damaris-backends/machines/deuteron_backend.cpp

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2014-06-26 11:10:51 +00:00
/* **************************************************************************
Author: Achim Gaedke
Created: June 2004
****************************************************************************/
#include "machines/hardware.h"
#include "core/core.h"
#include "drivers/Spectrum-MI40xxSeries/Spectrum-MI40xxSeries.h"
#include "drivers/SpinCore-PulseBlasterDDSIII/SpinCore-PulseBlasterDDSIII.h"
/**
\defgroup deuteronmachine Magnex Static Gradient NMR Spectrometer
\ingroup machines
Uses Spincore Pulseblaster DDSIII and Spectrum MI4021
\par Starting the hardware
Switch on the amplifier
@{
*/
/**
line 0 for gate
line 1 for pulse
line 2 for trigger
line 3 for sync active
*/
class deuteron_hardware: public hardware {
SpinCorePulseBlasterDDSIII* dds;
SpectrumMI40xxSeries* my_adc;
public:
deuteron_hardware(){
ttlout trigger;
trigger.id=0;
trigger.ttls=4; /* line 2 */
my_adc=new SpectrumMI40xxSeries(trigger);
dds=new SpinCorePulseBlasterDDSIII(0, // ttlout id
100e6, //clock
0x8); // sync active: line 3
the_adc=my_adc;
the_pg=dds;
the_fg=dds;
the_tc=NULL;
}
virtual result* experiment(const state& exp) {
result* r=NULL;
for(size_t tries=0; r==NULL && core::term_signal==0 && tries<102; ++tries) {
state* work_copy=exp.copy_flat();
if (work_copy==NULL) return new error_result(1,"could create work copy of experiment sequence");
try {
if (the_fg!=NULL)
the_fg->set_frequency(*work_copy);
if (the_adc!=NULL)
the_adc->set_daq(*work_copy);
// the pulse generator is necessary
dds->run_pulse_program_w_sync(*work_copy, my_adc->get_sample_clock_frequency());
// wait for pulse generator
the_pg->wait_till_end();
// after that, the result must be available
if (the_adc!=NULL)
r=the_adc->get_samples();
else
r=new adc_result(1,0,NULL);
}
catch (const RecoverableException &e)
{
r=new error_result(1,e.what());
}
delete work_copy;
if (core::quit_signal!=0) break;
}
return r;
}
virtual ~deuteron_hardware() {
if (the_adc!=NULL) {delete the_adc; the_adc=my_adc=NULL;}
if (the_pg!=NULL) {delete the_pg; the_pg=dds=NULL;}
if (the_tc!=NULL) delete the_tc;
}
};
/**
\brief brings standard core together with the deuteron spectrometer hardware
*/
class deuteron_core: public core {
std::string the_name;
public:
deuteron_core(const core_config& conf): core(conf) {
the_hardware=new deuteron_hardware();
the_name="deuteron";
}
virtual const std::string& core_name() const {
return the_name;
}
};
/**
@}
*/
int main(int argc, const char** argv) {
int return_result=0;
try {
core_config my_conf(argv, argc);
// setup input and output
deuteron_core my_core(my_conf);
// start core application
my_core.run();
}
catch(const DamarisException& e)
{
fprintf(stderr,"%s\n",e.what());
return_result=1;
}
return return_result;
}