Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- //////////////////////////////////////////////////////////////////////////////
- // Laboratory AVR Microcontrollers Part1
- // Program template for ASM lab 9
- // Please fill in this information before starting coding
- // Author:
- //1. Mateusz Grabarczyk
- //2.
- //3.
- //4.
- // Group: 1
- // Section: 1
- // Task number: 2
- //
- // Version: 5.0
- //////////////////////////////////////////////////////////////////////////////
- .nolist ;quartz assumption 4Mhz
- .include "m2560def.inc"
- ;//////////////////////////////////////////////////////////////////////////////
- .list
- .equ xlength = 100
- ;//////////////////////////////////////////////////////////////////////////////
- ; EEPROM - data non volatile memory segment
- .ESEG
- ;//////////////////////////////////////////////////////////////////////////////
- ; StaticRAM - data memory.segment
- .DSEG
- .ORG 0x200; may be omitted this is default value
- ; Destination table (xlengthx bytes).
- ; Replace "xlengthx" with correct value
- TAB_RAM: .BYTE xlength
- ;//////////////////////////////////////////////////////////////////////////////
- ; CODE - Program memory segment
- ; Please Remember that it is "word" address space
- ;
- .CSEG
- .org 0x0000 ; may be omitted this is default value
- jmp RESET ; Reset Handler
- ; Interrupts vector table / change to your procedure only when needed
- jmp EXT_INT0 ; IRQ0 Handler
- jmp EXT_INT1 ; IRQ1 Handler
- jmp EXT_INT2 ; IRQ2 Handler
- jmp EXT_INT3 ; IRQ3 Handler
- jmp EXT_INT4 ; IRQ4 Handler
- jmp EXT_INT5 ; IRQ5 Handler
- jmp EXT_INT6 ; IRQ6 Handler
- jmp EXT_INT7 ; IRQ7 Handler
- jmp HPCINT0 ; PCINT0 Handler
- jmp HPCINT1 ; PCINT1 Handler
- jmp HPCINT2 ; PCINT2 Handler
- jmp WDT ; WDT Handler
- jmp TIM2_COMPA ; Timer2 CompareA Handler
- jmp TIM2_COMPB ; Timer2 CompareB Handler
- jmp TIM2_OVF ; Timer2 Overflow Handler
- jmp TIM1_CAPT ; Timer1 Capture Handler
- jmp TIM1_C0MPA ; Timer1 CompareA Handler
- jmp TIM1_C0MPB ; Timer1 CompareB Handler
- jmp TIM1_COMPC ; Timer1 CompareC Handler
- jmp TIM1_0VF ; Timer1 Overflow Handler
- jmp TIM0_COMPA ; Timer0 CompareA Handler
- jmp TIM0_COMPB ; Timer0 CompareB Handler
- jmp TIM0_OVF ; Timer0 Overflow Handler
- jmp SPI_STC ; SPI Transfer Complete Handler
- jmp USART0_RXC ; USART0 RX Complete Handler
- jmp USART0_UDRE ; USART0,UDR Empty Handler
- jmp USART0_TXC ; USART0 TX Complete Handler
- jmp ANA_COMP ; Analog COmparator Handler
- jmp HADC ; ADC Conversion Complete Handler
- jmp EE_RDY ; EEPROM Ready Handler
- jmp TIM3_CAPT ; Timer3 Capture Handler
- jmp TIM3_COMPA ; Timer3 CompareA Handler
- jmp TIM3_COMPB ; Timer3 CompareB Handler
- jmp TIM3_COMPC ; Timer3 CompareC Handler
- jmp TIM3_OVF ; Timer3 Overflow Handler
- jmp USART1_RXC ; USART1 RX Complete Handler
- jmp USART1_UDRE ; USART1,UDR Empty Handler
- jmp USART1_TXC ; USART1 TX Complete Handler
- jmp TWI ; Two-wire Serial Interface Interrupt Handler
- jmp SPM_RDY ; SPM Ready Handler
- jmp TIM4_CAPT ; Timer4 Capture Handler
- jmp TIM4_COMPA ; Timer4 CompareA Handler
- jmp TIM4_COMPB ; Timer4 CompareB Handler
- jmp TIM4_COMPC ; Timer4 CompareC Handler
- jmp TIM4_OVF ; Timer4 Overlflow Handler
- jmp TIM5_CAPT ; Timer5 Capture Handler
