avr/uart_hw: basically works for a while then stops...

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

@@ -0,0 +1,53 @@
+; ***************************************************************************
+; 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_Debug_Write @global
+;
+; @param Y pointer to device to write msg for
+; @param X pointer to buffer to write to
+; @param r0-14 value 1-15
+; @clobbers R16, R17, R18, R19, R20, R21
+
+NETMSG_Debug_Write:
+  ldi r16, 0xff
+  st X+, r16                          ; dest address
+  ldi r16, 17                         ; msg code+src address+15 payload bytes
+  st X+, r16                          ; msg len
+  ldi r16, NETMSG_CMD_DEBUG
+  st X+, r16                          ; msg code
+  ldd r16, Y+NET_IFACE_OFFS_ADDRESS
+  st X+, r16                          ; src address
+
+  st X+, r0                           ; 5th byte
+  st X+, r1
+  st X+, r2
+  st X+, r3
+  st X+, r4
+  st X+, r5
+  st X+, r6
+  st X+, r7
+  st X+, r8
+  st X+, r9
+  st X+, r10
+  st X+, r11
+  st X+, r12
+  st X+, r13
+  st X+, r14
+
+  sbiw xh:xl, 19 ; go back to beginning of message (1 byte dst addr, 1 byte length, 17 bytes payload)
+  rcall NETMSG_CalcAndAddChecksumByte ; (R16, R17, R18, R19, R20, X)
+  sbiw xh:xl, 20 ; go back to beginning of message (1 byte dst addr, 1 byte length, 17 bytes payload, 1 byte crc)
+  ret
+; @end
+
+
+