Checked final version.

Labware/Lab9_FunctionalDebugging/main.c

@@ -102,12 +102,15 @@ int main(void){  unsigned long i,last,now;
       GPIO_PORTF_DATA_R &=~0x02;
       GPIO_PORTF_DATA_R &=~0x02;
 		}
 		}
     if(i<50 && changed){
     if(i<50 && changed){
-      changed = false;
-      now = NVIC_ST_CURRENT_R;
-      Time[i] = (last-now)&0x00FFFFFF;  // 24-bit time difference
-      Data[i] = GPIO_PORTF_DATA_R&0x13; // record PF4,1,0
-      last = now;
-      i++;
+        changed = false;
+		now = NVIC_ST_CURRENT_R;
+		Time[i] = (last-now)&0x00FFFFFF;  // 24-bit time difference
+				Data[i] = GPIO_PORTF_DATA_R&0x13; // record PF4,1,0
+				last = now;
+				i++;
+			}
+		if (i==50)
+			i=0;
     }
     }
     Delay();
     Delay();
   }
   }