- jmp TIM5_COMPA ; Timer5 CompareA Handler
- jmp TIM5_COMPB ; Timer5 CompareB Handler
- jmp TIM5_COMPC ; Timer5 CompareC Handler
- jmp TIM5_OVF ; Timer5 Overlflow Handler
- jmp USART2_RXC ; USART2 RX Complete Handler
- jmp USART2_UDRE ; USART2,UDR Empty Handler
- jmp USART2_TXC ; USART2 TX Complete Handler
- jmp USART3_RXC ; USART3 RX Complete Handler
- jmp USART3_UDRE ; USART3,UDR Empty Handler
- jmp USART3_TXC ; USART3 TX Complete Handler
- //////////////////////////////////////////////////////////////////////////////
- EXT_INT0: ; IRQ0 Handler
- EXT_INT1: ; IRQ1 Handler
- EXT_INT2: ; IRQ2 Handler
- EXT_INT3: ; IRQ3 Handler
- EXT_INT4: ; IRQ4 Handler
- EXT_INT5: ; IRQ5 Handler
- EXT_INT6: ; IRQ6 Handler
- EXT_INT7: ; IRQ7 Handler
- HPCINT0: ; PCINT0 Handler
- HPCINT1: ; PCINT1 Handler
- HPCINT2: ; PCINT2 Handler
- WDT: ; WDT Handler
- TIM2_COMPA: ; Timer2 CompareA Handler
- TIM2_COMPB: ; Timer2 CompareB Handler
- TIM2_OVF: ; Timer2 Overflow Handler
- TIM1_CAPT: ; Timer1 Capture Handler
- TIM1_C0MPA: ; Timer1 CompareA Handler
- TIM1_C0MPB: ; Timer1 CompareB Handler
- TIM1_COMPC: ; Timer1 CompareC Handler
- //TIM1_0VF: ; Timer1 Overflow Handler
- TIM0_COMPA: ; Timer0 CompareA Handler
- TIM0_COMPB: ; Timer0 CompareB Handler
- TIM0_OVF: ; Timer0 Overflow Handler
- SPI_STC: ; SPI Transfer Complete Handler
- USART0_RXC: ; USART0 RX Complete Handler
- USART0_UDRE:; USART0,UDR Empty Handler
- USART0_TXC: ; USART0 TX Complete Handler
- ANA_COMP: ; Analog COmparator Handler
- HADC: ; ADC Conversion Complete Handler
- EE_RDY: ; EEPROM Ready Handler
- TIM3_CAPT: ; Timer3 Capture Handler
- TIM3_COMPA: ; Timer3 CompareA Handler
- TIM3_COMPB: ; Timer3 CompareB Handler
- TIM3_COMPC: ; Timer3 CompareC Handler
- TIM3_OVF: ; Timer3 Overflow Handler
- USART1_RXC: ; USART1 RX Complete Handler
- USART1_UDRE:; USART1,UDR Empty Handler
- USART1_TXC: ; USART1 TX Complete Handler
- TWI: ; Two-wire Serial Interface Interrupt Handler
- SPM_RDY: ; SPM Ready Handler
- TIM4_CAPT: ; Timer4 Capture Handler
- TIM4_COMPA: ; Timer4 CompareA Handler
- TIM4_COMPB: ; Timer4 CompareB Handler
- TIM4_COMPC: ; Timer4 CompareC Handler
- TIM4_OVF: ; Timer4 Overlflow Handler
- TIM5_CAPT: ; Timer5 Capture Handler
- TIM5_COMPA: ; Timer5 CompareA Handler
- TIM5_COMPB: ; Timer5 CompareB Handler
- TIM5_COMPC: ; Timer5 CompareC Handler
- TIM5_OVF: ; Timer5 Overlflow Handler
- USART2_RXC: ; USART2 RX Complete Handler
- USART2_UDRE:; USART2,UDR Empty Handler
- USART2_TXC: ; USART2 TX Complete Handler
- USART3_RXC: ; USART3 RX Complete Handler
- USART3_UDRE:; USART3,UDR Empty Handler
- USART3_TXC: ; USART3 TX Complete Handler
- RETI ; return from all no used
- ;//////////////////////////////////////////////////////////////////////////////
- ; Program start\
- //timer1 overflow handler
- TIM1_0VF: ; Timer1 Overflow Handler
- LDI R16, 0x85
- STS TCNT1H, R16
- LDI R16, 0xEE
- STS TCNT1L, R16
- INC R18
- RETI
- RESET: cli ;Disable all interrupts
- ;Set stack pointer to top of RAM
- LDI R16, HIGH(RAMEND)
- OUT SPH, R16
- LDI R16, LOW(RAMEND)
- OUT SPL, R1
- // A INIT
- LDI R16, 0x00
- OUT DDRA, R16
- LDI R16, 0xFF
- OUT PORTA, R16
- // B INIT
- LDI R16, 0xE0
- OUT DDRB, R16
- LDI R16, 0x00
- OUT PORTB, R16
- ;Storing TAB_ROM address into RAMPZ:Z registry
