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#ifndef _MEGA644_H_

#define _MEGA644_H_

/* I (M. Thomas) could not find an official Boot-ID

   for the ATmega644 so pretend it's an ATmega64 */

/* Part-Code ISP */

#define DEVTYPE_ISP     0x45

/* Part-Code Boot */

#define DEVTYPE_BOOT    0x46

#define SIG_BYTE1       0x1E

#define SIG_BYTE2       0x96

#define SIG_BYTE3       0x09

#define UART_BAUD_HIGH  UBRR0H

#define UART_BAUD_LOW   UBRR0L

#define UART_STATUS         UCSR0A

#define UART_TXREADY    UDRE0

#define UART_RXREADY    RXC0

#define UART_DOUBLE         U2X0

#define UART_CTRL           UCSR0B

#define UART_CTRL_DATA  ((1<<TXEN0) | (1<<RXEN0))

#define UART_CTRL2          UCSR0C

#define UART_CTRL2_DATA ( (1<<UCSZ01) | (1<<UCSZ00))

#define UART_DATA           UDR0

#define WDT_OFF_SPECIAL

static inline void bootloader_wdt_off(void)

{

        cli();

        wdt_reset();

        /* Clear WDRF in MCUSR */

        MCUSR &= ~(1<<WDRF);

        /* Write logical one to WDCE and WDE */

        /* Keep old prescaler setting to prevent unintentional time-out */

        WDTCSR |= (1<<WDCE) | (1<<WDE);

        /* Turn off WDT */

        WDTCSR = 0x00;

}

#endif // #ifndef _MEGA644_H_