114 lines
2.9 KiB
NASM
114 lines
2.9 KiB
NASM
; ***************************************************************************
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; copyright : (C) 2026 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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; defs
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; ***************************************************************************
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; code
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.cseg
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; ---------------------------------------------------------------------------
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; @routine Ds3231_AnnounceTime
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;
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; @return CFLAG on success, cleared on error
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; @clobbers R16, R17, R18, R19, R20, R21, R23, R24, R25, X, Y, Z
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Ds3231_AnnounceTime:
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ldi r22, 0xff
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ldi r23, NETMSG_CMD_TIME_ANNOUNCE
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clr r24
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clr r25
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rjmp ds3231SendTime
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; @end
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; ---------------------------------------------------------------------------
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; @routine Ds3231RespondToSetTime
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;
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; @return CFLAG on success, cleared on error
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; @param r22 dest address
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; @param r25:r24 msg id/ref msg id
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Ds3231RespondToSetTime:
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ldi r23, NETMSG_CMD_TIME_RSPSET
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rjmp ds3231SendTime
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; ---------------------------------------------------------------------------
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; @routine ds3231SendTime
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;
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; @return CFLAG on success, cleared on error
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; @param r22 dest address
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; @param r23 command
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; @param r25:r24 msg id/ref msg id
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ds3231SendTime:
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lds r16, ds3231Flags
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clc
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sbrs r16, DS3231_FLAGS_VALID_BIT
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rjmp Ds3231_SendTime_ret
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; allocate network buffer
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rcall NET_Buffer_Alloc ; (R16, R17, X)
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brcc Ds3231_SendTime_ret
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push r16 ; buffer number
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mov r16, r22
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adiw xh:xl, 1
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ldi yl, LOW(netInterfaceData)
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ldi yh, HIGH(netInterfaceData)
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ldi zl, LOW(ds3231RecvBuffer)
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ldi zh, HIGH(ds3231RecvBuffer)
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bigcall netMsgTimeWrite
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sbiw xh:xl, 1
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pop r16 ; buffer number
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rcall NET_Interface_AddOrReleaseOutMsg ; (R16, R17, R18, X)
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Ds3231_SendTime_ret:
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ret
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; @end
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; ---------------------------------------------------------------------------
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; @routine ds3231SendDebug
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;
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; @return CFLAG on success, cleared on error
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ds3231SendDebug:
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; allocate network buffer
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rcall NET_Buffer_Alloc ; (R16, R17, X)
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brcc ds3231SendDebug_ret
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push r16 ; buffer number
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mov r16, r22
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adiw xh:xl, 1
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ldi yl, LOW(netInterfaceData)
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ldi yh, HIGH(netInterfaceData)
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ldi r20, ds3231DataEnd-ds3231DataBegin
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ldi zl, LOW(ds3231DataBegin)
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ldi zh, HIGH(ds3231DataBegin)
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bigcall NETMSG_Debug_Write2
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sbiw xh:xl, 1
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pop r16 ; buffer number
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rcall NET_Interface_AddOrReleaseOutMsg ; (R16, R17, R18, X)
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ds3231SendDebug_ret:
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ret
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; @end
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