.set DDRB_o, 0x4
.equ PORTB_o, 0x5
PORTD_o = 0x0b
DDRD_o = 0x0a
PIND_o = 0x09
PINB_o = 0x23

TCCR2A_o = 0xb0
TCCR2B_o = 0xb1
PORTD_o = 0x0b
OCR2A_o = 0xb3

/*counter 2*/
OCR0A_o = 0x27
TCCR0B_o  = 0x25
TCCR0A_o = 0x24

/*Counter 1*/
OCR1AL_o = 0x88
OCR1AH_o = 0x8b
TCCR1A_o = 0x80
TCCR1B_o = 0x81
TCCR1C_o = 0x82
TCNT1L_o = 0x84
TCNT1H_o = 0x85
TIFR1_o = 0x16
TIMSK1_o = 0x6f

/*Rx*/
UDR0 = 0xc6
UBRR0H = 0xc5
UBRR0L = 0xc4
UCSR0C = 0xc2
UCSR0B = 0xc1
UCSR0A = 0xc0

.global main
.section .text

ledon:
    ldi r16, 0x20
    out PORTB_o, r16
    ret

ledoff:
    ldi r16, 0x00
    out PORTB_o, r16
    ret

main:
    rcall   ledoff
    //Se utiliza el Pin 7 como input
    ldi     r17, 0b10000000
    out     DDRD_o, r17

    //Para usar led
    ldi     r17, 0x20
    out     DDRB_o, r17
    ldi     r17, 0
    out     PORTB_o, r17

    //Iniciar timer y cosas
    ldi     r17, 0b11000000
    sts     TCCR0A_o, r17
    ldi     r17, 0b00001101
    sts     TCCR0B_o, r17
    ldi     r17, 0b10000000
    sts     TCCR1C_o, r17
    //Comparador
    ldi     r17, 0b10001001
    sts     OCR1AL_o, r17 //Comparador
    ldi     r17, 0b00111101
    sts     OCR1AH_o, r17

    //Interrupciones
    //Contador maquina de estados
    ldi     r18, 0b00000010
    sts     TIMSK1_o, r18
    sei

looop:
    rcall   ledoff
    rjmp    looop










__vector_12:
/*
    cpi r18, 1
    breq estatRatlla
    cpi r18, 2
    ---
estatRatlla:
    ratlla
*/
    //rcall ledon
reti


inici:
    ldi     r18, 0 //Primer Estado
    in      r20, PIND_o
    sbrs    r20, 7
    rjmp    inici
    rcall   punt

punt:
    /*activar timer int. t(int)= punt + offset
    comparar A  y reset timer
    */
    ldi r18, 1
    sei
loopPunt:
    ldi     r20, PIND_o
    sbrs    r20, 7
    rjmp    silenci
    rjmp    loopPunt


silenci:
    ret