Level = 2.0;
Variance = 0;
TrigEvent = START_EVENT;
/* Set start trigger */
ULStat = cbDaqSetTrigger(BoardNum, TrigSource, TrigSense, TrigChan, ChanType , Gain, Level, Variance, TrigEvent);
/* Stop trigger settings.
AD conversions are terminated when counter 0 reaches 100 counts.*/
TrigSource = TRIG_COUNTER;
TrigSense = ABOVE_LEVEL;
TrigChan = ChanArray[2];
ChanType = ChanTypeArray[2];
Gain = GainArray[2];
Level = 100;
Variance = 0;
TrigEvent = STOP_EVENT;
/* Set stop trigger */
ULStat = cbDaqSetTrigger(BoardNum, TrigSource, TrigSense, TrigChan, ChanType , Gain, Level, Variance, TrigEvent);
/* Collect the values with cbDaqInScan() in BACKGROUND mode, CONTINUOUSLY
Parameters:
BoardNum :the number used by CB.CFG to describe this board
ChanArray[] :array of channel values
ChanTypeArray[] : array of channel types
GainArray[] :array of gain values
ChanCount :the number of channels
Rate :sample rate in samples per second
PretrigCount:number of pre-trigger A/D samples to collect
TotalCount :the total number of A/D samples to collect
ADData[] :the array for the collected data values
Options :data collection options */
ChanCount = NUMCHANS;
PreTrigCount = 0;
TotalCount = NUMPOINTS * NUMCHANS;
Rate = 1000; /* sampling rate (samples per second) */
Options = CONVERTDATA + BACKGROUND + CONTINUOUS + EXTTRIGGER; /* data collection options */
ULStat = cbDaqInScan(BoardNum, ChanArray, ChanTypeArray, GainArray, ChanCount, &Rate, &PreTrigCount, &TotalCount, ADData, Options);
if (ULStat==NOERRORS)
{
printf ("\nTrigger signals are needed for this sample.\nSignals required: ACH0 - signal that transitions from below 2V to above.\nCNT0 should have a TTL signal applied.");
printf ("\n\nStart Trigger Source: Channel 0\n");
printf ("Waiting for start trigger....\n\n");
printf ("Press any key to quit.\n\n");
GetTextCursor (&Col, &Row);
/* During the BACKGROUND operation, check the status */
while (!kbhit() && Status==RUNNING)
{
/* Check the status of the current background operation
Parameters:
BoardNum :the number used by CB.CFG to describe this board
Status :current status of the operation (IDLE or RUNNING)
CurCount :current number of samples collected
CurIndex :index to the last data value transferred
FunctionType: A/D operation (DAQIFUNCTION)*/
ULStat = cbGetStatus (BoardNum, &Status, &CurCount, &CurIndex,DAQIFUNCTION);
/* check the current status of the background operation */
DataIndex = CurIndex;
if(DataIndex>=0)
{
MoveCursor (Col, Row);
printf ("Triggered!\n\n");
printf ("\nCollecting data...\n\n");
printf ("Channel 0 Data point: %3ld ", DataIndex);
printf (" Value: %d \n",ADData[DataIndex]);
DataIndex++;
printf ("FIRSTPORTA Data point: %3ld ", DataIndex);
printf (" Value: %d \n",ADData[DataIndex]);
DataIndex++;
printf ("Counter 0 Data point: %3ld ", DataIndex);
printf (" Value: %d ",ADData[DataIndex]);
printf ("\n\nStop Trigger Source: Counter 0 \n");
if (Status==RUNNING)
printf ("Waiting for stop trigger...\n");
else
printf ("\n\nTriggered!");
}
/* else
{
MoveCursor (Col, Row + 11);
printf ("\nTriggered!");
}*/
}
printf ("\n");
MoveCursor (Col, Row + 13);
printf ("Data collection terminated.");
}
/* The BACKGROUND operation must be explicitly stopped
Parameters:
BoardNum :the number used by CB.CFG to describe this board
FunctionType: A/D operation (DAQIFUNCTION)*/
ULStat = cbStopBackground (BoardNum,DAQIFUNCTION);
cbWinBufFree((int)ADData);
