modes

main.c

@@ -20,6 +20,7 @@
 
 #define MAIN_LOOP_SLEEP 10U                 // Main loop delay in ms
 #define BUTTON_LONG_PRESS_DURATION_MS 1000U // Long press threshold
+#define BUTTON_SHORT_PRESS_DURATION_MS 100U // Short press threshold
 #define BUTTON_IGNORE_DURATION_MS 2000U     // Time button ignored after long press
 #define BUTTON_CONFIRMATION_BLINK_LOOPS 10U // Blink animation for confirmation
 #define BUTTON_CONFIRMATION_BLINK_DURATION_MS 50U
@@ -27,11 +28,21 @@
 /** Convert milliseconds to system ticks */
 #define MS_TO_TICKS(ms) ((ms) / MAIN_LOOP_SLEEP)
 
+typedef enum _Mode
+{
+    ANIMATION,
+    STATIC_GLOW,
+    STATIC_FULL,
+    MAX_COUNT,
+} eMode;
+
 /** Global flags */
 volatile bool bLedEnabled = true;
-volatile bool bBtnPressed = false;
+volatile bool bBtnLongPressed = false;
+volatile eMode eModeCurrent = ANIMATION;
 
 // Forward declarations
+static inline void toggleMode(void);
 void blinkLed(bool resetCounters);
 static inline void leds_off(void);
 static inline void leds_on(void);
@@ -57,13 +68,14 @@ int main(void)
     battery_level_indicator(); // TODO: Implement
 
     bool bLedEnabledOld = bLedEnabled;
+    eModeCurrent = ANIMATION;
 
     while (true)
     {
         handleSwitch(); // Check switch state
 
         // Light LEDs while button is pressed
-        if (bBtnPressed)
+        if (bBtnLongPressed)
         {
             leds_on();
         }
@@ -101,9 +113,22 @@ int main(void)
         }
         else
         {
-            if (bLedEnabled && !bBtnPressed)
+            if (bLedEnabled && !bBtnLongPressed)
             {
+                switch (eModeCurrent)
+                {
+                case ANIMATION:
                     blinkLed(false); // run normal blink
+                    break;
+                case STATIC_GLOW:
+                    blinkLed(false); // run normal blink
+                    break;
+                case STATIC_FULL:
+                    blinkLed(false); // run normal blink
+                    break;
+                default:
+                    break;
+                }
             }
         }
 
@@ -111,6 +136,14 @@ int main(void)
     }
 }
 
+/**
+ * @brief Move to next mode
+ */
+static inline void toggleMode(void)
+{
+    eModeCurrent = (eModeCurrent + 1) % MAX_COUNT;
+}
+
 /**
  * @brief Turn off all controlled LEDs (PA1, PA2, PA3)
  */
@@ -150,16 +183,21 @@ static void handleSwitch(void)
 
     if (pressed)
     {
-        bBtnPressed = true;
+        bBtnLongPressed = true;
         if (pressTicks < 0xFFFF)
             pressTicks++; // Prevent overflow
     }
     else
     {
-        bBtnPressed = false;
+        bBtnLongPressed = false;
         pressTicks = 0;
     }
 
+    if (prevPressed && pressTicks >= MS_TO_TICKS(BUTTON_SHORT_PRESS_DURATION_MS))
+    {
+        toggleMode();
+    }
+
     if (prevPressed && pressTicks >= MS_TO_TICKS(BUTTON_LONG_PRESS_DURATION_MS))
     {
         bLedEnabled = !bLedEnabled; // Toggle LED blinking