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andorCCD.cpp
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/**
* FastCCD.cpp
* derived from andorCCD.cpp
* Area Detector driver for the Andor CCD.
*
* Ver
* 0.1 YF 1/20/14
* 0.2 YF 3/3/14
*
*/
#include <stdio.h>
#include <string.h>
#include <string>
#include <unistd.h>
#include <epicsTime.h>
#include <epicsThread.h>
#include <epicsEvent.h>
#include <epicsString.h>
#include <iocsh.h>
#include <epicsExport.h>
#include <epicsExit.h>
#ifdef _WIN32
#include "ATMCD32D.h"
#else
#include "atmcdLXd.h"
#endif
#include "andorCCD.h"
// Function prototypes for cin_power.c
extern "C" {
int cin_power_up();
int cin_power_down();
int CIN_set_bias(int val);
int CIN_set_clocks(int val);
int CIN_set_trigger(int val);
int CIN_get_trigger_status();
int CIN_set_exposure_time(float e_time);
int CIN_set_trigger_delay(float t_time);
int CIN_set_cycle_time(float c_time);
int CIN_set_trigger_mode(int val);
int CIN_trigger_start();
int CIN_trigger_stop();
}
static const char *driverName = "andorCCD";
//Definitions of static class data members
const epicsInt32 AndorCCD::AImageFastKinetics = ADImageContinuous+1;
const epicsUInt32 AndorCCD::AASingle = 1;
const epicsUInt32 AndorCCD::AAAccumulate = 2;
const epicsUInt32 AndorCCD::AARunTillAbort = 5;
const epicsUInt32 AndorCCD::AATimeDelayedInt = 9;
const epicsUInt32 AndorCCD::ATInternal = 0;
const epicsUInt32 AndorCCD::ATExternal1 = 1;
const epicsUInt32 AndorCCD::ATExternal2 = 2;
const epicsUInt32 AndorCCD::ATExternal1or2 = 3;
const epicsUInt32 AndorCCD::ASIdle = DRV_IDLE;
const epicsUInt32 AndorCCD::ASTempCycle = DRV_TEMPCYCLE;
const epicsUInt32 AndorCCD::ASAcquiring = DRV_ACQUIRING;
const epicsUInt32 AndorCCD::ASAccumTimeNotMet = DRV_ACCUM_TIME_NOT_MET;
const epicsUInt32 AndorCCD::ASKineticTimeNotMet = DRV_KINETIC_TIME_NOT_MET;
const epicsUInt32 AndorCCD::ASErrorAck = DRV_ERROR_ACK;
const epicsUInt32 AndorCCD::ASAcqBuffer = DRV_ACQ_BUFFER;
const epicsUInt32 AndorCCD::ASSpoolError = DRV_SPOOLERROR;
const epicsInt32 AndorCCD::ARFullVerticalBinning = 0;
const epicsInt32 AndorCCD::ARMultiTrack = 1;
const epicsInt32 AndorCCD::ARRandomTrack = 2;
const epicsInt32 AndorCCD::ARSingleTrack = 3;
const epicsInt32 AndorCCD::ARImage = 4;
const epicsInt32 AndorCCD::AShutterAuto = 0;
const epicsInt32 AndorCCD::AShutterOpen = 1;
const epicsInt32 AndorCCD::AShutterClose = 2;
//C Function prototypes to tie in with EPICS
static void andorStatusTaskC(void *drvPvt);
static void andorDataTaskC(void *drvPvt);
static void exitHandler(void *drvPvt);
//#define YF_LOCAL_EDITS 1
#undef YF_LOCAL_EDITS
#ifdef USE_LIBCIN
void AndorCCD::int_handler(int dummy){
cin_data_stop_threads();
exit(0); // YF valid in this context??
}
// YF New code
int AndorCCD::FCCD_Init()
{
int ret= 0;
#ifdef YF_LOCAL_EDITS
if(cin_init_data_port(&m_port, "192.168.11.112", 49201, "192.168.11.112", 49203, 1000))
#else
if(cin_init_data_port(&m_port, NULL, 0, NULL, 0, 1000))
#endif
{
printf("cin_init_data_port returned error \n");
return (-1);
}
else
{
printf("port.srvaddr = %s\n", m_port.srvaddr);
}
/* Start the main routine */
#ifdef YF_LOCAL_EDITS
if( (ret = cin_data_init(CIN_DATA_MODE_PUSH_PULL, 50, 50)) )
#else
if( (ret = cin_data_init(CIN_DATA_MODE_PUSH_PULL, 2000, 2000)))
#endif
{
printf("cin_data_init returned error:%d \n",ret);
return (-1);
}
else
{
printf("cin_data_init. No error \n");
}
// YF Not sure how to implement this in c++.
