Initialized PORT E and also added code for LED control

main.c

@@ -67,9 +67,36 @@ void UART0_Write(char data)
     }
 
 
-
+void PortF_Init(void)
-
+    {
-
+
+    SYSCTL_RCGCGPIO_R |= 0x20;       // Enable clock to Port F
+    GPIO_PORTF_LOCK_R = 0x4C4F434B;  // Unlock Port F for commit
+    GPIO_PORTF_CR_R |= 0x0E;         // Allow changes to PF1, PF2, PF3 (RGB LEDs)
+    GPIO_PORTF_DIR_R |= 0x0E;        // Set PF1, PF2, PF3 as outputs
+    GPIO_PORTF_DEN_R |= 0x0E;        // Enable digital on PF1, PF2, PF3
+
+    }
+
+void LED_Control(char receivedChar)
+    {
+
+        switch(receivedChar)
+            {
+                case 'R':
+                    GPIO_PORTF_DATA_R = 0x02;  // Turn on RED LED (PF1)
+                    break;
+                case 'B':
+                    GPIO_PORTF_DATA_R = 0x04;  // Turn on BLUE LED (PF2)
+                    break;
+                case 'G':
+                    GPIO_PORTF_DATA_R = 0x08;  // Turn on GREEN LED (PF3)
+                    break;
+                default:
+                    GPIO_PORTF_DATA_R = 0x00;  // Turn off all LEDs
+                    break;
+            }
+    }