From eeba8dcaa014c078b5a752d3b28249934e50a89f Mon Sep 17 00:00:00 2001
From: richardbarry <richardbarry@1d2547de-c912-0410-9cb9-b8ca96c0e9e2>
Date: Thu, 5 May 2011 18:40:28 +0000
Subject: [PATCH] Complete FM3/IAR blinky build configuration.

git-svn-id: https://svn.code.sf.net/p/freertos/code/trunk@1412 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
---
 Demo/CORTEX_MB9B500_IAR_Keil/FreeRTOSConfig.h |   2 +-
 Demo/CORTEX_MB9B500_IAR_Keil/ParTest.c        | 180 +++++
 Demo/CORTEX_MB9B500_IAR_Keil/RTOSDemo_IAR.ewd |   4 +-
 Demo/CORTEX_MB9B500_IAR_Keil/RTOSDemo_IAR.ewp |   2 +-
 .../config/MB9BF506.icf                       |  31 +
 .../config/Ram_VTOR.mac                       |   9 +
 .../config/flashloader/FlashLoader.board      |   9 +
 .../config/flashloader/FlashMB9BF506.flash    |  19 +
 .../config/flashloader/FlashMB9BF506.mac      |  29 +
 .../config/flashloader/FlashMB9BF506.out      | Bin 0 -> 33072 bytes
 .../config/mb9bf506_ram.icf                   |  31 +
 Demo/CORTEX_MB9B500_IAR_Keil/main-full.c      | 656 ++++++++++++++++++
 Demo/CORTEX_MB9B500_IAR_Keil/main_blinky.c    |  28 +-
 13 files changed, 981 insertions(+), 19 deletions(-)
 create mode 100644 Demo/CORTEX_MB9B500_IAR_Keil/ParTest.c
 create mode 100644 Demo/CORTEX_MB9B500_IAR_Keil/config/MB9BF506.icf
 create mode 100644 Demo/CORTEX_MB9B500_IAR_Keil/config/Ram_VTOR.mac
 create mode 100644 Demo/CORTEX_MB9B500_IAR_Keil/config/flashloader/FlashLoader.board
 create mode 100644 Demo/CORTEX_MB9B500_IAR_Keil/config/flashloader/FlashMB9BF506.flash
 create mode 100644 Demo/CORTEX_MB9B500_IAR_Keil/config/flashloader/FlashMB9BF506.mac
 create mode 100644 Demo/CORTEX_MB9B500_IAR_Keil/config/flashloader/FlashMB9BF506.out
 create mode 100644 Demo/CORTEX_MB9B500_IAR_Keil/config/mb9bf506_ram.icf
 create mode 100644 Demo/CORTEX_MB9B500_IAR_Keil/main-full.c

diff --git a/Demo/CORTEX_MB9B500_IAR_Keil/FreeRTOSConfig.h b/Demo/CORTEX_MB9B500_IAR_Keil/FreeRTOSConfig.h
index f5069d907..b1b495433 100644
--- a/Demo/CORTEX_MB9B500_IAR_Keil/FreeRTOSConfig.h
+++ b/Demo/CORTEX_MB9B500_IAR_Keil/FreeRTOSConfig.h
@@ -87,7 +87,7 @@ assembly files that include this header file. */
 #define configTICK_RATE_HZ				( ( portTickType ) 1000 )
 #define configMAX_PRIORITIES			( ( unsigned portBASE_TYPE ) 5 )
 #define configMINIMAL_STACK_SIZE		( ( unsigned short ) 90 )
-#define configTOTAL_HEAP_SIZE			( ( size_t ) ( 30 * 1024 ) )
+#define configTOTAL_HEAP_SIZE			( ( size_t ) ( 60 * 1024 ) )
 #define configMAX_TASK_NAME_LEN			( 10 )
 #define configUSE_TRACE_FACILITY		1
 #define configUSE_16_BIT_TICKS			0
diff --git a/Demo/CORTEX_MB9B500_IAR_Keil/ParTest.c b/Demo/CORTEX_MB9B500_IAR_Keil/ParTest.c
new file mode 100644
index 000000000..c1af98967
--- /dev/null
+++ b/Demo/CORTEX_MB9B500_IAR_Keil/ParTest.c
@@ -0,0 +1,180 @@
+/*
+    FreeRTOS V7.0.0 - Copyright (C) 2011 Real Time Engineers Ltd.
+	
+
+    ***************************************************************************
+     *                                                                       *
+     *    FreeRTOS tutorial books are available in pdf and paperback.        *
+     *    Complete, revised, and edited pdf reference manuals are also       *
+     *    available.                                                         *
+     *                                                                       *
+     *    Purchasing FreeRTOS documentation will not only help you, by       *
+     *    ensuring you get running as quickly as possible and with an        *
+     *    in-depth knowledge of how to use FreeRTOS, it will also help       *
+     *    the FreeRTOS project to continue with its mission of providing     *
+     *    professional grade, cross platform, de facto standard solutions    *
+     *    for microcontrollers - completely free of charge!                  *
+     *                                                                       *
+     *    >>> See http://www.FreeRTOS.org/Documentation for details. <<<     *
+     *                                                                       *
+     *    Thank you for using FreeRTOS, and thank you for your support!      *
+     *                                                                       *
+    ***************************************************************************
+
+
+    This file is part of the FreeRTOS distribution.
+
+    FreeRTOS is free software; you can redistribute it and/or modify it under
+    the terms of the GNU General Public License (version 2) as published by the
+    Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
+    >>>NOTE<<< The modification to the GPL is included to allow you to
+    distribute a combined work that includes FreeRTOS without being obliged to
+    provide the source code for proprietary components outside of the FreeRTOS
+    kernel.  FreeRTOS is distributed in the hope that it will be useful, but
+    WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+    more details. You should have received a copy of the GNU General Public
+    License and the FreeRTOS license exception along with FreeRTOS; if not it
+    can be viewed here: http://www.freertos.org/a00114.html and also obtained
+    by writing to Richard Barry, contact details for whom are available on the
+    FreeRTOS WEB site.
+
+    1 tab == 4 spaces!
+
+    http://www.FreeRTOS.org - Documentation, latest information, license and
+    contact details.
+
+    http://www.SafeRTOS.com - A version that is certified for use in safety
+    critical systems.
+
+    http://www.OpenRTOS.com - Commercial support, development, porting,
+    licensing and training services.
+*/
+
+/*-----------------------------------------------------------
+ * Simple parallel port IO routines.
