unittests: fix windows build

 - set equeue platform to posix for MINGW
 - enable PRIx formatting globally
 - remove redundant Semaphore implementation

Author: maciejbocianski

UNITTESTS/CMakeLists.txt

@@ -19,6 +19,13 @@ endmacro()
 
 use_cxx14()
 
+
+if (MINGW)
+  # enable PRIx formatting globally
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D__STDC_FORMAT_MACROS")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D__STDC_FORMAT_MACROS")
+endif (MINGW)
+
 ####################
 # GTEST
 ####################

UNITTESTS/target_h/rtos/Semaphore.h

@@ -23,13 +23,13 @@
 namespace rtos {
 class Semaphore  {
 public:
-    Semaphore(int32_t count = 0) {};
-    Semaphore(int32_t count, uint16_t max_count) {};
-    void acquire() {};
-    bool try_acquire() { return false; };
-    bool try_acquire_for(uint32_t millisec) { return false; };
-    bool try_acquire_until(uint64_t millisec) { return false; };
-    osStatus release(void) {return 0;};
+    Semaphore(int32_t count = 0);
+    Semaphore(int32_t count, uint16_t max_count);
+    void acquire();
+    bool try_acquire();
+    bool try_acquire_for(uint32_t millisec);
+    bool try_acquire_until(uint64_t millisec);
+    osStatus release(void);
 };
 }
 

events/internal/equeue_platform.h

@@ -35,7 +35,7 @@ extern "C" {
 // Try to infer a platform if none was manually selected
 #if !defined(EQUEUE_PLATFORM_POSIX)     \
  && !defined(EQUEUE_PLATFORM_MBED)
-#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
+#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) || defined(__MINGW32__) || defined(__MINGW64__)
 #define EQUEUE_PLATFORM_POSIX
 #elif defined(__MBED__)
 #define EQUEUE_PLATFORM_MBED