CMSIS Example - osMessageQ osMessagePut osMessageGet

 #include "cmsis_os.h"

 void Thread0( void * arg);
 void Thread1( void * arg);

 osThreadDef( Thread0, Thread0, osPriorityNormal,  );
 osThreadDef( Thread1, Thread1, osPriorityAboveNormal,  );

 osMessageQDef(_thread0_MsgQ,  );
 osMessageQId thread0_MsgQ;

 osMessageQDef(_thread1_MsgQ,  );
 osMessageQId thread1_MsgQ;

 void Thread0( void * arg)
 {
   osEvent event;
   while()
   {
     event = osMessageGet(thread0_MsgQ, osWaitForever );
     if ( event.status == osOK)
       osMessagePut( thread1_MsgQ, event.value.v+, osWaitForever );

     osDelay(  );
   }
 }

 void Thread1( void * arg)
 {
   osEvent event;
   osMessagePut( thread0_MsgQ, ,  );

   while()
   {
     event = osMessageGet(thread1_MsgQ, osWaitForever );
     if ( event.status == osOK)
       osMessagePut( thread0_MsgQ, event.value.v+, osWaitForever );

     osDelay(  );
   }
 }

 int main( void )
 {
   osKernelInitialize();

   thread0_MsgQ = osMessageCreate( osMessageQ(_thread0_MsgQ),  );
   thread1_MsgQ = osMessageCreate( osMessageQ(_thread1_MsgQ),  );

   osThreadCreate( osThread(Thread0), (void *) );
   osThreadCreate( osThread(Thread1), (void *) );

   osKernelStart();

   return ;
 }