FA125 Data Format June 23, 2015

Location and Time

Room: CC F326

Time: 2pm.

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Agenda

• Previous meeting (June 9, 2015)
• Status of FADC125 Firmware (report from Cody last week is in the minutes)
• Version 5.06, 23 June 2015
• Need to add NPK for number of peaks
• Need to eliminate unnecessary data modes
• Parameter PG to describe gap between pedestal sample and threshold crossing (replaces XTHR in user interface)

CDC sample data from many pulses with threshold crossing sample moved to bin 9

hit threshold 120, several peak amplitudes

all peak amplitudes, several hit thresholds

• Pedestal samples

Useful Links

• Timing algorithm - updated to include latest revisions
• fADC125 Data Format Specification Document
• Ver 5.01 in svn, 17 Feb 2015
• Version 5.03, 11 March 2015
• Version 5.06, 23 June 2015
• Data format for 250 modes on fADC125 from Cody, Aug 15 2014
• FA250 modes 2 from Ed and Hai, Feb 18 2014
• FIRMWARE for FADC250 Ver2 ADC FPGA, Sept 2014?
• FDC_pulse_data_format
• CDC readout needs Garfield calcs
• CDC_run_985 CDC_run_970

Minutes

Present:

1. Update from Cody last week - he synthesized the CDC combined mode and got some real (eventless) data through his test card using it - just headers, trigger time and trailer, he suppressed the event data just to make testing easier in these early stages. This shows that both the new daisy chain and backend architectures work. It looks like he will have to make separate CDC and FDC versions to get the firmware to fit onto the card. When he gets back he'll talk to Bryan about the driver.