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s800_usb_daq_data_format [2015/10/28 19:42] pereira |
s800_usb_daq_data_format [2015/10/30 16:33] 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 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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{{: | {{: | ||
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+ | At present (Oct 2015), the FERA channel assignments are: | ||
+ | |||
+ | ^ Channel ^ Source | | ||
+ | | 0 | E1 up | | ||
+ | | 1 | E1 down | | ||
+ | | 3-15 | Free | | ||
==== Tag 0x7164: Phillips 7164 ADC module for ion chamber energies ==== | ==== Tag 0x7164: Phillips 7164 ADC module for ion chamber energies ==== | ||
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^ 0x7186 ^ hit pattern ^ ADC data... ^ 0xf186 | | ^ 0x7186 ^ hit pattern ^ ADC data... ^ 0xf186 | | ||
- | The TDC data contains all channels for which the hit pattern bit is set. The channel number is encoded in bits 12-15, while the data is in bits 0-11. The table below shows the channel assignments. | + | The TDC data contains all channels for which the hit pattern bit is set. The channel number is encoded in bits 12-15, while the data is in bits 0-11. The channel assignments |
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- | ^ Channel ^ Assignment | + | |
- | | 0 | E1_up | | + | |
- | | 1 | E1_down | | + | |
- | | 2-7 | Available | | + | |
- | | 8 | S800 source | | + | |
- | | 9 | External 1 source | | + | |
- | | 10 | External 2 source | | + | |
- | | 11 | Secondary source | | + | |
- | | 12 | RF TOF | | + | |
- | | 13 | Object TOF | | + | |
- | | 14 | XF TOF | | + | |
- | | 15 | Available | | + | |
==== Tag 0x4448: LeCroy4448 coincidence register module for hodoscope hit pattern ==== | ==== Tag 0x4448: LeCroy4448 coincidence register module for hodoscope hit pattern ==== | ||
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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 | + | The following |
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# | ||
^ 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 | |