1 files changed, 75 insertions, 0 deletions
diff --git a/FreeRTOS-Labs/Source/FreeRTOS-Plus-FAT/portable/avr32_uc3/ff_flush.c b/FreeRTOS-Labs/Source/FreeRTOS-Plus-FAT/portable/avr32_uc3/ff_flush.c
new file mode 100644
index 000000000..b47e01e1e
--- /dev/null
+++ b/FreeRTOS-Labs/Source/FreeRTOS-Plus-FAT/portable/avr32_uc3/ff_flush.c
@@ -0,0 +1,75 @@
+//
+//
+//
+
+#define	SD_MMC_SPI_MEM 1
+
+#include "ff_headers.h"
+
+#include "logbuf.h"
+#include "secCache.h"
+
+#include "ff_flush.h"
+
+extern BaseType_t FF_SemaphoreTaken( void *pxSemaphore );
+
+FF_Error_t FF_FlushWrites( FF_IOManager_t *pxIOManager, BaseType_t xForced )
+{
+FF_Error_t xRetValue;
+
+	if( ( pxIOManager == NULL ) || ( cache_dirt_count() == 0 ) )
+	{
+		xRetValue = FF_ERR_NONE;
+	}
+	else if( ( pxIOManager->ucPreventFlush != pdFALSE ) && ( xForced == pdFALSE ) )
+	{
+		xRetValue = FF_ERR_IOMAN_PARTITION_MOUNTED | FF_ERRFLAG;
+	}
+	else
+	{
+	BaseType_t rc = 0;
+		if( xForced != pdFALSE )
+		{
+			FF_FlushCache( pxIOManager );
+		}
+
+//		if( FF_TrySemaphore( pxIOManager->pvSemaphore, xForced ? 5000 : 0 ) != pdFALSE )
+		if( ( xForced != pdFALSE ) || ( FF_SemaphoreTaken( pxIOManager->pvSemaphore ) == pdFALSE ) )
+		{
+			rc = cache_flush( xForced );
+//			FF_ReleaseSemaphore( pxIOManager->pvSemaphore );
+		}
+		xRetValue = rc;
+	}
+	return xRetValue;
+}
+
+FF_Error_t FF_StopFlush( FF_IOManager_t *pxIOManager, BaseType_t xFlag )
+{
+FF_Error_t xRetValue;
+
+	if( pxIOManager == NULL )
+	{
+		xRetValue = 0;
+	}
+	else
+	{
+		vTaskSuspendAll();
+		{
+			xRetValue = pxIOManager->ucPreventFlush;
+			if( xFlag != FLUSH_ENABLE )
+			{
+				xRetValue++;
+			}
+			else if ( xRetValue > 0 )
+			{
+				xRetValue--;
+			}
+			pxIOManager->ucPreventFlush = xRetValue;
+		}
+		xTaskResumeAll();
+
+	}
+
+	return xRetValue;
+}