+ *-----------------------------------------------------------*/
+
+/* Kernel includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+
+/* Library includes. */
+#include "mss_gpio.h"
+
+#define partstMAX_LEDS		8
+
+static volatile unsigned long ulGPIOState = 0UL;
+
+/*-----------------------------------------------------------*/
+
+void vParTestInitialise( void )
+{
+long x;
+
+	/* Initialise the GPIO */
+	MSS_GPIO_init();
+
+	/* Set up GPIO for the LEDs. */
+	for( x = 0; x < partstMAX_LEDS; x++ )
+	{
+		MSS_GPIO_config( ( mss_gpio_id_t ) x , MSS_GPIO_OUTPUT_MODE );
+	}
+
+	/* All LEDs start off. */
+	ulGPIOState = 0xffffffffUL;
+	MSS_GPIO_set_outputs( ulGPIOState );
+}
+/*-----------------------------------------------------------*/
+
+void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
+{
+	if( uxLED < partstMAX_LEDS )
+	{
+		/* A critical section is used as the LEDs are also accessed from an
+		interrupt. */
+		taskENTER_CRITICAL();
+		{
+			if( xValue == pdTRUE )
+			{
+				ulGPIOState &= ~( 1UL << uxLED );
+			}
+			else
+			{
+				ulGPIOState |= ( 1UL << uxLED );
+			}
+			
+			MSS_GPIO_set_outputs( ulGPIOState );
+		}
+		taskEXIT_CRITICAL();
+	}
+}
+/*-----------------------------------------------------------*/
+
+void vParTestSetLEDFromISR( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
+{
+unsigned portBASE_TYPE uxInterruptFlags;
+
+	uxInterruptFlags = portSET_INTERRUPT_MASK_FROM_ISR();
+	{
+		if( uxLED < partstMAX_LEDS )
+		{
+			if( xValue == pdTRUE )
+			{
+				ulGPIOState &= ~( 1UL << uxLED );
+			}
+			else
+			{
+				ulGPIOState |= ( 1UL << uxLED );
+			}
+
+			MSS_GPIO_set_outputs( ulGPIOState );
+		}
+	}
+	portCLEAR_INTERRUPT_MASK_FROM_ISR( uxInterruptFlags );
+}
+/*-----------------------------------------------------------*/
+
+void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
+{
+	if( uxLED < partstMAX_LEDS )
+	{
+		/* A critical section is used as the LEDs are also accessed from an
+		interrupt. */
+		taskENTER_CRITICAL();
+		{
+			if( ( ulGPIOState & ( 1UL << uxLED ) ) != 0UL )
+			{
+				ulGPIOState &= ~( 1UL << uxLED );
+			}
+			else
+			{
+				ulGPIOState |= ( 1UL << uxLED );
+			}
+			
+			MSS_GPIO_set_outputs( ulGPIOState );
+		}
+		taskEXIT_CRITICAL();
+	}
+}
+/*-----------------------------------------------------------*/
+
+long lParTestGetLEDState( unsigned long ulLED )
+{
+long lReturn = pdFALSE;
+
+	if( ulLED < partstMAX_LEDS )
+	{
+		taskENTER_CRITICAL();
+		{
+			if( ( ulGPIOState & ( 1UL << ulLED ) ) == 0UL )
+			{
+				lReturn = pdTRUE;
+			}
+		}
+		taskEXIT_CRITICAL();
+	}
+
+	return lReturn;
+}
+/*-----------------------------------------------------------*/
diff --git a/Demo/CORTEX_MB9B500_IAR_Keil/RTOSDemo_IAR.ewd b/Demo/CORTEX_MB9B500_IAR_Keil/RTOSDemo_IAR.ewd
index 63828ba8d..de43eaa3f 100644
--- a/Demo/CORTEX_MB9B500_IAR_Keil/RTOSDemo_IAR.ewd
+++ b/Demo/CORTEX_MB9B500_IAR_Keil/RTOSDemo_IAR.ewd
@@ -33,7 +33,7 @@
         </option>
         <option>
           <name>MacOverride</name>
-          <state>1</state>
+          <state>0</state>
         </option>
         <option>
           <name>MacFile</name>
@@ -97,7 +97,7 @@
         </option>
         <option>
           <name>UseFlashLoader</name>
-          <state>0</state>
+          <state>1</state>
         </option>
         <option>
           <name>CLowLevel</name>
diff --git a/Demo/CORTEX_MB9B500_IAR_Keil/RTOSDemo_IAR.ewp b/Demo/CORTEX_MB9B500_IAR_Keil/RTOSDemo_IAR.ewp
index ef649f1d8..56ef3f411 100644
--- a/Demo/CORTEX_MB9B500_IAR_Keil/RTOSDemo_IAR.ewp
+++ b/Demo/CORTEX_MB9B500_IAR_Keil/RTOSDemo_IAR.ewp
@@ -689,7 +689,7 @@
         </option>
         <option>
           <name>IlinkIcfFile</name>
-          <state>$PROJ_DIR$\config\mb9bf506_ram.icf</state>
+          <state>$PROJ_DIR$\config\MB9BF506.icf</state>
         </option>
         <option>
           <name>IlinkIcfFileSlave</name>
diff --git a/Demo/CORTEX_MB9B500_IAR_Keil/config/MB9BF506.icf b/Demo/CORTEX_MB9B500_IAR_Keil/config/MB9BF506.icf
new file mode 100644
index 000000000..741fa7da4
--- /dev/null
+++ b/Demo/CORTEX_MB9B500_IAR_Keil/config/MB9BF506.icf
@@ -0,0 +1,31 @@
+/*###ICF### Section handled by ICF editor, don't touch! ****/
+/*-Editor annotation file-*/
+/* IcfEditorFile="$TOOLKIT_DIR$\config\ide\IcfEditor\cortex_v1_0.xml" */
+/*-Specials-*/
+define symbol __ICFEDIT_intvec_start__ = 0x00000000;
+/*-Memory Regions-*/
+define symbol __ICFEDIT_region_ROM_start__ = 0x00000000;
+define symbol __ICFEDIT_region_ROM_end__   = 0x0007FFFF;
+define symbol __ICFEDIT_region_RAM_start__ = 0x1FFF8000;
+define symbol __ICFEDIT_region_RAM_end__   = 0x20007FFF;
+/*-Sizes-*/
+define symbol __ICFEDIT_size_cstack__ = 0x400;
+define symbol __ICFEDIT_size_heap__   = 0x800;
+/**** End of ICF editor section. ###ICF###*/
+
+
+define memory mem with size = 4G;
+define region ROM_region   = mem:[from __ICFEDIT_region_ROM_start__   to __ICFEDIT_region_ROM_end__];
+define region RAM_region   = mem:[from __ICFEDIT_region_RAM_start__   to __ICFEDIT_region_RAM_end__];
+
+define block CSTACK    with alignment = 8, size = __ICFEDIT_size_cstack__   { };
+define block HEAP      with alignment = 8, size = __ICFEDIT_size_heap__     { };
+
+initialize by copy { readwrite };
+do not initialize  { section .noinit };
+
+place at address mem:__ICFEDIT_intvec_start__ { readonly section .intvec };
+
+place in ROM_region   { readonly };
+place in RAM_region   { readwrite,
