65 lines
1.5 KiB
TeX
65 lines
1.5 KiB
TeX
\subsubsection{Bruker Magnet Controller B-EC-1}
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SANS is using a Bruker magnet controller. This controller is integrated
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into SICS as a derivate of an environment controller. The Bruker controller
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can be operated in two modes: in the first the current is controlled,
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in the second the current
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is controlled by an external hall sensor giving the magnetic field. Whatever
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is the controlling sensor, the magnetic field and the current need to be
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read. Furthermore this device supports switching the polarity. All this is
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achieved with a special driver and an additional wrapper function for
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handling extra commands. All this is implemented in the file bruker.h
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and bruker.c. The functions defined are:
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\begin{verbatim}
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pEVDriver CreateBrukerDriver(int argc, char *argv[]);
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int BrukerReadField(pEVControl self, float *fField);
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int BrukerReadCurrent(pEVControl self, float *fCurrent);
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int BrukerAction(SConnection *pCon, SicsInterp *pSics, void *pData,
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int argc, char *argv[]);
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\end{verbatim}
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\begin{description}
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\item[CreateBrukerDriver] creates a driver for the bruker magnet
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controller.
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\item[BrukerReadField] reads the current magnetic field.
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\item[BrukerReadCurrent] reads the current current in Ampere.
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\item[BrukerAction] a special SICS interpreter wrapper function for
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the Bruker Magnet. This function handles the few special Bruker
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commands and passes everything else to the standard environment
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controller handler function.
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\end{description}
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