// signal(SIGINT, int_handler); // YF: requires C linkage. May not work with class method :-(
// cin_data_start_monitor_output();
return (0);
}
int AndorCCD::FCCD_GetImage()
{
size_t dims[2];
int nDims = 2;
uint16_t frame_number;
NDDataType_t dataType;
dims[0] = CIN_DATA_FRAME_WIDTH;
dims[1] = CIN_DATA_FRAME_HEIGHT;
dataType = NDUInt16; // kick it.
m_pArray = this->pNDArrayPool->alloc(nDims, dims, dataType,
0, NULL);
if (m_pArray)
{
// Load the buffer. Pass in memory allocated in NDArrayPool
cin_data_load_frame((uint16_t *)m_pArray->pData, &frame_number);
printf("cin_data_load_frame. frame->number %u\n", frame_number);
return (0);
}
else
{
printf("********** cin_data_load_frame error ****************\r\n");
return (-1); // error
}
}
#endif
/** Constructor for Andor driver; most parameters are simply passed to ADDriver::ADDriver.
* After calling the base class constructor this method creates a thread to collect the detector data,
* and sets reasonable default values the parameters defined in this class, asynNDArrayDriver, and ADDriver.
* \param[in] portName The name of the asyn port driver to be created.
* \param[in] maxBuffers The maximum number of NDArray buffers that the NDArrayPool for this driver is
* allowed to allocate. Set this to -1 to allow an unlimited number of buffers.
* \param[in] maxMemory The maximum amount of memory that the NDArrayPool for this driver is
* allowed to allocate. Set this to -1 to allow an unlimited amount of memory.
* \param[in] installPath The path to the Andor directory containing the detector INI files, etc.
* This can be specified as an empty string ("") for new detectors that don't use the INI
* files on Windows, but must be a valid path on Linux.
* \param[in] priority The thread priority for the asyn port driver thread if ASYN_CANBLOCK is set in asynFlags.
* \param[in] stackSize The stack size for the asyn port driver thread if ASYN_CANBLOCK is set in asynFlags.
*/
AndorCCD::AndorCCD(const char *portName, int maxBuffers, size_t maxMemory,
const char *installPath, int priority, int stackSize)
: ADDriver(portName, 1, NUM_ANDOR_DET_PARAMS, maxBuffers, maxMemory,
asynEnumMask, asynEnumMask,
ASYN_CANBLOCK, 1, priority, stackSize)
{
int status = asynSuccess;
int i;
int binX=1, binY=1, minX=0, minY=0, sizeX, sizeY;
static const char *functionName = "AndorCCD";
if (installPath == NULL)
strcpy(mInstallPath, "");
else
mInstallPath = epicsStrDup(installPath);
/* Create an EPICS exit handler */
epicsAtExit(exitHandler, this);
createParam(AndorCoolerParamString, asynParamInt32, &AndorCoolerParam);
createParam(AndorTempStatusMessageString, asynParamOctet, &AndorTempStatusMessage);
createParam(AndorMessageString, asynParamOctet, &AndorMessage);
createParam(AndorShutterModeString, asynParamInt32, &AndorShutterMode);
createParam(AndorShutterExTTLString, asynParamInt32, &AndorShutterExTTL);
createParam(AndorPalFileNameString, asynParamOctet, &AndorPalFileName);
createParam(AndorAccumulatePeriodString, asynParamFloat64, &AndorAccumulatePeriod);
createParam(AndorPreAmpGainString, asynParamInt32, &AndorPreAmpGain);
createParam(AndorAdcSpeedString, asynParamInt32, &AndorAdcSpeed);
// YF Custom PV Records
createParam(FCCDSetBiasString, asynParamInt32, &FCCDSetBias);
createParam(FCCDSetClocksString, asynParamInt32, &FCCDSetClocks);
// Create the epicsEvent for signaling to the status task when parameters should have changed.
