From 6145b2db23e820f8af658b9313189642064fb8b2 Mon Sep 17 00:00:00 2001
From: richardbarry <richardbarry@1d2547de-c912-0410-9cb9-b8ca96c0e9e2>
Date: Thu, 21 Nov 2013 16:08:11 +0000
Subject: [PATCH] Continue work on STM32L demo.

git-svn-id: https://svn.code.sf.net/p/freertos/code/trunk@2111 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
---
 .../RTOSDemo.ewp                              |  46 +-
 .../include/FreeRTOSConfig.h                  | 149 +++++
 .../CORTEX_STM32L152_Discovery_IAR/main.c     | 632 +++++++++++++++---
 .../stm32l1xx_it.c                            | 151 +----
 4 files changed, 734 insertions(+), 244 deletions(-)
 create mode 100644 FreeRTOS/Demo/CORTEX_STM32L152_Discovery_IAR/include/FreeRTOSConfig.h

diff --git a/FreeRTOS/Demo/CORTEX_STM32L152_Discovery_IAR/RTOSDemo.ewp b/FreeRTOS/Demo/CORTEX_STM32L152_Discovery_IAR/RTOSDemo.ewp
index 5dea6d1ba..2c910bbe0 100644
--- a/FreeRTOS/Demo/CORTEX_STM32L152_Discovery_IAR/RTOSDemo.ewp
+++ b/FreeRTOS/Demo/CORTEX_STM32L152_Discovery_IAR/RTOSDemo.ewp
@@ -307,6 +307,8 @@
           <state>$PROJ_DIR$\ST_Code\libraries\STM32L1xx_StdPeriph_Driver\inc</state>
           <state>$PROJ_DIR$\ST_Code\libraries\STMTouch_Driver\inc</state>
           <state>$PROJ_DIR$\ST_Code\libraries\CMSIS\Device\ST\STM32L1xx\Include</state>
+          <state>$PROJ_DIR$\..\..\Source\include</state>
+          <state>$PROJ_DIR$\..\..\Source\portable\IAR\ARM_CM3</state>
         </option>
         <option>
           <name>CCStdIncCheck</name>
@@ -555,7 +557,7 @@
         </option>
         <option>
           <name>AUserIncludes</name>
-          <state></state>
+          <state>$PROJ_DIR$\include</state>
         </option>
         <option>
           <name>AExtraOptionsCheckV2</name>
@@ -939,6 +941,42 @@
       <data/>
     </settings>
   </configuration>
+  <group>
+    <name>FreeRTOS Source</name>
+    <group>
+      <name>Portable</name>
+      <group>
+        <name>IAR</name>
+        <group>
+          <name>ARM_CM3</name>
+          <file>
+            <name>$PROJ_DIR$\..\..\Source\portable\IAR\ARM_CM3\port.c</name>
+          </file>
+          <file>
+            <name>$PROJ_DIR$\..\..\Source\portable\IAR\ARM_CM3\portasm.s</name>
+          </file>
+        </group>
+      </group>
+      <file>
+        <name>$PROJ_DIR$\..\..\Source\portable\MemMang\heap_4.c</name>
+      </file>
+    </group>
+    <file>
+      <name>$PROJ_DIR$\..\..\Source\event_groups.c</name>
+    </file>
+    <file>
+      <name>$PROJ_DIR$\..\..\Source\list.c</name>
+    </file>
+    <file>
+      <name>$PROJ_DIR$\..\..\Source\queue.c</name>
+    </file>
+    <file>
+      <name>$PROJ_DIR$\..\..\Source\tasks.c</name>
+    </file>
+    <file>
+      <name>$PROJ_DIR$\..\..\Source\timers.c</name>
+    </file>
+  </group>
   <group>
     <name>ST_Code</name>
     <group>
@@ -982,6 +1020,9 @@
     </group>
     <group>
       <name>TouchSensingDriver</name>
+      <excluded>
+        <configuration>Debug</configuration>
+      </excluded>
       <file>
         <name>$PROJ_DIR$\ST_Code\Libraries\STMTouch_Driver\src\tsl.c</name>
       </file>
@@ -1032,6 +1073,9 @@
   <file>
     <name>$PROJ_DIR$\discover_functions.c</name>
   </file>
+  <file>
+    <name>$PROJ_DIR$\include\FreeRTOSConfig.h</name>
+  </file>
   <file>
     <name>$PROJ_DIR$\icc_measure.c</name>
   </file>
diff --git a/FreeRTOS/Demo/CORTEX_STM32L152_Discovery_IAR/include/FreeRTOSConfig.h b/FreeRTOS/Demo/CORTEX_STM32L152_Discovery_IAR/include/FreeRTOSConfig.h
new file mode 100644
index 000000000..d1adfdebb
--- /dev/null
+++ b/FreeRTOS/Demo/CORTEX_STM32L152_Discovery_IAR/include/FreeRTOSConfig.h
@@ -0,0 +1,149 @@
+/*
+    FreeRTOS V7.6.0 - Copyright (C) 2013 Real Time Engineers Ltd.