+                        block CSTACK, block HEAP };
\ No newline at end of file
diff --git a/Demo/CORTEX_MB9B500_IAR_Keil/config/Ram_VTOR.mac b/Demo/CORTEX_MB9B500_IAR_Keil/config/Ram_VTOR.mac
new file mode 100644
index 000000000..06c610d75
--- /dev/null
+++ b/Demo/CORTEX_MB9B500_IAR_Keil/config/Ram_VTOR.mac
@@ -0,0 +1,9 @@
+execUserReset()
+{
+    __writeMemory32(0x1FFF8000, 0xE000ED08, "Memory"); //Vector table remap at 0x1FFF8000
+}
+
+execUserPreload()
+{
+    __writeMemory32(0x1FFF8000, 0xE000ED08, "Memory"); //Vector table remap at 0x1FFF8000
+}
diff --git a/Demo/CORTEX_MB9B500_IAR_Keil/config/flashloader/FlashLoader.board b/Demo/CORTEX_MB9B500_IAR_Keil/config/flashloader/FlashLoader.board
new file mode 100644
index 000000000..2f40cfbd5
--- /dev/null
+++ b/Demo/CORTEX_MB9B500_IAR_Keil/config/flashloader/FlashLoader.board
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+
+<flash_board>
+  <pass>
+    <loader>$PROJ_DIR$\config\flashloader\FlashMB9BF506.flash</loader>
+  </pass>
+</flash_board>
+
+
diff --git a/Demo/CORTEX_MB9B500_IAR_Keil/config/flashloader/FlashMB9BF506.flash b/Demo/CORTEX_MB9B500_IAR_Keil/config/flashloader/FlashMB9BF506.flash
new file mode 100644
index 000000000..5fbe0a35a
--- /dev/null
+++ b/Demo/CORTEX_MB9B500_IAR_Keil/config/flashloader/FlashMB9BF506.flash
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+
+<flash_device>
+  <exe>$PROJ_DIR$\config\flashloader\FlashMB9BF506.out</exe>
+  <page>4</page>
+  <block>2 0x4000</block>
+  <block>1 0x18000</block>
+  <block>3 0x20000</block>
+  <flash_base>0x00000000</flash_base>
+  <macro>$PROJ_DIR$\config\flashloader\FlashMB9BF506.mac</macro>
+  <aggregate>1</aggregate>
+  <args_doc>The "--protect" argument is used to program
+protection code 0x0001 in the security code area of the
+flash.
+Note: Writing the protection code disables JTAG access
+and debug is not possible. To release security, perform
+the chip erase operation using a serial writer because
+the security cannot be released through JTAG pins.</args_doc>
+</flash_device>
diff --git a/Demo/CORTEX_MB9B500_IAR_Keil/config/flashloader/FlashMB9BF506.mac b/Demo/CORTEX_MB9B500_IAR_Keil/config/flashloader/FlashMB9BF506.mac
new file mode 100644
index 000000000..b0b68590f
--- /dev/null
+++ b/Demo/CORTEX_MB9B500_IAR_Keil/config/flashloader/FlashMB9BF506.mac
@@ -0,0 +1,29 @@
+setup()
+{
+  /*Disable HWD*/
+  __writeMemory32(0x1ACCE551, 0x40011C00, "Memory"); //Unlock WDG_LCK = 0x1ACCE551
+  __writeMemory32(0xE5331AAE, 0x40011C00, "Memory"); //Unlock WDG_LCK = 0xE5331AAE
+  __writeMemory32(0x00000000, 0x40011008, "Memory"); //WDG_CTL = 0
+  /*Clock from High Speed internal Oscilator*/
+  __writeMemory32(__readMemory32(0x40010000, "Memory") & ~0xE0, 0x40010000, "Memory");
+  /*Wait*/ 
+  __delay(5);
+  __emulatorSpeed(0);
+  /*Base Clock Prescaler Register*/
+  __writeMemory32(0, 0x40010010, "Memory"); 
+
+  /*Vectors at RAM*/
+  __writeMemory32(0x1FFFC000, 0xE000ED08, "Memory"); //Vector table remap at 0x1FFFC000
+}
+
+execUserPreload()
+{
+  __message "----- Prepare hardware for Flashloader -----\n";
+  setup();
+}
+execUserFlashInit()  // Called by debugger before loading flash loader in RAM.
+{
+  __message "----- Prepare hardware for Flashloader -----\n";
+  setup();
+}
+
diff --git a/Demo/CORTEX_MB9B500_IAR_Keil/config/flashloader/FlashMB9BF506.out b/Demo/CORTEX_MB9B500_IAR_Keil/config/flashloader/FlashMB9BF506.out
new file mode 100644
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diff --git a/Demo/CORTEX_MB9B500_IAR_Keil/config/mb9bf506_ram.icf b/Demo/CORTEX_MB9B500_IAR_Keil/config/mb9bf506_ram.icf
new file mode 100644
index 000000000..6bc6cebdb
--- /dev/null
+++ b/Demo/CORTEX_MB9B500_IAR_Keil/config/mb9bf506_ram.icf
@@ -0,0 +1,31 @@
+/*###ICF### Section handled by ICF editor, don't touch! ****/
+/*-Editor annotation file-*/
+/* IcfEditorFile="$TOOLKIT_DIR$\config\ide\IcfEditor\cortex_v1_0.xml" */
+/*-Specials-*/
+define symbol __ICFEDIT_intvec_start__ = 0x1FFF8000;
+/*-Memory Regions-*/
+define symbol __ICFEDIT_region_ROM_start__ = 0x1FFF8000;
+define symbol __ICFEDIT_region_ROM_end__   = 0x1FFFFFFF;
+define symbol __ICFEDIT_region_RAM_start__ = 0x20000000;
+define symbol __ICFEDIT_region_RAM_end__   = 0x20007FFF;
+/*-Sizes-*/
+define symbol __ICFEDIT_size_cstack__ = 0x400;
+define symbol __ICFEDIT_size_heap__   = 0x800;
+/**** End of ICF editor section. ###ICF###*/
+
+
+define memory mem with size = 4G;
+define region ROM_region   = mem:[from __ICFEDIT_region_ROM_start__   to __ICFEDIT_region_ROM_end__];
+define region RAM_region   = mem:[from __ICFEDIT_region_RAM_start__   to __ICFEDIT_region_RAM_end__];
+
+define block CSTACK    with alignment = 8, size = __ICFEDIT_size_cstack__   { };
+define block HEAP      with alignment = 8, size = __ICFEDIT_size_heap__     { };
+
+initialize by copy { readwrite };
+do not initialize  { section .noinit };
+
+place at address mem:__ICFEDIT_intvec_start__ { readonly section .intvec };
+
+place in ROM_region   { readonly };
+place in RAM_region   { readwrite,
+                        block CSTACK, block HEAP };
\ No newline at end of file
diff --git a/Demo/CORTEX_MB9B500_IAR_Keil/main-full.c b/Demo/CORTEX_MB9B500_IAR_Keil/main-full.c
new file mode 100644
index 000000000..d412c41da
--- /dev/null
+++ b/Demo/CORTEX_MB9B500_IAR_Keil/main-full.c
@@ -0,0 +1,656 @@
+/*
+    FreeRTOS V7.0.0 - Copyright (C) 2011 Real Time Engineers Ltd.
