project F:Arduino/Movement AirPressure

Revision as of 11:05, 21 December 2011 (view source) Katja (Talk | contribs) ← Older edit		Latest revision as of 11:09, 21 December 2011 (view source) Katja (Talk | contribs)
Line 6:		Line 6:
	void setup() {		void setup() {
	Serial.begin(9600);		Serial.begin(9600);
−	// declare pin 9 (PVM) to be an output:	+
	pinMode(10, OUTPUT);  // air IN, more air		pinMode(10, OUTPUT);  // air IN, more air
	pinMode(11, OUTPUT);  // air OUT		pinMode(11, OUTPUT);  // air OUT
Line 17:		Line 17:
	int sensorValue1 = analogRead(A1);		int sensorValue1 = analogRead(A1);
		+	// check the movement sensor
	if (sensorValue1 >= 400 ) {		if (sensorValue1 >= 400 ) {
	isMovement = 1;		isMovement = 1;
Line 28:		Line 29:
	Serial.print(" ");		Serial.print(" ");
−	if (isMovement == 1 && airPressure < pressureMax) { // movement	+	// movement found, and pressure not too high -> add more pressure
−	airPressure += 10; //lisää painetta	+	if (isMovement == 1 && airPressure < pressureMax) {
		+	airPressure += 10;
	digitalWrite(10, HIGH);		digitalWrite(10, HIGH);
	digitalWrite(11, LOW);		digitalWrite(11, LOW);
Line 35:		Line 37:
	Serial.print(" Blow ");		Serial.print(" Blow ");
	}		}
		+
		+	// no movement, and pressure higher that minimum -> let air out
	else if (isMovement == 0 && airPressure > pressureMin) { // no movement		else if (isMovement == 0 && airPressure > pressureMin) { // no movement
	airPressure = airPressure - 1; //vähennä painetta		airPressure = airPressure - 1; //vähennä painetta
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	Serial.print(" Suck ");		Serial.print(" Suck ");
	}		}
		+
		+	// otherwise close the valves, wait
	else {		else {
	digitalWrite(10, LOW);		digitalWrite(10, LOW);

---

Latest revision as of 11:09, 21 December 2011

int airPressure = 1;
int pressureMin = 5;       
int pressureMax = 255;          

void setup() {
  Serial.begin(9600);

  pinMode(10, OUTPUT);   // air IN, more air
  pinMode(11, OUTPUT);   // air OUT
  pinMode(9, OUTPUT);    // airPressure
  pinMode(1, INPUT);     // movement
}

void loop() {
 boolean isMovement = 0;
 int sensorValue1 = analogRead(A1); 

 // check the movement sensor
 if (sensorValue1 >= 400 ) {
   isMovement = 1;
 }
 else {
   isMovement = 0;
 } 
   Serial.print(isMovement); 
   Serial.print(" "); 
   Serial.print(airPressure); 
   Serial.print(" "); 
 
 // movement found, and pressure not too high -> add more pressure
 if (isMovement == 1 && airPressure < pressureMax) {
   airPressure += 10;
   digitalWrite(10, HIGH);
   digitalWrite(11, LOW);
   delay(200);
   Serial.print(" Blow "); 
 }

 // no movement, and pressure higher that minimum -> let air out
 else if (isMovement == 0 && airPressure > pressureMin) { // no movement
   airPressure = airPressure - 1; //vähennä painetta
   digitalWrite(11, HIGH);
   digitalWrite(10, LOW);
   delay(50);
   Serial.print(" Suck "); 
 }

 // otherwise close the valves, wait
 else {
   digitalWrite(10, LOW);
   digitalWrite(11, LOW);
   delay(20);
   Serial.print(" Wait "); 
 }  
 
  airPressure = constrain(airPressure, pressureMin, pressureMax);
  analogWrite(9, airPressure);
  Serial.println(airPressure); 
}