Initial commit

external/CMSIS_5/CMSIS/RTOS2/RTX/Template/Mutex.c

@@ -0,0 +1,52 @@
+#include "cmsis_os2.h"                          // CMSIS RTOS header file
+ 
+/*----------------------------------------------------------------------------
+ *      Mutex creation & usage
+ *---------------------------------------------------------------------------*/
+ 
+osMutexId_t mid_Mutex;                          // mutex id
+ 
+osThreadId_t tid_Thread_Mutex;                  // thread id
+ 
+void Thread_Mutex (void *argument);             // thread function
+ 
+int Init_Mutex (void) {
+ 
+  mid_Mutex = osMutexNew(NULL);
+  if (mid_Mutex == NULL) {
+    ; // Mutex object not created, handle failure
+  }
+ 
+  tid_Thread_Mutex = osThreadNew(Thread_Mutex, NULL, NULL);
+  if (tid_Thread_Mutex == NULL) {
+    return(-1);
+  }
+ 
+  return(0);
+}
+ 
+void Thread_Mutex (void *argument) {
+  osStatus_t status;
+ 
+  while (1) {
+    ; // Insert thread code here...
+ 
+    status = osMutexAcquire(mid_Mutex, 0U);
+    switch (status) {
+      case osOK:
+        ; // Use protected code here...
+        osMutexRelease(mid_Mutex);
+        break;
+      case osErrorResource:
+        break;
+      case osErrorParameter:
+        break;
+      case osErrorISR:
+        break;
+      default:
+        break;
+    }
+ 
+    osThreadYield();                            // suspend thread
+  }
+}