/**************************************************************************
 *
 * Copyright (C) 2009 Steve Karg <skarg@users.sourceforge.net>
 *
 * SPDX-License-Identifier: MIT
 *
 *********************************************************************/
#include "hardware.h"
/* me */
#include "init.h"

void init(void)
{
    /* clear the MCU Status Register */
    MCUSR = 0;
    /* Initialize the Clock Prescaler */
    /* The default CLKPSx bits are factory set to 0011 */
    /* Enable the Clock Prescaler */
    CLKPR = _BV(CLKPCE);
    /* CLKPS3 CLKPS2 CLKPS1 CLKPS0 Clock Division Factor
       ------ ------ ------ ------ ---------------------
       0      0      0      0             1
       0      0      0      1             2
       0      0      1      0             4
       0      0      1      1             8
       0      1      0      0            16
       0      1      0      1            32
       0      1      1      0            64
       0      1      1      1           128
       1      0      0      0           256
       1      x      x      x      Reserved
     */
    /* Set the CLKPS3..0 bits to Prescaler of 1 */
    CLKPR = 0;
    /* Initialize I/O ports */
    /* For Port DDRx (Data Direction) Input=0, Output=1 */
    /* For Port PORTx (Bit Value) TriState=0, High=1 */
    DDRA = 0;
    PORTA = 0;
    DDRB = 0;
    PORTB = 0;
    DDRC = 0;
    PORTC = 0;
    DDRD = 0;
    PORTD = 0;
}