U23 2008/Gruppe2

Gruppe 2

Gruppenchat:

u23group2@conference.koeln.ccc.de

Also einfach einen Jabber Account auf koeln.ccc.de oder jabber.ccc.de einrichten und schon gehts los. Wer zum Beispiel einen Gmail-Account hat, hat selbst schon einen Jabber Account und kann damit loslegen.

Mitglieder:

-kellertür (Mathias)
-UltraX8 (Arnaud) (Tom Tailor Polo-Shirt, blonde Haare)
-T06T (Thorsten mit H) (braune haare, braune augen, schwarze kleidung/humor)
-Thomas
-Lind (Bene) (ca. 190 groß, kurze Haare, schwarzes HardRock Cafe Shirt)

Sourcecode vom ersten Projektabend:

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

uint8_t globalconfig; 

static void led_control(uint8_t mode, uint8_t* sequence, uint8_t size, uint16_t delay) {
        switch (mode) {
                case 0: //rechtsshift
                        
                        break;
                case 1: //linksshift
                        
                        break;
                default:
                        for(uint8_t = 0; i<size; i++) {
                                ledset(sequence[i]);
                                mydelay(delay);
                        }
        }
} 
//Uebergabe ist die gewuenschte LED Konfiguration, die gesetzt werden soll
//Die Konfiguration wird als Binaerzahl uebergeben wobei nur die letzten vier stellen ausgewertet werden
static void ledset(uint8_t config) {
        globalconfig=config;
        PORTC=(config&0x01)<<PC4;
        PORTD=((config&0x02)<<(PD3-1))|((config&0x04)<<(PD6-2))|((config&0x08)<<(PD7-3));
}

//Delay in ms
static void mydelay(uint16_t delay){
        uint16_t i;
        for (i = 0; i < delay; i++) {
                /* wait 4 * 65536 cycles */
                _delay_loop_2(5000);
        }
}

void main(void) {
        //Port Direction config
        DDRC = _BV(PC4); /* == 1<<7 == 128 */
        DDRD = _BV(PD3)|_BV(PD6)|_BV(PD7); /* == 1<<7 == 128 */ 
        
        uint8_t bla=0;
        //Blinkschleife
        while(1) {
                ledset(bla);
                mydelay(500);
                bla++;
        }
}

== '''UltraX8's Source (no guarantee^^)''' == /***************************************************** Project : ATmega168 - LED Sequence Version : 1.0.0.1 Date : 25.08.2008 Author : Group 2 Company : C4 Comments: Chip type : ATmega168 Program type : Application Clock frequency : 2,000000 MHz Memory model : Small External RAM size : 0 Data Stack size : 256 *****************************************************/ /* Include the header files here */ #include <avr/io.h> #include <util/delay.h> /* Declare global variables here */ const uint8_t mode = 0; // running direction of LEDs or diagnostic mode (0-3) const uint8_t* sequence[] = {1, 3, 4, 1, 3, 1, 2, 3}; // led sequence const uint16_t delay = 100; // delay in ms static void led_control(uint8_t mode, uint8_t* sequence, uint8_t lastled) { static uint8_t lastled; // includes the last LED with state 1 static uint8_t array_position; // includes the last array position switch (mode){ case 0: // downshift if(lastled == 4){lastled = 1;}else{++lastled;} switch (lastled) { case 1: ledset(1, 0, 0, 0); // power on LED1 break; case 2: ledset(0, 1, 0, 0); // power on LED2 break; case 3: ledset(0, 0, 1, 0); // power on LED3 break; case 4: ledset(0, 0, 0, 1); // power on LED4 break; default: } break; case 1: // upshift if(lastled == 1){lastled = 4;}else{--lastled;} switch (lastled){ case 1: ledset(1, 0, 0, 0); // power on LED1 break; case 2: ledset(0, 1, 0, 0); // power on LED2 break; case 3: ledset(0, 0, 1, 0); // power on LED3 break; case 4: ledset(0, 0, 0, 1); // power on LED4 break; default: } break; case 2: // sequence switch (sequence[array_position]){ case 1: ledset(1, 0, 0, 0); // power on LED1 break; case 2: ledset(0, 1, 0, 0); // power on LED2 break; case 3: ledset(0, 0, 1, 0); // power on LED3 break; case 4: ledset(0, 0, 0, 1); // power on LED4 break; default: } if(array_position <= 7){array_position = 0;}else{++array_position;} break; default: // all LEDs 1 (diagnostic mode) ledset(1, 1, 1, 1); } } /* Needs the LED configuration */ static void ledset(uint8_t led1, uint8_t led2, uint8_t led3, uint8_t led4) { if(led1){PORTD |= (1 << PC4);} // set the first LED else{PORTD &= (1 << PC4);} if(led2){PORTD |= (1 << PD3);} // set the second LED else{PORTD &= (1 << PD3);} if(led3){PORTD |= (1 << PD6);} // set the third LED else{PORTD &= (1 << PD6);} if(led4){PORTD |= (1 << PD7);} // set the fourth LED else{PORTD &= (1 << PD7);} } static void mydelay(uint16_t delay) { uint8_t passes; uint16_t i; passes = delay; for(i = 0; i <= passes; i++) { _delay_loop_2(5000); // delay } } /* Entry Point */ void main(void) { DDRC = _BV(PC4); // set PC4 as output DDRD = _BV(PD3) | _BV(PD6) | _BV(PD7); // set PD3, PD6 and PD7 as output while(1) // never-ending loop { led_control(mode, sequence, lastled); // call led_control mydelay(delay); } }

Bezeichnungen der LEDs (siehe Datenblatt)

LED1 => PC4

LED2 => PD3

LED3 => PD6

LED4 => PD7

Funktionen der Globalen Variablen

uint8_t mode

0 = links...rechts

1 = rechts...links

2 = Sequenz aus Array

3 = default => alle LEDs an bzw. 1

uint8_t* sequence

Sequenz nach Schema uint8_t*[] = {0, 3, 4, 1, 3, 1, 2, 0};

Nach 4 LED-Moves fängt die Sequenz an der Stelle, wo sie zuletzt war wieder mit LED1 an.

uint16_t delay

Delay der Sequenz in MS.