Diff: main.cpp

Revision:

0:d3e390d62607

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed May 27 11:37:29 2020 +0000
@@ -0,0 +1,44 @@
+#include "mbed.h"
+
+DigitalOut myled1(LED1);
+DigitalOut myled2(LED2);
+DigitalOut myled3(LED3);
+DigitalOut myled4(LED4);
+
+InterruptIn mybutton(USER_BUTTON);
+
+double tempo = 0.3; // LED blinking delay
+
+// Change LEDs blinking frequency
+void change_blinking_frequency() {
+    if (tempo == 0.3) // If leds have low frequency
+        tempo = 0.1;  // Set the fast frequency
+    else              // If leds have fast frequency
+        tempo = 0.3;  // Set the low frequency
+}
+
+int main() {
+    // All LEDs are OFF
+    myled1 = 0;
+    myled2 = 0;
+    myled3 = 0;
+    myled4 = 0;
+
+    // Change LEDs blinking frequency when button is pressed
+    mybutton.fall(&change_blinking_frequency);
+
+    while(1) {
+        myled2 = 1;   // LED2 is ON
+        wait(tempo);  // wait tempo
+        myled2 = 0;   // LED2 is OFF
+        myled1 = 1;   // LED1 is ON
+        wait(tempo);  // wait tempo
+        myled1 = 0;   // LED1 is OFF
+        myled3 = 1;   // LED3 is ON
+        wait(tempo);  // wait tempo
+        myled3 = 0;   // LED3 is OFF
+        myled4 = 1;   // LED4 is ON
+        wait(tempo);  // wait tempo
+        myled4 = 0;   // LED4 is OFF
+    }
+}