Tooltron

/********

 * This file is part of Tooltron.

 *

 * Tooltron is free software: you can redistribute it and/or modify

 * it under the terms of the Lesser GNU General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * Tooltron 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

 * Lesser GNU General Public License for more details.

 * You should have received a copy of the Lesser GNU General Public License

 * along with Tooltron.  If not, see <http://www.gnu.org/licenses/>.

 *

 * Copyright 2009 Kevin Woo <kwoo@2ndt.com>

 *

 ********/

/** @file main.c

 *  @brief Contains the main function for the toolbox code.

 *

 *  @author Suresh Nidhiry (snidhiry), Kevin Woo (kwoo)

 */

//Includes

#include <avr/io.h>

#include <avr/interrupt.h>

#include <stdint.h>

#include <util/delay.h>

#include <avr/wdt.h>

#include <avr/eeprom.h>

#define RELAY       _BV(PORTD4)

#define VAC_SENSE   _BV(PIND3)

#define BUT_RED     _BV(PINB4)#define BUT_BLACK   _BV(PINB3)

#define LED_GREEN   _BV(PORTB2)

#define LED_YELLOW  _BV(PORTB1)

#define LED_RED     _BV(PORTB0)

#define ON      0x01

#define OFF     0x00

/***** change ADDR ****/

#define ADDR 18

#define DELIM '^'

#define SERVER 1

#define TURNON 'O'

/***

 * TWAIT - minutes to wait before green button is pressed to kill power

 * TWARN - minutes until warning (blink yellow, allow more time with green button)

 * TMAX  - minutes until power is killed (unless tool is on)

 */

#define TWAIT   1

#define TWARN   1

#define TMAX    2

uint8_t sec;

uint8_t min;

typedef enum {

    sd,     // start delimitor

    src,    // src

    dest,   // destination

    data,   // data

    cs,     // checksum

    ack,    // send ack

    pwron,  // poweron

    idiot,  // user tried to hit green with the machine switch on

    toolon, // tool on

    warn,   // time warning

    off     // tool off

} state_t;

void init_pins(void) {

    DDRB = 0x00;

    DDRB = _BV(DDB0) | _BV(DDB1) | _BV(DDB2) | _BV(DDB5);

    DDRD = _BV(DDB4);

    PORTB = 0x00;

}

void toggle_led(uint8_t which, uint8_t state) {

    if (state == ON) {

        PORTB &= ~which;

    } else {

        PORTB |= which;

    }

}

void (*bootloader)(void) = 0x400/2;

void reset(void) {

    wdt_enable(WDTO_15MS);

    //bootloader();

}

int main(int argc, char **argv) {

    state_t state = sd;

    uint8_t packet[3];

    uint8_t ms_timer=0;

    uint8_t myaddr;

        /***** Start Start-up Sequence *****/

        init_pins();                //Set pin directions

        //        init_uart(51);                //Set registers for uart

        /***** End Start-up Sequence *****/

    uint8_t r;

    //eeprom_write_byte(1, 12);

    PORTB = 0x7;

    myaddr = eeprom_read_byte(1);

    if (myaddr == 11) {

       PORTB = 0;

       while(1);

    }

    _delay_ms(1000);

    PORTB |= _BV(PORTB0);

    _delay_ms(1000);

    reset();

    while(1) {

            _delay_ms(1000);

        PORTB |= _BV(PORTB0);

        _delay_ms(1000);

        PORTB &= ~_BV(PORTB0);

    }

    return 0;

}