added notes on files that aren't in the diagram

Brendan Whitfield · Brendan Whitfield · commit d9d7ff82bf24 · 2016-07-25T21:30:22.000-04:00
diff --git a/obd/README.md b/obd/README.md
@@ -24,3 +24,9 @@
 └───────────────────────┘
        Serial Port
 ```
+
+Not pictured:
+
+- `commands.py` : defines the various OBD commands, and which decoder they use
+- `codes.py` : stores tables of standardized values needed by `decoders.py` (mostly check-engine codes)
+- `OBDResponse.py` : defines structures/objects returned by the API in response to a query.
