export value fields via macro

include/servicepoint.h

@@ -1166,9 +1166,9 @@ struct BitmapCommand */*notnull*/ sp_cmd_bitmap_from_bitmap(struct Bitmap */*not
 struct Bitmap */*notnull*/ sp_cmd_bitmap_get(struct BitmapCommand */*notnull*/ command);
 
 /**
- * Reads the compression kind of the [BitmapCommand].
+ *Gets the value of field `compression` of the [`servicepoint::BitmapCommand`].
  */
-CompressionCode sp_cmd_bitmap_get_compression(struct BitmapCommand */*notnull*/ command);
+CompressionCode sp_cmd_bitmap_get_compression(struct BitmapCommand */*notnull*/ instance);
 
 /**
  * Reads the origin field of the [BitmapCommand].
@@ -1196,10 +1196,10 @@ void sp_cmd_bitmap_set(struct BitmapCommand */*notnull*/ command,
                        struct Bitmap */*notnull*/ bitmap);
 
 /**
- * Overwrites the compression kind of the [BitmapCommand].
+ *Sets the value of field `compression` of the [`servicepoint::BitmapCommand`].
  */
-void sp_cmd_bitmap_set_compression(struct BitmapCommand */*notnull*/ command,
-                                   CompressionCode compression);
+void sp_cmd_bitmap_set_compression(struct BitmapCommand */*notnull*/ instance,
+                                   CompressionCode value);
 
 /**
  * Overwrites the origin field of the [BitmapCommand].
@@ -1231,19 +1231,19 @@ void sp_cmd_bitvec_free(struct BitVecCommand */*notnull*/ instance);
 BitVec *sp_cmd_bitvec_get(struct BitVecCommand */*notnull*/ command);
 
 /**
- * Reads the compression kind of the [BitVecCommand].
+ *Gets the value of field `compression` of the [`servicepoint::BitVecCommand`].
  */
-CompressionCode sp_cmd_bitvec_get_compression(struct BitVecCommand */*notnull*/ command);
+CompressionCode sp_cmd_bitvec_get_compression(struct BitVecCommand */*notnull*/ instance);
 
 /**
- * Reads the offset field of the [BitVecCommand].
+ *Gets the value of field `offset` of the [`servicepoint::BitVecCommand`].
  */
-Offset sp_cmd_bitvec_get_offset(struct BitVecCommand */*notnull*/ command);
+Offset sp_cmd_bitvec_get_offset(struct BitVecCommand */*notnull*/ instance);
 
 /**
- * Returns the [BinaryOperation] of the command.
+ *Gets the value of field `operation` of the [`servicepoint::BitVecCommand`].
  */
-BinaryOperation sp_cmd_bitvec_get_operation(struct BitVecCommand */*notnull*/ command);
+BinaryOperation sp_cmd_bitvec_get_operation(struct BitVecCommand */*notnull*/ instance);
 
 /**
  * Set pixel data starting at the pixel offset on screen.
@@ -1271,22 +1271,22 @@ void sp_cmd_bitvec_set(struct BitVecCommand */*notnull*/ command,
                        BitVec */*notnull*/ bitvec);
 
 /**
- * Overwrites the compression kind of the [BitVecCommand].
+ *Sets the value of field `compression` of the [`servicepoint::BitVecCommand`].
  */
-void sp_cmd_bitvec_set_compression(struct BitVecCommand */*notnull*/ command,
-                                   CompressionCode compression);
+void sp_cmd_bitvec_set_compression(struct BitVecCommand */*notnull*/ instance,
+                                   CompressionCode value);
 
 /**
- * Overwrites the offset field of the [BitVecCommand].
+ *Sets the value of field `offset` of the [`servicepoint::BitVecCommand`].
  */
-void sp_cmd_bitvec_set_offset(struct BitVecCommand */*notnull*/ command,
-                              Offset offset);
+void sp_cmd_bitvec_set_offset(struct BitVecCommand */*notnull*/ instance,
+                              Offset value);
 
 /**
- * Overwrites the [BinaryOperation] of the command.
+ *Sets the value of field `operation` of the [`servicepoint::BitVecCommand`].
  */
-void sp_cmd_bitvec_set_operation(struct BitVecCommand */*notnull*/ command,
-                                 BinaryOperation operation);
+void sp_cmd_bitvec_set_operation(struct BitVecCommand */*notnull*/ instance,
+                                 BinaryOperation value);
 
 /**
  * Tries to turn a [BitVecCommand] into a [Packet].
@@ -1305,7 +1305,10 @@ struct GlobalBrightnessCommand */*notnull*/ sp_cmd_brightness_global_clone(struc
  */
 void sp_cmd_brightness_global_free(struct GlobalBrightnessCommand */*notnull*/ instance);
 
-Brightness sp_cmd_brightness_global_get(struct GlobalBrightnessCommand */*notnull*/ command);
+/**
+ *Gets the value of field `brightness` of the [`servicepoint::GlobalBrightnessCommand`].
+ */
+Brightness sp_cmd_brightness_global_get_brightness(struct GlobalBrightnessCommand */*notnull*/ instance);
 
 struct Packet */*notnull*/ sp_cmd_brightness_global_into_packet(struct GlobalBrightnessCommand */*notnull*/ command);
 
@@ -1317,10 +1320,10 @@ struct Packet */*notnull*/ sp_cmd_brightness_global_into_packet(struct GlobalBri
 struct GlobalBrightnessCommand */*notnull*/ sp_cmd_brightness_global_new(Brightness brightness);
 
 /**
- * Moves the provided bitmap to be contained in the command.
+ *Sets the value of field `brightness` of the [`servicepoint::GlobalBrightnessCommand`].
  */
-void sp_cmd_brightness_global_set(struct GlobalBrightnessCommand */*notnull*/ command,
-                                  Brightness brightness);
+void sp_cmd_brightness_global_set_brightness(struct GlobalBrightnessCommand */*notnull*/ instance,
+                                             Brightness value);
 
 /**
  *Clones a [BrightnessGridCommand] instance.
@@ -1712,12 +1715,17 @@ void sp_packet_free(struct Packet */*notnull*/ instance);
 struct Packet */*notnull*/ sp_packet_from_parts(struct Header header,
                                                 struct ByteSlice payload);
 
+/**
+ *Gets the value of field `header` of the [`servicepoint::Packet`].
+ */
+struct Header sp_packet_get_header(struct Packet */*notnull*/ instance);
+
 /**
  * Returns a pointer to the header field of the provided packet.
  *
  * The returned header can be changed and will be valid for the lifetime of the packet.
  */
-struct Header */*notnull*/ sp_packet_get_header(struct Packet */*notnull*/ packet);
+struct Header */*notnull*/ sp_packet_get_header_mut(struct Packet */*notnull*/ packet);
 
 /**
  * Returns a pointer to the current payload of the provided packet.
@@ -1738,6 +1746,12 @@ struct ByteSlice sp_packet_get_payload(struct Packet */*notnull*/ packet);
 void sp_packet_serialize_to(struct Packet */*notnull*/ packet,
                             struct ByteSlice buffer);
 
+/**
+ *Sets the value of field `header` of the [`servicepoint::Packet`].
+ */
+void sp_packet_set_header(struct Packet */*notnull*/ instance,
+                          struct Header value);
+
 /**
  * Sets the payload of the provided packet to the provided data.
  *