MoveCursor (1, 22);
printf ("\n");
}
LONG FAR PASCAL
MainMessageHandler(HWND hWnd, UINT Message, WPARAM wParam, LPARAM lParam)
{
HDC hDC; /* handle for the display device */
PAINTSTRUCT ps; /* holds PAINT information */
TEXTMETRIC tm; /* holds TEXT information */
static unsigned short *ADValues; /* Win32 pointer */
static HGLOBAL MemHandle32;
static short CurStatus;
static HRGN hRgn; /* Rectangle region Handles */
static int CharWidth, CharHeight;
static HGLOBAL MemHandle;
int x, y, i;
long Count, Rate;
char OutString[80], *str;
float Voltage;
unsigned short CurValue;
switch (Message) /* Windows Message Loop */
{
case WM_CREATE:
hDC = GetDC(hWndMain); /* Get the device context for window */
GetTextMetrics(hDC, &tm); /* From context, get size of font */
CharWidth = tm.tmAveCharWidth;
CharHeight = tm.tmHeight + tm.tmExternalLeading;
ReleaseDC(hWndMain, hDC);
hRgn = CreateRectRgn(0,0, CharWidth*30, CharHeight*20);
/* Allocate a Windows buffer */
MemHandle = cbWinBufAlloc ((long)BUF_SIZE);
/* WIN32: This code is added to be able access more than */
/* 32K words of data. */
/* WIN32: allocate a local WIN32 buffer to hold A/D Data */
MemHandle32 = GlobalAlloc(GMEM_FIXED | GMEM_DDESHARE, BUF_SIZE *sizeof(short));
/* Get a 32-bit pointer to the WIN32 buffer */
ADValues = (unsigned short *)GlobalLock(MemHandle32);
/* Start up A/D scan */
Count = BUF_SIZE;
Rate = BUF_SIZE / NUM_SECS;
cbAInScan (BOARD_NUM, 0, 0, Count, &Rate, ADRANGE, MemHandle,
CONVERTDATA);
break;
case WM_PAINT: /* Repaint client area of window */
hDC = BeginPaint(hWndMain, &ps);
x = CharWidth * 2; /* Position cursor within window */
y = CharHeight; /* One line down and 2 chars in */
str = " A/D Info"; /* Print title */
TextOut(hDC, x, y, str, strlen (str));
Count = BUF_SIZE;
/* Copy Data from memory to 32-bit memory buffer */
cbWinBufToArray( MemHandle, &ADValues[0], 0, Count );
for (i=0;i<=4;i++)
{
CurValue = ADValues[i];
y += CharHeight*2; /* Print raw data value */
sprintf (OutString,"Raw A/D value(%d) = %u ", i, CurValue);
TextOut(hDC, x, y, OutString, strlen (OutString));
y += CharHeight; /* Convert raw A/D to volts and print */
cbToEngUnits(BOARD_NUM,ADRANGE,CurValue,&Voltage);
sprintf (OutString,"Voltage = %.2f ", Voltage);
TextOut(hDC, x, y, OutString, strlen (OutString));
}
SetTextAlign(hDC, TA_LEFT | TA_TOP);
EndPaint(hWndMain, &ps);
break;
case WM_CLOSE: /* Close the window */
DestroyWindow(hWnd);
if (hWnd == hWndMain)
PostQuitMessage(0); /* Send message to Quit application */
if (MemHandle)
cbWinBufFree (MemHandle); /* Free allocated memory */
if ( MemHandle32 )
GlobalFree( MemHandle32 );
break;
default:
return (DefWindowProc(hWnd, Message, wParam, lParam));
}
return (0l);
}
void MainWindow::on_startButton_clicked()
{
/* Variable Declarations */
int BoardNum = 0;
int ULStat = 0;
int LowChan = 0;
int HighChan = 2;
int Gain = BIP10VOLTS;
short Status = RUNNING;
long CurCount;
long CurIndex;
long Rate = 100;
Count = (HighChan+1)*1000;
channels = HighChan-LowChan+1;
unsigned Options;
float revision = (float)CURRENTREVNUM;
BOOL HighResAD = FALSE;
int ADRes;
SamplingThread samplingThread;
samplingThread.setInterval( 0.1 );
/* Declare Revision level of the Universal Library */
ULStat = cbDeclareRevision(&revision);
/* Initiate error handling
Parameters:
PRINTALL :all warnings and errors encountered will be printed
DONTSTOP :program will continue even if error occurs.
