GBS Elektronik MCA-166 Communication DLL - Manual (Page 25)

Description of the MCA Communication DLL
Name MMCA_QUERY_CENTROID
Description The function reads peak centroid of the specified ROI
Declaration
ERROR_FLAG CALLBACK MMCA_QUERY_CENTROID(unsigned short unRoiBegin,
unsigned short unRoiEnd,
LPSTR rec_data)
unRoiBegin
Peak ROI begin: LLD<= begin < end
unRoiEnd
Peak ROI end: begin < end <= ULD, (end-begin) < 250
rec_data
Pointer to a QUERRY_CENTROID structure.
See CMD_QUERY_CENTROID, mca_comm.h or mca32com.bas.
Return value See MCA_COMM function
Name MMCA_QUERY_VOLTAGE_CURRENT
Description The function reads the voltages and currents from the MCA.
Declaration
ERROR_FLAG CALLBACK MMCA_QUERY_VOLTAGE_CURRENT(LPSTR rec_data);
rec_data
Pointer to a QUERRY_VOLTAGE_CURRENT structure.
See CMD_QUERY_VOLTAGE_CURRENT, mca_comm.h or mca32com.bas.
Return value See MCA_COMM function
Name MMCA_QUERY_COMMON_MEMORY
Description The function reads the common memory from the MCA527.
Declaration
ERROR_FLAG CALLBACK MMCA_QUERY_COMMON_MEMORY(unsigned long ulOffset,
unsigned short* lpunData);
ulOffset
Even-numbered offset to be read from.
lpunData
Pointer to an array of 720 unsigned short values.
See CMD_QUERY_COMMON_MEMORY, mca_comm.h or mca32com.bas.
Return value See MCA_COMM function
Remarks This function is only usable for MCA527.
Name MMCA_QUERY_HISTOGRAM
Description The function causes the MCA527 to acquire a histogram from 500.000 ADC samples (= 50 ms).
Declaration
ERROR_FLAG CALLBACK MMCA_QUERY_HISTOGRAM(unsigned short unOffset,
unsigned short unCompressFactor,
unsigned long* lpulData);
unOffset
Offset to be read from (0 ... 16384 – 256 * class interval width).
unCompressFactor
Class interval width ( 1, 2, 4 ... 64).
lpunData
Pointer to an array of 256 unsigned long values.
Return value See MCA_COMM function
Remarks This function is only usable for MCA527. See CMD_QUERY_HISTORY, mca_comm.h or
mca32com.bas.
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