// This will cause it to do a poll immediately, rather than wait for the poll time period.
this->statusEvent = epicsEventMustCreate(epicsEventEmpty);
if (!this->statusEvent) {
printf("%s:%s epicsEventCreate failure for start event\n", driverName, functionName);
return;
}
// Use this to signal the data acquisition task that acquisition has started.
this->dataEvent = epicsEventMustCreate(epicsEventEmpty);
if (!this->dataEvent) {
printf("%s:%s epicsEventCreate failure for data event\n", driverName, functionName);
return;
}
if ( (i=FCCD_Init()) )
{
printf("FCCD_Init() error:%d\n", i);
}
// Initialize camera
try {
printf("%s:%s: initializing camera\n",
driverName, functionName);
setStringParam(AndorMessage, "Camera successfully initialized.");
// YF checkStatus(GetDetector(&sizeX, &sizeY));
// YF checkStatus(GetHeadModel(model));
// YF checkStatus(SetReadMode(ARImage));
// YF checkStatus(SetImage(binX, binY, minX+1, minX+sizeX, minY+1, minY+sizeY));
sizeX = CIN_DATA_FRAME_WIDTH;
sizeY = CIN_DATA_FRAME_HEIGHT;
callParamCallbacks();
} catch (const std::string &e) {
asynPrint(pasynUserSelf, ASYN_TRACE_ERROR,
"%s:%s: %s\n",
driverName, functionName, e.c_str());
return;
}
#if 0
// Initialize ADC enums
for (i=0; i<MAX_ADC_SPEEDS; i++) {
mADCSpeeds[i].EnumValue = i;
mADCSpeeds[i].EnumString = (char *)calloc(MAX_ENUM_STRING_SIZE, sizeof(char));
}
// Initialize Pre-Amp enums
for (i=0; i<MAX_PREAMP_GAINS; i++) {
mPreAmpGains[i].EnumValue = i;
mPreAmpGains[i].EnumString = (char *)calloc(MAX_ENUM_STRING_SIZE, sizeof(char));
}
#endif
/* Set some default values for parameters */
status = setStringParam(ADManufacturer, "FCCD");
status |= setStringParam(ADModel, ""); // Model ?
status |= setIntegerParam(ADSizeX, sizeX);
status |= setIntegerParam(ADSizeY, sizeY);
status |= setIntegerParam(ADBinX, 1);
status |= setIntegerParam(ADBinY, 1);
status |= setIntegerParam(ADMinX, 0);
status |= setIntegerParam(ADMinY, 0);
status |= setIntegerParam(ADMaxSizeX, sizeX);
status |= setIntegerParam(ADMaxSizeY, sizeY);
status |= setIntegerParam(ADImageMode, ADImageSingle);
status |= setIntegerParam(ADTriggerMode, AndorCCD::ATInternal);
mAcquireTime = 1.0;
status |= setDoubleParam (ADAcquireTime, mAcquireTime);
mAcquirePeriod = 5.0;
status |= setDoubleParam (ADAcquirePeriod, mAcquirePeriod);
status |= setIntegerParam(ADNumImages, 1);
status |= setIntegerParam(ADNumExposures, 1);
status |= setIntegerParam(NDArraySizeX, sizeX);
status |= setIntegerParam(NDArraySizeY, sizeY);
status |= setIntegerParam(NDDataType, NDUInt16);
status |= setIntegerParam(NDArraySize, sizeX*sizeY*sizeof(epicsUInt16));
mAccumulatePeriod = 2.0;
status |= setDoubleParam(AndorAccumulatePeriod, mAccumulatePeriod);
//status |= setIntegerParam(AndorAdcSpeed, 0);
//status |= setIntegerParam(AndorShutterExTTL, 1);
status |= setIntegerParam(AndorShutterMode, AShutterAuto);
status |= setDoubleParam(ADShutterOpenDelay, 0.);
status |= setDoubleParam(ADShutterCloseDelay, 0.);
// YF Set Default Bias off.
status |= setIntegerParam(FCCDSetBias, 0);
/// setupADCSpeeds();
/// setupPreAmpGains();
status |= setupShutter(-1);
// YF Set default trigger mode 1 = Single
checkStatus(CIN_set_trigger_mode( 1 ));
setStringParam(AndorMessage, "Defaults Set.");
callParamCallbacks();
/* Send a signal to the poller task which will make it do a poll, and switch to the fast poll rate */
epicsEventSignal(statusEvent);
// if (status) {
// printf("%s:%s: unable to set camera parameters\n", driverName, functionName);
// return;
// }
//Define the polling periods for the status thread.
