[修改] 增加freeRTOS

1. 版本FreeRTOSv202212.01，命名为kernel；

kernel/FreeRTOS/Demo/HCS12_GCC_banked/ParTest.c

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+/*
+ * 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
+ *
+ */
+
+/**
+ * ParTest.c controls bits (LEDs) for GCC/HCS12 version of FreeRTOS Demo
+ *
+ * Modified from CodeWarrior/HCS12 by Jefferson L Smith, Robotronics Inc.
+ */
+
+#include <sys/ports.h>
+
+/* Scheduler include files. */
+#include "FreeRTOS.h"
+#include "portable.h"
+
+/* Demo application include files. */
+#include "partest.h"
+
+#define LEDIO	PORTIO_8(PORT_LED)
+
+/*-----------------------------------------------------------
+ * Simple parallel port IO routines.
+ *-----------------------------------------------------------*/
+
+void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
+{
+	/* This function is required as it is called from the standard demo
+	application files.  It manipulates a bit to control one LED. */
+	portENTER_CRITICAL();
+
+	if (xValue) {                       /* Is it one to be written? */
+		LEDIO |= (1<<uxLED);            /* Set appropriate bit on port */
+	}
+	else {                             /* Is it zero to be written? */
+		LEDIO &= ~(1<<uxLED);          /* Clear appropriate bit on port */
+	}
+	portEXIT_CRITICAL();
+}
+/*-----------------------------------------------------------*/
+
+void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
+{
+	/* This function is required as it is called from the standard demo
+	application files.  It manipulates a bit to control one LED. */
+	portENTER_CRITICAL();
+		LEDIO ^= (1<<uxLED);           /* Invert appropriate bit on port */
+	portEXIT_CRITICAL();
+}
+