Gbs-elektronik MCA-527 Firmware Commands Manual de usuario descargar pdf (Pagina 51)

Description of the MCA527 Firmware Commands

Name CMD_QUERY_OSCI_SCREEN

Compatibility New MCA527 command.

Execution right Necessary if the resolution index that is set with CMD_SET_OSCI_TRIGGER is larger than 0.

Description The command reads the data for the oscilloscope screen.

p: -1 or the previously returned position

Format integer integer long integer integer

Parameter Preamble command p 0 end flag

Byte string (HEX) A5 5A 12 01 p

... ... p

00 00 B9 9B

Result data array

Byte offset 0 Start position of the received data unsigned long

Byte offset 4 Start position of the subsequent data unsigned long

Byte offset 8 Data

unsigned short [500]

Byte offset 1008 Command flag and parameters 8 bytes

Byte offset 1016 Checksum unsigned short

Remarks The oscilloscope mode is described in document: “MCA527 Oscilloscope Mode”.

Name CMD_QUERY_OSCI_SCREEN_EX

Compatibility New MCA527 command.

Execution right Necessary if flags are set.

Description The command reads the data for the oscilloscope screen.

Flags: Bit 0: convolve data with trigger filter

Bit 1: convolve data with main filter

Format integer integer integer integer integer integer

Parameter Preamble command flags 0 0 end flag

Byte string (HEX) A5 5A 29 01 flags

flags

00 00 00 00 B9 9B

Result data array

Byte offset 0 Start position of the received data unsigned long

Byte offset 4 Data

unsigned short [720]

Byte offset 1404 Command flag and parameters 8 bytes

Byte offset 1412 Checksum unsigned short

Remarks This command has been added to extend the features of the oscilloscope. Corresponding to the

flags, the MCA527 convolves the data with the corresponding filters. The results can be

subsequently read with the commands CMD_QUERY_OSCI_TRIGGER_FILTER_RESULTS and

CMD_QUERY_OSCI_MAIN_FILTER_RESULTS.

The command is only usable if the resolution index that is set with CMD_SET_OSCI_TRIGGER is

not larger than 0.

The oscilloscope mode is described in document: “MCA527 Oscilloscope Mode”.

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Gbs-elektronik MCA-527 Firmware Commands Manual de usuario Pagina 51

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