mPollingPeriod = 0.2; //seconds
mFastPollingPeriod = 0.05; //seconds
mAcquiringData = 0;
if (stackSize == 0) stackSize = epicsThreadGetStackSize(epicsThreadStackMedium);
/* Create the thread that updates the detector status */
status = (epicsThreadCreate("AndorStatusTask",
epicsThreadPriorityMedium,
stackSize,
(EPICSTHREADFUNC)andorStatusTaskC,
this) == NULL);
if (status) {
printf("%s:%s: epicsThreadCreate failure for status task\n",
driverName, functionName);
return;
}
/* Create the thread that does data readout */
status = (epicsThreadCreate("AndorDataTask",
epicsThreadPriorityMedium,
stackSize,
(EPICSTHREADFUNC)andorDataTaskC,
this) == NULL);
if (status) {
printf("%s:%s: epicsThreadCreate failure for data task\n",
driverName, functionName);
return;
}
printf("CCD initialized OK!\n");
}
/**
* Destructor. Free resources and closes the Andor library
*/
AndorCCD::~AndorCCD()
{
static const char *functionName = "~AndorCCD";
try {
printf("Shutdown and freeing up memory...\n");
this->lock();
printf("Camera shutting down as part of IOC exit.\n");
cin_data_stop_threads();
this->unlock();
sleep(2);
// TODO cin_data_wait_for_threads();
} catch (const std::string &e) {
asynPrint(pasynUserSelf, ASYN_TRACE_ERROR,
"%s:%s: %s\n",
driverName, functionName, e.c_str());
}
printf("Destructor done.");
}
/**
* Exit handler, delete the AndorCCD object.
*/
static void exitHandler(void *drvPvt)
{
AndorCCD *pAndorCCD = (AndorCCD *)drvPvt;
delete pAndorCCD;
}
/// removed void AndorCCD::setupPreAmpGains()
asynStatus AndorCCD::readEnum(asynUser *pasynUser, char *strings[], int values[], int severities[],
size_t nElements, size_t *nIn)
{
int function = pasynUser->reason;
int i;
// YF debug
printf("***DEBUG: readEnum function %d\n", function);
#if 0
if (function == AndorAdcSpeed) {
for (i=0; ((i<mNumADCSpeeds) && (i<(int)nElements)); i++) {
if (strings[i]) free(strings[i]);
strings[i] = epicsStrDup(mADCSpeeds[i].EnumString);
values[i] = mADCSpeeds[i].EnumValue;
severities[i] = 0;
}
}
else if (function == AndorPreAmpGain) {
for (i=0; ((i<mNumPreAmpGains) && (i<(int)nElements)); i++) {
if (strings[i]) free(strings[i]);
strings[i] = epicsStrDup(mPreAmpGains[i].EnumString);
values[i] = mPreAmpGains[i].EnumValue;
severities[i] = 0;
}
}
else {
*nIn = 0;
return asynError;
}
#endif
return ADDriver::readEnum(pasynUser, strings, values, severities,nElements, nIn );
}
/// YF removed void AndorCCD::setupADCSpeeds()
/** Report status of the driver.
* Prints details about the detector in us if details>0.
* It then calls the ADDriver::report() method.
* \param[in] fp File pointed passed by caller where the output is written to.
* \param[in] details Controls the level of detail in the report. */
void AndorCCD::report(FILE *fp, int details)
{
int param1;
float fParam1;
int xsize, ysize;
int i;
char sParam[256];
unsigned int uIntParam1;
unsigned int uIntParam2;
unsigned int uIntParam3;
unsigned int uIntParam4;
unsigned int uIntParam5;
unsigned int uIntParam6;
///AndorADCSpeed_t *pSpeed;
static const char *functionName = "report";
fprintf(fp, "Andor CCD port=%s\n", this->portName);
if (details > 0) {
try {
//checkStatus(GetHeadModel(sParam));
//fprintf(fp, " Model: %s\n", sParam);
//checkStatus(GetCameraSerialNumber(¶m1));
//fprintf(fp, " Serial number: %d\n", param1);
//checkStatus(GetHardwareVersion(&uIntParam1, &uIntParam2, &uIntParam3,
// &uIntParam4, &uIntParam5, &uIntParam6));
//fprintf(fp, " PCB version: %d\n", uIntParam1);
//fprintf(fp, " Flex file version: %d\n", uIntParam2);
//fprintf(fp, " Firmware version: %d\n", uIntParam5);