+    All rights reserved
+
+    VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
+
+    ***************************************************************************
+     *                                                                       *
+     *    FreeRTOS provides completely free yet professionally developed,    *
+     *    robust, strictly quality controlled, supported, and cross          *
+     *    platform software that has become a de facto standard.             *
+     *                                                                       *
+     *    Help yourself get started quickly and support the FreeRTOS         *
+     *    project by purchasing a FreeRTOS tutorial book, reference          *
+     *    manual, or both from: http://www.FreeRTOS.org/Documentation        *
+     *                                                                       *
+     *    Thank you!                                                         *
+     *                                                                       *
+    ***************************************************************************
+
+    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.  Full license text is available from the following
+    link: http://www.freertos.org/a00114.html
+
+    1 tab == 4 spaces!
+
+    ***************************************************************************
+     *                                                                       *
+     *    Having a problem?  Start by reading the FAQ "My application does   *
+     *    not run, what could be wrong?"                                     *
+     *                                                                       *
+     *    http://www.FreeRTOS.org/FAQHelp.html                               *
+     *                                                                       *
+    ***************************************************************************
+
+    http://www.FreeRTOS.org - Documentation, books, training, latest versions,
+    license and Real Time Engineers Ltd. contact details.
+
+    http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
+    including FreeRTOS+Trace - an indispensable productivity tool, a DOS
+    compatible FAT file system, and our tiny thread aware UDP/IP stack.
+
+    http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
+    Integrity Systems to sell under the OpenRTOS brand.  Low cost OpenRTOS
+    licenses offer ticketed support, indemnification and middleware.
+
+    http://www.SafeRTOS.com - High Integrity Systems also provide a safety
+    engineered and independently SIL3 certified version for use in safety and
+    mission critical applications that require provable dependability.
+
+    1 tab == 4 spaces!
+*/
+
+#ifndef FREERTOS_CONFIG_H
+#define FREERTOS_CONFIG_H
+
+/*-----------------------------------------------------------
+ * Application specific definitions.
+ *
+ * These definitions should be adjusted for your particular hardware and
+ * application requirements.
+ *
+ * THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
+ * FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
+ *
+ * See http://www.freertos.org/a00110.html.
