U23 2008/Gruppe1

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Revision as of 12:12, 26 August 2008 by 91.53.99.205 (talk) (→‎Sourcecode, TEST:)
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Gruppe1

Mitglieder:


-...(Hier eure Namen eintragen)
-Maike
-skullbocks
-Gesche
-Trella
-Smasher (Brille und anthrazit-farbenes dell notebook ;) )


Taster

  1. include <avr/io.h>
#include <util/delay.h>

uint8_t zeit; uint8_t richtung; uint8_t anaus;

uint8_t t0, temp0;

/*void lauflicht(void) {

}*/

void main(void) { 

 DDRC &= ~(_BV(PC0)|_BV(PC1)|_BV(PC2)|_BV(PC3)); //Schalter
 DDRC &= _BV(PC4); //Lampe4
 DDRD &= _BV(PD3) | _BV(PD6) | _BV(PD7); //Lampe 1-3
 PORTC = _BV(PC0)|_BV(PC1)|_BV(PC2)|_BV(PC3); //Pullups



 t0= 0;
 anaus = 0x00; //0x00 = aus; 0xff = an

 _delay_loop_2(0); //Kurz warten, bis pullups ready

while(1){
 	temp0 = PINC & _BV(PC0);

_delay_loop_2(0); if((PINC & _BV(PC0)) == temp0){ t0 = temp0;

}

if (t0 == 0) PORTD = 128; else PORTD = 0; 


}

}



/*if( (PINC & _BV(PC0)) == 0){ _delay_loop_2(0); if( (PINC & _BV(PC0)) == 0 ){ //anaus != anaus; PORTD = 0xff; } 

 }*/


Sourcecode, Projektabend2:

 #include <avr/io.h>
 #include <util/delay.h>
 #define GET_LAMPE(tl) ( (tl) & 0b11 )
 #define GET_ZEIT(tl) ( (tl) >> 2 )
 #define GET_TL(l,t) ( ((t)<<2) | ((l)&0b11) )
 void lampe(uint8_t l)
 { 
 	switch (l) 
 	{
 		case 0: PORTC ^= _BV(PC4);
 			break;
 		case 1: PORTD ^= _BV(PD3);
 			break;
 		case 2: PORTD ^= _BV(PD6);
 			break;
 		case 3: PORTD ^= _BV(PD7);
 			break;
 		default: break;
 	}
 }
 void zehntelsekunde(uint8_t f)
 {
 	uint8_t i;
 	for (i = 0; i < 8*f; i++) 
 		/* wait 4 * 65536 cycles */
 		_delay_loop_2(0);
 }  
 void schritt(uint8_t tl)
 {
 	lampe(GET_LAMPE(tl));
 	zehntelsekunde(GET_ZEIT(tl));
 }
 void main(void) {
 	DDRC = _BV(PC4);
 	DDRD = _BV(PD3) | _BV(PD6) | _BV(PD7); 
  	uint8_t ls[] = {GET_TL(0,10),GET_TL(2,20),GET_TL(1,50)};
 	uint8_t p=0;
  	for ( ;p <3;p++)
 		schritt(ls[p]);
  	for ( ;; ) ;
  }

Sourcecode, Projektabend1:

/*Dieses Programm lässt ein bestimmtes Muster auf unserem Testboard ablaufen*/ 

#include <avr/io.h>
#include <util/delay.h>
void lampe(uint8_t l)
{ 
	switch (l) 
	{
		case 0: PORTC ^= _BV(PC4);
			break;
		case 1: PORTD ^= _BV(PD3);
			break;
		case 2: PORTD ^= _BV(PD6);
			break;
		case 3: PORTD ^= _BV(PD7);
			break;
		default: break;
	}
}
void main(void) {
	/* config PD7 as output */

	DDRC = _BV(PC4);
	DDRD = _BV(PD3) | _BV(PD6) | _BV(PD7); 

	uint8_t ls[] = {0, 1, 0, 2, 1, 3, 2, 1, 3};
	uint8_t p=0;

	while(1) {
		//PORTD ^= _BV(PD7);
		uint8_t i;
		
		lampe(ls[p]);
		p++;
		for (i = 0; i < 76; i++) {
			/* wait 4 * 65536 cycles */
			_delay_loop_2(0);
		}
	}
	for ( ;; ) ;

}

Sourcecode, TEST:

