Diff: main.cpp

Revision:

0:0614a4add2d3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Nov 24 12:03:56 2013 +0000
@@ -0,0 +1,115 @@
+#include "mbed.h"
+
+InterruptIn event(D0);
+
+DigitalOut greenLED(LED_GREEN);
+DigitalOut redLED(LED_RED);
+DigitalOut blueLED(LED_BLUE);
+
+DigitalIn button(D0);
+
+Ticker timer;
+Ticker timerGreen;
+Ticker timerBlue;
+
+
+void trigger_alt1() {
+     // add code to blink the LED
+     redLED = 0;
+}
+
+static void experiment1_alt1()
+{
+    redLED = greenLED = blueLED = 1;  // Turn LEDs off
+    
+    // Register the handler for falling edges
+    event.mode(PullUp);
+    event.fall(&trigger_alt1);
+    while(1) {
+        //redLED = 1;
+    }
+}
+
+void trigger_alt2() {
+    greenLED = 0;
+    while (!button) {
+    }
+    greenLED = 1;
+}
+ 
+static void experiment1_alt2()
+{
+    // Register the handler for falling edges
+    event.mode(PullUp);
+    event.fall(&trigger_alt2);
+ 
+    // Turn LEDs off
+    greenLED = 1;
+    redLED = 1;
+    blueLED = 1;
+    
+    while(1) {
+        redLED = !redLED;
+        wait(0.1);
+    }
+}
+
+
+static void ticker_event() 
+{
+    static bool on = false;
+    on = !on;
+    
+    // add code to blink the LED
+    redLED = (on ? 0 : 1);
+}
+ 
+static void experiment2_alt1()
+{
+    redLED = greenLED = blueLED = 1;  // Turn LEDs off
+    
+    // Request the timer function to be called every 5 seconds
+    timer.attach(&ticker_event, 5);
+    while(1) {
+        ;
+    }
+}
+
+static void ticker_event_green() 
+{
+    static bool on = false;
+    on = !on;
+    
+    // add code to blink the LED
+    greenLED = (on ? 0 : 1);
+}
+static void ticker_event_blue() 
+{
+    static bool on = true;
+    on = !on;
+    
+    // add code to blink the LED
+    blueLED = (on ? 0 : 1);
+}
+static void experiment2_alt2()
+{
+    redLED = greenLED = blueLED = 1;  // Turn LEDs off
+    
+    // Create one timer for each color. If the same timer is used then only
+    // the last call to attach will work (previous calls are overwritten)
+    timer.attach(&ticker_event, 0.4);
+    timerGreen.attach(&ticker_event_green, 0.2);
+    timerBlue.attach(&ticker_event_blue, 0.1);
+    while(1) {
+        ;
+    }
+}
+
+
+int main()
+{
+    //experiment1_alt1(); //simple trigger
+    //experiment1_alt2(); //trigger which takes time to complete
+    //experiment2_alt1(); //blinks the RED led every 5 seconds
+    experiment2_alt2(); //blinks all three components of the RGB LED
+}
\ No newline at end of file