//fprintf(fp, " Firmware build: %d\n", uIntParam6);
//checkStatus(GetVersionInfo(AT_SDKVersion, sParam, sizeof(sParam)));
//fprintf(fp, " SDK version: %s\n", sParam);
//checkStatus(GetVersionInfo(AT_DeviceDriverVersion, sParam, sizeof(sParam)));
//fprintf(fp, " Device driver version: %s\n", sParam);
getIntegerParam(ADMaxSizeX, &xsize);
getIntegerParam(ADMaxSizeY, &ysize);
fprintf(fp, " X pixels: %d\n", xsize);
fprintf(fp, " Y pixels: %d\n", ysize);
//fprintf(fp, " Number of amplifier channels: %d\n", mNumAmps);
fprintf(fp, " Number of ADC channels: %d\n", mNumADCs);
//fprintf(fp, " Number of pre-amp gains (total): %d\n", mTotalPreAmpGains);
//for (i=0; i<mTotalPreAmpGains; i++) {
// checkStatus(GetPreAmpGain(i, &fParam1));
// fprintf(fp, " Gain[%d]: %f\n", i, fParam1);
//}
//fprintf(fp, " Total ADC speeds: %d\n", mNumADCSpeeds);
//for (i=0; i<mNumADCSpeeds; i++) {
// pSpeed = &mADCSpeeds[i];
// fprintf(fp, " Amp=%d, ADC=%d, bitDepth=%d, HSSpeedIndex=%d, HSSpeed=%f\n",
// pSpeed->AmpIndex, pSpeed->ADCIndex, pSpeed->BitDepth, pSpeed->HSSpeedIndex, //pSpeed->HSSpeed);
//}
//fprintf(fp, " Pre-amp gains available: %d\n", mNumPreAmpGains);
//for (i=0; i<mNumPreAmpGains; i++) {
// fprintf(fp, " Index=%d, Gain=%f\n",
// mPreAmpGains[i].EnumValue, mPreAmpGains[i].Gain);
//}
//capabilities.ulSize = sizeof(capabilities);
//checkStatus(GetCapabilities(&capabilities));
//fprintf(fp, " Capabilities\n");
//fprintf(fp, " AcqModes=0x%X\n", (int)capabilities.ulAcqModes);
//fprintf(fp, " ReadModes=0x%X\n", (int)capabilities.ulReadModes);
//fprintf(fp, " FTReadModes=0x%X\n", (int)capabilities.ulFTReadModes);
//fprintf(fp, " TriggerModes=0x%X\n", (int)capabilities.ulTriggerModes);
//fprintf(fp, " CameraType=%d\n", (int)capabilities.ulCameraType);
//fprintf(fp, " PixelModes=0x%X\n", (int)capabilities.ulPixelMode);
//fprintf(fp, " SetFunctions=0x%X\n", (int)capabilities.ulSetFunctions);
//fprintf(fp, " GetFunctions=0x%X\n", (int)capabilities.ulGetFunctions);
//fprintf(fp, " Features=0x%X\n", (int)capabilities.ulFeatures);
//fprintf(fp, " PCI MHz=%d\n", (int)capabilities.ulPCICard);
//fprintf(fp, " EMGain=0x%X\n", (int)capabilities.ulEMGainCapability);
} catch (const std::string &e) {
asynPrint(pasynUserSelf, ASYN_TRACE_ERROR,
"%s:%s: %s\n",
driverName, functionName, e.c_str());
}
}
// Call the base class method
ADDriver::report(fp, details);
}
/** Called when asyn clients call pasynInt32->write().
* This function performs actions for some parameters, including ADAcquire, ADBinX, etc.
* For all parameters it sets the value in the parameter library and calls any registered callbacks..
* \param[in] pasynUser pasynUser structure that encodes the reason and address.
* \param[in] value Value to write. */
asynStatus AndorCCD::writeInt32(asynUser *pasynUser, epicsInt32 value)
{
int function = pasynUser->reason;
int adstatus = 0;
epicsInt32 oldValue;
asynStatus status = asynSuccess;
static const char *functionName = "writeInt32";
//Set in param lib so the user sees a readback straight away. Save a backup in case of errors.
getIntegerParam(function, &oldValue);
status = setIntegerParam(function, value);
if (function == ADAcquire)
{
if (value) // User clicked 'Start' button
{
// Send the hardware a start trigger command
CIN_trigger_start();
mAcquiringData = 1;
}
else // User clicked 'Stop' Button
{
// Send the hardware a stop trigger command
CIN_trigger_stop();
}
//getIntegerParam(ADStatus, &adstatus);
// if (value && (adstatus == ADStatusIdle)) {
// try {
// mAcquiringData = 1;
// //We send an event at the bottom of this function.
