226 lines
5.6 KiB
NASM
226 lines
5.6 KiB
NASM
.nolist
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.include "include/tn84def.inc" ; Define device ATtiny84
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.list
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;
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.equ clock=1000000 ; Define the clock frequency
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; ***************************************************************************
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; defs about modules used
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.equ MODULE_ID_OS = 0
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.equ MODULE_ID_TIMER = 1
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.equ MODULE_ID_LED_A3 = 2
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.equ MODULE_ID_WAN = 3
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.equ MODULE_ID_PIN = 4
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.equ MODULE_ID_COUNT = 5
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; ***************************************************************************
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; defs for OS
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; OS module
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.include "os/defs.asm"
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; timer module
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.equ TIMER_ENABLE_100Hz = 1
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.equ TIMER_ENABLE_10Hz = 1
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.equ TIMER_ENABLE_1Hz = 1
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.include "timer/defs.asm"
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; led module
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.include "led/defs.asm"
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; wan module
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.include "wan/defs.asm"
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; pin module
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.include "pin/defs.asm"
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; ***************************************************************************
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; data segment
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.dseg
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.org SRAM_START
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ledA3Sram: .byte LED_SRAM_SIZE
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wanA7A1Sram: .byte WAN_IFACE_SIZE
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; ***************************************************************************
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; code segment
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.cseg
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.org 000000
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; ***************************************************************************
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; Reset and interrupt vectors
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rjmp Main ; Reset vector
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reti ; EXT_INT0
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rjmp pinIsrInt0 ; PCI0
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rjmp pinIsrInt1 ; PCI1
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reti ; WATCHDOG
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reti ; ICP1
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reti ; OC1A
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reti ; OC1B
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reti ; OVF1
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rjmp timerIrqOC0A ; OC0A
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reti ; OC0B
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reti ; OVF0
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reti ; ACI
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reti ; ADCC
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reti ; ERDY
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reti ; USI_STR
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reti ; USI_OVF
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;
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; ***************************************************************************
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; Interrupt service routines from modules
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.include "timer/irq.asm"
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.include "wan/irq.asm"
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.include "pin/irq.asm"
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; ***************************************************************************
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; Info list of used modules
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osModuleInfoList:
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modInfoOs:
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rjmp Os_SignalHandler ; jump to handler
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.db MODULE_ID_OS, 0 ; id, reserved byte (0)
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.dw 0 ; pointer to flash data
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.dw 0 ; pointer to SRAM data
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.db "OS ", 0 ; name
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modInfoTimer:
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rjmp Timer_SignalHandler ; jump to handler
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.db MODULE_ID_TIMER, 0 ; id, reserved byte (0)
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.dw 0 ; pointer to flash data
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.dw 0 ; pointer to SRAM data
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.db "TIMER ", 0 ; name
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modInfoLedA3:
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rjmp Led_SignalHandler ; jump to handler
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.db MODULE_ID_LED_A3, 0 ; id, reserved byte (0)
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.dw ledA3Flash ; pointer to flash data
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.dw ledA3Sram ; pointer to SRAM data
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.db "LED ", 0 ; name
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modInfoWan:
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rjmp Wan_SignalHandler ; jump to handler
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.db MODULE_ID_WAN, 0 ; id, reserved byte (0)
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.dw wanA7A1Flash ; pointer to flash data
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.dw wanA7A1Sram ; pointer to SRAM data
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.db "WAN ", 0 ; name
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modInfoPin:
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rjmp Pin_SignalHandler ; jump to handler
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.db MODULE_ID_PIN, 0 ; id, reserved byte (0)
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.dw 0 ; pointer to flash data
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.dw 0 ; pointer to SRAM data
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.db "PIN ", 0 ; name
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.dw 0 ; end of module list
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; ***************************************************************************
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; Flash data for modules
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ledA3Flash: .db DDRA+0x20, PORTA+0x20, PINA+0x20, (1<<PORTA3)
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wanA7A1Flash: .db 1, 0 ; id, flags
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.db DDRA+0x20, PORTA+0x20, PINA+0x20, (1<<PORTA1) ; port info for DATA line
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.db DDRA+0x20, PORTA+0x20, PINA+0x20, (1<<PORTA7) ; port info for ATTN line
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pinInt0Entries:
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; flags PCMSK port_addr pin_mask handler_lo handler_hi data_lo data_hi
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.db PIN_ENTRY_FLAGS_ON_LOW, 0x80, DDRA+0x20, (1<<PORTA7), LOW(wanIntAttn0), HIGH(wanIntAttn0), LOW(modInfoWan), HIGH(modInfoWan)
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.db 0, 0, 0, 0, 0, 0, 0, 0 ; end of list
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pinInt1Entries:
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; flags reserved port_addr pin_mask handler_lo handler_hi data_lo data_hi
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.db 0, 0, 0, 0, 0, 0, 0, 0 ; end of list
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; ***************************************************************************
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; Signal maps for modules
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; map for signals emitted by OS module
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osSignalMap:
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; SIGNAL ID SLOT ID MODINFO pointer for handling module
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.db 0, 0, 0, 0 ; end of table
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; map for signals emitted by timer module
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timerSignalMap:
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; SIGNAL ID SLOT ID MODINFO pointer for handling module
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.db TIMER_SIGNAL_TICK_10HZ, OS_SLOT_TICK, LOW(modInfoOs), HIGH(modInfoOs) ; OS module
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.db TIMER_SIGNAL_TICK_10HZ, LED_SLOT_TIMER_TICK, LOW(modInfoLedA3), HIGH(modInfoLedA3) ; LED module
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; .db TIMER_SIGNAL_TICK_1HZ, WAN_SLOT_DEBUG, LOW(modInfoWan), HIGH(modInfoWan) ; WAN module
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.db 0, 0, 0, 0 ; end of table
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; ***************************************************************************
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; Code from used modules
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.include "os/main.asm"
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.include "timer/main.asm"
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.include "led/main.asm"
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.include "wan/main.asm"
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.include "pin/main.asm"
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;
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; ***************************************************************************
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; main code
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Main:
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.ifdef SPH ; if SPH is defined
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ldi r16, High(RAMEND)
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out SPH, r16 ; init MSB stack pointer
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.endif
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ldi r16, Low(RAMEND)
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out SPL, r16 ; init LSB stack pointer
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rcall OS_Init ; init all modules
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ldi r16, 0
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ldi r17, MODULE_ID_LED_A3
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ldi r18, LED_SLOT_SET_PATTERN
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ldi xh, HIGH(blinkPattern)
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ldi xl, LOW(blinkPattern)
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rcall OS_CallModuleHandler
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sei ; Enable interrupts
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rjmp OS_EventLoop
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blinkPattern: .db 20, 10, 5, 5, 5, 5, 5, 20, 10, 20, 0xff, 0xff ; 2s on, 1s off, 300ms on, 300ms off, restart
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;
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; End of source code
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;
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; (Add Copyright information here, e.g.
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; .db "(C)2022 by Martin Preuss", 0, 0
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