Entity: SsiFifoTb
- File: SsiFifoTb.vhd
Diagram
Description
Title : SSI Protocol: https://confluence.slac.stanford.edu/x/0oyfD
Company : SLAC National Accelerator Laboratory
Description: Simulation Testbed for testing the SsiFifo module
This file is part of 'SLAC Firmware Standard Library'. It is subject to the license terms in the LICENSE.txt file found in the top-level directory of this distribution and at: https://confluence.slac.stanford.edu/display/ppareg/LICENSE.html. No part of 'SLAC Firmware Standard Library', including this file, may be copied, modified, propagated, or distributed except according to
the terms contained in the LICENSE.txt file.
Signals
| Name | Type | Description |
|---|---|---|
| txClk | sl | |
| txRst | sl | |
| txRstL | sl | |
| txTrig | sl | |
| txForceEofe | sl | |
| txBusy | sl | |
| txMaster | AxiStreamMasterType | |
| txSlave | AxiStreamSlaveType | |
| txCtrl | AxiStreamCtrlType | |
| rxClk | sl | |
| rxRst | sl | |
| rxMaster | AxiStreamMasterType | |
| rxSlave | AxiStreamSlaveType | |
| prbsFlowCtrlMaster | AxiStreamMasterType | |
| prbsFlowCtrlSlave | AxiStreamSlaveType | |
| updated | sl | |
| errorDet | sl | |
| errLength | sl | |
| errDataBus | sl | |
| errEofe | sl | |
| errWordCnt | slv(31 downto 0) | |
| packetLength | slv(31 downto 0) | |
| cnt | slv(31 downto 0) | |
| trigCnt | slv(31 downto 0) | |
| failedVec | slv(6 downto 0) | |
| passed | sl | |
| failed | sl |
Constants
| Name | Type | Value | Description |
|---|---|---|---|
| CLK_PERIOD_C | time | 10 ns | |
| TPD_C | time | CLK_PERIOD_C/4 | |
| TX_PACKET_LENGTH_C | slv(31 downto 0) | x"0000_000F" | |
| PRBS_SEED_SIZE_C | natural | 32 | |
| PRBS_TAPS_C | NaturalArray | (0 => 31, 1 => 6, 2 => 2, 3 => 1) |
|
| PRBS_FLOW_CTRL_C | boolean | true | |
| NOT_PAUSE_FLOW_CONTROL_C | boolean | false | false for pause flow control |
| AXI_STREAM_CONFIG_C | AxiStreamConfigType | ( -- TDEST_INTERLEAVE_C => true, TSTRB_EN_C => false, TDATA_BYTES_C => 4, TDEST_BITS_C => 8, TID_BITS_C => 0, TKEEP_MODE_C => TKEEP_COMP_C, TUSER_BITS_C => 4, TUSER_MODE_C => TUSER_FIRST_LAST_C) |
Processes
- trig: ( txClk )
- error_checking: ( rxClk )
Description
--------------- Error Checking ---------------
- results: ( rxClk )
- unnamed: ( failed, passed )
Instantiations
- U_Fast: surf.ClkRst
- U_Slow: surf.ClkRst
- U_Tx: surf.SsiPrbsTx
Description
Data Source
- U_SsiFifo: surf.SsiFifo
Description
Module to be tested
- U_Rx: surf.SsiPrbsRx