initial

Metro/examples/blinking/blinking.ino

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+/*
+ This code will blink an LED attached to pin 13 on and off. 
+ It will stay on for 0.25 seconds.
+ It will stay off for 1 second.
+ */
+#include <Metro.h> //Include Metro library
+#define LED 13 // Define the led's pin
+
+//Create a variable to hold theled's current state
+int state = HIGH;
+
+// Instanciate a metro object and set the interval to 250 milliseconds (0.25 seconds).
+Metro ledMetro = Metro(250); 
+
+void setup()
+{
+  pinMode(LED,OUTPUT);
+  digitalWrite(LED,state);
+}
+
+void loop()
+{
+
+  if (ledMetro.check() == 1) { // check if the metro has passed its interval .
+    if (state==HIGH)  state=LOW;
+    else state=HIGH;
+    
+    digitalWrite(LED,state);
+  }
+}

Metro/examples/blinking_2_instances/blinking_2_instances.ino

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+// This code will blink output 13 every 250 ms
+// abd will blink output 9 every 125 ms
+
+
+#include <Metro.h> // Include Metro library
+#define LED0 13 // Define a LED pin
+#define LED1 9 // Define another LED pin
+
+// Create variables to hold the LED states
+int state0 = HIGH;
+int state1 = HIGH;
+
+// Instantiate a metro object and set the interval to 250 milliseconds (0.25 seconds).
+Metro metro0 = Metro(250); 
+
+// Instantiate another metro object and set the interval to 125 milliseconds (0.125 seconds).
+Metro metro1 = Metro(125); 
+
+void setup()
+{
+  pinMode(LED0,OUTPUT);
+  digitalWrite(LED0,state0);
+  
+   pinMode(LED1,OUTPUT);
+  digitalWrite(LED1,state1);
+  
+}
+
+void loop()
+{
+
+  if (metro0.check() == 1) { // check if the metro has passed its interval .
+    if (state0==HIGH)  { 
+      state0=LOW;
+    } else {
+      state0=HIGH;
+    }
+    digitalWrite(LED0,state0);
+  }
+  
+   if (metro1.check() == 1) { // check if the metro has passed its interval .
+    if (state1==HIGH)  { 
+      state1=LOW;
+    } else {
+      state1=HIGH;
+    }
+    digitalWrite(LED1,state1);
+  }
+  
+  
+}

Metro/examples/blinking_2_intervals/blinking_2_intervals.ino

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+/*
+ This code will blink an LED attached to pin 13 on and off. 
+ It will stay on for 0.25 seconds.
+ It will stay off for 1 second.
+ */
+#include <Metro.h> //Include Metro library
+#define LED 13 // Define the led's pin
+
+//Create a variable to hold theled's current state
+int state = HIGH;
+
+// Instanciate a metro object and set the interval to 250 milliseconds (0.25 seconds).
+Metro ledMetro = Metro(250); 
+
+void setup()
+{
+  pinMode(LED,OUTPUT);
+  digitalWrite(LED,state);
+}
+
+void loop()
+{
+
+  if (ledMetro.check() == 1) { // check if the metro has passed its interval .
+    if (state==HIGH)  { 
+      state=LOW;
+      ledMetro.interval(250); // if the pin is HIGH, set the interval to 0.25 seconds.
+    } 
+    else {
+      ledMetro.interval(1000); // if the pin is LOW, set the interval to 1 second.
+      state=HIGH;
+    }
+    digitalWrite(LED,state);
+  }
+}
+

Metro/examples/serialInterval/serialInterval.ino

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+// This example sends a Serial message every 250 milliseconds
+
+#include <Metro.h> // Include the Metro library
+
+Metro serialMetro = Metro(250);  // Instantiate an instance
+
+void setup() {
+  Serial.begin(115200); // Start the Serial communication
+}
+
+void loop() {
+
+  if (serialMetro.check() == 1) { // check if the metro has passed it's interval .
+  // Output all the analog readings seperated by a space character
+    for (int i = 0; i < 6; i++ ) {
+      Serial.print (analogRead( i) );
+      Serial.print(32,BYTE);
+    }
+    // Terminate message with a linefeed and a carriage return
+    Serial.print(13,BYTE);
+    Serial.print(10,BYTE);
+  }
+}
+