- ldi ZL, BYTE3(TAB_ROM<<1)
- out RAMPZ, ZL
- ldi ZH, BYTE2(TAB_ROM<<1)
- ldi ZL, BYTE1(TAB_ROM<<1)
- ldi YH, BYTE2(TAB_RAM)
- ldi YL, BYTE1(TAB_RAM)
- CZEKAJ:
- in r16, PINA
- cpi r16, 0xFF
- breq CZEKAJ
- PETLA_KOPIUJACA:
- elpm R16, Z+ // nastepna wartosc do R16
- cpi R16, 0
- breq ZERO // jesli zero, skok do ZERO
- rjmp LADUJ
- ZERO:
- elpm R16, Z // nastepna wartosc do r16
- cpi R16, 0
- breq KONIEC // jesli zero, skok do ZERO
- ldi R16, 0
- LADUJ:
- st Y+, R16
- rjmp PETLA_KOPIUJACA
- KONIEC:
- ;Copy is finished
- ;Enable overflow interrupt
- LDI r16, (1 << TOIE1)
- STS TIMSK1, r16
- ;Setting 0x85EE in TCNT1 (125ms wait on 16MHz clock)
- LDI r18, 0x00
- LDI r16, 0x85
- STS TCNT1H, r16
- LDI r16, 0xEE
- STS TCNT1L, r16
- LDI R16, (1 << TOIE1)
- STS TIMSK1, R16
- SEI ;Enable interuption
- LDI r17, 0x00 ;Clear the flag
- ;Setting prescaler
- LDI r16, (1 << CS11) | (1 << CS10)
- STS TCCR1B, r16
- ;Turning LED ON
- SBI PORTB, 6
- pierwsze:
- CPI r18, 0x01 ;Checking if the counter is overflow first time
- BRNE drugie
- ;Turning LED OFF
- CBI PORTB, 6
- drugie:
- CPI r18, 0x05 ;Checking if the counter is overflow second time
- BRNE trzecie
- ;Turning LED ON
- SBI PORTB, 6
- trzecie:
- CPI r18, 0x06 ;Checking if the counter is overflow third time
- BRNE pierwsze
- ;Turning LE and timer OFF
- CBI PORTB, 6
- LDI r16, 0x00
- STS TCCR1B, r16
- // 2. Enable interrupts if needed
- // sei
- //------------------------------------------------------------------------------
- // 3. Load initial values of index registers
- // Z, X, Y
- //------------------------------------------------------------------------------
- // Program end - Ending loop
- //------------------------------------------------------------------------------
- End:
- RJMP END
- //------------------------------------------------------------------------------
- // Table Declaration - place here test values
- // Test with other table values and different begin addresses of a table (also above 0x8000)
- //
- //.org 0x8000
- TAB_ROM: .db 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x1F
- .db 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1F, 0x1F
- .db 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F
- .db 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F
- .db 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F
- .db 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F
- .db 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F
- .db 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F
- .db 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F
- .db 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F
- .db 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaA, 0xaB, 0xaC, 0xaD, 0xAE, 0xAF
- .db 0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF
- .db 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF
- .db 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF
- .db 0xFF, 0xFE, 0xFD, 0xFC, 0xFB, 0xFA, 0xF9, 0xF8, 0xF7, 0xF6, 0xF5, 0xF4, 0xF3, 0xF2, 0xF1, 0xF0
- // please correct end of this table according to the guidelines given by the teacher
- .db 0x00,0x00
- .EXIT
- //------------------------------------------------------------------------------
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement