شبکه کردن avr با rs485

[pesar_kocholo]

سلام دوستان

راستش من می خوام چندتا میکرو را از طریق rs485 شبکه کنم یکم برنامه نوشتم اما درست کار نمیکنه
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این برنامه اسلیو

/************************************************** ***
This program was produced by the
CodeWizardAVR V1.24.4 Standard
Automatic Program Generator
© Copyright 1998-2004 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com
e-mailffice@hpinfotech.com

Project :
Version :
Date : 6/23/2009
Author : R.G
Company : R.G
Comments:


Chip type : ATmega16
Program type : Application
Clock frequency : 8.000000 MHz
Memory model : Small
External SRAM size : 0
Data Stack size : 256
************************************************** ***/

#include <mega16.h>
#include <delay.h>
// Alphanumeric LCD Module functions
#include <lcd.h>
#asm
.equ __lcd_port=0x1B ;PORTA
#endasm



//slave address
#define sa 1

//protocol max lenght
#define prtocol_max_lenght 32

// send recieve port
#define src PORTB.0

// number of sync byte
#define n_sync 2


// Declare your global variables here
unsigned char a[prtocol_max_lenght];
unsigned char text[32]={'a','r','m',' a','n',' ','k','o','n&#039 ;};



//declare function
unsigned char slave_recieve(unsigned char data[prtocol_max_lenght]);
void slave_send(unsigned char data[prtocol_max_lenght],unsigned char tedad);

#define RXB8 1
#define TXB8 0
#define UPE 2
#define OVR 3
#define FE 4
#define UDRE 5
#define RXC 7

#define FRAMING_ERROR (1<<FE)
#define PARITY_ERROR (1<<UPE)
#define DATA_OVERRUN (1<<OVR)
#define DATA_REGISTER_EMPTY (1<<UDRE)
#define RX_COMPLETE (1<<RXC)

// USART Receiver buffer
#define RX_BUFFER_SIZE 8
char rx_buffer[RX_BUFFER_SIZE];

#if RX_BUFFER_SIZE<256
unsigned char rx_wr_index,rx_rd_index,rx_counter;
#else
unsigned int rx_wr_index,rx_rd_index,rx_counter;
#endif

// This flag is set on USART Receiver buffer overflow
bit rx_buffer_overflow;

// USART Receiver interrupt service routine
interrupt [USART_RXC] void usart_rx_isr(void)
{

char status;
status=UCSRA;
if ((status & (FRAMING_ERROR | PARITY_ERROR | DATA_OVERRUN))==0)
{

slave_recieve(a);

}


}











#ifndef _DEBUG_TERMINAL_IO_
// Get a character from the USART Receiver buffer
#define _ALTERNATE_GETCHAR_
#pragma used+
char getchar(void)
{
char data;
while (rx_counter==0);
data=rx_buffer[rx_rd_index];
if (++rx_rd_index == RX_BUFFER_SIZE) rx_rd_index=0;
#asm("cli&quot
--rx_counter;
#asm("sei&quot
return data;
}
#pragma used-
#endif

// USART Transmitter buffer
#define TX_BUFFER_SIZE 8
char tx_buffer[TX_BUFFER_SIZE];

#if TX_BUFFER_SIZE<256
unsigned char tx_wr_index,tx_rd_index,tx_counter;
#else
unsigned int tx_wr_index,tx_rd_index,tx_counter;
#endif

// USART Transmitter interrupt service routine
interrupt [USART_TXC] void usart_tx_isr(void)
{
if (tx_counter)
{
--tx_counter;
UDR=tx_buffer[tx_rd_index];
if (++tx_rd_index == TX_BUFFER_SIZE) tx_rd_index=0;
};
}

#ifndef _DEBUG_TERMINAL_IO_
// Write a character to the USART Transmitter buffer
#define _ALTERNATE_PUTCHAR_
#pragma used+
void putchar(char c)
{
while (tx_counter == TX_BUFFER_SIZE);
#asm("cli&quot
if (tx_counter || ((UCSRA & DATA_REGISTER_EMPTY)==0))
{
tx_buffer[tx_wr_index]=c;
if (++tx_wr_index == TX_BUFFER_SIZE) tx_wr_index=0;
++tx_counter;
}
else
UDR=c;
#asm("sei&quot
}
#pragma used-
#endif

// Standard Input/Output functions
#include <stdio.h>






void main(void)
{
// 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
//initial value of src=PORTB.0=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=FFh
// OC0 output: Disconnected
TCCR0=0x00;
TCNT0=0x00;
OCR0=0x00;

// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: Timer 1 Stopped
// Mode: Normal top=FFFFh
// OC1A output: Discon.
// OC1B output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
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: Timer 2 Stopped
// Mode: Normal top=FFh
// 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
// Communication Parameters: 9 Data, 1 Stop, Odd Parity
// USART Receiver: On
// USART Transmitter: On
// USART Mode: Asynchronous
// USART Baud rate: 500k
// U2X=1
// MPCM=1
UCSRA=0x03;
UCSRB=0xDC;
UCSRC=0xB6;
UBRRH=0x00;
UBRRL=0x33;

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

// LCD module initialization
lcd_init(16);

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

src=0;

while (1)
{
// Place your code here

};
}



unsigned char slave_recieve(unsigned char data[prtocol_max_lenght])
{
unsigned char i, tedad,con;


if(UDR==sa)
{

UCSRA&=0xfe;
while(!(UCSRA&0B10000000));
con=UDR;


if(con==0x02)
{
lcd_putsf("command"
//delay_us(100);
//slave_send(text,9);
UCSRA|=0x01;
return 1;
}




if (con == 0x01)
{

while(!(UCSRA&0B10000000));
tedad=UDR;

for(i=0;i<tedad;i++)
{
while(!(UCSRA&0B10000000));
data[i]=UDR;
}
lcd_puts(a);
}


UCSRA|=0x01;
return 1;

}

}




void slave_send(unsigned char data[prtocol_max_lenght],unsigned char tedad)
{
unsigned char i=0;

src=1; // sender

// sync
for(i=0;i<n_sync;++i)
{
UCSRB &=0xfe;
UDR=0xff;
while( !(UCSRA & 0b00100000)); //waite until transmition complete
}


UCSRB &=0xfe;
UDR=tedad;
while( !(UCSRA & 0b00100000)); //waite until transmition complete


for (i=0;i<tedad;i++)
{
UCSRB &=0xfe;
UDR=data[i];
while( !(UCSRA & 0b00100000)); //waite until transmition complete
}

src=0; //receiver

}

[pesar_kocholo]

پاسخ : شبکه کردن avr با rs485

اینم مستر


/************************************************** ***
This program was produced by the
CodeWizardAVR V1.24.4 Standard
Automatic Program Generator
© Copyright 1998-2004 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com
e-mailffice@hpinfotech.com

Project :
Version :
Date : 6/23/2009
Author : R.G
Company : R.G
Comments:


Chip type : ATmega32
Program type : Application
Clock frequency : 8.000000 MHz
Memory model : Small
External SRAM size : 0
Data Stack size : 512
************************************************** ***/

#include <mega32.h>
#include <stdio.h>
#include <delay.h>
#asm
.equ __lcd_port=0x1B ;PORTA
#endasm
#include <lcd.h>

//slave address
#define s1 1
#define s2 2


#define src PORTB.0 // send recieve port
#define prtocol_max_lenght 32 //protocol max lenght
#define n_sync 2




//declare function
void master_send(unsigned char data[prtocol_max_lenght],unsigned char tedad,unsigned char address,unsigned char con);
unsigned char master_recieve(unsigned char data[prtocol_max_lenght]);
void master_command(unsigned char address,unsigned char command);




//declare global variable
unsigned char x[prtocol_max_lenght];
unsigned char x1[prtocol_max_lenght]={'r','a','h',' i','m',' ','g','h','o',& #039;r','a','n','i&# 039;};
unsigned char x2[prtocol_max_lenght]={'n','i','l',' u','f','a','r'} ;

unsigned char t=0;


#define RXB8 1
#define TXB8 0
#define UPE 2
#define OVR 3
#define FE 4
#define UDRE 5
#define RXC 7

#define FRAMING_ERROR (1<<FE)
#define PARITY_ERROR (1<<UPE)
#define DATA_OVERRUN (1<<OVR)
#define DATA_REGISTER_EMPTY (1<<UDRE)
#define RX_COMPLETE (1<<RXC)

// USART Receiver buffer
#define RX_BUFFER_SIZE 8
char rx_buffer[RX_BUFFER_SIZE];

#if RX_BUFFER_SIZE<256
unsigned char rx_wr_index,rx_rd_index,rx_counter;
#else
unsigned int rx_wr_index,rx_rd_index,rx_counter;
#endif

// This flag is set on USART Receiver buffer overflow
bit rx_buffer_overflow;

// USART Receiver interrupt service routine
interrupt [USART_RXC] void usart_rx_isr(void)
{

lcd_putchar (UDR);


