notepad.c

AVR Mega88 + nRF24L01 wireless 2.4GHz >> Driver nRF24L01 >> AVRSTUDIO project

// --PORTD 
#define EN     2 
#define RW     1 
#define RS     0 
#define lcd_rs_set() setb(PORTD,RS) 
#define lcd_rs_clr() clrb(PORTD,RS) 
#define lcd_en_set() setb(PORTD,EN) 
#define lcd_en_clr() clrb(PORTD,EN) 
#define lcd_rw_set() setb(PORTD,RW) 
#define lcd_rw_clr() clrb(PORTD,RW) 


#include <avr/io.h>
#include <avr/pgmspace.h>
#include <avr/delay.h>
#include <avr/interrupt.h>
#include <stdlib.h>


#define outp( val, port )  ( port ) = ( val )
#define inp( port )  ( port )
#define sbi( port, bit )  ( port ) |= ( 1 << (bit) )
#define cbi( port, bit )  ( port ) &= ~( 1 << (bit) )
#define chkbit( pin,bit )  (pin  & (0x00 | ( 1 << (bit) )))


#define K_DELAY	F_CPU/300


volatile char tempPort;

static volatile  unsigned char Key;
static volatile unsigned int Key_BUFFER[12];
static char KeyEncoder[] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};

extern void delayloop(unsigned long t); 
extern void delay_us(unsigned int  us);
extern void delay_ms(unsigned long  ms);
extern void wait_until_key_pressed(void);
extern void wait_until_key_free(void);
extern void blink(void);
extern void int0_initial(void);

void delayloop(unsigned long t) 
{
	unsigned int i;
	if (t==0) return;
	while (t--) for(i=0;i<K_DELAY; i++);
}

void delay_ms(unsigned long  ms) 
{ 
    unsigned long i; 
    ms *= 1000; 
    for (i=0; i < ms; i++) 
    { 
        _delay_us(1); 
    } 
} 

void delay_us(unsigned int  us) 
{ 
    unsigned long i; 
	
    for (i=0; i < us; i++) 
    { 
        _delay_us(1); 
    } 
} 


void  blink(void)
{
  for(int i=0;i<=10;i++)
  {
       outp(0xF0,PORTA);
       delay_ms(50);	   
       outp(0x0F,PORTA);
       delay_ms(50);	   
  }
}

void wait_until_key_pressed(void)
{
    unsigned char temp1, temp2;
    unsigned int i;
    
    do {
        temp1 = PIND;                  // read input
        for(i=0;i<65535;i++);
        temp2 = PIND;                  // read input
        temp1 = (temp1 & temp2);       // debounce input
    } while ( temp1 & _BV(PIND2) );
    
    loop_until_bit_is_set(PIND,PIND2);            /* wait until key is released */
}


void wait_until_key_free(void)
{
    unsigned char temp1, temp2;
    unsigned int i;
    
    do {
        temp1 = PIND;                  // read input
        for(i=0;i<65535;i++);
        temp2 = PIND;                  // read input
        temp1 = (temp1 & temp2);       // debounce input
    } while ( temp1 & _BV(PIND2) );
    
    loop_until_bit_is_clear(PIND,PIND2);         
}


SIGNAL(SIG_INTERRUPT0) 
{
    char pressedButtonIndex;
	
	pressedButtonIndex = (PINB & 0x0F);

	PORTA=0x00;
    if(chkbit(PIND,2))
	{
		PORTA = pressedButtonIndex;
		delay_ms(50);
	}else{
	    PORTA=0x00;
		PINB = 0x00;
	}
	tempPort = pressedButtonIndex;
	//wait_until_key_free();
}

void int0_initial(void)
{
   //SREG = 0x80;		
   MCUCR = (1<<ISC01) | (1<<ISC00);		
   GICR = (1<<INT0);		
}

/*****************************************************************************/

int main(void)
{
    unsigned char tempPort;
 	DDRA=0xFF;
    PORTA=0x00;

 	DDRB=0x00;
    PORTB=0x00;

 	DDRC=0x0F;
    PORTC=0x00;

    outp(0x0F,PORTA);
    delay_ms(200);	   
    outp(0xF0,PORTA);
    delay_ms(200);	   

    outp(0b00001100,PORTC);
    delay_ms(200);	   
    outp(0b00000011,PORTC);
    delay_ms(200);	   
	
	sei();
    int0_initial();
	while(1)
	{ 
	
		PORTC = tempPort;
//	outp(tempPort,PORTC);	
	/*
		if (chkbit(PINB,0))  
		{
		  PORTA = 0x01;
		}
		else {
		  PORTA = 0x02;
		}
	    
	*/   
	}
    return 0;
}






 while(TRUE)
 {
   //while(usart_ready()) /* True if "Not" empty */		
	while(DataInReceiveBuffer()) /* True if "Not" empty */		
	{
		c = usart_getc();
		
