test/test_la.py

   1 import sys
   2 from config import *
   3 from tools import *
   4 from bist import *
   5 from litescope.host.driver import LiteScopeLADriver
   6
   7 la = LiteScopeLADriver(wb.regs, "la")
   8 identify = LiteSATABISTIdentifyDriver(wb.regs, "sata_bist")
   9 generator = LiteSATABISTGeneratorDriver(wb.regs, "sata_bist")
  10 checker = LiteSATABISTCheckerDriver(wb.regs, "sata_bist")
  11 wb.open()
  12 regs = wb.regs
  13 ###
  14
  15 trig = "now"
  16 if len(sys.argv) < 2:
  17         print("No trigger condition, triggering immediately!")
  18 else:
  19         trig = sys.argv[1]
  20
  21 conditions = {}
  22 conditions["now"] = {}
  23 conditions["id_cmd"] = {
  24         "sata_command_tx_sink_stb"                              : 1,
  25         "sata_command_tx_sink_payload_identify" : 1,
  26 }
  27 conditions["id_resp"] = {
  28         "source_source_payload_data" : primitives["X_RDY"],
  29 }
  30 conditions["wr_cmd"] = {
  31         "sata_command_tx_sink_stb"                      : 1,
  32         "sata_command_tx_sink_payload_write"    : 1,
  33 }
  34 conditions["wr_resp"] = {
  35         "sata_command_rx_source_stb"                    : 1,
  36         "sata_command_rx_source_payload_write"  : 1,
  37 }
  38 conditions["rd_cmd"] = {
  39         "sata_command_tx_sink_stb"                      : 1,
  40         "sata_command_tx_sink_payload_read"     : 1,
  41 }
  42 conditions["rd_resp"] = {
  43         "sata_command_rx_source_stb"                    : 1,
  44         "sata_command_rx_source_payload_read"   : 1,
  45 }
  46
  47 la.configure_term(port=0, cond=conditions[trig])
  48 la.configure_sum("term")
  49
  50 # Run Logic Analyzer
  51 la.run(offset=64, length=1024)
  52
  53 #identify.run(blocking=False)
  54 generator.run(0, 2, 1, 0, blocking=False)
  55 #checker.run(0, 2, 1, 0, blocking=False)
  56
  57 while not la.done():
  58         pass
  59
  60 la.upload()
  61 la.save("dump.vcd")
  62 ###
  63 wb.close()
  64
  65 f = open("dump_link.txt", "w")
  66 data = link_trace(la,
  67         tx_data_name="sink_sink_payload_data",
  68         rx_data_name="source_source_payload_data"
  69 )
  70 f.write(data)
  71 f.close()