25. September 2012
Aufbau
Funktionen
Lampe (Externer Verbraucher) = Wird mit hilfe der Taster und der Anzeige reguliert
+Taster/ -Taster = Tippen: Lichtstärke und Anzeige steigert/verringert sich um 1
Gedrückt halten: Lichtstärke und Anzeige steigert/verringert sich Stufenweise
Anzeige = Füllt/entlehrt sich je nach Taster-Input
const int LATCH_PIN = 8; //Pin zu ST_CP vom 74HC595
const int CLOCK_PIN = 12; //Pin zu SH_CP vom 74HC595
const int DATA_PIN = 11; //Pin zu DS vom 74HC595
const int led9 = 10;
const int led8 = 9;
const int buttonUp = 7;
const int buttonDown = 6;
const int lampenBirne = 3;
int buttonUpState = 0;
int buttonDownState = 0;
boolean loslassenUp = false;
boolean loslassenDown = false;
int i = 0;
long pushTime = 0; // pushTime = Aktuelle millis(); Zeit
int delayTime = 1000;
long letztesMal = 0;
int warteZeit = 250;
void setup()
{
Serial.begin(9600);
pinMode(LATCH_PIN, OUTPUT);
pinMode(CLOCK_PIN, OUTPUT);
pinMode(DATA_PIN, OUTPUT);
pinMode(led9, OUTPUT);
pinMode(led8, OUTPUT);
pinMode(buttonUp, INPUT);
pinMode(buttonDown, INPUT);
pinMode(lampenBirne, OUTPUT);
digitalWrite(led9, LOW);
digitalWrite(led8, LOW);
}
//------------------------------------------------------------------------------------------------
void loop()
{
plusButton();
minuButton();
registerWrite(i, HIGH); // Entsprechende LED anmachen
lampe();
}
//------------------------------------------------------------------------------------------------
void registerWrite(int i, int _whichState)
{
byte bitsToSend = 0; // Dieses Byte hat acht Bits also: 00000000
digitalWrite(LATCH_PIN, LOW);
switch(i) {
case 0:
bitWrite(bitsToSend, 0, _whichState);
break;
case 1:
bitWrite(bitsToSend, 1, _whichState);
bitWrite(bitsToSend, 0, _whichState);
break;
case 2:
bitWrite(bitsToSend, 2, _whichState);
bitWrite(bitsToSend, 1, _whichState);
bitWrite(bitsToSend, 0, _whichState);
break;
case 3:
bitWrite(bitsToSend, 3, _whichState);
bitWrite(bitsToSend, 2, _whichState);
bitWrite(bitsToSend, 1, _whichState);
bitWrite(bitsToSend, 0, _whichState);
break;
case 4:
bitWrite(bitsToSend, 4, _whichState);
bitWrite(bitsToSend, 3, _whichState);
bitWrite(bitsToSend, 2, _whichState);
bitWrite(bitsToSend, 1, _whichState);
bitWrite(bitsToSend, 0, _whichState);
break;
case 5:
bitWrite(bitsToSend, 5, _whichState);
bitWrite(bitsToSend, 4, _whichState);
bitWrite(bitsToSend, 3, _whichState);
bitWrite(bitsToSend, 2, _whichState);
bitWrite(bitsToSend, 1, _whichState);
bitWrite(bitsToSend, 0, _whichState);
break;
case 6:
bitWrite(bitsToSend, 6, _whichState);
bitWrite(bitsToSend, 5, _whichState);
bitWrite(bitsToSend, 4, _whichState);
bitWrite(bitsToSend, 3, _whichState);
bitWrite(bitsToSend, 2, _whichState);
bitWrite(bitsToSend, 1, _whichState);
bitWrite(bitsToSend, 0, _whichState);
break;
case 7:
bitWrite(bitsToSend, 7, _whichState);
bitWrite(bitsToSend, 6, _whichState);
bitWrite(bitsToSend, 5, _whichState);
bitWrite(bitsToSend, 4, _whichState);
bitWrite(bitsToSend, 3, _whichState);
bitWrite(bitsToSend, 2, _whichState);
bitWrite(bitsToSend, 1, _whichState);
bitWrite(bitsToSend, 0, _whichState);
break;
case 8:
bitWrite(bitsToSend, 8, _whichState);
bitWrite(bitsToSend, 7, _whichState);
bitWrite(bitsToSend, 6, _whichState);
bitWrite(bitsToSend, 5, _whichState);
bitWrite(bitsToSend, 4, _whichState);
bitWrite(bitsToSend, 3, _whichState);
bitWrite(bitsToSend, 2, _whichState);
bitWrite(bitsToSend, 1, _whichState);
bitWrite(bitsToSend, 0, _whichState);
break;
case 9:
bitWrite(bitsToSend, 9, _whichState);
bitWrite(bitsToSend, 8, _whichState);
bitWrite(bitsToSend, 7, _whichState);
bitWrite(bitsToSend, 6, _whichState);
bitWrite(bitsToSend, 5, _whichState);
bitWrite(bitsToSend, 4, _whichState);
bitWrite(bitsToSend, 3, _whichState);
bitWrite(bitsToSend, 2, _whichState);
bitWrite(bitsToSend, 1, _whichState);
bitWrite(bitsToSend, 0, _whichState);
break;
default:
break;
}
// basisLicht(bitsToSend, _whichState);
shiftOut(DATA_PIN, CLOCK_PIN, MSBFIRST, bitsToSend);
digitalWrite(LATCH_PIN, HIGH);
if (i == 7){
digitalWrite(led8, LOW);
}
if (i == 8){
digitalWrite(led8, HIGH);
digitalWrite(led9, LOW);
}
if (i == 9){
//digitalWrite(led8, LOW);
digitalWrite(led9, HIGH);
}
}
void plusButton() {
buttonUpState = digitalRead(buttonUp);
if (buttonUpState == LOW){
loslassenUp = true;
}
if (buttonUpState == HIGH && i < 9){
if (loslassenUp == true){
i = i+1;
pushTime = millis();
loslassenUp = false;
}
else{
if (millis()-pushTime > delayTime){
if (millis()-letztesMal > warteZeit){
letztesMal = millis();
i = i+1;
}
}
}
Serial.println("i = i + 1");
}
}
void minuButton() {
buttonDownState = digitalRead(buttonDown);
if (buttonDownState == LOW){
loslassenDown = true;
}
if (buttonDownState == HIGH && i > 0){
if (loslassenDown == true){
i = i-1;
pushTime = millis();
loslassenDown = false;
}
else{
if (millis()-pushTime > delayTime){
if (millis()-letztesMal > warteZeit){
letztesMal = millis();
i =i-1;
}
}
}
Serial.println("i = i + 1");
}
}
void lampe()
{
float lampLichtMax = 255;
float j = lampLichtMax/9 * i;
analogWrite(lampenBirne, j); // Den Wert i an LED_PIN setzen
Serial.print("j = ");
Serial.println(j);
}
