initial bidirectionality

cangen/CANField.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 from typing import Optional
 from dataclasses import dataclass
+import math
 
 @dataclass 
 class CANPoint:
@@ -13,6 +14,7 @@ class CANPoint:
     endianness : str = "big"
     final_type: str = "f32"
     format: Optional[str] = None
+    default: Optional[float] = 0
 
     def get_size_bytes(self):
         # Calculate max number of bytes to represent value
@@ -25,6 +27,9 @@ def get_size_bytes(self):
     def get_size_bits(self):
         return self.size
 
+    def get_size_min_bytes(self):
+        return math.ceil(self.size / 8.0) * 8 
+
 @dataclass
 class NetField:
     '''

cangen/CANMsg.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 from dataclasses import dataclass
+from typing import Optional
 from .CANField import NetField
 
 @dataclass
@@ -11,5 +12,19 @@ class CANMsg:
     desc: str   # Brief name of CAN message, used for generating function names
     fields: list[NetField] # List of CAN fields in the message
 
-    def __setstate__(self, state):
-        self.__init__(**state)
+@dataclass
+class EncodableCANMsg(CANMsg):
+    '''
+    Represents a CAN message that can also be encoded to using the command_data protobuf spec.
+    Has all properties of a decodable message, but also has a key and optional is_ext field.
+
+    IMPORTANT: Use the default flag in each CANPoint to specify a default value to be sent before a command is sent.
+    '''
+    '''
+    The name to be used to look up command data over mqtt
+    '''
+    key: str
+    '''
+    Whether the CAN ID is extended or standard
+    '''
+    is_ext: Optional[bool] = False

cangen/Result.py

@@ -6,8 +6,14 @@ class Result:
    master_mapping is the synthesized Rust code for the master_mapping.rs file.
    """
    decode_data: str
-   master_mapping: str
+   decode_master_mapping: str
+   encode_data: str
+   encode_master_mapping: str
+   format_data: str
 
-   def __init__(self, decode_data: str, master_mapping: str):
+   def __init__(self, decode_data: str, master_mapping: str, encode_data: str, encode_master_mapping: str, format_data: str):
       self.decode_data = decode_data
-      self.master_mapping = master_mapping
+      self.decode_master_mapping = master_mapping
+      self.encode_data = encode_data
+      self.encode_master_mapping = encode_master_mapping
+      self.format_data = format_data