+
+
+	FreeRTOS supports many tools and architectures. V7.0.0 is sponsored by:
+	Atollic AB - Atollic provides professional embedded systems development
+	tools for C/C++ development, code analysis and test automation.
+	See http://www.atollic.com
+
+
+    ***************************************************************************
+     *                                                                       *
+     *    FreeRTOS tutorial books are available in pdf and paperback.        *
+     *    Complete, revised, and edited pdf reference manuals are also       *
+     *    available.                                                         *
+     *                                                                       *
+     *    Purchasing FreeRTOS documentation will not only help you, by       *
+     *    ensuring you get running as quickly as possible and with an        *
+     *    in-depth knowledge of how to use FreeRTOS, it will also help       *
+     *    the FreeRTOS project to continue with its mission of providing     *
+     *    professional grade, cross platform, de facto standard solutions    *
+     *    for microcontrollers - completely free of charge!                  *
+     *                                                                       *
+     *    >>> See http://www.FreeRTOS.org/Documentation for details. <<<     *
+     *                                                                       *
+     *    Thank you for using FreeRTOS, and thank you for your support!      *
+     *                                                                       *
+    ***************************************************************************
+
+
+    This file is part of the FreeRTOS distribution.
+
+    FreeRTOS is free software; you can redistribute it and/or modify it under
+    the terms of the GNU General Public License (version 2) as published by the
+    Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
+    >>>NOTE<<< The modification to the GPL is included to allow you to
+    distribute a combined work that includes FreeRTOS without being obliged to
+    provide the source code for proprietary components outside of the FreeRTOS
+    kernel.  FreeRTOS is distributed in the hope that it will be useful, but
+    WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+    more details. You should have received a copy of the GNU General Public
+    License and the FreeRTOS license exception along with FreeRTOS; if not it
+    can be viewed here: http://www.freertos.org/a00114.html and also obtained
+    by writing to Richard Barry, contact details for whom are available on the
+    FreeRTOS WEB site.
+
+    1 tab == 4 spaces!
+
+    http://www.FreeRTOS.org - Documentation, latest information, license and
+    contact details.
+
+    http://www.SafeRTOS.com - A version that is certified for use in safety
+    critical systems.
+
+    http://www.OpenRTOS.com - Commercial support, development, porting,
+    licensing and training services.
+*/
+
+/*
+ * main-blinky.c is included when the "Blinky" build configuration is used.
+ * main-full.c is included when the "Full" build configuration is used.
+ *
+ * main-full.c (this file) defines a comprehensive demo that creates many
+ * tasks, queues, semaphores and timers.  It also demonstrates how Cortex-M3
+ * interrupts can interact with FreeRTOS tasks/timers, and implements a simple
+ * and small interactive web server.
+ *
+ * This project runs on the SmartFusion A2F-EVAL-KIT evaluation board, which
+ * is populated with an A2F200M3F SmartFusion mixed signal FPGA.  The A2F200M3F
+ * incorporates a Cortex-M3 microcontroller.
+ *
+ * The main() Function:
+ * main() creates two demo specific software timers, one demo specific queue,
+ * and three demo specific tasks.  It then creates a whole host of 'standard
+ * demo' tasks/queues/semaphores, before starting the scheduler.  The demo
+ * specific tasks and timers are described in the comments here.  The standard
+ * demo tasks are described on the FreeRTOS.org web site.
+ *
+ * The standard demo tasks provide no specific functionality.  They are
+ * included to both test the FreeRTOS port, and provide examples of how the
+ * various FreeRTOS API functions can be used.
+ *
+ * The Demo Specific Queue Send Task:
+ * The queue send task is implemented by the prvQueueSendTask() function in
+ * this file.  prvQueueSendTask() sits in a loop that causes it to repeatedly
+ * block for 200 milliseconds, before sending the value 100 to the queue that
+ * was created within main().  Once the value is sent, the task loops back
+ * around to block for another 200 milliseconds.
+ *
+ * The Demo Specific Queue Receive Task:
+ * The queue receive task is implemented by the prvQueueReceiveTask() function
+ * in this file.  prvQueueReceiveTask() sits in a loop that causes it to
+ * repeatedly attempt to read data from the queue that was created within
+ * main().  When data is received, the task checks the value of the data, and
+ * if the value equals the expected 100, toggles the green LED.  The 'block
+ * time' parameter passed to the queue receive function specifies that the task
+ * should be held in the Blocked state indefinitely to wait for data to be
+ * available on the queue.  The queue receive task will only leave the Blocked
+ * state when the queue send task writes to the queue.  As the queue send task
+ * writes to the queue every 200 milliseconds, the queue receive task leaves
+ * the Blocked state every 200 milliseconds, and therefore toggles the LED
+ * every 200 milliseconds.
+ *
+ * The Demo Specific OLED Task:
+ * The OLED task is a very simple task that just scrolls a message across the
+ * OLED.  Ideally this would be done in a timer, but the OLED driver accesses
+ * the I2C which is time consuming.
+ *
+ * The Demo Specific LED Software Timer and the Button Interrupt:
+ * The user button SW1 is configured to generate an interrupt each time it is
+ * pressed.  The interrupt service routine switches an LED on, and resets the
+ * LED software timer.  The LED timer has a 5000 millisecond (5 second) period,
+ * and uses a callback function that is defined to just turn the LED off again.
+ * Therefore, pressing the user button will turn the LED on, and the LED will
+ * remain on until a full five seconds pass without the button being pressed.
+ *
+ * The Demo Specific "Check" Callback Function:
+ * This is called each time the 'check' timer expires.  The check timer
+ * callback function inspects all the standard demo tasks to see if they are
+ * all executing as expected.  The check timer is initially configured to
+ * expire every three seconds, but will shorted this to every 500ms if an error
+ * is ever discovered.  The check timer callback toggles the LED defined by
+ * the mainCHECK_LED definition each time it executes.  Therefore, if LED
+ * mainCHECK_LED is toggling every three seconds, then no error have been found.
+ * If LED mainCHECK_LED is toggling every 500ms, then at least one errors has
+ * been found.  The task in which the error was discovered is displayed at the
+ * bottom of the "task stats" page that is served by the embedded web server.