		// Recieve "W"
		if(c =='W')  // Full Function Search DS1820 ID 
		{	
			start_meas();
			for( diff = SEARCH_FIRST; diff != LAST_DEVICE; )
			{
			
				diff = w1_rom_search( diff, id );
				usart_SendBcd(diff);	
				usart_puts( " = " );
				for(unsigned char  i = 0; i < 8; i++ ){
						//sprintf( s, "%02X", id[i] );
						//usart_s( s );				
						usart_SendBcd(id[i]);						
				}
				usart_puts( " [*] " );
				
				if( diff == PRESENCE_ERR ){
					usart_puts( "No Sensor found \n" );
					break;
				}
		
				if( diff == DATA_ERR ){
					usart_puts( "Bus Error \n" );
					break;
				}
	  
				if( id[0] == 0x28 || id[0] == 0x10 )
				{	// if have DS1820 sensor
					usart_puts( "ID>>" );
					for(unsigned char  i = 0; i < 8; i++ ){
						sprintf( s, "%02X ", id[i] );
						usart_puts( s );				
					}
					usart_puts( "\n\r" );	  
				}	
			}	
		}			

		// Recieve "S"
		if (c =='S')  /* Single Search DS1820 by interbal Function */
		{
			lcd_gotoxy(0,0);	
			start_meas();
			id_search();
		}


		// Recieve "X"
		if (c =='X')  /* Single Read DS1820 show to LCD */
		{
            lcd_clrscr();		
			lcd_gotoxy(0,0);	
			start_meas();
			read_meas();
		}

		// Recieve "Y"
		if(c =='Y')  /* Single Read DS1820 show to USART */
		{	
			start_meas();
			read_meas_usart();
		}	

		// Recieve "Z"
		if (c =='Z')  /* Continueus Read DS1820 show to LCD+USART */
		{
           lcd_clrscr();		
			do{
				lcd_gotoxy(0,0);	
				start_meas();
				read_meas();
				
			    start_meas();
			    read_meas_usart();	
				
				usart_puts(" \n\r");				
				delay_ms(1000);
				
	        }while(!usart_ready());
		}		
		
		
	}/* end of check Command data buffer*/
		
 }/*end of main While() loop  */
 


	
 	/*		while(1)
	{

		cbi(PortMAX3100,CS);
		tempInt = read_MAX3100(0x80F1);
		sbi(PortMAX3100,CS);
		cbi(PortMAX3100,DIN);	
		cbi(PortMAX3100,CLK);	
        delay_us(CS_PULSE);
		
		usart_puts("W1: ");
		usart_16bitHex(tempInt);		
        usart_puts(" ::\n\r");		
		
		delay_ms(1000);
			
		while(irqFlag = 0);
		delay_ms(1000);
		

		sbi(PortMAX3100,CS);
		cbi(PortMAX3100,DIN);	
		cbi(PortMAX3100,CLK);				
	    delay_us(CS_PULSE);				

		cbi(PortMAX3100,CS);
		tx1 = read_MAX3100(0x8081);
		
		sbi(PortMAX3100,CS);
		cbi(PortMAX3100,DIN);	
		cbi(PortMAX3100,CLK);	
		usart_puts("W2: ");
		usart_16bitHex(tx1);		
        usart_puts(" ::\n\r");			

        delay_us(CS_PULSE);
	
		if((tx1 & 0x8000)==1)	
		
	
		cbi(PortMAX3100,CS);
		tx1 = read_MAX3100(0x0000);

		sbi(PortMAX3100,CS);
		cbi(PortMAX3100,DIN);	
		cbi(PortMAX3100,CLK);				
		
	    delay_us(CS_PULSE);		
	
		cbi(PortMAX3100,CS);
		tx1 = read_MAX3100(0x8081);

		sbi(PortMAX3100,CS);
		cbi(PortMAX3100,DIN);	
		cbi(PortMAX3100,CLK);		

        delay_us(CS_PULSE);	
		
		cbi(PortMAX3100,CS);
		tx1 = read_MAX3100(0x0000);

		sbi(PortMAX3100,CS);
		cbi(PortMAX3100,DIN);	
		cbi(PortMAX3100,CLK);				

        delay_us(CS_PULSE);	
		
		cbi(PortMAX3100,CS);
		tx1 = read_MAX3100(0x0000);

		sbi(PortMAX3100,CS);
		cbi(PortMAX3100,DIN);	
		cbi(PortMAX3100,CLK);				

		delay_ms(1000);
	
	}
*/	



//********************************  END  *******************************************//

/*
  while(DataInReceiveBuffer())
		{
			c = usart_getc();

			if(c =='A')   
			{	
			    milseconds=0;   
				usart_puts("\n\r ## Recieve 'A' ## \n\r");
				do{  
					if(milseconds==500)
					{
						milseconds=0;   
				        usart_puts("\n\r   -- 'A' ## \n\r");
					}
				}while(!DataInReceiveBuffer());
			}

			else if(c =='B')   // Recieve "A" loop for read A?D ch-0
			{	
			    milseconds=0;   
				usart_puts("\n\r ## Recieve 'B' ## \n\r");
				do{  
					if(milseconds==500)
					{
						milseconds=0;   
				        usart_puts("\n\r   -- 'B' ## \n\r");
					}
				}while(!DataInReceiveBuffer());
			}// end Recieve "A"			    	

*/