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XIA Pixie-32, Руководство пользователя

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XIA Pixie-32 Скачать руководство пользователя страница 11

Pixie-32 User Manual

Version 0.2  

 

Prepare for the run: open output files, initialize DMA and interrupts, and start data acquisition. In 
free-running mode, run time in seconds is displayed in 

​

Time,(s) 

​

text box. When checkbox near 

​

Time

​

 is 

checked, run time is set by preset time entered in the text box, and during run is counting down. 

 

[Stop] 

Stop data acquisition, record run statistics, close output files, free DMA and interrupt resources. 

​

[Stop]

 

can be used in either free-running, or time-preset mode. 

© 2017 XIA LLC

11 

Содержание Pixie-32

Страница 1: ...rnished by XIA LLC is believed to be accurate and reliable However no responsibility is assumed by XIA for its use or for any infringements of patents or other rights of third parties which may result...

Страница 2: ...b 10 Start 10 Stop 11 Statistics 12 Analysis 12 Appendix 16 Initialization file format 16 Configuration file format 16 List mode data format 19 Statistics file format 20 API functions 21 API Function...

Страница 3: ...ty a to repair damage resulting from attempts by personnel other than XIA LLC representatives to repair or service the product or b to repair damage resulting from improper use or connection to incomp...

Страница 4: ...ms in this font denote text or characters that you enter from the keyboard sections of code file contents and syntax examples Setup exe refers to a file called setup exe on the host computer window Te...

Страница 5: ...32 modules installed in the host computer and or chassis If the modules are installed ignore attempts by Windows to install drivers until step 7 NI controllers come with a multi CD package called Devi...

Страница 6: ...y installed as Pixie32 along with WinDriver under Jungo devices and have no resource conflicts 7 If kernel driver WinDriver and device driver Pixie32 need to be installed manually change in Drivers am...

Страница 7: ...ie32 py p32 ini Note that some operations can be applied to all modules at one boot configure run start run stop adjust offsets if All modules checkbox by the module list is marked Same operations can...

Страница 8: ...2 Configure tab Prior to performing any operations with the instrument FPGA must be booted with correct firmware file and internal FPGA registers initialized with user provided parameters Locations o...

Страница 9: ...ecessary in offline mode Not needed if instrument has been already booted just restarting the viewer software Configure Read in configuration file check parameter values apply them to the hardware Nee...

Страница 10: ...d trigger threshold must be adjusted so the events are recorded with reasonable dead time TraceMode when set to 3 trace is captured With other values only event headers are recorded QDCEnable when set...

Страница 11: ...un time in seconds is displayed in Time s text box When checkbox near Time is checked run time is set by preset time entered in the text box and during run is counting down Stop Stop data acquisition...

Страница 12: ...d Input Counting Rate Output Counting Rate Dead Time for selected module for all 32 channels Data is recorded in base_name s file for format description see below The statistics is also automatically...

Страница 13: ...n the current directory outputting event information into base_name b _TS txt file If the binary file has already been parsed the base_name b _TS txt file has been generated the time consuming parsing...

Страница 14: ...selected event is displayed in the event window along with recorded if configured so trace After binary file is successfully parsed MCA button is enabled and it opens window displaying time stamps vs...

Страница 15: ...Pixie 32 User Manual Version 0 2 2017 XIA LLC 15...

Страница 16: ...guration file format Filename should be in Configuration_base_name _m txt format is module number separate file for each module where Configuration_base_name is FipRegs by default but can be anything...

Страница 17: ...constraint concerning the sum value of the two trigger filter parameters 2 ShortFastLength ShortFastGap 63 ShortFastThreshold This is the threshold used by the trapezoidal trigger filter short in the...

Страница 18: ...TraceDelay 1016 PreampTau Sets preamplifier exponential decay time constant in microseconds BLScale The Pixie 32 measures baselines continuously and effectively extracts DC offsets from these measurem...

Страница 19: ...um Note the constraint 1 QDC1Len 32767 QDC2Len Sets the length of the third QDC sum Note the constraint 1 QDC2Len 32767 QDC3Len Sets the length of the fourth QDC sum Note the constraint 1 QDC3Len 3276...

Страница 20: ...for AS Valid range 0 floating point Filter_BW Setting per ADC channel i e only 4 entries Sets the 3 dB attenuation frequency for the antialiasing filter 0 14 MHz 1 10 MHz 2 7 5 MHz Coarse_Gain Settin...

Страница 21: ...recorded by the signal processing FPGA EVTTIME_LO 31 0 2 31 30 16 15 0 Bits 15 0 event time upper 16 bit of the 48 bit timestamp bits 30 16 trace start address unused bit 31 event finish code 0 good e...

Страница 22: ...31 28 27 16 15 12 11 0 Packing of ADC Data 2 and 3 Not used ADC Data 3 Not used ADC Data 2 Statistics file format Currently reported statistics registers livetime fast peaks number of events 2 32 bit...

Страница 23: ...statistics file and file_name b list mode file Read only parameters are set to 1 API functions Description of implemented API functions available to user P32_GetAPIVersion get version of library P32_...

Страница 24: ...e 0 decimal integer Serial number of module 1 if present and so on for all the modules in the chassis Devices are enumerated according to order in which they are entered in the configuration file Also...

Страница 25: ...r indicating the status of the function call 0 success negative error API Function Pixie_Acquire_Data Syntax S32 status Pixie_Acquire_Data uint16 Run_Type uint32 User_Data char file_name uint8 ModNum...

Страница 26: ...e the following functions rows given the desired operational mode columns Operation Run_Type Start run 0x1500 Stop run 0x3500 Read statistics 0x4500 Acquire ADC traces 0x4 Adjust DC offsets 0x83 All r...

Страница 27: ...s_m txt file Pixie_Acquire_Data 0x4 traces_ptr 0 only for single module force trigger and capture 2000 sample waveform for each channel Waveform data is returned to user via traces_ptr an array of 32...

Страница 28: ...ts serial number Calling Parameters U8 ModNum 0 based module number 0 15 for these chassis Return Parameters U32 serial_number 32 bit decimal integer serial number actually only 16 lower bits are vali...

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