; *************************************************************************** ; Source file for temperature sensor node on AtTiny 84 ; ; This is for the full system (i.e. not the boot loader). ; ; All definitions and changes should go into this file. ; ; ; AtTiny84 ; -------- ; VCC 1 14 GND ; PB0 2 13 PA0 ; PB1 3 12 PA1 COM-DATA ; /RESET PB3 4 11 PA2 OWI ; KEY1 PB2 5 10 PA3 LED ; COM_ATTN PA7 6 9 PA4 TWI-SCL ; TWI-SDA PA6 7 8 PA5 ; -------- ; ; *************************************************************************** .nolist .include "include/tn84def.inc" ; Define device ATtiny84 .list .include "defs.asm" ; *************************************************************************** ; defines ; --------------------------------------------------------------------------- ; generic .equ clock=1000000 ; Define the clock frequency ; --------------------------------------------------------------------------- ; list of modules to use #define MODULES_TIMER #define MODULES_COM #define MODULES_LED #define MODULES_TWI_MASTER #define MODULES_LCD #define MODULES_SI7021 .equ VALUE_ID_TEMP1 = 0x01 .equ VALUE_ID_HUM1 = 0x02 ; --------------------------------------------------------------------------- ; COM module .equ COM_BIT_LENGTH = 52000 ; 104000=9600, 52000=19200, 26000=38400 .equ COM_DDR_DATA = DDRA .equ COM_PORT_DATA = PORTA .equ COM_PIN_DATA = PINA .equ COM_PINNUM_DATA = PORTA1 .equ COM_DDR_ATTN = DDRA .equ COM_PORT_ATTN = PORTA .equ COM_PIN_ATTN = PINA .equ COM_PINNUM_ATTN = PORTA7 .equ COM_IRQ_ADDR_ATTN = PCMSK0 .equ COM_IRQ_BIT_ATTN = 7 ; bit 7 in PCMSK0 .equ COM_IRQ_GIFR_ATTN = PCIF0 .equ COM_IRQ_GIMSK_ATTN = PCIE0 ; --------------------------------------------------------------------------- ; TWI master module .equ LCD_TWI_ADDRESS = 0x3c .equ TWI_DDR_SCL = DDRA .equ TWI_PORT_SCL = PORTA .equ TWI_PIN_SCL = PINA .equ TWI_PINNUM_SCL = PORTA4 .equ TWI_DDR_SDA = DDRA .equ TWI_PORT_SDA = PORTA .equ TWI_PIN_SDA = PINA .equ TWI_PINNUM_SDA = PORTA6 ; *************************************************************************** ; code segment .cseg .org 000000 ; --------------------------------------------------------------------------- ; Reset and interrupt vectors rjmp main ; Reset vector reti ; EXT_INT0 rjmp comIsrPcint0 ; PCI0 reti ; PCI1 reti ; WATCHDOG reti ; ICP1 reti ; OC1A reti ; OC1B reti ; OVF1 rjmp timerIrqOC0A ; OC0A reti ; OC0B reti ; OVF0 reti ; ACI reti ; ADCC reti ; ERDY reti ; USI_STR reti ; USI_OVF .org 0x40 ; --------------------------------------------------------------------------- ; Node Id (not overwritten when updating system) nodeUid: .db 0, 0, 0, 0, 0, 0, 0, 0 .org 0x50 ; begin of maintenance system ; --------------------------------------------------------------------------- ; Reset and interrupt vectors of maintenance system maintIrqHandlerTable: .dw main ; reset address .dw 0 ; EXT_INT0 .dw comIsrPcint0 ; PCI0 .dw 0 ; PCI1 .dw 0 ; WATCHDOG .dw 0 ; ICP1 .dw 0 ; OC1A .dw 0 ; OC1B .dw 0 ; OVF1 .dw timerIrqOC0A ; OC0A .dw 0 ; OC0B .dw 0 ; OVF0 .dw 0 ; ACI .dw 0 ; ADCC .dw 0 ; ERDY .dw 0 ; USI_STR .dw 0 ; USI_OVF ; *************************************************************************** ; includes .include "utils.asm" .include "timer.asm" .include "led.asm" .include "com.asm" .include "comproto.asm" ;.include "twimaster.asm" ;.include "lcd.asm" ;.include "bmp280.asm" ;.include "si7021.asm" ; *************************************************************************** ; data in SRAM .dseg ledA3Sram: .byte LED_SRAM_SIZE ; *************************************************************************** ; data in FLASH .cseg ledA3Flash: .db DDRA+0x20, PORTA+0x20, PINA+0x20, (1<