fixed crlf for project
This commit is contained in:
@@ -1,74 +1,74 @@
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// ---------------------------------------------------------------------------
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// This example code was used to successfully communicate with 15 ultrasonic sensors. You can adjust
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// the number of sensors in your project by changing SONAR_NUM and the number of NewPing objects in the
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// "sonar" array. You also need to change the pins for each sensor for the NewPing objects. Each sensor
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// is pinged at 33ms intervals. So, one cycle of all sensors takes 495ms (33 * 15 = 495ms). The results
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// are sent to the "oneSensorCycle" function which currently just displays the distance data. Your project
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// would normally process the sensor results in this function (for example, decide if a robot needs to
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// turn and call the turn function). Keep in mind this example is event-driven. Your complete sketch needs
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// to be written so there's no "delay" commands and the loop() cycles at faster than a 33ms rate. If other
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// processes take longer than 33ms, you'll need to increase PING_INTERVAL so it doesn't get behind.
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// ---------------------------------------------------------------------------
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#include <NewPing.h>
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#define SONAR_NUM 15 // Number or sensors.
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#define MAX_DISTANCE 200 // Maximum distance (in cm) to ping.
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#define PING_INTERVAL 33 // Milliseconds between sensor pings (29ms is about the min to avoid cross-sensor echo).
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unsigned long pingTimer[SONAR_NUM]; // Holds the times when the next ping should happen for each sensor.
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unsigned int cm[SONAR_NUM]; // Where the ping distances are stored.
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uint8_t currentSensor = 0; // Keeps track of which sensor is active.
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NewPing sonar[SONAR_NUM] = { // Sensor object array.
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NewPing(41, 42, MAX_DISTANCE), // Each sensor's trigger pin, echo pin, and max distance to ping.
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NewPing(43, 44, MAX_DISTANCE),
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NewPing(45, 20, MAX_DISTANCE),
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NewPing(21, 22, MAX_DISTANCE),
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NewPing(23, 24, MAX_DISTANCE),
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NewPing(25, 26, MAX_DISTANCE),
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NewPing(27, 28, MAX_DISTANCE),
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NewPing(29, 30, MAX_DISTANCE),
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NewPing(31, 32, MAX_DISTANCE),
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NewPing(34, 33, MAX_DISTANCE),
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NewPing(35, 36, MAX_DISTANCE),
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NewPing(37, 38, MAX_DISTANCE),
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NewPing(39, 40, MAX_DISTANCE),
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NewPing(50, 51, MAX_DISTANCE),
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NewPing(52, 53, MAX_DISTANCE)
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};
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void setup() {
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Serial.begin(115200);
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pingTimer[0] = millis() + 75; // First ping starts at 75ms, gives time for the Arduino to chill before starting.
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for (uint8_t i = 1; i < SONAR_NUM; i++) // Set the starting time for each sensor.
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pingTimer[i] = pingTimer[i - 1] + PING_INTERVAL;
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}
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void loop() {
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for (uint8_t i = 0; i < SONAR_NUM; i++) { // Loop through all the sensors.
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if (millis() >= pingTimer[i]) { // Is it this sensor's time to ping?
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pingTimer[i] += PING_INTERVAL * SONAR_NUM; // Set next time this sensor will be pinged.
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if (i == 0 && currentSensor == SONAR_NUM - 1) oneSensorCycle(); // Sensor ping cycle complete, do something with the results.
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sonar[currentSensor].timer_stop(); // Make sure previous timer is canceled before starting a new ping (insurance).
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currentSensor = i; // Sensor being accessed.
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cm[currentSensor] = 0; // Make distance zero in case there's no ping echo for this sensor.
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sonar[currentSensor].ping_timer(echoCheck); // Do the ping (processing continues, interrupt will call echoCheck to look for echo).
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}
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}
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// The rest of your code would go here.
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}
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void echoCheck() { // If ping received, set the sensor distance to array.
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if (sonar[currentSensor].check_timer())
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cm[currentSensor] = sonar[currentSensor].ping_result / US_ROUNDTRIP_CM;
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}
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void oneSensorCycle() { // Sensor ping cycle complete, do something with the results.
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for (uint8_t i = 0; i < SONAR_NUM; i++) {
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Serial.print(i);
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Serial.print("=");
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Serial.print(cm[i]);
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Serial.print("cm ");
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}
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Serial.println();
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// ---------------------------------------------------------------------------
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// This example code was used to successfully communicate with 15 ultrasonic sensors. You can adjust
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// the number of sensors in your project by changing SONAR_NUM and the number of NewPing objects in the
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// "sonar" array. You also need to change the pins for each sensor for the NewPing objects. Each sensor
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// is pinged at 33ms intervals. So, one cycle of all sensors takes 495ms (33 * 15 = 495ms). The results
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// are sent to the "oneSensorCycle" function which currently just displays the distance data. Your project
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// would normally process the sensor results in this function (for example, decide if a robot needs to
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// turn and call the turn function). Keep in mind this example is event-driven. Your complete sketch needs
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// to be written so there's no "delay" commands and the loop() cycles at faster than a 33ms rate. If other
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// processes take longer than 33ms, you'll need to increase PING_INTERVAL so it doesn't get behind.
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// ---------------------------------------------------------------------------
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#include <NewPing.h>
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#define SONAR_NUM 15 // Number or sensors.
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#define MAX_DISTANCE 200 // Maximum distance (in cm) to ping.
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#define PING_INTERVAL 33 // Milliseconds between sensor pings (29ms is about the min to avoid cross-sensor echo).
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unsigned long pingTimer[SONAR_NUM]; // Holds the times when the next ping should happen for each sensor.
