115 lines
2.3 KiB
NASM
115 lines
2.3 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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#ifndef AVR_MODULES_COM2W_COM2WN_INIT_H
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#define AVR_MODULES_COM2W_COM2WN_INIT_H
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; WORK IN PROGRESS
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; ---------------------------------------------------------------------------
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; @macro mCOM2WN_INIT
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;
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; @param @0 interface number (beginning with 0)
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.macro mCOM2WN_INIT
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ldi yl, LOW(com2w@0_iface)
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ldi yh, HIGH(com2w@0_iface)
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rcall com2wnInit
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ldi r16, COM_MASK_CLK@0
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std Y+COM2W_IFACE_OFFS_PINMASK_CLK, r16
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ldi r16, COM_MASK_DATA@0
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std Y+COM2W_IFACE_OFFS_PINMASK_DATA, r16
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ldi r16, COM_MASK_IRQ@0
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std Y+COM2W_IFACE_OFFS_PINMASK_IRQ, r16
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.endmacro
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; @end
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.cseg
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; ---------------------------------------------------------------------------
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; @routine COM2WN_Init
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;
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COM2WN_Init:
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ldi r16, 0xff ; start with all clock lines hi
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sts com2wnIoCurrentClockStates, r16
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sts com2wnIoLastClockStates, r16
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clr r16
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sts com2wnIoFlags, r16
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sts com2wnIoDisabledClockMask, r16
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ldi yl, LOW(com2wnIoRingBuffer)
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ldi yh, HIGH(com2wnIoRingBuffer)
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ldi r16, COM2WN_IO_RINGBUFFER_SIZE
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rcall RingBufferY_Init ; (R17)
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.if COM_PORTS >0
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mCOM2WN_INIT 0
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.endif
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.if COM_PORTS >1
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mCOM2WN_INIT 1
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.endif
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.if COM_PORTS >2
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mCOM2WN_INIT 2
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.endif
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.if COM_PORTS >3
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mCOM2WN_INIT 3
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.endif
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.if COM_PORTS >4
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mCOM2WN_INIT 4
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.endif
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.if COM_PORTS >5
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mCOM2WN_INIT 5
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.endif
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.if COM_PORTS >6
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mCOM2WN_INIT 6
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.endif
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.if COM_PORTS >7
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mCOM2WN_INIT 7
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.endif
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rcall com2wnSetupIrq
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ret
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; @end
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; ---------------------------------------------------------------------------
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; @routine com2wInit
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;
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com2wnInit:
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rcall NET_Interface_Init ; (R16, R17, X)
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ldi r16, COM2W_MODE_IDLE
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rcall com2wSetMode ; (R17)
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rcall com2wSetupLines
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rcall com2wnEnableClkIrq
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ret
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; @end
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#endif ; AVR_MODULES_COM2W_COM2WN_INIT_H
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