; ***************************************************************************
; copyright   : (C) 2024 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.   *
; ***************************************************************************

; ***************************************************************************
;
;                                 AtTiny85
;                                 --------
;                     /RESET PB5  1      8  VCC
;                        OWI PB3  2      7  PB2  COM-ATTN
;                        LED PB4  3      6  PB1  COM-DATA
;                            GND  4      5  PB0  LEDSTRIP
;                                 --------
;
; ***************************************************************************



.equ BOOTLOADER_ADDR = 0xd00


.equ FIRMWARE_VARIANT_BOOT        = 0
.equ FIRMWARE_VARIANT_LEDSTRIPS   = 1

.equ DEVICEINFO_ID       = 'N'
.equ DEVICEINFO_VERSION  = 14
.equ DEVICEINFO_REVISION = 0


; ---------------------------------------------------------------------------
; LED module

.equ LED_SIMPLE_ONTIME  = 3
.equ LED_SIMPLE_OFFTIME = 30
.equ LED_SIMPLE_DDR     = DDRB
.equ LED_SIMPLE_PORT    = PORTB
.equ LED_SIMPLE_PINNUM  = PORTB4



; ---------------------------------------------------------------------------
; COM module

.equ COM_BIT_LENGTH      = 52000 ; 104000ns=9600, 52000ns=19200, 26000ns=38400
.equ COM_HALFBIT_LENGTH  = 26000 ; see https://de.wikipedia.org/wiki/Universal_Asynchronous_Receiver_Transmitter

.equ COM_DATA_DDR       = DDRB
.equ COM_DATA_INPUT     = PINB
.equ COM_DATA_OUTPUT    = PORTB
.equ COM_DATA_PIN       = PORTB1

.equ COM_ATTN_DDR       = DDRB
.equ COM_ATTN_INPUT     = PINB
.equ COM_ATTN_OUTPUT    = PORTB
.equ COM_ATTN_PIN       = PORTB2

.equ COM_IRQ_ADDR_ATTN   = PCMSK
.equ COM_IRQ_BIT_ATTN    = PCINT2       ; bit 2 in PCMSK0 (PCINT2)
.equ COM_IRQ_GIFR_ATTN   = PCIF
.equ COM_IRQ_GIMSK_ATTN  = PCIE



; ---------------------------------------------------------------------------
; 1-Wire Master
;

.equ OWI_DDR     = DDRB
.equ OWI_PORTOUT = PORTB
.equ OWI_PORTIN  = PINB
.equ OWI_PINNUM  = PORTB3


; ---------------------------------------------------------------------------
; SK6812

.equ SK6812_DDR    = DDRB
.equ SK6812_PORT   = PORTB
.equ SK6812_PINNUM = PORTB0