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unsigned int cm[SONAR_NUM]; // Where the ping distances are stored.
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uint8_t currentSensor = 0; // Keeps track of which sensor is active.
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NewPing sonar[SONAR_NUM] = { // Sensor object array.
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NewPing(41, 42, MAX_DISTANCE), // Each sensor's trigger pin, echo pin, and max distance to ping.
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NewPing(43, 44, MAX_DISTANCE),
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NewPing(45, 20, MAX_DISTANCE),
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NewPing(21, 22, MAX_DISTANCE),
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NewPing(23, 24, MAX_DISTANCE),
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NewPing(25, 26, MAX_DISTANCE),
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NewPing(27, 28, MAX_DISTANCE),
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NewPing(29, 30, MAX_DISTANCE),
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NewPing(31, 32, MAX_DISTANCE),
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NewPing(34, 33, MAX_DISTANCE),
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NewPing(35, 36, MAX_DISTANCE),
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NewPing(37, 38, MAX_DISTANCE),
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NewPing(39, 40, MAX_DISTANCE),
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NewPing(50, 51, MAX_DISTANCE),
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NewPing(52, 53, MAX_DISTANCE)
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};
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void setup() {
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Serial.begin(115200);
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pingTimer[0] = millis() + 75; // First ping starts at 75ms, gives time for the Arduino to chill before starting.
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for (uint8_t i = 1; i < SONAR_NUM; i++) // Set the starting time for each sensor.
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pingTimer[i] = pingTimer[i - 1] + PING_INTERVAL;
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}
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void loop() {
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for (uint8_t i = 0; i < SONAR_NUM; i++) { // Loop through all the sensors.
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if (millis() >= pingTimer[i]) { // Is it this sensor's time to ping?
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pingTimer[i] += PING_INTERVAL * SONAR_NUM; // Set next time this sensor will be pinged.
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if (i == 0 && currentSensor == SONAR_NUM - 1) oneSensorCycle(); // Sensor ping cycle complete, do something with the results.
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sonar[currentSensor].timer_stop(); // Make sure previous timer is canceled before starting a new ping (insurance).
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currentSensor = i; // Sensor being accessed.
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cm[currentSensor] = 0; // Make distance zero in case there's no ping echo for this sensor.
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sonar[currentSensor].ping_timer(echoCheck); // Do the ping (processing continues, interrupt will call echoCheck to look for echo).
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}
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}
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// The rest of your code would go here.
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}
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void echoCheck() { // If ping received, set the sensor distance to array.
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if (sonar[currentSensor].check_timer())
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cm[currentSensor] = sonar[currentSensor].ping_result / US_ROUNDTRIP_CM;
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}
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void oneSensorCycle() { // Sensor ping cycle complete, do something with the results.
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for (uint8_t i = 0; i < SONAR_NUM; i++) {
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Serial.print(i);
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Serial.print("=");
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Serial.print(cm[i]);
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Serial.print("cm ");
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}
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Serial.println();
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}
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@@ -20,4 +20,4 @@ void loop() {
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Serial.print("Ping: ");
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Serial.print(uS / US_ROUNDTRIP_CM); // Convert ping time to distance in cm and print result (0 = outside set distance range)
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Serial.println("cm");
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}
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}
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@@ -1,25 +1,25 @@
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// ---------------------------------------------------------------------------
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// While the NewPing library's primary goal is to interface with ultrasonic sensors, interfacing with
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// the Timer2 interrupt was a result of creating an interrupt-based ping method. Since these Timer2
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// interrupt methods were built, the library may as well provide the functionality to use these methods
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// in your sketches. This shows how simple it is (no ultrasonic sensor required). Keep in mind that
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// these methods use Timer2, as does NewPing's ping_timer method for using ultrasonic sensors. You
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// can't use ping_timer at the same time you're using timer_ms or timer_us as all use the same timer.
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// ---------------------------------------------------------------------------
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#include <NewPing.h>
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#define LED_PIN 13 // Pin with LED attached.
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void setup() {
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pinMode(LED_PIN, OUTPUT);
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NewPing::timer_ms(500, toggleLED); // Create a Timer2 interrupt that calls toggleLED in your sketch once every 500 milliseconds.
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}
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void loop() {
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// Do anything here, the Timer2 interrupt will take care of the flashing LED without your intervention.
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}
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void toggleLED() {
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digitalWrite(LED_PIN, !digitalRead(LED_PIN)); // Toggle the LED.
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// ---------------------------------------------------------------------------
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// While the NewPing library's primary goal is to interface with ultrasonic sensors, interfacing with
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// the Timer2 interrupt was a result of creating an interrupt-based ping method. Since these Timer2
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// interrupt methods were built, the library may as well provide the functionality to use these methods
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// in your sketches. This shows how simple it is (no ultrasonic sensor required). Keep in mind that
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// these methods use Timer2, as does NewPing's ping_timer method for using ultrasonic sensors. You
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// can't use ping_timer at the same time you're using timer_ms or timer_us as all use the same timer.
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// ---------------------------------------------------------------------------
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#include <NewPing.h>
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#define LED_PIN 13 // Pin with LED attached.
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void setup() {
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pinMode(LED_PIN, OUTPUT);
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NewPing::timer_ms(500, toggleLED); // Create a Timer2 interrupt that calls toggleLED in your sketch once every 500 milliseconds.
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}
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void loop() {
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// Do anything here, the Timer2 interrupt will take care of the flashing LED without your intervention.
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}
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void toggleLED() {
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digitalWrite(LED_PIN, !digitalRead(LED_PIN)); // Toggle the LED.
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}
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