// } catch (const std::string &e) {
// asynPrint(pasynUserSelf, ASYN_TRACE_ERROR,
// "%s:%s: %s\n",
// driverName, functionName, e.c_str());
// status = asynError;
// }
// }
// if (!value && (adstatus != ADStatusIdle)) {
// try {
// asynPrint(this->pasynUserSelf, ASYN_TRACE_FLOW,
// "%s:%s:, AbortAcquisition()\n",
// driverName, functionName);
// // YF TODO checkStatus(AbortAcquisition());
// mAcquiringData = 0;
// asynPrint(this->pasynUserSelf, ASYN_TRACE_FLOW,
// "%s:%s:, FreeInternalMemory()\n",
// driverName, functionName);
// // YF TODO checkStatus(FreeInternalMemory());
// asynPrint(this->pasynUserSelf, ASYN_TRACE_FLOW,
// "%s:%s:, CancelWait()\n",
// driverName, functionName);
// // YF TODO checkStatus(CancelWait());
// } catch (const std::string &e) {
// asynPrint(pasynUserSelf, ASYN_TRACE_ERROR,
// "%s:%s: %s\n",
// driverName, functionName, e.c_str());
// status = asynError;
// }
// }
}
else if ((function == ADNumExposures) || (function == ADNumImages) ||
(function == ADImageMode) ||
(function == ADBinX) || (function == ADBinY) ||
(function == ADMinX) || (function == ADMinY) ||
(function == ADSizeX) || (function == ADSizeY) )
{
status = setupAcquisition();
if (status != asynSuccess) setIntegerParam(function, oldValue);
}
else if (function == AndorCoolerParam) {
try {
if (value == 0) {
asynPrint(this->pasynUserSelf, ASYN_TRACE_FLOW,
"%s:%s:, CoolerOFF()\n",
driverName, functionName);
// YF TODO checkStatus(CoolerOFF());
} else if (value == 1) {
asynPrint(this->pasynUserSelf, ASYN_TRACE_FLOW,
"%s:%s:, CoolerON()\n",
driverName, functionName);
// YF TODO checkStatus(CoolerON());
}
} catch (const std::string &e) {
asynPrint(pasynUserSelf, ASYN_TRACE_ERROR,
"%s:%s: %s\n",
driverName, functionName, e.c_str());
status = asynError;
}
}
else if (function == ADShutterControl) {
status = setupShutter(value);
}
else if (function == AndorShutterMode) {
status = setupShutter(-1);
}
else if (function == FCCDSetBias) {
CIN_set_bias(value);
}
else if (function == FCCDSetClocks) {
CIN_set_clocks(value);
}
else if (function == ADTriggerMode) {
// After set value, read back value
int gts;
CIN_set_trigger(value);
gts = CIN_get_trigger_status();
setIntegerParam(ADTriggerMode, gts);
// callParamCallbacks();
}
else {
status = ADDriver::writeInt32(pasynUser, value);
}
//For a successful write, clear the error message.
setStringParam(AndorMessage, " ");
/* Do callbacks so higher layers see any changes */
callParamCallbacks();
/* Send a signal to the poller task which will make it do a poll, and switch to the fast poll rate */
epicsEventSignal(statusEvent);
if (mAcquiringData) {
asynPrint(this->pasynUserSelf, ASYN_TRACE_FLOW,
"%s:%s:, Sending dataEvent to dataTask ...\n",
driverName, functionName);
//Also signal the data readout thread
epicsEventSignal(dataEvent);
}
if (status)
asynPrint(pasynUser, ASYN_TRACE_ERROR,
"%s:%s: error, status=%d function=%d, value=%d\n",
driverName, functionName, status, function, value);
else
asynPrint(pasynUser, ASYN_TRACEIO_DRIVER,
"%s:%s: function=%d, value=%d\n",
driverName, functionName, function, value);
return status;
}
/** Called when asyn clients call pasynFloat64->write().
* This function performs actions for some parameters.
* For all parameters it sets the value in the parameter library and calls any registered callbacks.
* \param[in] pasynUser pasynUser structure that encodes the reason and address.
