میخوام از طریق ارتباط spi دوتا میکرو با هم در ارتباط باشن و از طریق lcd که متصل به یکی از این میکرو ها اطلاعات تبادل شده را نمایش دهم اما به مشکل خوردم عمل نمی کنه مدارم میتونین کمکم کنین؟
برنامه master:
/************************************************** ***
This program was produced by the
CodeWizardAVR V2.05.0 Advanced
Automatic Program Generator
© Copyright 1998-2010 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com

Project :
Version :
Date : 02/26/2015
Author : www.Eca.ir *** www.Webkade.ir
Company :
Comments:


Chip type : ATmega16
Program type : Application
AVR Core Clock frequency: 8.001000 MHz
Memory model : Small
External RAM size : 0
Data Stack size : 256
************************************************** ***/

#include <mega16.h>
#include <delay.h>
#include <stdio.h>
#include <spi.h>
#define _ALTERNATE_PUTCHAR_
#pragma used+
void putchar(char c)
{
spi(c);
}
#pragma used-
// eclare your global variables here

void main(void)
{
char str[40];
// Declare your local variables here

// Input/Output Ports initialization
// Port A initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTA=0x00;
DDRA=0x00;

// Port B initialization
// Func7=Out Func6=Out Func5=Out Func4=Out Func3=Out Func2=Out Func1=Out Func0=Out
// State7=0 State6=0 State5=0 State4=0 State3=0 State2=0 State1=0 State0=0
PORTB=0x00;
DDRB=0xFF;

// Port C initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTC=0x00;
DDRC=0x00;

// Port D initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTD=0x00;
DDRD=0x00;

// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: Timer 0 Stopped
// Mode: Normal top=0xFF
// OC0 output: Disconnected
TCCR0=0x00;
TCNT0=0x00;
OCR0=0x00;

// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: Timer1 Stopped
// Mode: Normal top=0xFFFF
// OC1A output: Discon.
// OC1B output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer1 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
TCCR1A=0x00;
TCCR1B=0x00;
TCNT1H=0x00;
TCNT1L=0x00;
ICR1H=0x00;
ICR1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;

// Timer/Counter 2 initialization
// Clock source: System Clock
// Clock value: Timer2 Stopped
// Mode: Normal top=0xFF
// OC2 output: Disconnected
ASSR=0x00;
TCCR2=0x00;
TCNT2=0x00;
OCR2=0x00;

// External Interrupt(s) initialization
// INT0: Off
// INT1: Off
// INT2: Off
MCUCR=0x00;
MCUCSR=0x00;

// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=0x00;

// USART initialization
// USART disabled
UCSRB=0x00;

// Analog Comparator initialization
// Analog Comparator: Off
// Analog Comparator Input Capture by Timer/Counter 1: Off
ACSR=0x80;
SFIOR=0x00;

// ADC initialization
// ADC disabled
ADCSRA=0x00;

// SPI initialization
// SPI Type: Master
// SPI Clock Rate: 500.063 kHz
// SPI Clock Phase: Cycle Half
// SPI Clock Polarity: Low
// SPI Data Order: MSB First
SPCR=0x55;
SPSR=0x00;

// TWI initialization
// TWI disabled
TWCR=0x00;

while (1)
{
// Place your code here
delay_ms(100);
sprintf(str,"#PORTA=%03u PORTC=%03u PORTD=%3u",PINA,PINC,PIND);
puts(str);
};
};
برنامه slave :

#include <mega16.h>
#include <delay.h>
#include <spi.h>
#asm
.equ_lcd_port=0x15
#endasm
#include <alcd.h>
bit senddata=0;
#include <stdio.h>

// SPI interrupt service routine
char buffer[32],wr_index=0;
interrupt [SPI_STC] void spi_isr(void)
{
unsigned char data;
data=SPDR;
#asm ("sei"
if (data=='#&#039
{
buffer[0]=data;
wr_index=1;
}
else if (wr_index>=1 && data!='\r&#039
{
buffer[wr_index]=data;
wr_index++;
}
else if(data=='\r&#039
{senddata=1;
}else
wr_index=0;
}

// Declare your global variables here

void main(void)
{
char str[32];
#asm("sei&quot
// Declare your local variables here

// Input/Output Ports initialization
// Port A initialization
// Func7=In Func6=Out Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=0 State5=T State4=T State3=T State2=T State1=T State0=T
PORTA=0x00;
DDRA=0x40;

// Port B initialization
// Func7=In Func6=Out Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=0 State5=T State4=T State3=T State2=T State1=T State0=T
PORTB=0x00;
DDRB=0x40;

// Port C initialization
// Func7=Out Func6=Out Func5=Out Func4=Out Func3=Out Func2=Out Func1=Out Func0=Out
// State7=0 State6=0 State5=0 State4=0 State3=0 State2=0 State1=0 State0=0
PORTC=0x00;
DDRC=0xFF;

// Port D initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTD=0x00;
DDRD=0x00;

// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: Timer 0 Stopped
// Mode: Normal top=0xFF
// OC0 output: Disconnected
TCCR0=0x00;
TCNT0=0x00;
OCR0=0x00;

// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: Timer1 Stopped
// Mode: Normal top=0xFFFF
// OC1A output: Discon.
// OC1B output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer1 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
TCCR1A=0x00;
TCCR1B=0x00;
TCNT1H=0x00;
TCNT1L=0x00;
ICR1H=0x00;
ICR1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;

// Timer/Counter 2 initialization
// Clock source: System Clock
// Clock value: Timer2 Stopped
// Mode: Normal top=0xFF
// OC2 output: Disconnected
ASSR=0x00;
TCCR2=0x00;
TCNT2=0x00;
OCR2=0x00;

// External Interrupt(s) initialization
// INT0: Off
// INT1: Off
// INT2: Off
MCUCR=0x00;
MCUCSR=0x00;

// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=0x00;

// USART initialization
// USART disabled
UCSRB=0x00;

// Analog Comparator initialization
// Analog Comparator: Off
// Analog Comparator Input Capture by Timer/Counter 1: Off
ACSR=0x80;
SFIOR=0x00;

// ADC initialization
// ADC disabled
ADCSRA=0x00;

// SPI initialization
// SPI Type: Slave
// SPI Clock Phase: Cycle Half
// SPI Clock Polarity: Low
// SPI Data Order: MSB First
SPCR=0xC5;
SPSR=0x00;

// Clear the SPI interrupt flag
#asm
in r30,spsr
in r30,spdr
#endasm

// TWI initialization
// TWI disabled
TWCR=0x00;

// Alphanumeric LCD initialization
// Connections specified in the
// Project|Configure|C Compiler|Libraries|Alphanumeric LCD menu:
// RS - PORTC Bit 0
// RD - PORTC Bit 1
// EN - PORTC Bit 2
// D4 - PORTC Bit 4
// D5 - PORTC Bit 5
// D6 - PORTC Bit 6
// D7 - PORTC Bit 7
// Characters/line: 16
lcd_init(16);

// Global enable interrupts
#asm("sei&quot

while (1)
{
if(senddata)
{
lcd_clear();
lcd_gotoxy(0,0);
sprintf(str,"%s",buffer);
lcd_puts(str);
senddata=0;
// Place your code here

}
};
}
:nerd: