80 lines
2.2 KiB
NASM
80 lines
2.2 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_MemStats_Write @global
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;
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; @param Y pointer to device to write msg for
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; @param X pointer to buffer to write to
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; @clobbers R16, R17, R18, R19, R20, R21
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NETMSG_MemStats_Write:
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ldi r16, 0xff
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st X+, r16 ; dest address
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ldi r16, 16 ; msg code+src address+14 payload bytes
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st X+, r16 ; msg len
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ldi r16, NETMSG_CMD_MEMSTATS
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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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; uid
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bigcall NETMSG_Common_AddUidToBuffer ; (R16, R18, R19, R20, R21)
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; timestamp (0 for now)
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clr r16
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st X+, r16
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st X+, r16
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st X+, r16
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st X+, r16
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; stack used
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.ifdef MODULES_XRAM
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lds r20, xramLastAddress
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lds r21, xramLastAddress+1
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st X+, r20
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st X+, r21
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.else
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.ifdef MODULES_HEAP
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lds r20, heapFree
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lds r21, heapFree+1
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st X+, r20
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st X+, r21
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.else
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ldi r20, LOW(RAMEND)
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ldi r21, HIGH(RAMEND)
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in r17, SPL
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sub r20, r17
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st X+, r20
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in r17, SPH
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sbc r21, r17
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st X+, r21
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.endif
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.endif
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; current buffers used
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lds r16, netBuffersUsed
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st X+, r16
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; max buffers used
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lds r16, netBuffersMaxUsed
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st X+, r16
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; no buffer errors
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ldd r16, Y+NET_IFACE_OFFS_ERR_NOBUF_LOW
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st X+, r16
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ldd r16, Y+NET_IFACE_OFFS_ERR_NOBUF_HIGH
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st X+, r16
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sbiw xh:xl, 18 ; go back to beginning of message (1 byte dst addr, 1 byte length, 16 bytes payload)
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bigcall NETMSG_CalcAndAddChecksumByte ; (R16, R17, R18, R19, R20, X)
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sbiw xh:xl, 19 ; go back to beginning of message (1 byte dst addr, 1 byte length, 16 bytes payload, 1 byte crc)
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ret
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; @end
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