finished the hub's logic, half done with the interfaces, and hopefully working on pi logic soon

protocol.md

@@ -1,14 +1,15 @@
 # The Specifications for ROSE
-Extensions to the protocol may change the specifications, see the
+Development on the protocol may change the specifications, see the
 devlogs for specific decisions on changes.
 
 ## Packet specifications
+### Packet size
+This is determined by the users after considering their applications
+during compilation/synthesis of their ROSE setup, the size must be a
+power of 2 (and long enough, >16 bytes is recommended).
 ### Header
-
-#### (1 byte) Command + packet size
-- Packet sizes are chosen out of 4 predetermined sizes.  Using only 2
-  bits in this byte to be represented.
-- Commands are 6 bits with 64 possibilities, see the **Commands**
+#### (1 byte) Command
+- Commands are 8 bits with 256 possibilities, see the **Commands**
   section for details.
 
 #### (1 byte) Destination address
@@ -19,13 +20,14 @@ devlogs for specific decisions on changes.
 
 ### Payload
 Via commands, leading or trailing bytes in the payload can also be
-repurposed to timestamps or other feature extensions.
+repurposed to feature extensions.
 
 ### (1 byte) CRC-8
 To ensure delivery.
 
 ## Commands
-TBD.
+1. `[CMD: 0]` Idle.
+2. `[CMD: 1]` Send packet.
 ### Feature Extensions
 #### [CMD: TBD] Include timestamp
 #### [CMD: TBD] Include sequence number