- FIX: ensure blinkTimerControl is not NULL in serialEvent()

dniklaus · dniklaus · commit 2b91948e99f9 · 2014-07-10T01:32:42.000+02:00
diff --git a/src/arduino_blink.cpp b/src/arduino_blink.cpp
@@ -43,13 +43,16 @@ void serialEvent()
   {
     // get the new byte:
     char inChar = (char)Serial.read();
-    if ('d' == inChar)
-    {
-      blinkTimerControl->decrementBlinkTime();
-    }
-    else if ('i' == inChar)
+    if (0 != blinkTimerControl)
     {
-      blinkTimerControl->incrementBlinkTime();
+      if ('d' == inChar)
+      {
+        blinkTimerControl->decrementBlinkTime();
+      }
+      else if ('i' == inChar)
+      {
+        blinkTimerControl->incrementBlinkTime();
+      }
     }
   }
 }

Original file line number	Diff line number	Diff line change
`@@ -43,13 +43,16 @@ void serialEvent()`
`43`	`43`	`{`
`44`	`44`	`// get the new byte:`
`45`	`45`	`char inChar = (char)Serial.read();`
`46`		`- if ('d' == inChar)`
`47`		`- {`
`48`		`- blinkTimerControl->decrementBlinkTime();`
`49`		`- }`
`50`		`- else if ('i' == inChar)`
	`46`	`+ if (0 != blinkTimerControl)`
`51`	`47`	`{`
`52`		`- blinkTimerControl->incrementBlinkTime();`
	`48`	`+ if ('d' == inChar)`
	`49`	`+ {`
	`50`	`+ blinkTimerControl->decrementBlinkTime();`
	`51`	`+ }`
	`52`	`+ else if ('i' == inChar)`
	`53`	`+ {`
	`54`	`+ blinkTimerControl->incrementBlinkTime();`
	`55`	`+ }`
`53`	`56`	`}`
`54`	`57`	`}`
`55`	`58`	`}`