}

#ifndef _DEBUG_TERMINAL_IO_
// Get a character from the USART Receiver buffer
#define _ALTERNATE_GETCHAR_
#pragma used+
char getchar(void)
{
char data;
while (rx_counter==0);
data=rx_buffer[rx_rd_index];
if (++rx_rd_index == RX_BUFFER_SIZE) rx_rd_index=0;
#asm("cli&quot
--rx_counter;
#asm("sei&quot
return data;
}
#pragma used-
#endif

// USART Transmitter buffer
#define TX_BUFFER_SIZE 8
char tx_buffer[TX_BUFFER_SIZE];

#if TX_BUFFER_SIZE<256
unsigned char tx_wr_index,tx_rd_index,tx_counter;
#else
unsigned int tx_wr_index,tx_rd_index,tx_counter;
#endif

// USART Transmitter interrupt service routine
interrupt [USART_TXC] void usart_tx_isr(void)
{
if (tx_counter)
{
--tx_counter;
UDR=tx_buffer[tx_rd_index];
if (++tx_rd_index == TX_BUFFER_SIZE) tx_rd_index=0;
};
}

#ifndef _DEBUG_TERMINAL_IO_
// Write a character to the USART Transmitter buffer
#define _ALTERNATE_PUTCHAR_
#pragma used+
void putchar(char c)
{
while (tx_counter == TX_BUFFER_SIZE);
#asm("cli&quot
if (tx_counter || ((UCSRA & DATA_REGISTER_EMPTY)==0))
{
tx_buffer[tx_wr_index]=c;
if (++tx_wr_index == TX_BUFFER_SIZE) tx_wr_index=0;
++tx_counter;
}
else
UDR=c;
#asm("sei&quot
}
#pragma used-
#endif

// Standard Input/Output functions
#include <stdio.h>

// Declare your global variables here

void main(void)
{
// Declare your local variables here



// Input/Output Ports initialization
// Port A 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
PORTA=0x00;
DDRA=0xFF;

// Port B 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
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=FFh
// OC0 output: Disconnected
TCCR0=0x00;
TCNT0=0x00;
OCR0=0x00;

// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: Timer 1 Stopped
// Mode: Normal top=FFFFh
// OC1A output: Discon.
// OC1B output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
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: Timer 2 Stopped
// Mode: Normal top=FFh
// 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
// Communication Parameters: 9 Data, 1 Stop, Odd Parity
// USART Receiver: On
// USART Transmitter: On
// USART Mode: Asynchronous
// USART Baud rate: 500k
// U2X=1
UCSRA=0x02;
UCSRB=0xDC;
UCSRC=0xB6;
UBRRH=0x00;
UBRRL=0x33;

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

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

// LCD module initialization
lcd_init(16);



delay_ms(1000);
master_send(x1,13,1,1);


delay_ms(500);
master_command(1,0x02);
delay_ms(50);
src=0;
//master_recieve(x);

//lcd_puts(x);


/*delay_ms(800);
//lcd_putchar('y'
//master_send(x2,7,2,1);

master_send(x2,7,1,1);
delay_ms(500);
//master_send(x1,13,2,1);

*/

while (1)
{


};

}




void master_command(unsigned char address,unsigned char command)
{
src=1;

UCSRB |=0x1;
UDR=address;
while( !(UCSRA & 0b00100000)); //waite until transmition complete

UCSRB &=0xfe;
UDR=command;
while( !(UCSRA & 0b00100000)); //waite until transmition complete



}




void master_send(unsigned char data[prtocol_max_lenght],unsigned char tedad,unsigned char address,unsigned char con)
{

unsigned char i;

src=1;


UCSRB |=0x1;
UDR=address;
while( !(UCSRA & 0b00100000)); //waite until transmition complete

UCSRB &=0xfe;
UDR=con;
while( !(UCSRA & 0b00100000)); //waite until transmition complete

UCSRB &=0xfe;
UDR=tedad;
while( !(UCSRA & 0b00100000)); //waite until transmition complete


for (i=0;i<tedad;++i)
{
UCSRB &=0xfe;
UDR=data[i];
while( !(UCSRA & 0b00100000)); //waite until transmition complete
}



}






unsigned char master_recieve(unsigned char data[prtocol_max_lenght])
{
unsigned char i,tedad;
src=0; //receiver


// sync
for(i=0;i<n_sync;++i)
{
while(!(UCSRA&0B10000000));
tedad=UDR;

}


while(!(UCSRA&0B10000000));
tedad=UDR;



for(i=0;i<tedad;++i)
{
while(!(UCSRA&0B10000000));
data[i]=UDR;


}


lcd_putchar(tedad+'A'
lcd_puts(data);


return 1;


}

[electronet]

پاسخ : شبکه کردن avr با rs485

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