working led blinking properly well

mbed_ledky2/main.cpp

@@ -1,45 +1,50 @@
 // main.cpp
-
 #include "mbed.h"
 
-
-// Blinking rate in milliseconds
-#define BLINKING_RATE     500ms
-
 DigitalOut led1(LED1);
 DigitalOut led2(LED2);
 DigitalOut led3(LED3);
 DigitalIn  button(PC_13);
 
-void set_led_pattern(int pattern) {
-    switch (pattern) {
-        case 0:
-            led1 = 1; led2 = 0; led3 = 0;
-            break;
-        case 1:
-            led1 = 0; led2 = 1; led3 = 0;
-            break;
-        case 2:
-            led1 = 0; led2 = 0; led3 = 1;
-            break;
+int another_press(int press_num) {
+    press_num += 1;
+    if (press_num >= 8) {
+        press_num = 0;
+    };
+
+    return press_num;
+}
+
+void set_led(int number) {
+    if ((number & 1) == 1){
+        led1 = 1;
+    }
+    else if ((number & 2) == 2){
+        led2 = 1;
+    }
+    else if ((number & 3) == 4){
+        led3 = 1;
     }
 }
 
 int main()
 {
-    int pattern = 0;
-    set_led_pattern(pattern);
 
+    int num_presses = 0;
     while (true) {
-        if (button == 0){
-            pattern = (pattern + 1) % 3;
-            set_led_pattern(pattern);
+        led1 = 0;
+        led2 = 0;
+        led3 = 0;
 
-            while (button == 0) {
-                ThisThread::sleep_for(10ms);
-            }
+        if (button == 0) {
+          num_presses = another_press(num_presses);
+          set_led(num_presses);
 
-            ThisThread::sleep_for(150ms);
+          while (button == 0) {
+            ThisThread::sleep_for(10ms);
+          }
         }
+
+        ThisThread::sleep_for(150ms);
     }
 }