Diff: main.cpp

Revision:

0:55150494d6db

Child:

1:83391eec9fef

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Aug 10 00:05:27 2015 +0000
@@ -0,0 +1,67 @@
+#include "mbed.h"
+
+DigitalOut led_red(LED_RED);
+DigitalOut led_green(LED_GREEN);
+DigitalOut led_blue(LED_BLUE);
+DigitalIn sw2(SW2);
+DigitalIn sw3(SW3);
+Serial pc(USBTX, USBRX);
+
+int check_sw2(int choice)
+{
+    if(sw2 == 0)
+    {
+        pc.printf("SW2 button pressed. \n");
+        switch(choice)
+        {
+            case 0:
+                led_red = 0;
+                led_green = 1;
+                break;
+            case 1:
+                led_red = 1;
+                led_green = 0;
+                 break;
+            case 2:
+                led_red = 0;
+                led_green = 0;
+                break;
+            case 3:
+                led_red = 1;
+                led_green = 1;
+                break;
+        }
+        choice++;
+        if(choice > 3) choice = 0;
+    }
+    return choice;
+}
+
+void check_sw3(DigitalOut led_status)
+{
+    if(sw3 == 0) 
+    {
+        pc.printf("SW3 button pressed. \n");
+        if(led_status) led_blue = 0;
+        else led_blue = 1;
+    }
+}
+
+int main()
+{
+    int choice = 0;
+    
+    led_green = 1;
+    led_red = 1;
+    led_blue = 1;
+ 
+    pc.baud(115200);
+    pc.printf("Hello World from FRDM-K64F board.\n");
+
+    while(true)
+    {
+        choice = check_sw2(choice);
+        check_sw3(led_blue);
+        wait(0.3);       
+    }
+}