[修改] 增加freeRTOS

1. 版本FreeRTOSv202212.01，命名为kernel；

kernel/FreeRTOS/Demo/Flshlite/FileIO/fileIO.c

@@ -0,0 +1,100 @@
+/*
+ * FreeRTOS V202212.01
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+#include <stdio.h>
+#include <conio.h>
+#include <string.h>
+
+/* Scheduler include files. */
+#include "FreeRTOS.h"
+#include "task.h"
+
+/* Demo program include files. */
+#include "fileio.h"
+
+void vDisplayMessage( const char * const pcMessageToPrint )
+{
+	#ifdef USE_STDIO
+		taskENTER_CRITICAL();
+			printf( "%s", pcMessageToPrint );
+			fflush( stdout );
+		taskEXIT_CRITICAL();
+	#else
+		/* Stop warnings. */
+		( void ) pcMessageToPrint;
+	#endif
+}
+/*-----------------------------------------------------------*/
+
+void vWriteMessageToDisk( const char * const pcMessage )
+{
+#ifdef USE_STDIO
+const char * const pcFileName = "c:\\RTOSlog.txt";
+const char * const pcSeparator = "\r\n-----------------------\r\n";
+FILE *pf;
+
+	taskENTER_CRITICAL();
+	{
+		pf = fopen( pcFileName, "a" );
+		if( pf != NULL )
+		{
+			fwrite( pcMessage, strlen( pcMessage ), ( unsigned short ) 1, pf );
+			fwrite( pcSeparator, strlen( pcSeparator ), ( unsigned short ) 1, pf );
+			fclose( pf );
+		}
+	}
+	taskEXIT_CRITICAL();
+#else
+	/* Stop warnings. */
+	( void ) pcMessage;
+#endif /*USE_STDIO*/
+}
+/*-----------------------------------------------------------*/
+
+void vWriteBufferToDisk( const char * const pcBuffer, unsigned long ulBufferLength )
+{
+#ifdef USE_STDIO
+const char * const pcFileName = "c:\\trace.bin";
+FILE *pf;
+
+	taskENTER_CRITICAL();
+	{
+		pf = fopen( pcFileName, "wb" );
+		if( pf )
+		{
+			fwrite( pcBuffer, ( size_t ) ulBufferLength, ( unsigned short ) 1, pf );
+			fclose( pf );
+		}
+	}
+	taskEXIT_CRITICAL();
+#else
+	/* Stop warnings. */
+	( void ) pcBuffer;
+    ( void ) ulBufferLength;
+#endif /*USE_STDIO*/
+}
+
+