+ *
+ * The Demo Specific Idle Hook Function:
+ * The idle hook function demonstrates how to query the amount of FreeRTOS heap
+ * space that is remaining (see vApplicationIdleHook() defined in this file).
+ *
+ * The Web Server Task:
+ * The IP address used by the SmartFusion target is configured by the
+ * definitions configIP_ADDR0 to configIP_ADDR3, which are located in the
+ * FreeRTOSConfig.h header file.  See the documentation page for this example
+ * on the http://www.FreeRTOS.org web site for further connection information.
+ */
+
+/* Kernel includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+#include "queue.h"
+#include "timers.h"
+
+/* Microsemi drivers/libraries includes. */
+#include "mss_gpio.h"
+#include "mss_watchdog.h"
+#include "mss_timer.h"
+#include "mss_ace.h"
+#include "oled.h"
+
+/* Common demo includes. */
+#include "partest.h"
+#include "flash.h"
+#include "BlockQ.h"
+#include "death.h"
+#include "blocktim.h"
+#include "semtest.h"
+#include "GenQTest.h"
+#include "QPeek.h"
+#include "recmutex.h"
+#include "TimerDemo.h"
+
+/* Priorities at which the tasks are created. */
+#define mainQUEUE_RECEIVE_TASK_PRIORITY		( tskIDLE_PRIORITY + 2 )
+#define	mainQUEUE_SEND_TASK_PRIORITY		( tskIDLE_PRIORITY + 1 )
+
+/* The rate at which data is sent to the queue, specified in milliseconds, and
+converted to ticks using the portTICK_RATE_MS constant. */
+#define mainQUEUE_SEND_FREQUENCY_MS			( 200 / portTICK_RATE_MS )
+
+/* The number of items the queue can hold.  This is 1 as the receive task
+will remove items as they are added, meaning the send task should always find
+the queue empty. */
+#define mainQUEUE_LENGTH			( 1 )
+
+/* The LED toggled by the check timer callback function. */
+#define mainCHECK_LED				0x07UL
+
+/* The LED turned on by the button interrupt, and turned off by the LED timer. */
+#define mainTIMER_CONTROLLED_LED	0x06UL
+
+/* The LED toggle by the queue receive task. */
+#define mainTASK_CONTROLLED_LED		0x05UL
+
+/* Constant used by the standard timer test functions. */
+#define mainTIMER_TEST_PERIOD		( 50 )
+
+/* Priorities used by the various different tasks. */
+#define mainCHECK_TASK_PRIORITY		( configMAX_PRIORITIES - 1 )
+#define mainQUEUE_POLL_PRIORITY		( tskIDLE_PRIORITY + 1 )
+#define mainSEM_TEST_PRIORITY		( tskIDLE_PRIORITY + 1 )
+#define mainBLOCK_Q_PRIORITY		( tskIDLE_PRIORITY + 2 )
+#define mainCREATOR_TASK_PRIORITY   ( tskIDLE_PRIORITY + 3 )
+#define mainFLASH_TASK_PRIORITY		( tskIDLE_PRIORITY + 1 )
+#define mainuIP_TASK_PRIORITY		( tskIDLE_PRIORITY + 2 )
+#define mainOLED_TASK_PRIORITY		( tskIDLE_PRIORITY + 1 )
+#define mainINTEGER_TASK_PRIORITY   ( tskIDLE_PRIORITY )
+#define mainGEN_QUEUE_TASK_PRIORITY	( tskIDLE_PRIORITY )
+
+/* The WEB server uses string handling functions, which in turn use a bit more
+stack than most of the other tasks. */
+#define mainuIP_STACK_SIZE			( configMINIMAL_STACK_SIZE * 3 )
+
+/* The period at which the check timer will expire, in ms, provided no errors
+have been reported by any of the standard demo tasks. */
+#define mainCHECK_TIMER_PERIOD_MS	( 3000UL / portTICK_RATE_MS )
+
+/* The period at which the OLED timer will expire.  Each time it expires, it's
+callback function updates the OLED text. */
+#define mainOLED_PERIOD_MS			( 75UL / portTICK_RATE_MS )
+
+/* The period at which the check timer will expire, in ms, if an error has been
+reported in one of the standard demo tasks. */
+#define mainERROR_CHECK_TIMER_PERIOD_MS ( 500UL / portTICK_RATE_MS )
+
+/* The LED will remain on until the button has not been pushed for a full
+5000ms. */
+#define mainLED_TIMER_PERIOD_MS		( 5000UL / portTICK_RATE_MS )
+
+/* A zero block time. */
+#define mainDONT_BLOCK				( 0UL )
+/*-----------------------------------------------------------*/
+
+/*
+ * Setup the NVIC, LED outputs, and button inputs.
+ */
+static void prvSetupHardware( void );
+
+/*
+ * The tasks as described in the comments at the top of this file.
+ */
+static void prvQueueReceiveTask( void *pvParameters );
+static void prvQueueSendTask( void *pvParameters );
+
+/*
+ * The LED timer callback function.  This does nothing but switch the red LED
+ * off.
+ */
+static void prvLEDTimerCallback( xTimerHandle xTimer );
+
+/*
+ * The check timer callback function, as described at the top of this file.
+ */
+static void prvCheckTimerCallback( xTimerHandle xTimer );
+
+/*
+ * This is not a 'standard' partest function, so the prototype is not in
+ * partest.h, and is instead included here.
+ */
+void vParTestSetLEDFromISR( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue );
+
+/*
+ * Contains the implementation of the WEB server.
+ */
+extern void vuIP_Task( void *pvParameters );
+
+/*
+ * A very simply task that does nothing but scroll the OLED display.  Ideally
+ * this would be done within a timer, but it accesses the I2C port which is
+ * time consuming.
