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avr: echoing messages via tty now basically works.

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This commit is contained in:
Martin Preuss
2025-02-13 23:52:55 +01:00
parent a7990db831
commit 6e25647c0a
6 changed files with 163 additions and 18 deletions
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41
avr/modules/network/msg/recvstats-w.asm Normal file
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; ***************************************************************************
; 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_RecvStats_Write @global
;
; @param Y pointer to device to write msg for and to
; @param X pointer to buffer to write to
; @clobbers R16, R18 (R17, R19, R20, R21, Z)
NETMSG_RecvStats_Write:
ldi r16, 0xff
st X+, r16 ; dest address
ldi r16, 18 ; msg code+src address+10 payload bytes
st X+, r16 ; msg len
ldi r16, NETMSG_CMD_RECVSTATS
st X+, r16 ; msg code
ldd r16, Y+NET_IFACE_OFFS_ADDRESS
st X+, r16 ; src address
rcall NETMSG_Common_AddUidToBuffer ; (R16, R18, R19, R20, R21)
adiw yh:yl, NET_IFACE_OFFS_PACKETSIN_LOW
ldi r18, 12
rcall Utils_Copy_SDRAM ; (R17, R18, X, Y)
sbiw yh:yl, NET_IFACE_OFFS_PACKETSIN_LOW+12
sbiw xh:xl, 20 ; go back to beginning of message (1 byte dst addr, 1 byte length, 18 bytes payload)
rcall NETMSG_CalcAndAddChecksumByte ; (R16, R17, R18, R19, R20, X)
sbiw xh:xl, 21 ; go back to beginning of message (1 byte dst addr, 1 byte length, 18 bytes payload, 1 byte crc)
ret
; @end