bdd710fc5c
use a clock and a data line to introduce synchronisation into the protocol to be able to work with the wide range of mcu speeds (no need for exact timing, no need for exact calibration).
75 lines
2.3 KiB
NASM
75 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_DEFS_H
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#define AVR_MODULES_COM2W_DEFS_H
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.equ COM2W_WAITTIME1 = 30000
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.equ COM2W_WAITTIME2 = 10000
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.equ COM2W_SKIPPING_MAXREADCOUNTER = 1
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.equ COM2W_SKIPPING_MAXMODECOUNTER = 20 ; stay max 2s in skipping mode
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.equ COM2W_READING_MAXREADCOUNTER = 1
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.equ COM2W_READING_MAXMODECOUNTER = 20 ; stay max 2s in reading mode
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;
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; .equ COM2W_DATA0_DDR = DDRA
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; .equ COM2W_DATA0_INPUT = PINA
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; .equ COM2W_DATA0_OUTPUT = PORTA
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; .equ COM2W_DATA0_PUE = PUEA
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; .equ COM2W_DATA0_PIN = PORTA2
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;
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; .equ COM2W_CLK0_DDR = DDRA
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; .equ COM2W_CLK0_INPUT = PINA
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; .equ COM2W_CLK0_OUTPUT = PORTA
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; .equ COM2W_CLK0_PUE = PUEA
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; .equ COM2W_CLK0_PIN = PORTA0
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; .equ COM2W_IRQ_ADDR_CLK0 = PCMSK0
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; .equ COM2W_IRQ_BIT_CLK0 = PCINT0 ; bit 0 in PCMSK0
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; .equ COM2W_IRQ_GIFR_CLK0 = PCIF0
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; .equ COM2W_IRQ_GIMSK_CLK0 = PCIE0
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.equ COM2W_BUFFER_SIZE = NET_BUFFERS_SIZE-1
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.equ COM2W_MODE_IDLE = 0
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.equ COM2W_MODE_READING = 1
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.equ COM2W_MODE_SKIPPING = 2
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.equ COM2W_MODE_WRITING = 3
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.equ COM2W_MODE_NUM = 4
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.equ COM2W_IFACE_OFFS_BEGIN = NET_IFACE_SIZE
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.equ COM2W_IFACE_OFFS_CURRBYTE = COM2W_IFACE_OFFS_BEGIN
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.equ COM2W_IFACE_OFFS_BITCOUNTER = COM2W_IFACE_OFFS_BEGIN+1
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.equ COM2W_IFACE_OFFS_MODE = COM2W_IFACE_OFFS_BEGIN+2
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.equ COM2W_IFACE_OFFS_MODECOUNTER = COM2W_IFACE_OFFS_BEGIN+3
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.equ COM2W_IFACE_OFFS_BUFPOS_LOW = COM2W_IFACE_OFFS_BEGIN+4
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.equ COM2W_IFACE_OFFS_BUFPOS_HIGH = COM2W_IFACE_OFFS_BEGIN+5
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.equ COM2W_IFACE_OFFS_BUFUSED = COM2W_IFACE_OFFS_BEGIN+6
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.equ COM2W_IFACE_OFFS_BUFLEFT = COM2W_IFACE_OFFS_BEGIN+7
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.equ COM2W_IFACE_OFFS_BUFFER = COM2W_IFACE_OFFS_BEGIN+8
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.equ COM2W_IFACE_SIZE = COM2W_IFACE_OFFS_BUFFER+COM2W_BUFFER_SIZE
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#endif ; AVR_MODULES_COM2W_DEFS_H
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