84 lines
1.8 KiB
NASM
84 lines
1.8 KiB
NASM
; ***************************************************************************
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; copyright : (C) 2023 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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; data
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.dseg
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ledSimpleTimer: .byte 1
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; ***************************************************************************
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; code
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.cseg
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LED_SIMPLE_BEGIN:
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; ---------------------------------------------------------------------------
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; LedSimple_Init
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;
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; IN:
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; - nothing
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; OUT:
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; - CFLAG: set if okay, clear on error
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; USED: R1, R2, R3, R4, R16, R17, X
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LedSimple_Init:
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sbi LED_SIMPLE_DDR, LED_SIMPLE_PINNUM ; out
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cbi LED_SIMPLE_PORT, LED_SIMPLE_PINNUM ; on
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ldi r16, LED_SIMPLE_ONTIME
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sts ledSimpleTimer, r16
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sec
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ret
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; ---------------------------------------------------------------------------
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; LedSimple_Every100ms
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;
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; IN:
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; - nothing
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; OUT:
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; - nothing
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; USED:
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LedSimple_Every100ms:
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lds r16, ledSimpleTimer
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dec r16
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brne LedSimple_Every100ms_zero
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rjmp LedSimple_Every100ms_setTimer
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LedSimple_Every100ms_zero:
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sbic LED_SIMPLE_PORT, LED_SIMPLE_PINNUM ; skip next op if LED is on
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rjmp LedSimple_Tick_isOff
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; is on
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sbi LED_SIMPLE_PORT, LED_SIMPLE_PINNUM ; off
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ldi r16, LED_SIMPLE_OFFTIME
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rjmp LedSimple_Every100ms_setTimer
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LedSimple_Tick_isOff:
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cbi LED_SIMPLE_PORT, LED_SIMPLE_PINNUM ; on
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ldi r16, LED_SIMPLE_ONTIME
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LedSimple_Every100ms_setTimer:
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sts ledSimpleTimer, r16
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ret
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LED_SIMPLE_END:
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.equ MODULE_SIZE_LED_SIMPLE = LED_SIMPLE_END-LED_SIMPLE_BEGIN
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