+ *----------------------------------------------------------*/
+
+/* Ensure stdint is only used by the compiler, and not the assembler. */
+#ifdef __ICCARM__
+	#include <stdint.h>
+	extern uint32_t SystemCoreClock;
+#endif
+
+#define configUSE_PREEMPTION					1
+#define configUSE_PORT_OPTIMISED_TASK_SELECTION	1
+#define configUSE_IDLE_HOOK						1
+#define configUSE_TICK_HOOK						1
+#define configCPU_CLOCK_HZ						( SystemCoreClock )
+#define configTICK_RATE_HZ						( ( portTickType ) 1000 )
+#define configMAX_PRIORITIES					( 5 )
+#define configMINIMAL_STACK_SIZE				( ( unsigned short ) 70 )
+#define configTOTAL_HEAP_SIZE					( ( size_t ) ( 10 * 1024 ) )
+#define configMAX_TASK_NAME_LEN					( 16 )
+#define configUSE_TRACE_FACILITY				1
+#define configUSE_16_BIT_TICKS					0
+#define configIDLE_SHOULD_YIELD					1
+#define configUSE_MUTEXES						1
+#define configQUEUE_REGISTRY_SIZE				5
+#define configCHECK_FOR_STACK_OVERFLOW			2
+#define configUSE_RECURSIVE_MUTEXES				0
+#define configUSE_MALLOC_FAILED_HOOK			1
+#define configUSE_APPLICATION_TASK_TAG			0
+
+/* Co-routine definitions. */
+#define configUSE_CO_ROUTINES 			0
+#define configMAX_CO_ROUTINE_PRIORITIES ( 2 )
+
+/* Set the following definitions to 1 to include the API function, or zero
+to exclude the API function. */
+
+#define INCLUDE_vTaskPrioritySet		1
+#define INCLUDE_uxTaskPriorityGet		1
+#define INCLUDE_vTaskDelete				1
+#define INCLUDE_vTaskCleanUpResources	0
+#define INCLUDE_vTaskSuspend			1
+#define INCLUDE_vTaskDelayUntil			1
+#define INCLUDE_vTaskDelay				1
+
+/* Use the system definition, if there is one */
+#ifdef __NVIC_PRIO_BITS
+	#define configPRIO_BITS       __NVIC_PRIO_BITS
+#else
+	#define configPRIO_BITS       4        /* 15 priority levels */
+#endif
+
+#define configLIBRARY_LOWEST_INTERRUPT_PRIORITY			15
+#define configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY	5
+
+/* The lowest priority. */
+#define configKERNEL_INTERRUPT_PRIORITY 	( configLIBRARY_LOWEST_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) )
+/* Priority 5, or 95 as only the top four bits are implemented. */
+/* !!!! configMAX_SYSCALL_INTERRUPT_PRIORITY must not be set to zero !!!!
+See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html. */
+#define configMAX_SYSCALL_INTERRUPT_PRIORITY 	( configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) )
+
+/* Run time stats related macros. */
+#define configGENERATE_RUN_TIME_STATS	0
+
+/* Definitions that map the FreeRTOS port interrupt handlers to their CMSIS
+standard names. */
+#define vPortSVCHandler SVC_Handler
+#define xPortPendSVHandler PendSV_Handler
+#define xPortSysTickHandler SysTick_Handler
+
+#endif /* FREERTOS_CONFIG_H */
+
diff --git a/FreeRTOS/Demo/CORTEX_STM32L152_Discovery_IAR/main.c b/FreeRTOS/Demo/CORTEX_STM32L152_Discovery_IAR/main.c
index 19d932442..8fc39d7a1 100644
--- a/FreeRTOS/Demo/CORTEX_STM32L152_Discovery_IAR/main.c
+++ b/FreeRTOS/Demo/CORTEX_STM32L152_Discovery_IAR/main.c
@@ -1,3 +1,436 @@
+/*
+    FreeRTOS V7.6.0 - Copyright (C) 2013 Real Time Engineers Ltd.
+    All rights reserved
+
+    VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
+
+    ***************************************************************************
+     *                                                                       *
+     *    FreeRTOS provides completely free yet professionally developed,    *
+     *    robust, strictly quality controlled, supported, and cross          *
+     *    platform software that has become a de facto standard.             *
+     *                                                                       *
+     *    Help yourself get started quickly and support the FreeRTOS         *
+     *    project by purchasing a FreeRTOS tutorial book, reference          *
+     *    manual, or both from: http://www.FreeRTOS.org/Documentation        *
+     *                                                                       *
+     *    Thank you!                                                         *
+     *                                                                       *
+    ***************************************************************************
+
+    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.  Full license text is available from the following
+    link: http://www.freertos.org/a00114.html
+
+    1 tab == 4 spaces!
+
+    ***************************************************************************
+     *                                                                       *
+     *    Having a problem?  Start by reading the FAQ "My application does   *
+     *    not run, what could be wrong?"                                     *
+     *                                                                       *
+     *    http://www.FreeRTOS.org/FAQHelp.html                               *
+     *                                                                       *
+    ***************************************************************************
+
+    http://www.FreeRTOS.org - Documentation, books, training, latest versions,
+    license and Real Time Engineers Ltd. contact details.
