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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_