42 lines
1.6 KiB
NASM
42 lines
1.6 KiB
NASM
; ***************************************************************************
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; copyright : (C) 2025 by Martin Preuss
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; email : martin@libchipcard.de
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;
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; ***************************************************************************
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; * This file is part of the project "AqHome". *
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; * Please see toplevel file COPYING of that project for license details. *
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; ***************************************************************************
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; ---------------------------------------------------------------------------
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; @routine NETMSG_SendStats_Write @global
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;
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; @param Y pointer to device to write msg for and to
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; @param X pointer to buffer to write to
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; @clobbers R16, R18 (R17, R19, R20, R21, Z)
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NETMSG_SendStats_Write:
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ldi r16, 0xff
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st X+, r16 ; dest address
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ldi r16, 12 ; msg code+src address+10 payload bytes
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st X+, r16 ; msg len
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ldi r16, NETMSG_CMD_SENDSTATS
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st X+, r16 ; msg code
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ldd r16, Y+NET_IFACE_OFFS_ADDRESS
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st X+, r16 ; src address
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rcall NETMSG_Common_AddUidToBuffer ; (R16, R18, R19, R20, R21)
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adiw yh:yl, NET_IFACE_OFFS_PACKETSOUT_LOW
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ldi r18, 6
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bigcall Utils_Copy_SDRAM ; (R17, R18, X, Y)
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sbiw yh:yl, NET_IFACE_OFFS_PACKETSOUT_LOW+6
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sbiw xh:xl, 14 ; go back to beginning of message (1 byte dst addr, 1 byte length, 12 bytes payload)
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rcall NETMSG_CalcAndAddChecksumByte ; (R16, R17, R18, R19, R20, X)
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sbiw xh:xl, 15 ; go back to beginning of message (1 byte dst addr, 1 byte length, 12 bytes payload, 1 byte crc)
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ret
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; @end
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