* \param[in] value Value to write. */
asynStatus AndorCCD::writeFloat64(asynUser *pasynUser, epicsFloat64 value)
{
int function = pasynUser->reason;
asynStatus status = asynSuccess;
static const char *functionName = "writeFloat64";
int minTemp = 0;
int maxTemp = 0;
/* Set the parameter and readback in the parameter library. */
status = setDoubleParam(function, value);
if (function == ADAcquireTime) {
mAcquireTime = (float)value;
CIN_set_exposure_time(mAcquireTime);
status = asynSuccess;
// status = setupAcquisition();
}
else if (function == ADAcquirePeriod) {
mAcquirePeriod = (float)value;
CIN_set_cycle_time(mAcquirePeriod);
status = asynSuccess;
}
else if (function == ADGain) {
try {
asynPrint(this->pasynUserSelf, ASYN_TRACE_FLOW,
"%s:%s:, SetPreAmpGain(%d)\n",
driverName, functionName, (int)value);
// YF TODO checkStatus(SetPreAmpGain((int)value));
} catch (const std::string &e) {
asynPrint(pasynUserSelf, ASYN_TRACE_ERROR,
"%s:%s: %s\n",
driverName, functionName, e.c_str());
status = asynError;
}
}
else if (function == AndorAccumulatePeriod) {
mAccumulatePeriod = (float)value;
status = setupAcquisition();
}
else if (function == ADTemperature) {
asynPrint(this->pasynUserSelf, ASYN_TRACE_FLOW,
"%s:%s:, Setting temperature value %f\n",
driverName, functionName, value);
try {
asynPrint(this->pasynUserSelf, ASYN_TRACE_FLOW,
"%s:%s:, CCD Min Temp: %d, Max Temp %d\n",
driverName, functionName, minTemp, maxTemp);
// YF TODO checkStatus(GetTemperatureRange(&minTemp, &maxTemp));
if ((static_cast<int>(value) > minTemp) & (static_cast<int>(value) < maxTemp)) {
asynPrint(this->pasynUserSelf, ASYN_TRACE_FLOW,
"%s:%s:, SetTemperature(%d)\n",
driverName, functionName, static_cast<int>(value));
// YF TODO checkStatus(SetTemperature(static_cast<int>(value)));
} else {
setStringParam(AndorMessage, "Temperature is out of range.");
callParamCallbacks();
status = asynError;
}
} catch (const std::string &e) {
asynPrint(pasynUserSelf, ASYN_TRACE_ERROR,
"%s:%s: %s\n",
driverName, functionName, e.c_str());
status = asynError;
}
}
else if (function == ADShutterOpenDelay)
{
float fVal = (float)value;
CIN_set_trigger_delay(fVal);
}
else if (function == ADShutterCloseDelay) {
status = setupShutter(-1);
}
else {
status = ADDriver::writeFloat64(pasynUser, value);
}
//For a successful write, clear the error message.
setStringParam(AndorMessage, " ");
/* Do callbacks so higher layers see any changes */
callParamCallbacks();
if (status)
asynPrint(pasynUser, ASYN_TRACE_ERROR,
"%s:%s: error, status=%d function=%d, value=%f\n",
driverName, functionName, status, function, value);
else
asynPrint(pasynUser, ASYN_TRACEIO_DRIVER,
"%s:%s: function=%d, value=%f\n",
driverName, functionName, function, value);
return status;
}
/** Controls shutter
* @param[in] command 0=close, 1=open, -1=no change, only set other parameters */
asynStatus AndorCCD::setupShutter(int command)
{
double dTemp;
int openTime, closeTime;
int shutterMode;
asynStatus status=asynSuccess;
static const char *functionName = "setupShutter";
getDoubleParam(ADShutterOpenDelay, &dTemp);
// Convert to ms
openTime = (int)(dTemp * 1000.);
getDoubleParam(ADShutterCloseDelay, &dTemp);
closeTime = (int)(dTemp * 1000.);
if (command == ADShutterClosed) {
shutterMode = AShutterClose;
setIntegerParam(ADShutterStatus, ADShutterClosed);
}
else if (command == ADShutterOpen) {
if (shutterMode == AShutterOpen) {
setIntegerParam(ADShutterStatus, ADShutterOpen);
}
// No need to change shutterMode, we leave it alone and it shutter
// will do correct thing, i.e. auto or open depending shutterMode
}
return status;
}
/**
* Expect returnStatus to be zero, otherwise display error message.
*/
unsigned int AndorCCD::checkStatus(unsigned int returnStatus)
{
char message[256];
if (returnStatus == 0)
{
return 0;
}
else
{
printf("checkStatus failed\n.");
return (-1);
}
}
/**
* Update status of detector. Meant to be run in own thread.
*/
void AndorCCD::statusTask(void)
{
int value = 0;
// float temperature;
// unsigned int uvalue = 0;
unsigned int status = 0;
double timeout = 0.0;
unsigned int forcedFastPolls = 0;
static const char *functionName = "statusTask";
printf("%s:%s: Status thread started...\n", driverName, functionName);
while(1) {
//Read timeout for polling freq.
this->lock();
if (forcedFastPolls > 0) {
timeout = mFastPollingPeriod;
forcedFastPolls--;
} else {
timeout = mPollingPeriod;
}
this->unlock();
if (timeout != 0.0) {
status = epicsEventWaitWithTimeout(statusEvent, timeout);
} else {
status = epicsEventWait(statusEvent);
}
if (status == epicsEventWaitOK) {
asynPrint(pasynUserSelf, ASYN_TRACE_FLOW,
"%s:%s: Got status event\n",
driverName, functionName);
//We got an event, rather than a timeout. This is because other software
//knows that data has arrived, or device should have changed state (parameters changed, etc.).
