From b9419520f408f3ae6df246da7fb1c1904c9967bc Mon Sep 17 00:00:00 2001
From: Martin Preuss <martin@aquamaniac.de>
Date: Sat, 26 Apr 2025 11:04:28 +0200
Subject: [PATCH] network: removed duplicate code.

---
 avr/modules/network/msg/common.asm | 93 ------------------------------
 1 file changed, 93 deletions(-)

diff --git a/avr/modules/network/msg/common.asm b/avr/modules/network/msg/common.asm
index a14bdf6..7b39be6 100644
--- a/avr/modules/network/msg/common.asm
+++ b/avr/modules/network/msg/common.asm
@@ -30,46 +30,6 @@ NETMSG_Common_AddUidToBuffer:
 
 
 
-; ---------------------------------------------------------------------------
-; @routine NETMSG_CalcAndAddChecksumByte @global
-;
-; @return CFLAG set if okay, clear otherwise
-; @return X  points behind checksum byte pos upon return
-; @param  X  pointer to packet buffer (points behind checksum upon return)
-; @clobbers R16, R17, R18, R19, R20, X
-
-NETMSG_CalcAndAddChecksumByte:
-  rcall netMsgCalcMsgChecksum           ; (R16, R17, R18, R19, R20, X)
-  st X+, r16                            ; add checksum byte
-  sec
-  ret
-; @end
-
-
-
-; ---------------------------------------------------------------------------
-; @routine NETMSG_CheckMessageInBuffer
-;
-; check message in buffer
-;
-; @return CFLAG set if okay, clear otherwise
-; @param X  pointer to packet buffer
-; @clobbers R16, R17 (R18, R19, R20, X)
-
-NETMSG_CheckMessageInBuffer:
-  rcall netMsgCalcMsgChecksum           ; (R16, R17, R18, R19, R20, X)
-  ld r17, X
-  cp r16, r17                           ; should be equal
-  brne netMsgCheckMessageInBuffer_error
-  sec
-  ret
-netMsgCheckMessageInBuffer_error:
-  clc
-  ret
-; @end
-
-
-
 ; ---------------------------------------------------------------------------
 ; @routine NETMSG_AddNextMsgIdToBuffer @global
 ;
@@ -96,56 +56,3 @@ NETMSG_AddNextMsgIdToBuffer:
 
 
 
-; ---------------------------------------------------------------------------
-; @routine netMsgCalcMsgChecksum
-;
-; calc checksum from msg buffer (except crc byte)
-;
-; @return r16 crc8 checksum
-; @return X points to position of checksum byte
-; @param X  pointer to packet buffer (points to checksum byte upon return)
-; @clobbers R18 (R16, R17, R19, R20, X)
-
-netMsgCalcMsgChecksum:
-  adiw xh:xl, NETMSG_OFFS_MSGLEN
-  ld r18, X                           ; read msg len
-  sbiw xh:xl, NETMSG_OFFS_MSGLEN
-  inc r18                             ; account for dest address
-  inc r18                             ; account for msg len byte
-  rjmp netMsgCrcCalc                  ; (R16, R17, R18, R19, R20, X)
-; @end
-
-
-
-; ---------------------------------------------------------------------------
-; @routine netMsgCrcCalc @global
-; calc checksum using given polynomial
-;
-; @return r16 calculated checksum
-; @return X   points directly after last checked byte
-; @param X    pointer to data to calc crc8 for
-; @param r18  number of bytes to calc crc8 for
-; @clobbers R16, R17, R18, R19, R20, X
-
-netMsgCrcCalc:
-  ldi r16, 0xff                 ; start crc
-  ldi r19, NETMSG_CRC8_POLYNOMIAL
-  
-netMsgCrcCalc_loop1:
-    ld r17, X+                  ; running var
-    eor r16, r17
-    ldi r20, 8                  ; counter for loop2
-netMsgCrcCalc_loop2:
-      lsl r16
-      brcc netMsgCrcCalc_l1
-      eor r16, r19
-netMsgCrcCalc_l1:
-      dec r20
-    brne netMsgCrcCalc_loop2
-    dec r18
-  brne netMsgCrcCalc_loop1
-  ret
-; @end
-
-
-