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Committing individual examples instead of one .zip

This commit is contained in:
David A. Mellis
2006-04-26 11:09:43 +00:00
parent 9dbfe53224
commit 260c5d5ee1
39 changed files with 2057 additions and 16 deletions

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/* Accelerometer Sensor
* --------------------
*
* Reads an 2-D accelerometer
* attached to a couple of digital inputs and
* sends their values over the serial port; makes
* the monitor LED blink once sent
*
*
* http://www.0j0.org
* copyleft 2005 K3 - Malmo University - Sweden
* @author: Marcos Yarza
* @hardware: Marcos Yarza
* @project: SMEE - Experiential Vehicles
* @sponsor: Experiments in Art and Technology Sweden, 1:1 Scale
*/
int ledPin = 13;
int xaccPin = 7;
int yaccPin = 6;
int value = 0;
int accel = 0;
char sign = ' ';
int timer = 0;
int count = 0;
void setup() {
Serial.begin(9600); // Sets the baud rate to 9600
pinMode(ledPin, OUTPUT);
pinMode(xaccPin, INPUT);
pinMode(yaccPin, INPUT);
}
/* (int) Operate Acceleration
* function to calculate acceleration
* returns an integer
*/
int operateAcceleration(int time1) {
return abs(8 * (time1 / 10 - 500));
}
/* (void) readAccelerometer
* procedure to read the sensor, calculate
* acceleration and represent the value
*/
void readAcceleration(int axe){
timer = 0;
count = 0;
value = digitalRead(axe);
while(value == HIGH) { // Loop until pin reads a low
value = digitalRead(axe);
}
while(value == LOW) { // Loop until pin reads a high
value = digitalRead(axe);
}
while(value == HIGH) { // Loop until pin reads a low and count
value = digitalRead(axe);
count = count + 1;
}
timer = count * 18; //calculate the teme in miliseconds
//operate sign
if (timer > 5000){
sign = '+';
}
if (timer < 5000){
sign = '-';
}
//determine the value
accel = operateAcceleration(timer);
//Represent acceleration over serial port
if (axe == xaccPin){
Serial.print('X');
} else {
Serial.print('Y');
}
Serial.print(sign);
Serial.print(accel);
Serial.println();
}
void loop() {
readAcceleration(xaccPin); //reads and represents acceleration X
readAcceleration(yaccPin); //reads and represents acceleration Y
digitalWrite(ledPin, HIGH);
delay(300);
digitalWrite(ledPin, LOW);
}

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/* Ultrasound Sensor
* -----------------
*
* Reads values (00014-01199) from an ultrasound sensor (3m sensor)
* and writes the values to the serialport. The sensor is the
* so-called PING sensor from Parallax/Devantech.
*
* http://www.xlab.se | http://www.0j0.org
* copyleft 2005 Mackie for XLAB | DojoDave for DojoCorp
*
*/
int ultraSoundSignal = 8; // Ultrasound signal pin
int val = 0;
int ultrasoundValue = 0;
int timecount = 0; // Echo counter
int ledPin = 13; // LED connected to digital pin 13
void setup() {
Serial.begin(9600); // Sets the baud rate to 9600
pinMode(ledPin, OUTPUT); // Sets the digital pin as output
}
void loop() {
timecount = 0;
val = 0;
pinMode(ultraSoundSignal, OUTPUT); // Switch signalpin to output
/* Send low-high-low pulse to activate the trigger pulse of the sensor
* -------------------------------------------------------------------
*/
digitalWrite(ultraSoundSignal, LOW); // Send low pulse
delayMicroseconds(2); // Wait for 2 microseconds
digitalWrite(ultraSoundSignal, HIGH); // Send high pulse
delayMicroseconds(5); // Wait for 5 microseconds
digitalWrite(ultraSoundSignal, LOW); // Holdoff
/* Listening for echo pulse
* -------------------------------------------------------------------
*/
pinMode(ultraSoundSignal, INPUT); // Switch signalpin to input
val = digitalRead(ultraSoundSignal); // Append signal value to val
while(val == LOW) { // Loop until pin reads a high value
val = digitalRead(ultraSoundSignal);
}
while(val == HIGH) { // Loop until pin reads a high value
val = digitalRead(ultraSoundSignal);
timecount = timecount +1; // Count echo pulse time
}
/* Writing out values to the serial port
* -------------------------------------------------------------------
*/
ultrasoundValue = timecount; // Append echo pulse time to ultrasoundValue
Serial.print('A'); // Example identifier for the sensor
Serial.print(ultrasoundValue);
Serial.println();
/* Lite up LED if any value is passed by the echo pulse
* -------------------------------------------------------------------
*/
if(timecount > 0){
digitalWrite(ledPin, HIGH);
}
/* Delay of program
* -------------------------------------------------------------------
*/
delay(100);
}