//Force a minimum number of fast polls, because the device status
//might not have changed in the first few polls
forcedFastPolls = 5;
}
this->lock();
#if 0
try {
//Only read these if we are not acquiring data
if (!mAcquiringData) {
//Read cooler status
checkStatus(IsCoolerOn(&value));
status = setIntegerParam(AndorCoolerParam, value);
//Read temperature of CCD
checkStatus(GetTemperatureF(&temperature));
status = setDoubleParam(ADTemperatureActual, temperature);
}
//Read detector status (idle, acquiring, error, etc.)
// YF TODO checkStatus(GetStatus(&value));
uvalue = static_cast<unsigned int>(value);
if (uvalue == ASIdle) {
setIntegerParam(ADStatus, ADStatusIdle);
setStringParam(ADStatusMessage, "IDLE. Waiting on instructions.");
} else if (uvalue == ASTempCycle) {
setIntegerParam(ADStatus, ADStatusWaiting);
setStringParam(ADStatusMessage, "Executing temperature cycle.");
} else if (uvalue == ASAcquiring) {
setIntegerParam(ADStatus, ADStatusAcquire);
setStringParam(ADStatusMessage, "Data acquisition in progress.");
} else if (uvalue == ASAccumTimeNotMet) {
setIntegerParam(ADStatus, ADStatusError);
setStringParam(ADStatusMessage, "Unable to meet accumulate time.");
} else if (uvalue == ASKineticTimeNotMet) {
setIntegerParam(ADStatus, ADStatusError);
setStringParam(ADStatusMessage, "Unable to meet kinetic cycle time.");
} else if (uvalue == ASErrorAck) {
setIntegerParam(ADStatus, ADStatusError);
setStringParam(ADStatusMessage, "Unable to communicate with device.");
} else if (uvalue == ASAcqBuffer) {
setIntegerParam(ADStatus, ADStatusError);
setStringParam(ADStatusMessage, "Computer unable to read data from device at required rate.");
} else if (uvalue == ASSpoolError) {
setIntegerParam(ADStatus, ADStatusError);
setStringParam(ADStatusMessage, "Overflow of the spool buffer.");
}
} catch (const std::string &e) {
asynPrint(pasynUserSelf, ASYN_TRACE_ERROR,
"%s:%s: %s\n",
driverName, functionName, e.c_str());
setStringParam(AndorMessage, e.c_str());
}
#endif
/* Call the callbacks to update any changes */
callParamCallbacks();
this->unlock();
} //End of loop
}
/** Set up acquisition parameters */
asynStatus AndorCCD::setupAcquisition()
{
int numExposures;
int numImages;
int imageMode;
///int adcSpeed;
int triggerMode;
int binX, binY, minX, minY, sizeX, sizeY, maxSizeX, maxSizeY;
//float acquireTimeAct, acquirePeriodAct, accumulatePeriodAct;
// int FKmode = 4;
//int FKOffset;
// AndorADCSpeed_t *pSpeed;
static const char *functionName = "setupAcquisition";
getIntegerParam(ADImageMode, &imageMode);
getIntegerParam(ADNumExposures, &numExposures);
if (numExposures <= 0) {
numExposures = 1;
setIntegerParam(ADNumExposures, numExposures);
}
getIntegerParam(ADNumImages, &numImages);
if (numImages <= 0) {
numImages = 1;
setIntegerParam(ADNumImages, numImages);
}
getIntegerParam(ADBinX, &binX);
if (binX <= 0) {
binX = 1;
setIntegerParam(ADBinX, binX);
}
getIntegerParam(ADBinY, &binY);
if (binY <= 0) {
binY = 1;
setIntegerParam(ADBinY, binY);
}
getIntegerParam(ADMinX, &minX);
getIntegerParam(ADMinY, &minY);
getIntegerParam(ADSizeX, &sizeX);
getIntegerParam(ADSizeY, &sizeY);
getIntegerParam(ADMaxSizeX, &maxSizeX);
getIntegerParam(ADMaxSizeY, &maxSizeY);
if (minX > (maxSizeX - 2*binX)) {
minX = maxSizeX - 2*binX;
setIntegerParam(ADMinX, minX);
}
if (minY > (maxSizeY - 2*binY)) {
minY = maxSizeY - 2*binY;
setIntegerParam(ADMinY, minY);
}