Release 260111

tools/cabana/dbc/generate_dbc_json.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+import argparse
+import json
+
+from opendbc.car import Bus
+from opendbc.car.fingerprints import MIGRATION
+from opendbc.car.values import PLATFORMS
+
+
+def generate_dbc_dict() -> dict[str, str]:
+  dbc_map = {}
+  for platform in PLATFORMS.values():
+    if platform != "MOCK":
+      if Bus.pt in platform.config.dbc_dict:
+        dbc_map[platform.name] = platform.config.dbc_dict[Bus.pt]
+      elif Bus.main in platform.config.dbc_dict:
+        dbc_map[platform.name] = platform.config.dbc_dict[Bus.main]
+      elif Bus.party in platform.config.dbc_dict:
+        dbc_map[platform.name] = platform.config.dbc_dict[Bus.party]
+      else:
+        raise ValueError("Unknown main type")
+
+  for m in MIGRATION:
+    if MIGRATION[m] in dbc_map:
+      dbc_map[m] = dbc_map[MIGRATION[m]]
+
+  return dbc_map
+
+
+if __name__ == "__main__":
+  parser = argparse.ArgumentParser(description="Generate mapping for all car fingerprints to DBC names and outputs json file",
+                                   formatter_class=argparse.ArgumentDefaultsHelpFormatter)
+
+  parser.add_argument("--out", required=True, help="Generated json filepath")
+  args = parser.parse_args()
+
+  with open(args.out, 'w') as f:
+    f.write(json.dumps(dict(sorted(generate_dbc_dict().items())), indent=2))
+  print(f"Generated and written to {args.out}")