+ */
+static void prvOLEDTask( void * pvParameters);
+
+/*-----------------------------------------------------------*/
+
+/* The queue used by both application specific demo tasks defined in this file. */
+static xQueueHandle xQueue = NULL;
+
+/* The LED software timer.  This uses prvLEDTimerCallback() as it's callback
+function. */
+static xTimerHandle xLEDTimer = NULL;
+
+/* The check timer.  This uses prvCheckTimerCallback() as it's callback
+function. */
+static xTimerHandle xCheckTimer = NULL;
+
+/* The status message that is displayed at the bottom of the "task stats" web
+page, which is served by the uIP task.  This will report any errors picked up
+by the check timer callback. */
+static const char *pcStatusMessage = NULL;
+
+/*-----------------------------------------------------------*/
+
+int main(void)
+{
+	/* Configure the NVIC, LED outputs and button inputs. */
+	prvSetupHardware();
+
+	/* Create the queue. */
+	xQueue = xQueueCreate( mainQUEUE_LENGTH, sizeof( unsigned long ) );
+
+	if( xQueue != NULL )
+	{
+		/* Start the three application specific demo tasks, as described in the
+		comments at the top of this	file. */
+		xTaskCreate( prvQueueReceiveTask, ( signed char * ) "Rx", configMINIMAL_STACK_SIZE, NULL, mainQUEUE_RECEIVE_TASK_PRIORITY, NULL );
+		xTaskCreate( prvQueueSendTask, ( signed char * ) "TX", configMINIMAL_STACK_SIZE, NULL, mainQUEUE_SEND_TASK_PRIORITY, NULL );
+		xTaskCreate( prvOLEDTask, ( signed char * ) "OLED", configMINIMAL_STACK_SIZE, NULL, mainOLED_TASK_PRIORITY, NULL );
+
+		/* Create the software timer that is responsible for turning off the LED
+		if the button is not pushed within 5000ms, as described at the top of
+		this file. */
+		xLEDTimer = xTimerCreate( 	( const signed char * ) "LEDTimer", /* A text name, purely to help debugging. */
+									( mainLED_TIMER_PERIOD_MS ),		/* The timer period, in this case 5000ms (5s). */
+									pdFALSE,							/* This is a one shot timer, so xAutoReload is set to pdFALSE. */
+									( void * ) 0,						/* The ID is not used, so can be set to anything. */
+									prvLEDTimerCallback					/* The callback function that switches the LED off. */
+								);
+
+		/* Create the software timer that performs the 'check' functionality,
+		as described at the top of this file. */
+		xCheckTimer = xTimerCreate( ( const signed char * ) "CheckTimer",/* A text name, purely to help debugging. */
+									( mainCHECK_TIMER_PERIOD_MS ),		/* The timer period, in this case 3000ms (3s). */
+									pdTRUE,								/* This is an auto-reload timer, so xAutoReload is set to pdTRUE. */
+									( void * ) 0,						/* The ID is not used, so can be set to anything. */
+									prvCheckTimerCallback				/* The callback function that inspects the status of all the other tasks. */
+								  );
+
+		/* Create a lot of 'standard demo' tasks. */
+		vStartBlockingQueueTasks( mainBLOCK_Q_PRIORITY );
+		vCreateBlockTimeTasks();
+		vStartSemaphoreTasks( mainSEM_TEST_PRIORITY );
+		vStartGenericQueueTasks( mainGEN_QUEUE_TASK_PRIORITY );
+		vStartLEDFlashTasks( mainFLASH_TASK_PRIORITY );
+		vStartQueuePeekTasks();
+		vStartRecursiveMutexTasks();
+		vStartTimerDemoTask( mainTIMER_TEST_PERIOD );
+
+		/* Create the web server task. */
+		xTaskCreate( vuIP_Task, ( signed char * ) "uIP", mainuIP_STACK_SIZE, NULL, mainuIP_TASK_PRIORITY, NULL );
+		
+		/* The suicide tasks must be created last, as they need to know how many
+		tasks were running prior to their creation in order to ascertain whether
+		or not the correct/expected number of tasks are running at any given
+		time. */
+		vCreateSuicidalTasks( mainCREATOR_TASK_PRIORITY );
+
+		/* Start the tasks and timer running. */
+		vTaskStartScheduler();
+	}
+
+	/* If all is well, the scheduler will now be running, and the following line
+	will never be reached.  If the following line does execute, then there was
+	insufficient FreeRTOS heap memory available for the idle and/or timer tasks
+	to be created.  See the memory management section on the FreeRTOS web site
+	for more details. */
+	for( ;; );
+}
+/*-----------------------------------------------------------*/
+
+static void prvCheckTimerCallback( xTimerHandle xTimer )
+{
+	/* Check the standard demo tasks are running without error.   Latch the
+	latest reported error in the pcStatusMessage character pointer. */
+	if( xAreGenericQueueTasksStillRunning() != pdTRUE )
+	{
+		pcStatusMessage = "Error: GenQueue";
+	}
+
+	if( xAreQueuePeekTasksStillRunning() != pdTRUE )
+	{
+		pcStatusMessage = "Error: QueuePeek\r\n";
+	}
+
+	if( xAreBlockingQueuesStillRunning() != pdTRUE )
+	{
+		pcStatusMessage = "Error: BlockQueue\r\n";
+	}
+
+	if( xAreBlockTimeTestTasksStillRunning() != pdTRUE )
+	{
+		pcStatusMessage = "Error: BlockTime\r\n";
+	}
+
+	if( xAreSemaphoreTasksStillRunning() != pdTRUE )
+	{
+		pcStatusMessage = "Error: SemTest\r\n";
+	}
+
+	if( xIsCreateTaskStillRunning() != pdTRUE )
+	{
+		pcStatusMessage = "Error: Death\r\n";
+	}
+
+	if( xAreRecursiveMutexTasksStillRunning() != pdTRUE )
+	{
+		pcStatusMessage = "Error: RecMutex\r\n";
+	}
+
+	if( xAreTimerDemoTasksStillRunning( ( mainCHECK_TIMER_PERIOD_MS ) ) != pdTRUE )
+	{
+		pcStatusMessage = "Error: TimerDemo";
+	}
+
+	/* Toggle the check LED to give an indication of the system status.  If
+	the LED toggles every mainCHECK_TIMER_PERIOD_MS milliseconds then
+	everything is ok.  A faster toggle indicates an error. */
+	vParTestToggleLED( mainCHECK_LED );
+
+	/* Have any errors been latch in pcStatusMessage?  If so, shorten the
+	period of the check timer to mainERROR_CHECK_TIMER_PERIOD_MS milliseconds.