;für den mega8: ;PORTC[0..5] liegt an PA[1..6], PORTB[0..5] liegt an PB[3..8], ;PORTD[0..7] liegt an PD[1..8] ;für den tiny2313: ;PORTB[0..7] liegt an PB[1..8], PORTD[0..6] liegt an PD[1..7] .include "m168def.inc" ;****************************** ; Pin Belegung ;DB4-7 = PORT D. 0-3 ;ENABLE=PORT D Pin 7 ;RS= PORTD Pin 4 .def temp = r16 .def temp1=r20 .equ enable=5 .equ rs=4 .equ LCD_PORT = PORTD .equ LCD_DDR = DDRD .org 0x0000 rjmp main main: ldi temp, LOW(RAMEND) ; Stackpointer initialisieren out SPL, temp ldi temp, HIGH(RAMEND) out SPH, temp ldi temp,0xFF ; Port D als Ausgang out LCD_DDR, temp lcdinit: ldi temp, 0x00 out LCD_PORT, temp ;****************************************** ; LCD mitteilen, dass im 4 Bit Modus gearbeitet wird rcall delay15ms ;Hier mindestens 15ms warten! rcall delay15ms ;Zur sicherheit! z.b. nach Stromeinschalten! ldi temp, 0b00000011 out LCD_PORT, temp rcall enable_routine rcall delay4ms ;Mindestens 4,1ms warten! ldi temp, 0b00000011 out LCD_PORT,temp rcall enable_routine rcall short_delay ;Mindestens 100us warten! rcall short_delay ldi temp, 0b00000011 out LCD_PORT, temp rcall enable_routine ldi temp, 0b00000010 ;Hier wird letztendlich 4-Bit Modus eingeschaltet out LCD_PORT, temp rcall enable_routine rcall short_delay ;Hier zur sicherheit 60us zum abarbeiten ;4 Bit Modus Mitteilung abgeschlossen ; ******************************************* ldi temp, 0b00000010 ;2 Zeilig 5x8 matrix out LCD_PORT, temp rcall enable_routine ldi temp,0b00001000 out LCD_PORT, temp rcall enable_routine rcall short_delay ;Kurze Wartezeit zum abarbeiten rcall display_off rcall clear_display ldi temp, 0b00000000; Kursor nach rechts wandernd, kein display shift out LCD_PORT, temp rcall enable_routine ldi temp, 0b00000010 out LCD_PORT, temp rcall enable_routine rcall delay2ms rcall display_on ldi temp, 0b00000000 ; display ein, Cursor ein, Cursor Blinkend out LCD_PORT, temp rcall enable_routine ldi temp, 0b00001111 out LCD_PORT, temp rcall enable_routine ; ferig ldi temp, 'H' rcall lcd_print ldi temp, 'a' rcall lcd_print ldi temp, 'l' rcall lcd_print ldi temp, 'l' rcall lcd_print ldi temp, 'o' rcall lcd_print ldi temp, ' ' rcall lcd_print ldi temp, 'W' rcall lcd_print ldi temp, 'e' rcall lcd_print ldi temp, 'l' rcall lcd_print ldi temp, 't' rcall lcd_print loop: rjmp loop lcd_print: mov temp1, temp swap temp andi temp, 0b00001111 sbr temp, 1<<rs out LCD_PORT, temp rcall enable_routine andi temp1, 0b00001111 sbr temp1, 1<<rs out LCD_PORT, temp1 rcall enable_routine rcall short_delay ret display_on: ldi temp, 0b00000000 out LCD_PORT, temp rcall enable_routine ldi temp,0b00001100 out LCD_PORT, temp rcall enable_routine rcall delay2ms ret display_off: ldi temp, 0b00000000 out LCD_PORT, temp rcall enable_routine ldi temp, 0b00001000 out LCD_PORT, temp rcall enable_routine rcall delay2ms ret clear_display: ldi temp, 0b00000000 out LCD_PORT, temp rcall enable_routine ldi temp, 0b00000001 out LCD_PORT,temp rcall enable_routine rcall delay2ms ret enable_routine: rcall short_delay sbi LCD_PORT,enable rcall short_delay cbi LCD_PORT, enable rcall short_delay ret delay15ms: ; ============================= ; Warteschleifen-Generator ; 340000 Zyklen: ; ----------------------------- ; warte 339999 Zyklen: ldi R17, $0B WGLOOP0: ldi R18, $33 WGLOOP1: ldi R19, $C9 WGLOOP2: dec R19 brne WGLOOP2 dec R18 brne WGLOOP1 dec R17 brne WGLOOP0 ; ----------------------------- ; warte 1 Zyklus: nop ; ============================= ret delay4ms: ; ============================= ; Warteschleifen-Generator ; 90000 Zyklen: ~4,7ms ; ----------------------------- ; warte 89997 Zyklen: ldi R17, $83 WALOOP0: ldi R18, $E4 WALOOP1: dec R18 brne WALOOP1 dec R17 brne WALOOP0 ; ----------------------------- ; warte 3 Zyklen: ldi R17, $01 WALOOP2: dec R17 brne WALOOP2 ; ============================= ret delay2ms: ; ============================= ; Warteschleifen-Generator ; 48000 Zyklen: ; ----------------------------- ; warte 47988 Zyklen: ldi R17, $56 WCLOOP0: ldi R18, $B9 WCLOOP1: dec R18 brne WCLOOP1 dec R17 brne WCLOOP0 ; ----------------------------- ; warte 12 Zyklen: ldi R17, $04 WCLOOP2: dec R17 brne WCLOOP2 ; ============================= ret short_delay: ; ============================= ; Warteschleifen-Generator ; 1000 Zyklen: ca. 60us laut oszi ; ; ----------------------------- ; warte 999 Zyklen: ldi R17, $03 WDLOOP0: ldi R18, $6E WDLOOP1: dec R18 brne WDLOOP1 dec R17 brne WDLOOP0 ; ----------------------------- ; warte 1 Zyklus: nop ; ============================= ret

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