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/****************************************************************************
 *   Copyright (C) 2011 by Claas Anders "CaScAdE" Rathje                    *
 *   admiralcascade@gmail.com                                               *
 *   Project-URL: http://www.mylifesucks.de/oss/c-epilepsy/                 *
 *                                                                          *
 *   This program is free software; you can redistribute it and/or modify   *
 *   it under the terms of the GNU General Public License as published by   *
 *   the Free Software Foundation; either version 2 of the License.         *
 *                                                                          *
 *   This program is distributed in the hope that it will be useful,        *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of         *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
 *   GNU General Public License for more details.                           *
 *                                                                          *
 *   You should have received a copy of the GNU General Public License      *
 *   along with this program; if not, write to the                          *
 *   Free Software Foundation, Inc.,                                        *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.              *
 ****************************************************************************/

#include "main.h"

uint8_t main_mode = 0;
volatile uint8_t CEPILEPSYFLAGS = 0;

const uint8_t COLORS [][6] = {
    { 0b10101010, 0b10101010, 0b10101010, 0b10101010, 0b10101010, 0b10101010}, // color one
    { 0b01010101, 0b01010101, 0b01010101, 0b01010101, 0b01010101, 0b01010101}, // color one
    { 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111} // both colors
};

void pin_init(void) {
#if HWVERSION == EPI10AQ41
    DDRB |= (1 << PB1) | (1 << PB2); // LEDs output
    DDRD |= ((1 << PD6)); // S6 output, unused for now
#elif HWVERSION == EPI10
    DDRD |= (1 << PD7) | (1 << PD3); // LEDs output
#else
    // hardware 1.1
    DDRD |= (1 << PD7); // dual led port output
#endif 
}


// random init

unsigned short get_seed(void) {
    unsigned short seed = 0;
    unsigned short *p = (unsigned short*)(RAMEND + 1);
    extern unsigned short __heap_start;

    while (p >= &__heap_start + 1)
        seed ^= *(--p);

    return seed;
}

/* ##########################################################################
 * MAIN
 * ##########################################################################*/
int main(void) {

    LEDRED_ON // boot

    clear();



    pin_init();
    led_out_init();
    timer0_init();
    timer1_init();
    usart0_init();
#ifdef __AVR_ATmega644P__
    //usart1_init();
#endif
    buttons_init();
    load_eeprom();


    // enable interrupts
    sei();


    unsigned short seed = get_seed();
    srand(seed);


    // selftest
    //while (1) {
    /*for (uint8_t times = 0; times < 5; times++) {
        for (uint8_t i = 0; i < 48; i++) {
            setLed(animation, i, 1);
            _delay_ms(100);
            animation[i] = 0;
        }
    }*/
    //}

    LEDRED_OFF // finished boot
    LEDGREEN_ON


        // clear serial screen
        //usart0_puts("\x1B[2J\x1B[H");
        /*usart0_puts_pgm(PSTR("C-Epilepsy came to say hello...\r\n"));
        usart0_puts_pgm(PSTR("\tVersion: "));
        usart0_puts_pgm(PSTR(BUILDDATE));
        #ifdef __AVR_ATmega644P__
            usart0_puts_pgm(PSTR(" atmega644p"));
        #endif
        usart0_puts_pgm(PSTR("\r\n"));*/


    while (1) {
        switch (main_mode) {
            case 0:
                player();
                break;
            case 1:
                nc_handler();
                break;
        }

        if (mode_pressed()) {
            main_mode = (main_mode + 1) % 2; // % number of modes available
            blinkNumer(animation, main_mode + 1, 5);
        }

    }

    return 0;
}