Added the code for changing the duty cycle

Lab6_Task2.c

@@ -58,6 +58,48 @@ void GPIOF_int_config()
     GPIO_PORTF_IM_R |= MASK_BITS;
     }
 
+void GPIOF_INT_Handler(void)
+    {
+    GPIO_PORTF_IM_R &= ~MASK_BITS;
+
+    int i;
+    if(GPIO_PORTF_RIS_R & ~MASK_BITS)
+        {
+        for(i=0;i<160000;i++){}
+            if(~(GPIO_PORTF_DATA_R)&0x01)
+                {
+                STCURRENT = 0;
+                STRELOAD = 1000000*8;
+
+                STCTRL |= (CLKINT | ENABLE);
+                }
+            else
+                {
+                if(STCTRL & COUNT_FLAG)
+                    {
+                    STCTRL = 0;
+                    if(PWM1_2_CMPB_R < 155)
+                        {
+                        PWM1_2_CMPB_R += 5;
+                        }
+                    }
+                else
+                    {
+                    STCTRL = 0;
+
+                    if(PWM1_2_CMPB_R > 5)
+                        {
+                        PWM1_2_CMPB_R -= 5;
+
+                        }
+                    }
+
+                }
+
+        }
+    GPIO_PORTF_ICR_R = MASK_BITS;
+    GPIO_PORTF_IM_R |= MASK_BITS;
+    }