Note that STOPALL and STOPFATAL are only effective in
Windows applications, not Console applications.
*/
cbErrHandling (PRINTALL, DONTSTOP);
/* Get the resolution of A/D */
cbGetConfig(BOARDINFO, BoardNum, 0, BIADRES, &ADRes);
/* check If the resolution of A/D is higher than 16 bit.
If it is, then the A/D is high resolution. */
if(ADRes > 16)
HighResAD = TRUE;
/* set aside memory to hold data */
if(HighResAD)
{
MemHandle = cbWinBufAlloc32(Count);
ADData32 = (DWORD*) MemHandle;
}
else
{
MemHandle = cbWinBufAlloc(Count);
ADData = (WORD*) MemHandle;
}
/* Make sure it is a valid pointer */
if (!MemHandle)
exit(1); /* out of memory */
/* set up the display screen */
/* Demonstration of cbAInScan() */
/* Data are being collected in the BACKGROUND, CONTINUOUSLY */
/* Collect the values with cbAInScan() in BACKGROUND mode, CONTINUOUSLY
Parameters:
BoardNum :the number used by CB.CFG to describe this board
LowChan :low channel of the scan
HighChan :high channel of the scan
Count :the total number of A/D samples to collect
Rate :sample rate in samples per second
Gain :the gain for the board
ADData[] :the array for the collected data values
Options :data collection options */
Options = CONVERTDATA + BACKGROUND + CONTINUOUS;
ULStat = cbAInScan (BoardNum, LowChan, HighChan, Count, &Rate, Gain, MemHandle, Options);
samplingThread.start();
d_plot->start();
/* Your program could be doing something useful here while data are collected */
/* During the BACKGROUND operation, check the status */
//float EngUnits;
//QwtSystemClock checktimer;
//checktimer.start();
//StoredLocation=0;
//float v;
while (Status==RUNNING)
{
qApp->processEvents();
// // Check the status of the current background operation
// /*Parameters:
// BoardNum :the number used by CB.CFG to describe this board
// Status :current status of the operation (IDLE or RUNNING)
// CurCount :current number of samples collected
// CurIndex :index to the last data value transferred
// FunctionType: A/D operation (AIFUNCTIOM)*/
// ULStat = cbGetStatus (BoardNum, &Status, &CurCount, &CurIndex,AIFUNCTION);
// if (CurIndex==StoredLocation+1)
// {
// double elapsed=checktimer.elapsed();
// elapsed=elapsed/1000;
// int ENG = cbToEngUnits(BoardNum,BIP5VOLTS,ADData[CurIndex],&v);
// double v_double=(double)v;
// const QPointF s(elapsed, 1.0);
// SignalData::instance().append( s );
// StoredLocation=CurIndex;
// //printf("IIndex:%d\n",CurIndex);
// checktimer.restart();
// }
// //printf("OIndex:%d",CurIndex);
//// // check the current status of the background operation */
if ((Status == RUNNING) && CurCount > 0)
{
// int ENG = cbToEngUnits(BoardNum,BIP5VOLTS,ADData[CurIndex],&EngUnits);
// double v_double=static_cast<double>(EngUnits);
// printf (" Value: %d ",v_double);
// emit dataValueChanged(*EngUnits);
}
}
/* Data collection terminated */
/* The BACKGROUND operation must be explicitly stopped
Parameters:
BoardNum :the number used by CB.CFG to describe this board
FunctionType: A/D operation (AIFUNCTIOM)*/
}
