/*****************************************************
This program was produced by the
CodeWizardAVR V2.05.1b Evaluation
Automatic Program Generator
© Copyright 1998-2011 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com

Project :
Version :
Date    : 18.05.2011
Author  : Freeware, for evaluation and non-commercial use only
Company :
Comments:


Chip type               : ATmega16A
Program type            : Application
AVR Core Clock frequency: 1,000000 MHz
Memory model            : Small
External RAM size       : 0
Data Stack size         : 256
*****************************************************/

#include <mega16a.h>

// Declare your global variables here

unsigned int USART_Receive(void)
{
unsigned char status,resh,resl;
while (!(UCSRA &(1<<RXC))){
status=UCSRA;
resh=UCSRB;
resl=UDR;
if (status & (1<<FE)|(1<<DOR)|(1<<UPE))
return -1;
resh=(resh>>1)&0x01;
return((resh<<8)|resl);    
}
}

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=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=0x01;
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 disabled
SPCR=0x00;

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

if (USART_Receive()==56)  
         PORTB=0x01;
         else  
          PORTB=0x04;


while (1)
      {
      // Place your code here

      }
}

return(((int)resh<<8)|resl);

unsigned int USART_Receive(void)
{
unsigned char status,resh,resl;
while (!(UCSRA &(1<<RXC))){
status=UCSRA;
resh=UCSRB;
resl=UDR;
if (status & (1<<FE)|(1<<DOR)|(1<<UPE))
return -1;
resh=(resh>>1)&0x01;
return(((int)resh<<8)|resl);
}
}

if (USART_Receive()==56)  
         PORTB=0x01;
         else  
          PORTB=USART_Receive();

// 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=0x01;
DDRB=0xFF;

UCSRA=0x00;
UCSRB=0x10;
UCSRC=0x86;
UBRRH=0x00;
UBRRL=0x0C;

while (1)
{
   if (USART_Receive()==56)  
         PORTB=0x01;
         else  
          PORTB=USART_Receive();
}

unsigned char status,resh,resl;

unsigned int USART_Receive(void)
{
while (!(UCSRA &(1<<RXC))){
status=UCSRA;
resh=UCSRB;
resl=UDR;
if (status & (1<<FE)|(1<<DOR)|(1<<UPE))
return -1;
resh=(resh>>1)&0x01;
return((resh<<8)|resl); }
//return resl;  
}

/*****************************************************
This program was produced by the
CodeWizardAVR V2.05.1b Evaluation
Automatic Program Generator
© Copyright 1998-2011 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com

Project :
Version :
Date    : 18.05.2011
Author  : Freeware, for evaluation and non-commercial use only
Company :
Comments:


Chip type               : ATmega16A
Program type            : Application
AVR Core Clock frequency: 1,000000 MHz
Memory model            : Small
External RAM size       : 0
Data Stack size         : 256
*****************************************************/
#define RXCIE 7  
#define RXEN  4
#define TXEN  3
#define URSEL 7
#define UCSZ1 2
#define UCSZ0 1

#include <mega16a.h>
#include <delay.h>

//однобайтный буфер
volatile unsigned char usartRxBuf = 0;



//инициализация usart`a
void USART_Init(void)
{
  UBRRH = 0;
  UBRRL = 51; //скорость обмена 9600 бод
  UCSRB = (1<<RXCIE)|(1<<RXEN)|(1<<TXEN); //разр. прерыв при приеме, разр приема, разр передачи.
  UCSRC = (1<<URSEL)|(1<<UCSZ1)|(1<<UCSZ0); //размер слова 8 разрядов
}

#define UDRE 5
//отправка символа по usart`у
void USART_SendChar(unsigned char sym)
{
  while(!(UCSRA & (1<<UDRE)));
  UDR = sym;
}

//чтение буфера
unsigned char USART_GetChar(void)
{
  unsigned char tmp;
  unsigned char saveState = SREG;
  #asm("cli");
  tmp = usartRxBuf;
  usartRxBuf = 0;
  SREG = saveState;
  return tmp;  
}

//прием символа по usart`у в буфер
interrupt [USART_RXC] void usart_rxc_my(void)
{
  usartRxBuf = UDR;
}



// Declare your global variables here
/*
unsigned char status,resh,resl;

unsigned int USART_Receive(void)
{
while (!(UCSRA &(1<<RXC))){
status=UCSRA;
resh=UCSRB;
resl=UDR;
if (status & (1<<FE)|(1<<DOR)|(1<<UPE))
return -1;
resh=(resh>>1)&0x01;
return((resh<<8)|resl); }
//return resl;  
}
   */  
  
   unsigned char sym;
  
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=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=0x01;
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

UCSRA=0x00;
UCSRB=0x10;
UCSRC=0x86;
UBRRH=0x00;
UBRRL=0x0C;

// 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 disabled
SPCR=0x00;

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

   /*   if (USART_Receive()==56)  
         PORTB=0x02;
         else  
         PORTB=USART_Receive();
       */
      
      

  
  USART_Init();
//  LCD_Init();
  #asm("sei");
//  LCD_SendStringFlash("uart:");
  
  while(1){
    sym = USART_GetChar(); //читаем буфер
    if (sym){             //если что-то приняли, то
//      LCD_Goto(6,0);
//      LCD_WriteData(sym); //отображаем на lcd принятый символ
      USART_SendChar('O'); //отвечаем компу "Ok "
      USART_SendChar('k');  
      USART_SendChar(' ');  
    }
  }  
    
/*
while (1)
      {    
      // Place your code here  
       PORTB=0x01;
       delay_ms(1000);  
       PORTB=0x00;
       delay_ms(1000);  
      
  
      }  */

}

unsigned char status,resh,resl;

unsigned int USART_Receive(void)
{
while (!(UCSRA &(1<<RXC))){
status=UCSRA;
resh=UCSRB;
resl=UDR;
if (status & (1<<FE)|(1<<DOR)|(1<<UPE))
return -1;
resh=(resh>>1)&0x01;
return((resh<<8)|resl); }
}

/* Wait for data to be received */
while ( !(UCSRA & (1<<RXC)) )
;