+	This will result in an increase in the rate at which mainCHECK_LED
+	toggles. */
+	if( pcStatusMessage != NULL )
+	{
+		/* This call to xTimerChangePeriod() uses a zero block time.  Functions
+		called from inside of a timer callback function must *never* attempt
+		to block. */
+		xTimerChangePeriod( xCheckTimer, ( mainERROR_CHECK_TIMER_PERIOD_MS ), mainDONT_BLOCK );
+	}
+}
+/*-----------------------------------------------------------*/
+
+static void prvLEDTimerCallback( xTimerHandle xTimer )
+{
+	/* The timer has expired - so no button pushes have occurred in the last
+	five seconds - turn the LED off. */
+	vParTestSetLED( mainTIMER_CONTROLLED_LED, pdFALSE );
+}
+/*-----------------------------------------------------------*/
+
+/* The ISR executed when the user button is pushed. */
+void GPIO8_IRQHandler( void )
+{
+portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
+
+	/* The button was pushed, so ensure the LED is on before resetting the
+	LED timer.  The LED timer will turn the LED off if the button is not
+	pushed within 5000ms. */
+	vParTestSetLEDFromISR( mainTIMER_CONTROLLED_LED, pdTRUE );
+
+	/* This interrupt safe FreeRTOS function can be called from this interrupt
+	because the interrupt priority is below the
+	configMAX_SYSCALL_INTERRUPT_PRIORITY setting in FreeRTOSConfig.h. */
+	xTimerResetFromISR( xLEDTimer, &xHigherPriorityTaskWoken );
+
+	/* Clear the interrupt before leaving. */
+    MSS_GPIO_clear_irq( MSS_GPIO_8 );
+
+	/* If calling xTimerResetFromISR() caused a task (in this case the timer
+	service/daemon task) to unblock, and the unblocked task has a priority
+	higher than or equal to the task that was interrupted, then
+	xHigherPriorityTaskWoken will now be set to pdTRUE, and calling
+	portEND_SWITCHING_ISR() will ensure the unblocked task runs next. */
+	portEND_SWITCHING_ISR( xHigherPriorityTaskWoken );
+}
+/*-----------------------------------------------------------*/
+
+static void prvQueueSendTask( void *pvParameters )
+{
+portTickType xNextWakeTime;
+const unsigned long ulValueToSend = 100UL;
+
+	/* The timer command queue will have been filled when the timer test tasks
+	were created in main() (this is part of the test they perform).  Therefore,
+	while the check and OLED timers can be created in main(), they cannot be
+	started from main().  Once the scheduler has started, the timer service
+	task will drain the command queue, and now the check and OLED timers can be
+	started successfully. */
+	xTimerStart( xCheckTimer, portMAX_DELAY );
+
+	/* Initialise xNextWakeTime - this only needs to be done once. */
+	xNextWakeTime = xTaskGetTickCount();
+
+	for( ;; )
+	{
+		/* Place this task in the blocked state until it is time to run again.
+		The block time is specified in ticks, the constant used converts ticks
+		to ms.  While in the Blocked state this task will not consume any CPU
+		time. */
+		vTaskDelayUntil( &xNextWakeTime, mainQUEUE_SEND_FREQUENCY_MS );
+
+		/* Send to the queue - causing the queue receive task to unblock and
+		toggle an LED.  0 is used as the block time so the sending operation
+		will not block - it shouldn't need to block as the queue should always
+		be empty at this point in the code. */
+		xQueueSend( xQueue, &ulValueToSend, mainDONT_BLOCK );
+	}
+}
+/*-----------------------------------------------------------*/
+
+static void prvQueueReceiveTask( void *pvParameters )
+{
+unsigned long ulReceivedValue;
+
+	for( ;; )
+	{
+		/* Wait until something arrives in the queue - this task will block
+		indefinitely provided INCLUDE_vTaskSuspend is set to 1 in
+		FreeRTOSConfig.h. */
+		xQueueReceive( xQueue, &ulReceivedValue, portMAX_DELAY );
+
+		/*  To get here something must have been received from the queue, but
+		is it the expected value?  If it is, toggle the LED. */
+		if( ulReceivedValue == 100UL )
+		{
+			vParTestToggleLED( mainTASK_CONTROLLED_LED );
+		}
+	}
+}
+/*-----------------------------------------------------------*/
+
+static void prvOLEDTask( void * pvParameters)
+{
+static struct oled_data xOLEDData;
+static unsigned char ucOffset1 = 0, ucOffset2 = 5;
+static portTickType xLastScrollTime = 0UL;
+
+	/* Initialise the display. */
+	OLED_init();
+
+	/* Initialise the parts of the oled_data structure that do not change. */
+	xOLEDData.line1          = FIRST_LINE;
+	xOLEDData.string1        = " www.FreeRTOS.org";
+	xOLEDData.line2          = SECOND_LINE;
+	xOLEDData.string2        = " www.FreeRTOS.org";
+	xOLEDData.contrast_val                 = OLED_CONTRAST_VAL;
+	xOLEDData.on_off                       = OLED_HORIZ_SCROLL_OFF;
+	xOLEDData.column_scrool_per_step       = OLED_HORIZ_SCROLL_STEP;
+	xOLEDData.start_page                   = OLED_START_PAGE;
+	xOLEDData.time_intrval_btw_scroll_step = OLED_HORIZ_SCROLL_TINVL;
+	xOLEDData.end_page                     = OLED_END_PAGE;
+
+
+	/* Initialise the last scroll time.  This only needs to be done once,
+	because from this point on it will get automatically updated in the
+	xTaskDelayUntil() API function. */
+	xLastScrollTime = xTaskGetTickCount();
+
+	for( ;; )
+	{
+		/* Wait until it is time to update the OLED again. */
+		vTaskDelayUntil( &xLastScrollTime, mainOLED_PERIOD_MS );
+		
+		xOLEDData.char_offset1   = ucOffset1++;
+		xOLEDData.char_offset2   = ucOffset2++;
+	
+		OLED_write_data( &xOLEDData, BOTH_LINES );
+	}
+}
+/*-----------------------------------------------------------*/
+
+static void prvSetupHardware( void )
+{
+	SystemCoreClockUpdate();
+	
+	/* Disable the Watch Dog Timer */
+	MSS_WD_disable( );
+
+	/* Configure the GPIO for the LEDs. */
+	vParTestInitialise();
+	
+	/* ACE Initialization */
+	ACE_init();
+
+	/* Setup the GPIO and the NVIC for the switch used in this simple demo. */
+	NVIC_SetPriority( GPIO8_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
+    NVIC_EnableIRQ( GPIO8_IRQn );
+    MSS_GPIO_config( MSS_GPIO_8, MSS_GPIO_INPUT_MODE | MSS_GPIO_IRQ_EDGE_NEGATIVE );
+    MSS_GPIO_enable_irq( MSS_GPIO_8 );
+}
+/*-----------------------------------------------------------*/
+
+void vApplicationMallocFailedHook( void )
+{
+	/* Called if a call to pvPortMalloc() fails because there is insufficient