+
+    http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
+    including FreeRTOS+Trace - an indispensable productivity tool, a DOS
+    compatible FAT file system, and our tiny thread aware UDP/IP stack.
+
+    http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
+    Integrity Systems to sell under the OpenRTOS brand.  Low cost OpenRTOS
+    licenses offer ticketed support, indemnification and middleware.
+
+    http://www.SafeRTOS.com - High Integrity Systems also provide a safety
+    engineered and independently SIL3 certified version for use in safety and
+    mission critical applications that require provable dependability.
+
+    1 tab == 4 spaces!
+*/
+
+/*
+    FreeRTOS V7.6.0 - Copyright (C) 2013 Real Time Engineers Ltd.
+    All rights reserved
+
+    VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
+
+    ***************************************************************************
+     *                                                                       *
+     *    FreeRTOS provides completely free yet professionally developed,    *
+     *    robust, strictly quality controlled, supported, and cross          *
+     *    platform software that has become a de facto standard.             *
+     *                                                                       *
+     *    Help yourself get started quickly and support the FreeRTOS         *
+     *    project by purchasing a FreeRTOS tutorial book, reference          *
+     *    manual, or both from: http://www.FreeRTOS.org/Documentation        *
+     *                                                                       *
+     *    Thank you!                                                         *
+     *                                                                       *
+    ***************************************************************************
+
+    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.  Full license text is available from the following
+    link: http://www.freertos.org/a00114.html
+
+    1 tab == 4 spaces!
+
+    ***************************************************************************
+     *                                                                       *
+     *    Having a problem?  Start by reading the FAQ "My application does   *
+     *    not run, what could be wrong?"                                     *
+     *                                                                       *
+     *    http://www.FreeRTOS.org/FAQHelp.html                               *
+     *                                                                       *
+    ***************************************************************************
+
+    http://www.FreeRTOS.org - Documentation, books, training, latest versions,
+    license and Real Time Engineers Ltd. contact details.
+
+    http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
+    including FreeRTOS+Trace - an indispensable productivity tool, a DOS
+    compatible FAT file system, and our tiny thread aware UDP/IP stack.
+
+    http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
+    Integrity Systems to sell under the OpenRTOS brand.  Low cost OpenRTOS
+    licenses offer ticketed support, indemnification and middleware.
+
+    http://www.SafeRTOS.com - High Integrity Systems also provide a safety
+    engineered and independently SIL3 certified version for use in safety and
+    mission critical applications that require provable dependability.
+
+    1 tab == 4 spaces!
+*/
+
+/* Kernel includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+#include "queue.h"
+
+/* ST library functions. */
+#include "stm32l1xx.h"
+#include "discover_board.h"
+#include "discover_functions.h"
+
+/* Priorities at which the Rx and Tx tasks are created. */
+#define configQUEUE_RECEIVE_TASK_PRIORITY	( tskIDLE_PRIORITY + 1 )
+#define	configQUEUE_SEND_TASK_PRIORITY		( tskIDLE_PRIORITY + 2 )
+
+/* The number of items the queue can hold.  This is 1 as the Rx task will
+remove items as they are added so the Tx task should always find the queue
+empty. */
+#define mainQUEUE_LENGTH					( 1 )
+
+/* The LED used to indicate that a value has been received on the queue. */
+#define mainQUEUE_LED						( 0 )
+
+/* The rate at which the Tx task sends to the queue. */
+#define mainTX_DELAY						( 500UL / portTICK_RATE_MS )
+
+/* A block time of zero simply means "don't block". */
+#define mainDONT_BLOCK						( 0 )
+
+/* The value that is sent from the Tx task to the Rx task on the queue. */
+#define mainQUEUED_VALUE					( 100UL )
+
+/* The length of time the LED will remain on for.  It is on just long enough
+to be able to see with the human eye so as not to distort the power readings too
+much. */
+#define mainLED_TOGGLE_DELAY				( 20 / portTICK_RATE_MS )
+
+/*-----------------------------------------------------------*/
+
+/*
+ * The Rx and Tx tasks as described at the top of this file.
