chore: define LED_BUILTIN to allow build

fpistm · fpistm · commit 069842e6feef · 2021-10-29T17:04:44.000+02:00
Signed-off-by: Frederic Pillon &lt;frederic.pillon@st.com&gt;
diff --git a/libraries/RGB_LED_TLC59731/src/RGB_LED_TLC59731.h b/libraries/RGB_LED_TLC59731/src/RGB_LED_TLC59731.h
@@ -15,6 +15,11 @@
 
 #include "Arduino.h"
 
+#ifndef LED_BUILTIN
+  #define LED_BUILTIN PNUM_NOT_DEFINED
+  #warning "LED_BUILTIN is not defined."
+#endif
+
 class RGB_LED_TLC59731 {
 
   public:
