154 lines
4.3 KiB
NASM
154 lines
4.3 KiB
NASM
; ***************************************************************************
|
|
; copyright : (C) 2025 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. *
|
|
; ***************************************************************************
|
|
|
|
|
|
; ***************************************************************************
|
|
;
|
|
; AtTiny 841
|
|
; -------
|
|
; VCC 1 14 GND
|
|
; PB0 2 13 PA0 ATTN0
|
|
; ATTN1 PB1 3 12 PA1 TXD0 (UART0)
|
|
; /RESET PB3 4 11 PA2 RXD0 (UART0)
|
|
; LED PB2 5 10 PA3
|
|
; 1-wire PA7 6 9 PA4 RXD1 (UART1) [SCK, PRG]
|
|
; [MOSI,PRG] SDA (I2C) PA6 7 8 PA5 TXD1 (UART1) [MISO, PRG]
|
|
; -------
|
|
;
|
|
; when using ATTN1: LED=PA3, ATTN1=PB2 !!
|
|
; ***************************************************************************
|
|
|
|
|
|
|
|
.equ BOOTLOADER_ADDR = 0xd00
|
|
|
|
.equ FIRMWARE_VARIANT_BOOT = 0
|
|
.equ FIRMWARE_VARIANT_TEMP_WINDOW = 1
|
|
|
|
.equ DEVICEINFO_ID = 'R'
|
|
.equ DEVICEINFO_VERSION = 5
|
|
.equ DEVICEINFO_REVISION = 0
|
|
|
|
|
|
|
|
; ---------------------------------------------------------------------------
|
|
; LED module
|
|
|
|
.equ LED_SIMPLE_ONTIME = 2
|
|
.equ LED_SIMPLE_OFFTIME = 30
|
|
.equ LED_SIMPLE_DDR = DDRB
|
|
.equ LED_SIMPLE_PORT = PORTB
|
|
.equ LED_SIMPLE_PORTIN = PINB
|
|
.equ LED_SIMPLE_PINNUM = PORTB2
|
|
|
|
|
|
|
|
; ---------------------------------------------------------------------------
|
|
; 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
|
|
|
|
; settings for comOnUart0
|
|
.equ COM_DATA0_DDR = DDRA
|
|
.equ COM_DATA0_INPUT = PINA
|
|
.equ COM_DATA0_OUTPUT = PORTA
|
|
.equ COM_DATA0_PUE = PUEA
|
|
.equ COM_DATA0_PIN = PORTA2
|
|
|
|
.equ COM_ATTN0_DDR = DDRA
|
|
.equ COM_ATTN0_INPUT = PINA
|
|
.equ COM_ATTN0_OUTPUT = PORTA
|
|
.equ COM_ATTN0_PUE = PUEA
|
|
.equ COM_ATTN0_PIN = PORTA0
|
|
|
|
.equ COM_IRQ_ADDR_ATTN0 = PCMSK0
|
|
.equ COM_IRQ_BIT_ATTN0 = PCINT0 ; bit 0 in PCMSK0
|
|
.equ COM_IRQ_GIFR_ATTN0 = PCIF0
|
|
.equ COM_IRQ_GIMSK_ATTN0 = PCIE0
|
|
|
|
|
|
; settings for comOnUart1
|
|
.equ COM_ATTN1_DDR = DDRB
|
|
.equ COM_ATTN1_INPUT = PINB
|
|
.equ COM_ATTN1_OUTPUT = PORTB
|
|
.equ COM_ATTN1_PUE = PUEB
|
|
.equ COM_ATTN1_PIN = PORTB1
|
|
|
|
.equ COM_IRQ_ADDR_ATTN1 = PCMSK1
|
|
.equ COM_IRQ_BIT_ATTN1 = PCINT9 ; bit PCINT9 in PCMSK1
|
|
.equ COM_IRQ_GIFR_ATTN1 = PCIF1
|
|
.equ COM_IRQ_GIMSK_ATTN1 = PCIE1
|
|
|
|
|
|
; settings for comOnUart1
|
|
.equ COM_DATA1_DDR = DDRA
|
|
.equ COM_DATA1_INPUT = PINA
|
|
.equ COM_DATA1_OUTPUT = PORTA
|
|
.equ COM_DATA1_PUE = PUEA
|
|
.equ COM_DATA1_PIN = PORTA4
|
|
|
|
.equ COM_CLK1_DDR = DDRB
|
|
.equ COM_CLK1_INPUT = PINB
|
|
.equ COM_CLK1_OUTPUT = PORTB
|
|
.equ COM_CLK1_PUE = PUEB
|
|
.equ COM_CLK1_PIN = PORTB1
|
|
|
|
.equ COM_IRQ_ADDR_CLK1 = PCMSK1
|
|
.equ COM_IRQ_BIT_CLK1 = PCINT9 ; bit PCINT9 in PCMSK1
|
|
.equ COM_IRQ_GIFR_CLK1 = PCIF1
|
|
.equ COM_IRQ_GIMSK_CLK1 = PCIE1
|
|
|
|
|
|
|
|
; ---------------------------------------------------------------------------
|
|
; TWI master module
|
|
|
|
;.equ TWI_BIT_LENGTH = 10000 ; 100000 and 200000 works for display: 10000, 100000, 200000
|
|
.equ TWI_BIT_LENGTH = 1 ; 10, 100, 500, 100000 and 200000 works for display: 10000, 100000, 200000
|
|
|
|
.equ TWI_DDR_SCL = DDRA
|
|
.equ TWI_PORT_SCL = PORTA
|
|
.equ TWI_PIN_SCL = PINA
|
|
.equ TWI_PINNUM_SCL = PORTA3
|
|
|
|
.equ TWI_DDR_SDA = DDRB
|
|
.equ TWI_PORT_SDA = PORTB
|
|
.equ TWI_PIN_SDA = PINB
|
|
.equ TWI_PINNUM_SDA = PORTB0
|
|
|
|
|
|
|
|
; ---------------------------------------------------------------------------
|
|
; 1-Wire Master
|
|
;
|
|
|
|
.equ OWI_DDR = DDRA
|
|
.equ OWI_PORTOUT = PORTA
|
|
.equ OWI_PORTIN = PINA
|
|
.equ OWI_PINNUM = PORTA7
|
|
|
|
|
|
; ---------------------------------------------------------------------------
|
|
; ComOnUart module
|
|
|
|
.equ USART0_DATAREG = UDR0
|
|
.equ USART1_DATAREG = UDR1
|
|
|
|
|
|
|
|
; ---------------------------------------------------------------------------
|
|
; LCD module
|
|
|
|
.equ LCD_TWI_ADDRESS = 0x3c
|
|
|
|
|
|
|
|
|