Error using SPI in ATmega64!!!!!!!1

[Circuit_seller]

Hi there,

I am trying to use SPI in programming a DDS serialy.
Unfortunately i can not use SPI correctly.
I done a simple test and write this program. but the micro continusly send data and Serial Clock.
Can anyone say what is the problem.

#include <iom64v.h>
#include <macros.h>
#include "define.h"

void SPI_Send(char cData)
{
/* Start transmission */
SPDR = cData;
/* Wait for transmission complete */
while(!(SPSR & (1<<SPIF)));
}

void main(void)
{

int i=0;

PORTF = 0x00;
DDRF = 0xdf;
PORTA = 0x00;
DDRA = 0xff;
PORTB = 0x00;
DDRB = 0xff;
SPCR = 0x55; //setup SPI
SPSR = 0x00; //setup SPI
SPI_Send(0x46);
while(1)
;
}

 

[artem]

The SPSR did you define it volatile ?

 

[Circuit_seller]

Hi

Yes, i have defined it volatile.

#define SPSR (*(volatile unsigned char *)0x2E)

What is the problem?

Regards

 

[Circuit_seller]

Hi

Sorry, i have forgotten to disable Watch Dog enable fuse.

Regards