Files
aqhomecontrol/avr/modules/network/msg/memstats-w.asm
2026-03-17 00:00:38 +01:00

115 lines
2.6 KiB
NASM

; ***************************************************************************
; 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. *
; ***************************************************************************
#ifndef AQH_AVR_MODULES_NETWORK_MSG_MEMSTATS_W_ASM
#define AQH_AVR_MODULES_NETWORK_MSG_MEMSTATS_W_ASM
; ---------------------------------------------------------------------------
; @routine NETMSG_MemStats_Write @global
;
; @param Y pointer to device to write msg for
; @param X pointer to buffer to write to
; @clobbers R16, R17, R18, R19, R20, R21
NETMSG_MemStats_Write:
ldi r16, 0xff
st X+, r16 ; dest address
ldi r16, (NETMSG_MEMSTATS_SIZE-2)
st X+, r16 ; msg len
ldi r16, NETMSG_CMD_MEMSTATS
st X+, r16 ; msg code
ldd r16, Y+NET_IFACE_OFFS_ADDRESS
st X+, r16 ; src address
; uid
bigcall NETMSG_Common_AddUidToBuffer ; (R16, R18, R19, R20, R21)
; timestamp
#ifdef MODULES_CLOCK
lds r16, clockModuleCounterHours
st X+, r16
lds r16, clockModuleCounterMins
st X+, r16
lds r16, clockModuleCounterSecs
st X+, r16
lds r16, clockModuleTickCounter
st X+, r16
#else
clr r16
st X+, r16
st X+, r16
st X+, r16
st X+, r16
#endif
; stack used
ldi r20, LOW(RAMEND)
ldi r21, HIGH(RAMEND)
in r17, SPL
sub r20, r17
st X+, r20
in r17, SPH
sbc r21, r17
st X+, r21
; current buffers used
lds r16, netBuffersUsed
st X+, r16
; max buffers used
lds r16, netBuffersMaxUsed
st X+, r16
; no buffer errors
ldd r16, Y+NET_IFACE_OFFS_ERR_NOBUF_LOW
st X+, r16
ldd r16, Y+NET_IFACE_OFFS_ERR_NOBUF_HIGH
st X+, r16
; heap
#ifdef MODULES_HEAP
; heap used
lds r20, heapUsed
lds r21, heapUsed+1
st X+, r20
st X+, r21
; heap free
lds r20, heapFree
lds r21, heapFree+1
st X+, r20
st X+, r21
#else
clr r16
st X+, r16
st X+, r16
st X+, r16
st X+, r16
#endif
; XRAM
#ifdef MODULES_XRAM
lds r20, xramLastAddress
lds r21, xramLastAddress+1
st X+, r20
st X+, r21
#else
clr r16
st X+, r16
st X+, r16
#endif
sbiw xh:xl, NETMSG_MEMSTATS_SIZE ; go back to beginning of message
bigcall NETMSG_CalcAndAddChecksumByte ; (R16, R17, R18, R19, R20, X)
sbiw xh:xl, (NETMSG_MEMSTATS_SIZE+1) ; go back to beginning of message
ret
; @end
#endif