Initial commit

external/CMSIS_5/CMSIS/RTOS/RTX/UserCodeTemplates/Mutex.c

@@ -0,0 +1,55 @@
+
+#include "cmsis_os.h"                                           // CMSIS RTOS header file
+
+/*----------------------------------------------------------------------------
+ *      Mutex creation & usage
+ *---------------------------------------------------------------------------*/
+ 
+void Thread_Mutex (void const *argument);                       // thread function
+osThreadId tid_Thread_Mutex;                                    // thread id
+osThreadDef (Thread_Mutex, osPriorityNormal, 1, 0);             // thread object
+
+osMutexId mid_Thread_Mutex;                                     // mutex id
+osMutexDef (SampleMutex);                                       // mutex name definition
+
+
+int Init_Mutex (void) {
+
+  mid_Thread_Mutex = osMutexCreate (osMutex (SampleMutex));
+  if (!tid_Thread_Mutex) {
+    ; // Mutex object not created, handle failure
+  }
+  
+  tid_Thread_Mutex = osThreadCreate (osThread(Thread_Mutex), NULL);
+  if (!tid_Thread_Mutex) return(-1);
+  
+  return(0);
+}
+
+void Thread_Mutex (void const *argument) {
+  osStatus status;
+
+  while (1) {
+    ; // Insert thread code here...
+
+    status = osMutexWait (mid_Thread_Mutex, NULL);
+    switch (status) {
+      case osOK:
+        ; // Use protected code here...
+        osMutexRelease (mid_Thread_Mutex);
+        break;
+      case osErrorTimeoutResource:
+        break;
+      case osErrorResource:
+        break;
+      case osErrorParameter:
+        break;
+      case osErrorISR:
+        break;
+      default:
+        break;
+    }
+
+    osThreadYield ();                                           // suspend thread
+  }
+}