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litescope
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optional parameter to pass in the SoC CSR CSV, in addition to the analyzer CSV, necessary if the SoC was build with a --csr-csv other than csr.csv. Also improve the error messages a bit.

This commit is contained in:
Simon Thornington 2021-04-10 13:07:14 -04:00
parent f7a9672284
commit 2f37678b61
1 changed files with 8 additions and 3 deletions
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11
litescope/software/litescope_cli.py
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@ -84,6 +84,7 @@ def parse_args():
metavar=("TRIGGER", "VALUE"))
parser.add_argument("-l", "--list", action="store_true", help="List signal choices")
parser.add_argument("--csv", default="analyzer.csv", help="Analyzer CSV file")
parser.add_argument("--csr-csv", default="csr.csv", help="SoC CSV file")
parser.add_argument("--group", default="0", help="Capture Group")
parser.add_argument("--subsampling", default="1", help="Capture Subsampling")
parser.add_argument("--offset", default="32", help="Capture Offset")
@ -99,7 +100,8 @@ def main():
# Check if analyzer file is present and exit if not.
if not os.path.exists(args.csv):
raise ValueError("{} not found, exiting.".format(args.csv))
raise ValueError("{} not found. This is necessary to load the wires which have been tapped to scope."
"Try setting --csv to value of the csr_csv argument to LiteScopeAnalyzer in the SoC.".format(args.csv))
sys.exit(1)
# Get list of signals from analyzer configuratio file.
@ -112,7 +114,10 @@ def main():
sys.exit(0)
# Create and open remote control.
bus = RemoteClient()
if not os.path.exists(args.csr_csv):
raise ValueError("{} not found. This is necessary to load the 'regs' of the remote. Try setting --csr-csv here to "
"the path to the --csr-csv argument of the SoC build.".format(args.csr_csv))
bus = RemoteClient(csr_csv=args.csr_csv)
bus.open()
# Configure and run LiteScope analyzer.
@ -130,7 +135,7 @@ def main():
analyzer.upload()
analyzer.save(args.dump)
# Close remove control.
# Close remove control.M#
finally:
bus.close()