DefaultSystemInterface.cpp

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#include "AcqSys.h"
#include <string.h>
 
 
 
#define PWM_MAGIC   0xbe8bb8fa          // makes for a good display
 
class DummySingleThreadControlSystemInterface: public SystemInterface {
 
public:
    DummySingleThreadControlSystemInterface(const HBA& hba) :
        SystemInterface(hba)
    {}
    static int DUP1;
 
    virtual void ringDoorbell(int sample){
        G::verbose && printf("%s(%d)\n", PFN, sample);
 
        short xx = IN.AI16[DUP1];
        for (int ii = 0; ii < AO16_count(); ++ii){
            OUT.AO16[ii] = xx;
        }
        unsigned tl = tlatch();
        for (int ii = 0; ii < DO32_count(); ++ii){
            OUT.DO32[ii] = tl;
        }
        for (int ii = 0; ii < PW32_count(); ++ii){
            for (int cc = 0; cc < PW32LEN; ++cc){
                OUT.PW32[ii][cc] = PWM_MAGIC;
            }
        }
    }
};
 
int DummySingleThreadControlSystemInterface::DUP1;
 
SystemInterface& SystemInterface::factory(const HBA& hba)
{
    if (G::verbose) printf("%s::%s\n", __FILE__, PFN);
 
    const char* key = getenv("SINGLE_THREAD_CONTROL");
    if (key){
        if (sscanf(key, "control_dup1=%d", &DummySingleThreadControlSystemInterface::DUP1) == 1 ||
            strcmp(key, "control_dup1") == 0){
            return * new DummySingleThreadControlSystemInterface(hba);
        }
    }
 
    return * new SystemInterface(hba);
}