+	free memory available in the FreeRTOS heap.  pvPortMalloc() is called
+	internally by FreeRTOS API functions that create tasks, queues, software
+	timers, and semaphores.  The size of the FreeRTOS heap is set by the
+	configTOTAL_HEAP_SIZE configuration constant in FreeRTOSConfig.h. */
+	for( ;; );
+}
+/*-----------------------------------------------------------*/
+
+void vApplicationStackOverflowHook( xTaskHandle *pxTask, signed char *pcTaskName )
+{
+	( void ) pcTaskName;
+	( void ) pxTask;
+
+	/* Run time stack overflow checking is performed if
+	configconfigCHECK_FOR_STACK_OVERFLOW is defined to 1 or 2.  This hook
+	function is called if a stack overflow is detected. */
+	taskDISABLE_INTERRUPTS();
+	for( ;; );
+}
+/*-----------------------------------------------------------*/
+
+void vApplicationIdleHook( void )
+{
+volatile size_t xFreeStackSpace;
+
+	/* This function is called on each cycle of the idle task.  In this case it
+	does nothing useful, other than report the amount of FreeRTOS heap that
+	remains unallocated. */
+	xFreeStackSpace = xPortGetFreeHeapSize();
+
+	if( xFreeStackSpace > 100 )
+	{
+		/* By now, the kernel has allocated everything it is going to, so
+		if there is a lot of heap remaining unallocated then
+		the value of configTOTAL_HEAP_SIZE in FreeRTOSConfig.h can be
+		reduced accordingly. */
+	}
+}
+/*-----------------------------------------------------------*/
+
+char *pcGetTaskStatusMessage( void )
+{
+	/* Not bothered about a critical section here although technically because
+	of the task priorities the pointer could change it will be atomic if not
+	near atomic and its not critical. */
+	if( pcStatusMessage == NULL )
+	{
+		return "All tasks running without error";
+	}
+	else
+	{
+		return ( char * ) pcStatusMessage;
+	}
+}
+/*-----------------------------------------------------------*/
+
+void vMainConfigureTimerForRunTimeStats( void )
+{
+const unsigned long ulMax32BitValue = 0xffffffffUL;
+
+	MSS_TIM64_init( MSS_TIMER_PERIODIC_MODE );
+	MSS_TIM64_load_immediate( ulMax32BitValue, ulMax32BitValue );
+	MSS_TIM64_start();
+}
+/*-----------------------------------------------------------*/
+
+unsigned long ulGetRunTimeCounterValue( void )
+{
+unsigned long long ullCurrentValue;
+const unsigned long long ulMax64BitValue = 0xffffffffffffffffULL;
+unsigned long *pulHighWord, *pulLowWord;
+
+	pulHighWord = ( unsigned long * ) &ullCurrentValue;
+	pulLowWord = pulHighWord++;
+	
+	MSS_TIM64_get_current_value( ( uint32_t * ) pulHighWord, ( uint32_t * ) pulLowWord );
+	
+	/* Convert the down count into an upcount. */
+	ullCurrentValue = ulMax64BitValue - ullCurrentValue;
+	
+	/* Scale to a 32bit number of suitable frequency. */
+	ullCurrentValue >>= 13;
+
+	/* Just return 32 bits. */
+	return ( unsigned long ) ullCurrentValue;
+}
+
diff --git a/Demo/CORTEX_MB9B500_IAR_Keil/main_blinky.c b/Demo/CORTEX_MB9B500_IAR_Keil/main_blinky.c
index bafc09975..9344299c5 100644
--- a/Demo/CORTEX_MB9B500_IAR_Keil/main_blinky.c
+++ b/Demo/CORTEX_MB9B500_IAR_Keil/main_blinky.c
@@ -131,10 +131,10 @@ the queue empty. */
 #define mainQUEUE_LENGTH					( 1 )
 
 /* The LED toggle by the queue receive task. */
-#define mainTASK_CONTROLLED_LED				0x0100UL
+#define mainTASK_CONTROLLED_LED				0x8000UL
 
 /* The LED turned on by the button interrupt, and turned off by the LED timer. */
-#define mainTIMER_CONTROLLED_LED			0x0200UL
+#define mainTIMER_CONTROLLED_LED			0x8000UL
 
 /*-----------------------------------------------------------*/
 
@@ -164,9 +164,6 @@ static xQueueHandle xQueue = NULL;
 function. */
 static xTimerHandle xLEDTimer = NULL;
 
-/* Maintains the current LED output state. */
-static volatile unsigned long ulGPIOState = 0xffffUL;
-
 /*-----------------------------------------------------------*/
 
 int main(void)
@@ -214,8 +211,7 @@ static void vLEDTimerCallback( xTimerHandle xTimer )
 	a critical section because it is accessed from multiple tasks, and the
 	button interrupt - in this trivial case, for simplicity, the critical
 	section is omitted. */
-	ulGPIOState |= mainTIMER_CONTROLLED_LED;
-	FM3_GPIO->PDOR3 = ulGPIOState;
+	FM3_GPIO->PDOR1 |= mainTIMER_CONTROLLED_LED;
 }
 /*-----------------------------------------------------------*/
 
@@ -227,8 +223,7 @@ portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
 	/* The button was pushed, so ensure the LED is on before resetting the
 	LED timer.  The LED timer will turn the LED off if the button is not
 	pushed within 5000ms. */
-	ulGPIOState &= ~mainTIMER_CONTROLLED_LED;
-	FM3_GPIO->PDOR3 = ulGPIOState;
+	FM3_GPIO->PDOR1 &= ~mainTIMER_CONTROLLED_LED;
 
 	/* This interrupt safe FreeRTOS function can be called from this interrupt
 	because the interrupt priority is below the
@@ -292,15 +287,14 @@ unsigned long ulReceivedValue;
 			because it is accessed from multiple tasks, and the button interrupt
 			- in this trivial case, for simplicity, the critical section is
 			omitted. */
-			if( ( ulGPIOState & mainTASK_CONTROLLED_LED ) != 0 )
+			if( ( FM3_GPIO->PDOR3 & mainTASK_CONTROLLED_LED ) != 0 )
 			{
-				ulGPIOState &= ~mainTASK_CONTROLLED_LED;
+				FM3_GPIO->PDOR3 &= ~mainTASK_CONTROLLED_LED;
 			}
 			else
 			{
-				ulGPIOState |= mainTASK_CONTROLLED_LED;
+				FM3_GPIO->PDOR3 |= mainTASK_CONTROLLED_LED;
 			}
-			FM3_GPIO->PDOR3 = ulGPIOState;
 		}
 	}
 }
@@ -309,10 +303,14 @@ unsigned long ulReceivedValue;
 static void prvSetupHardware( void )
 {
 const unsigned short usButtonInputBit = 0x01U;
+const unsigned short usGPIOState = 0xFF00U;
 
 	SystemInit();
 	SystemCoreClockUpdate();
 	
+	/* Analog inputs are not used on the LED outputs. */
+	FM3_GPIO->ADE  = 0x00FF;
+	
 	/* LED seg1 to GPIO output (P18->P1F). */
 	FM3_GPIO->DDR1 = 0xFF00;
 	FM3_GPIO->PFR1 = 0x0000;
@@ -322,8 +320,8 @@ const unsigned short usButtonInputBit = 0x01U;
 	FM3_GPIO->PFR3 = 0x0000;
 	
 	/* Start with all LEDs off. */
-	FM3_GPIO->PDOR3 = ulGPIOState;
-	FM3_GPIO->PDOR1 = ulGPIOState;
+	FM3_GPIO->PDOR3 = usGPIOState;
+	FM3_GPIO->PDOR1 = usGPIOState;
 	
 	/* Set the switches to input (P18->P1F). */
 	FM3_GPIO->DDR5 = 0x0000;
-- 
2.39.5