Add MPU wrapper from xStreamBufferResetFromISR (#1034)

* Add MPU wrapper from xStreamBufferResetFromISR in V10.6.x

* Code review suggestions

Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com>

---------

Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com>
Co-authored-by: chinglee-iot <61685396+chinglee-iot@users.noreply.github.com>
Co-authored-by: Gaurav Aggarwal <aggarg@amazon.com>

Author: 3 people

include/mpu_prototypes.h

@@ -384,5 +384,6 @@ BaseType_t MPU_xStreamBufferSendCompletedFromISR( StreamBufferHandle_t xStreamBu
                                                   BaseType_t * pxHigherPriorityTaskWoken ) PRIVILEGED_FUNCTION;
 BaseType_t MPU_xStreamBufferReceiveCompletedFromISR( StreamBufferHandle_t xStreamBuffer,
                                                      BaseType_t * pxHigherPriorityTaskWoken ) PRIVILEGED_FUNCTION;
+BaseType_t MPU_xStreamBufferResetFromISR( StreamBufferHandle_t xStreamBuffer ) PRIVILEGED_FUNCTION;
 
 #endif /* MPU_PROTOTYPES_H */

include/mpu_wrappers.h

@@ -227,6 +227,7 @@
             #define xStreamBufferReceiveFromISR             MPU_xStreamBufferReceiveFromISR
             #define xStreamBufferSendCompletedFromISR       MPU_xStreamBufferSendCompletedFromISR
             #define xStreamBufferReceiveCompletedFromISR    MPU_xStreamBufferReceiveCompletedFromISR
+            #define xStreamBufferResetFromISR               MPU_xStreamBufferResetFromISR
         #endif /* #if ( configUSE_MPU_WRAPPERS_V1 == 0 ) */
 
         #if ( ( configUSE_MPU_WRAPPERS_V1 == 0 ) && ( configENABLE_ACCESS_CONTROL_LIST == 1 ) )

portable/Common/mpu_wrappers_v2.c

@@ -4962,6 +4962,33 @@
 
     #endif /* #if ( configUSE_STREAM_BUFFERS == 1 ) */
 
+/*-----------------------------------------------------------*/
+
+    #if ( configUSE_STREAM_BUFFERS == 1 )
+
+        BaseType_t MPU_xStreamBufferResetFromISR( StreamBufferHandle_t xStreamBuffer ) /*PRIVILEGED_FUNCTION */
+        {
+            BaseType_t xReturn = pdFAIL;
+            StreamBufferHandle_t xInternalStreamBufferHandle = NULL;
+            int32_t lIndex;
+
+            lIndex = ( int32_t ) xStreamBuffer;
+
+            if( IS_EXTERNAL_INDEX_VALID( lIndex ) != pdFALSE )
+            {
+                xInternalStreamBufferHandle = MPU_GetStreamBufferHandleAtIndex( CONVERT_TO_INTERNAL_INDEX( lIndex ) );
+
+                if( xInternalStreamBufferHandle != NULL )
+                {
+                    xReturn = xStreamBufferResetFromISR( xInternalStreamBufferHandle );
+                }
+            }
+
+            return xReturn;
+        }
+
+    #endif /* #if ( configUSE_STREAM_BUFFERS == 1 ) */
+
 /*-----------------------------------------------------------*/
 
 /* Functions that the application writer wants to execute in privileged mode