+ */
+static void prvQueueReceiveTask( void *pvParameters );
+static void prvQueueSendTask( void *pvParameters );
+
+/*-----------------------------------------------------------*/
+
+/* The queue to pass data from the Tx task to the Rx task. */
+static xQueueHandle xQueue = NULL;
+
+/*
+ * Set up the hardware ready to run this demo.
+ */
+static void prvSetupHardware( void );
+
+/*-----------------------------------------------------------*/
+
+int main( void )
+{
+	prvSetupHardware();
+
+	/* Create the queue. */
+	xQueue = xQueueCreate( mainQUEUE_LENGTH, sizeof( unsigned long ) );
+	configASSERT( xQueue );
+
+	/* Start the two tasks as described at the top of this file. */
+	xTaskCreate( prvQueueReceiveTask, ( const signed char * const ) "Rx", configMINIMAL_STACK_SIZE, NULL, configQUEUE_RECEIVE_TASK_PRIORITY, NULL );
+	xTaskCreate( prvQueueSendTask, ( const signed char * const ) "TX", configMINIMAL_STACK_SIZE, NULL, configQUEUE_SEND_TASK_PRIORITY, NULL );
+
+	/* Start the scheduler running running. */
+	vTaskStartScheduler();
+
+	/* If all is well the next line of code will not be reached as the
+	scheduler will be running.  If the next line is reached then it is likely
+	there was insufficient FreeRTOS heap available for the idle task and/or
+	timer task to be created.  See http://www.freertos.org/a00111.html. */
+	for( ;; );
+}
+/*-----------------------------------------------------------*/
+
+static void prvQueueSendTask( void *pvParameters )
+{
+const unsigned long ulValueToSend = mainQUEUED_VALUE;
+
+	/* Remove compiler warning about unused parameter. */
+	( void ) pvParameters;
+
+	for( ;; )
+	{
+		/* Place this task into the blocked state until it is time to run again.
+		The kernel will place the MCU into the Retention low power sleep state
+		when the idle task next runs. */
+		vTaskDelay( mainTX_DELAY );
+
+		/* Send to the queue - causing the queue receive task to flash its LED.
+		It should not be necessary to block on the queue send because the Rx
+		task will already have removed the last queued item. */
+		xQueueSend( xQueue, &ulValueToSend, mainDONT_BLOCK );
+	}
+}
+/*-----------------------------------------------------------*/
+
+static void prvQueueReceiveTask( void *pvParameters )
+{
+unsigned long ulReceivedValue;
+
+	/* Remove compiler warning about unused parameter. */
+	( void ) pvParameters;
+
+	for( ;; )
+	{
+		/* Wait until something arrives in the queue. */
+		xQueueReceive( xQueue, &ulReceivedValue, portMAX_DELAY );
+
+		/*  To get here something must have arrived, but is it the expected
+		value?  If it is, turn the LED on for a short while. */
+		if( ulReceivedValue == mainQUEUED_VALUE )
+		{
+			GPIO_HIGH( LD_GPIO_PORT, LD_GREEN_GPIO_PIN );
+			vTaskDelay( mainLED_TOGGLE_DELAY );
+			GPIO_LOW( LD_GPIO_PORT, LD_GREEN_GPIO_PIN );
+		}
+	}
+}
+/*-----------------------------------------------------------*/
+
+static void prvSetupHardware( void )
+{
+/* GPIO, EXTI and NVIC Init structure declaration */
+GPIO_InitTypeDef GPIO_InitStructure;
+EXTI_InitTypeDef EXTI_InitStructure;
+NVIC_InitTypeDef NVIC_InitStructure;
+void SystemCoreClockUpdate( void );
+
+	SystemCoreClockUpdate();
+
+	/* Essential on STM32 Cortex-M devices. */
+	NVIC_PriorityGroupConfig( NVIC_PriorityGroup_4 );
+
+	/* Enable HSI Clock */
+	RCC_HSICmd(ENABLE);
+
