Update macro for detecting this core in contributing docs (#1436)

earlephilhower · web-flow · commit 6e52b72523b1 · 2023-05-11T09:45:34.000-07:00
diff --git a/docs/contrib.rst b/docs/contrib.rst
@@ -84,7 +84,7 @@ code that only runs on this core, use the following define.
 
 .. code:: cpp
 
-        #if defined(ARDUINO_ARCH_RP2040)
+        #if defined(ARDUINO_ARCH_RP2040) && !defined(__MBED__)
         ~~~ your changes ~~~
         #endif
 
