25. September 2012

Grössere Probleme hatte ich keine. Sachen wie "Output-setzen-vergessen" haben Zeit gekostet, stellen aber keine nachhaltige Herausforderung dar.

#define LATCH_PIN 8 //Pin zu ST_CP vom 74HC595
 #define CLOCK_PIN 12 //Pin zu SH_CP vom 74HC595
 #define DATA_PIN 11 //Pin zu DS vom 74HC595
 #define LED_9 6
 #define LED_10 7
 #define TASTER_PLUS 2
 #define TASTER_MINUS 3

int lastButtonState[] = {1,1};
 long lastDebounceTime = 0; // Die letzte Zeit als der Taster gedrückt wurde
 long debounceDelay = 50; // Die Verzögerung des Tasters
 int counter = 0;

boolean buttonPlusPressed = false;
 boolean buttonMinusPressed = false;

void setup()
 {
 pinMode(TASTER_PLUS, INPUT);
 digitalWrite(TASTER_PLUS, HIGH);
 pinMode(TASTER_MINUS, INPUT);
 digitalWrite(TASTER_MINUS, HIGH);

pinMode(LATCH_PIN, OUTPUT);
 pinMode(CLOCK_PIN, OUTPUT);
 pinMode(DATA_PIN, OUTPUT);
 pinMode(LED_9, OUTPUT);
 pinMode(LED_10, OUTPUT);

Serial.begin(9600);
 }

void loop()
 {
 if(digitalRead(TASTER_PLUS) == LOW && buttonPlusPressed == false)
 {
 buttonPlusPressed = true;
 lastDebounceTime = millis();
 Serial.print("last Debounce: ");
 Serial.println(lastDebounceTime);
 }

if(digitalRead(TASTER_MINUS) == LOW && buttonMinusPressed == false)
 {
 buttonMinusPressed = true;
 lastDebounceTime = millis();
 Serial.print("last Debounce: ");
 Serial.println(lastDebounceTime);
 }

if(millis()-lastDebounceTime > debounceDelay && buttonPlusPressed == true || millis()-lastDebounceTime > debounceDelay && buttonMinusPressed == true)
 {
 // AKtion

if(digitalRead(TASTER_PLUS) == LOW && counter < 9 ){
 counter++;
 }

if(digitalRead(TASTER_MINUS) == LOW && counter > 0){
 counter--;
 }

Serial.print("counter: ");
 Serial.println(counter);
 delay(200);
 }

if(counter registerWrite(counter, HIGH);
 }

if(counter == 8){

registerWrite(7, LOW);
 digitalWrite(LED_10, LOW);
 digitalWrite(LED_9, HIGH);
 }

if(counter == 9){
 registerWrite(7, LOW);
 digitalWrite(LED_9, LOW);
 digitalWrite(LED_10, HIGH);
 }

if(digitalRead(TASTER_PLUS) == HIGH)
 {
 buttonPlusPressed = false;
 }

if(digitalRead(TASTER_MINUS) == HIGH)
 {
 buttonMinusPressed = false;
 }
 }

void registerWrite(int _whichPin, int _whichState)
 {

byte bitsToSend = 0; // Dieses Byte hat acht Bits also: 00000000

digitalWrite(LATCH_PIN, LOW);
 digitalWrite(LED_9, LOW);
 digitalWrite(LED_10, LOW);

bitWrite(bitsToSend, _whichPin, _whichState); // Hier wird das entsprechende Bit im Byte gesetzt (z.B. 00100000)

shiftOut(DATA_PIN, CLOCK_PIN, MSBFIRST, bitsToSend);

digitalWrite(LATCH_PIN, HIGH);

}

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