avr: t03 can now send and receive messages!

will change other nodes from com2 interface to new network interface.

avr/modules/network/main.asm

@@ -80,3 +80,24 @@ NET_GetNextIncomingMsgNum:
 
 
 
+; ---------------------------------------------------------------------------
+; @routine NET_GetPeekIncomingMsgNum @global
+;
+; @return CFLAG on success, cleared on error
+; @return R16 buffer number of the next incoming message
+; @param Y pointer to start of interface data
+; @clobbers R17, R18, X
+
+NET_PeekNextIncomingMsgNum:
+  push yl
+    push yh
+      ldi yl, LOW(netRingBufferMsgNumIn)
+      ldi yh, HIGH(netRingBufferMsgNumIn)
+      rcall RingBufferY_PeekByteGuarded         ; R17, R18, X
+    pop yh
+  pop yl
+  ret
+; @end
+
+
+