/*****************/
//     Test n°4.a         // 
//     Emetteur           //
/*****************/

/*****************************************************
This program was produced by the
CodeWizardAVR V1.25.3 Evaluation
Automatic Program Generator
© Copyright 1998-2007 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com

Project : 
Version : 
Date    : 
Author  :
Company : 
Comments: 


Chip type           : ATmega8535
Program type        : Application
Clock frequency     : 16,000000 MHz
Memory model        : Small
External SRAM size  : 0
Data Stack size     : 128
*****************************************************/

#include <mega8535.h>

// Alphanumeric LCD Module functions
#asm
   .equ __lcd_port=0x15 ;PORTC
#endasm
#include <lcd.h>
// Standard Input/Output functions
#include <stdio.h>  
#include <delay.h>  

// Declare your global variables here 
#define KART2 PIND.7
#define KART1 PIND.6

unsigned char var,var1,var2;
void USART_Transmit( unsigned char data )
{
/* Wait for empty transmit buffer */
while ( !( UCSRA & (0x20)) ) // Test de UDRE bit 5
;
/* Put data into buffer, sends the data */
UDR = data;
}

void main(void)
{
// Declare your local variables here
unsigned char tempo;
unsigned char tampon[20];

// 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=0x00;
DDRB=0x00;

// 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=0x0F;

// 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
// Timer 1 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: 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: 8 Data, 1 Stop, No Parity
// USART Receiver: Off
// USART Transmitter: On
// USART Mode: Asynchronous
// USART Baud rate: 9600
// UCSRA=0x00;
UCSRA=0x20; // UDRE = 1
UCSRB=0x08;
UCSRC=0x86;
UBRRH=0x00;
UBRRL=0x67;

// 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);
lcd_gotoxy(0,0);
lcd_putsf("Borne de Depart");
tempo=0;
UDR = 0x55;

while (1)
      {  
      // Place your code here 
 
     	  //On initialise les variables à transmettre à 'S' comme Stop
		 var='S';
		 var1='S';
		 var2='S';	 

	 if (KART1 == 0) //Si le Kart1 franchit la ligne de départ
     { 
		//La variable à transmettre est '1'
         var='1';
		 var1='1';
		 var2='1';	
     }
      
     if (KART2 == 0) //Si le Kart2 franchit la ligne de départ
	{
		//La variable à transmettre est '2'
         var='2';
		 var1='2';
		 var2='2';
    }      
	  //On transmet la variable à l'autre carte 
      USART_Transmit(var);
	  USART_Transmit(var1);
	  USART_Transmit(var2);
     	  
	  tempo++;
      delay_us(500); 

      //Affichage sur le LCD:
	  lcd_gotoxy(0,1);
      lcd_putsf("Epreuve 50 m DA");
     
      lcd_gotoxy(0,2);
      sprintf(tampon,"Tempo = %3d",tempo);
      lcd_puts(tampon);
      
      lcd_gotoxy(0,3);      
      sprintf(tampon,"Var   = %1c",var);;
      lcd_puts(tampon);       
      };
}