Clean up CoreMutex and __isFreeRTOS definition (earlephilhower#1312)

earlephilhower · web-flow · commit 71238ccd7425 · 2023-03-16T14:42:28.000-07:00
See earlephilhower#1311 for more info. __isFreeRTOS is C++ linkage and only used in the core proper (all C++).
diff --git a/cores/rp2040/Arduino.h b/cores/rp2040/Arduino.h
@@ -84,13 +84,13 @@ void analogWriteFreq(uint32_t freq);
 void analogWriteRange(uint32_t range);
 void analogWriteResolution(int res);
 
-// FreeRTOS potential calls
-extern bool __isFreeRTOS;
-
 #ifdef __cplusplus
 } // extern "C"
 #endif
 
+// FreeRTOS potential calls
+extern bool __isFreeRTOS;
+
 // Ancient AVR defines
 #define HAVE_HWSERIAL0
 #define HAVE_HWSERIAL1
diff --git a/cores/rp2040/CoreMutex.h b/cores/rp2040/CoreMutex.h
@@ -43,5 +43,5 @@ class CoreMutex {
 private:
     mutex_t *_mutex;
     bool _acquired;
-    u_int8_t _option;
+    uint8_t _option;
 };
