avr: fully implemented router functionality in network and router app.

avr/modules/network/msg/range-w.asm

@@ -0,0 +1,44 @@
+; ***************************************************************************
+; copyright   : (C) 2025 by Martin Preuss
+; email       : martin@libchipcard.de
+;
+; ***************************************************************************
+; * This file is part of the project "AqHome".                              *
+; * Please see toplevel file COPYING of that project for license details.   *
+; ***************************************************************************
+
+
+; ---------------------------------------------------------------------------
+; @routine NETMSG_Range_Write
+;
+; @param Y   pointer to device to write msg for
+; @param X   pointer to buffer to write to
+; @param R18 command
+; @param R20 range begin
+; @param R21 range end
+; @clobbers R16, R18 (R17, R19, R20, R21, Z)
+
+NETMSG_Range_Write:
+  ldi r16, 0xff
+  st X+, r16                             ; dest address
+  ldi r16, 8                             ; msg code+src address+6 payload bytes
+  st X+, r16                             ; msg len
+  st X+, r18                             ; msg code
+  ldd r16, Y+NET_IFACE_OFFS_ADDRESS
+  st X+, r16                             ; src address
+  push r20
+    push r21
+      rcall NETMSG_Common_AddUidToBuffer ; (R16, R18, R19, R20, R21)
+    pop r21
+  pop r20
+  st X+, r20                             ; range begin
+  st X+, r21                             ; range end
+  
+  sbiw xh:xl, 10  ; go back to beginning of message (1 byte dst addr, 1 byte length, 8 bytes payload)
+  rcall NETMSG_CalcAndAddChecksumByte    ; (R16, R17, R18, R19, R20, X)
+  sbiw xh:xl, 11 ; go back to beginning of message (1 byte dst addr, 1 byte length, 8 bytes payload, 1 byte crc)
+  ret
+; @end
+
+
+