Add FreeRTOS-Plus directory.

FreeRTOS/Demo/ARM7_LPC2368_Rowley/webserver/EMAC_ISR.c

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+#include "FreeRTOS.h"
+#include "semphr.h"
+#include "task.h"
+
+/* The interrupt entry point. */
+void vEMAC_ISR_Wrapper( void ) __attribute__((naked));
+
+/* The function that actually performs the interrupt processing.  This must be 
+separate to the wrapper to ensure the correct stack frame is set up. */
+void vEMAC_ISR_Handler( void ) __attribute__((noinline));
+
+extern xSemaphoreHandle xEMACSemaphore;
+
+void vEMAC_ISR_Handler( void )
+{
+portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
+
+    /* Clear the interrupt. */
+    IntClear = 0xffff;
+    VICVectAddr = 0;
+
+    /* Ensure the uIP task is not blocked as data has arrived. */
+    xSemaphoreGiveFromISR( xEMACSemaphore, &xHigherPriorityTaskWoken );
+
+	if( xHigherPriorityTaskWoken )
+    {
+		/* If the uIP task was unblocked then calling "Yield from ISR" here
+		will ensure the interrupt returns directly to the uIP task, if it
+		is the highest priority read task. */
+        portYIELD_FROM_ISR();
+    }
+}
+/*-----------------------------------------------------------*/
+
+void vEMAC_ISR_Wrapper( void )
+{
+	/* Save the context of the interrupted task. */
+	portSAVE_CONTEXT();
+
+	/* Call the handler function.  This must be separate from the wrapper
+	function to ensure the correct stack frame is set up. */
+	__asm volatile( "bl vEMAC_ISR_Handler" );
+
+	/* Restore the context of whichever task is going to run next. */
+	portRESTORE_CONTEXT();
+}
+
+
+
+