//////////////////////////////////////////////////////////////////////////////
// Laboratory AVR Microcontrollers Part2
// Program template for lab 9
// Please fill in this information before starting coding
// Authors:
//
// Group: 5
// Section: 9
//
// Task: D
//
// Todo: D
//
//
// 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

    reti    ; return from all no used

TIM1_C0MPA: ; Timer1 CompareA Handler

    cpi r25, 2
    breq reset_mode

    cpi r23, 0
    breq normal_mode

    subi r23, 1
    cpi r23, 0
    brne return_main

    normal_mode:
    elpm R16, Z+
    out PORTC, r16

    cpi r16, 0
    brne not_inc_zero

    inc r25
    jmp return_main

    not_inc_zero:
    ldi r25, 0

    return_main:
    sei
    reti

    reset_mode:
    ldi r23, 4
    ldi r25, 0
    ldi ZL, low(2*TAB_ROM)
    ldi ZH, high(2*TAB_ROM)
    ldi R17, byte3(2*TAB_ROM)
    jmp return_main

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
RESET:
    ldi r17, 0          // ustawienie portu A na wejscie
    out ddra, r17       // ustawienie portu A na wejscie

keyloop:
    in r17, PORTA
    cpi r17, 255
    brne start_program
    jmp keyloop

start_program:
    ldi r23, 0      // licznik pausy 0-4
    ldi r25, 0      // licznik wystąpienia zera w ROM (pod rząd)

    //INICJALIZACJA PORTU C
    ldi r17, 0xff
    out DDRC, r17

    //mov z, TAB_ROM
    ldi ZL, low(2*TAB_ROM)
    ldi ZH, high(2*TAB_ROM)
    ldi R17, byte3(2*TAB_ROM)

    cli ; disable all interrupts
    // Set stack pointer to top of RAM
    ldi R16, HIGH(RAMEND)
    out SPH, R16
    ldi R16, LOW(RAMEND)
    out SPL, R16

    // Enable Timer1 Overflow Interrupt

    // OCR0A - 0x1e84 = 7812 -> 2Hz = 0,5sec timer1
    LDI R27,0x84        //Load immediate
    LDI R28,0x1E        //Load immediate
    STS 0x0089,R28      //Store direct to data space
    STS 0x0088,R27      //Store direct to data space


    LDI R20, (1 << TOIE1)
    ori r20, (1 << OCIE1A)      // porównanie wyjścia interuptu A załączone
    STS TIMSK1, R20

    // ustawienie prescaler'a na 1024
    LDI R20, (1 << CS10)
    ORI r20, (1 << CS12)
    ORI r20, (1 << WGM12)       // ustawienie ctc
    STS TCCR1B, R20

    SEI


loop:
    jmp loop


//------------------------------------------------------------------------------
// Program end - Ending loop
//------------------------------------------------------------------------------
End:
    rjmp END

//------------------------------------------------------------------------------
// Table Declaration -  place here test values
// Test with different table values and different begin addresses of 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, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x00, 0x00

.EXIT
//------------------------------------------------------------------------------