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s800_usb_daq_data_format [2015/10/30 12:31]
pereira [Tag 0x4300: FERA module for plastic scintillator energies]
s800_usb_daq_data_format [2015/10/30 16:34]
pereira [Tag 0x2367: Trigger module]
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 These pages contain information about the USB controller based data acquisition software of the S800. Two crates are read by the software (one CAMAC and one VME), but more could be easily added to the software. These pages contain information about the USB controller based data acquisition software of the S800. Two crates are read by the software (one CAMAC and one VME), but more could be easily added to the software.
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 +
 +
  
 ===== CAMAC Crate data format ===== ===== CAMAC Crate data format =====
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 ==== Tag 0x2367: Trigger module ==== ==== Tag 0x2367: Trigger module ====
 +The [[Trigger|ULM trigger module]] provides a bit mask with information about the trigger sources, and a time-stamp value
  
 ^ 0x2367 ^ Trigger bits ^ TS 0-15 ^ TS 16-31 ^ TS 32-47 ^ TS 48-63 ^ 0xf367 | ^ 0x2367 ^ Trigger bits ^ TS 0-15 ^ TS 16-31 ^ TS 32-47 ^ TS 48-63 ^ 0xf367 |
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 The word 0xE800 identifies the origin of the event as from the S800 VME crate The word 0xE800 identifies the origin of the event as from the S800 VME crate
  
-The following words encode the 64 bit event number+The following 4 16-bit words encode the 64 bit event number
  
 The tags and end tags identify the modules being read, and encapsulate their data. The tags, end tags and their corresponding modules are listed below: The tags and end tags identify the modules being read, and encapsulate their data. The tags, end tags and their corresponding modules are listed below:
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 ==== Tag 0x5803: XLM72 time stamp module ==== ==== Tag 0x5803: XLM72 time stamp module ====
 +The [[Trigger#Time stamping|S800 VME time-stamp module]] is implemented in a XLM72 (SpartanXL) FPGA. The coding of the time-stamp is given by:
  
 ^ 0x5803 ^ TS bits 0-15 ^ TS bits 16-31 ^ TS bits 32-47 ^ TS bits 48-63 ^ 0xF803 | ^ 0x5803 ^ TS bits 0-15 ^ TS bits 16-31 ^ TS bits 32-47 ^ TS bits 48-63 ^ 0xF803 |
s800_usb_daq_data_format.txt ยท Last modified: 2018/05/11 14:09 by pereira