GBS Elektronik MCA166-USB User Manual

Page 56

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MCA166-USB

Name

MMCA_QUERY_SPECTRA

Description

The command read the MMCA spectrum data.

1. Parameter

No. of 1. Channel and read out

control

37

integer value

2. Parameter

Compress factor (1 ... 32)

long value

Result array

Channel contents N

long value

Byte Offset 4

Channel contents N+1

long value

...

Byte Offset 124

Channel contents N+31

long value

Byte Offset 128

Buffer state

38

integer value

Return Code

see MMCA_RESET command

Name

MMCA_QUERY_ENRICHMENT

Description

The command reads the begin and end of the 2 ROIs

1. Parameter

Peak begin

integer value

LLD<= begin < end

2. Parameter

Peak end

integer value

begin < end <= ULD, (end-begin) < 250

3. Parameter

Background begin

integer value

LLD<= begin < end

4. Parameter

Background end

integer value

begin < end <= ULD, (end-begin) < 250

Result array

Begin peak ROI

long value

Byte Offset 4

End peak ROI

long value

Byte Offset 8

Begin background
ROI

long value

Byte Offset 12

End background

ROI

long value

Return Code

see MMCA_RESET command

37 Read out control Bit[15:12], Channel number: Bit[11:0]

Bit[15:12] = 0x00 Read spectrum
Bit[15:12] = 0x01 Read MCS amplitude spectrum

Bit[15:12] = 0x02 Read spectrum buffer and unlock buffer
Bit[15:12] = 0x03 Read spectrum buffer and lock buffer

Bit[15:12] = 0x07 Read MCS amplitude spectrum buffer and lock buffer
38 Read out buffer state

Bit[15] = 1

Buffer filled

Bit[14] = 1

Buffer overrun

56

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