avr/modules/network: added messages.

avr/modules/network/msg/0BUILD

@@ -12,8 +12,11 @@
     debug-w.asm
     device-w.asm
     memstats-w.asm
+    reboot-d.asm
+    reboot-r.asm
     recvstats-w.asm
     sendstats-w.asm
+    simplemsg-w.asm
     value-d.asm
     value-r.asm
     value-w.asm

avr/modules/network/msg/addr-d.asm

@@ -8,7 +8,7 @@
 ; ***************************************************************************
 
 
-#define NETMSG_ADDRESS_OFFS_UID     = 4
-#define NETMSG_ADDRESS_OFFS_ADDRESS = 8
+.equ NETMSG_ADDRESS_OFFS_UID     = 4
+.equ NETMSG_ADDRESS_OFFS_ADDRESS = 8
 
 

avr/modules/network/msg/common.asm

@@ -56,3 +56,39 @@ NETMSG_AddNextMsgIdToBuffer:
 
 
 
+; ---------------------------------------------------------------------------
+; @routine NETMSG_CheckUidInMsg
+;
+; Compare the UID from a message against our own UID.
+;
+; @param  X     pointer to UID in a message to compare against out own uid
+; @return CFLAG set if matches, cleared otherwise
+; @clobbers r16, r18, r19, r20, r21, X
+
+NETMSG_CheckUidInMsg:
+  push xl
+    push xh
+      rcall Utils_ReadUid
+    pop xh
+  pop xl
+  ld r16, X+
+  cp r16, r18
+  brne NETMSG_CheckUidInMsg_notMe
+  ld r16, X+
+  cp r16, r19
+  brne NETMSG_CheckUidInMsg_notMe
+  ld r16, X+
+  cp r16, r20
+  brne NETMSG_CheckUidInMsg_notMe
+  ld r16, X+
+  cp r16, r21
+  brne NETMSG_CheckUidInMsg_notMe
+  sec
+  ret
+NETMSG_CheckUidInMsg_notMe:
+  clc
+  ret
+; @end
+
+
+

avr/modules/network/msg/reboot-d.asm

@@ -0,0 +1,14 @@
+; ***************************************************************************
+; 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.   *
+; ***************************************************************************
+
+
+.equ NETMSG_REBOOTREQ_OFFS_UID  = 4
+
+
+

avr/modules/network/msg/reboot-r.asm

@@ -0,0 +1,41 @@
+; ***************************************************************************
+; 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.   *
+; ***************************************************************************
+
+
+; ***************************************************************************
+; code
+
+.cseg
+
+
+; ---------------------------------------------------------------------------
+; @routine NETMSG_RebootRequestRead @global
+; Read a VALUE message.
+;
+; @return CFLAG set if the UID from the message matches the uid of this node
+; @return R16 source address
+; @param  X       buffer to read from
+; @clobbers r16, r18, r19, r20, r21
+
+NETMSG_RebootRequestRead:
+  adiw xh:xl, NETMSG_OFFS_SRCADDR
+  ld r16, X
+  sbiw xh:xl, NETMSG_OFFS_SRCADDR
+  push r16
+    push xl
+      push xh
+        adiw xh:xl, NETMSG_REBOOTREQ_OFFS_UID
+        rcall NETMSG_CheckUidInMsg            ; (r16, r18, r19, r20, r21, X)
+      pop xh
+    pop xl
+  pop r16
+  ret
+; @end
+
+

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

@@ -0,0 +1,42 @@
+; ***************************************************************************
+; 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.   *
+; ***************************************************************************
+
+
+; ***************************************************************************
+; code
+
+.cseg
+
+
+
+; ---------------------------------------------------------------------------
+; @routine NETMSG_SimpleMsgWrite
+; Write a simple msg (only code and src address).
+;
+; @param  R16 dest addr
+; @param  R18 msg code
+; @param  X   buffer to write to
+; @param  Y   pointer to network interface data
+; @clobbers R18 (R16, R17, R19, R20, X)
+
+NETMSG_SimpleMsgWrite:
+  st X+, r16                          ; dest address
+  ldi r16, 2                          ; msg code+src address+0 payload bytes
+  st X+, r16                          ; msg len
+  st X+, r18                          ; msg code
+  ldd r16, Y+NET_IFACE_OFFS_ADDRESS
+  st X+, r16                          ; src address
+  
+  sbiw xh:xl, 4  ; go back to beginning of message (1 byte dst addr, 1 byte length, 2 bytes payload)
+  rcall NETMSG_CalcAndAddChecksumByte ; (R16, R17, R18, R19, R20, X)
+  sbiw xh:xl, 5 ; go back to beginning of message (1 byte dst addr, 1 byte length, 2 bytes payload, 1 byte crc)
+  ret
+; @end
+
+

avr/modules/network/msg/value-d.asm

@@ -8,9 +8,9 @@
 ; ***************************************************************************
 
 
-#define NETMSG_VALUE_OFFS_UID     = 4
-#define NETMSG_VALUE_OFFS_MSGID   = 8
-#define NETMSG_VALUE_OFFS_VALUEID = 10
-#define NETMSG_VALUE_OFFS_VALUE   = 12
-#define NETMSG_VALUE_OFFS_DENOM   = 14
+.equ NETMSG_VALUE_OFFS_UID      = 4
+.equ NETMSG_VALUE_OFFS_MSGID    = 8
+.equ NETMSG_VALUE_OFFS_VALUEID  = 10
+.equ NETMSG_VALUE_OFFS_VALUE    = 12
+.equ NETMSG_VALUE_OFFS_DENOM    = 14