+	/*!< Wait till HSI is ready */
+	while( RCC_GetFlagStatus( RCC_FLAG_HSIRDY ) == RESET );
+
+	/* Set HSI as sys clock*/
+	RCC_SYSCLKConfig( RCC_SYSCLKSource_HSI );
+
+	/* Set MSI clock range to ~4.194MHz*/
+	RCC_MSIRangeConfig( RCC_MSIRange_6 );
+
+	/* Enable the GPIOs clocks */
+	RCC_AHBPeriphClockCmd( RCC_AHBPeriph_GPIOA | RCC_AHBPeriph_GPIOB | RCC_AHBPeriph_GPIOC| RCC_AHBPeriph_GPIOD| RCC_AHBPeriph_GPIOE| RCC_AHBPeriph_GPIOH, ENABLE );
+
+	/* Enable comparator, PWR mngt clocks */
+	RCC_APB1PeriphClockCmd( RCC_APB1Periph_COMP | RCC_APB1Periph_PWR,ENABLE );
+
+	/* Enable ADC & SYSCFG clocks */
+	RCC_APB2PeriphClockCmd( RCC_APB2Periph_SYSCFG , ENABLE );
+
+	/* Allow access to the RTC */
+	PWR_RTCAccessCmd( ENABLE );
+
+	/* Reset RTC Backup Domain */
+	RCC_RTCResetCmd( ENABLE );
+	RCC_RTCResetCmd( DISABLE );
+
+	/* LSE Enable */
+	RCC_LSEConfig( RCC_LSE_ON );
+
+	/* Wait until LSE is ready */
+	while( RCC_GetFlagStatus( RCC_FLAG_LSERDY ) == RESET );
+
+	/* RTC Clock Source Selection */
+	RCC_RTCCLKConfig( RCC_RTCCLKSource_LSE );
+
+	/* Enable the RTC */
+	RCC_RTCCLKCmd( ENABLE );
+
+	/* Disable HSE */
+	RCC_HSEConfig( RCC_HSE_OFF );
+
+	if( RCC_GetFlagStatus( RCC_FLAG_HSERDY ) != RESET )
+	{
+		/* Stay in infinite loop if HSE is not disabled*/
+		while( 1 );
+	}
+
+	/* Set internal voltage regulator to 1.8V */
+	PWR_VoltageScalingConfig( PWR_VoltageScaling_Range1 );
+
+	/* Wait Until the Voltage Regulator is ready */
+	while( PWR_GetFlagStatus( PWR_FLAG_VOS ) != RESET );
+
+	/* Configure User Button pin as input */
+	GPIO_InitStructure.GPIO_Pin = USERBUTTON_GPIO_PIN;
+	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
+	GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
+	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
+	GPIO_Init( USERBUTTON_GPIO_PORT, &GPIO_InitStructure );
+
+	/* Select User Button pin as input source for EXTI Line */
+	SYSCFG_EXTILineConfig( EXTI_PortSourceGPIOA,EXTI_PinSource0 );
+
+	/* Configure EXT1 Line 0 in interrupt mode trigged on Rising edge */
+	EXTI_InitStructure.EXTI_Line = EXTI_Line0 ;  /* PA0 for User button AND IDD_WakeUP */
+	EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
+	EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
+	EXTI_InitStructure.EXTI_LineCmd = ENABLE;
+	EXTI_Init( &EXTI_InitStructure );
+
+	/* Enable and set EXTI0 Interrupt to the lowest priority */
+	NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;
+	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = configLIBRARY_LOWEST_INTERRUPT_PRIORITY;
+	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
+	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+	NVIC_Init( &NVIC_InitStructure );
+
+	/* Configure the LED_pin as output push-pull for LD3 & LD4 usage */
+	GPIO_InitStructure.GPIO_Pin = LD_GREEN_GPIO_PIN | LD_BLUE_GPIO_PIN;
+	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
+	GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+	GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
+	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
+	GPIO_Init( LD_GPIO_PORT, &GPIO_InitStructure );
+
+	/* Force a low level on LEDs */
+	GPIO_LOW( LD_GPIO_PORT, LD_GREEN_GPIO_PIN );
+	GPIO_LOW( LD_GPIO_PORT, LD_BLUE_GPIO_PIN );
+}
+/*-----------------------------------------------------------*/
+
+void vApplicationMallocFailedHook( void )
+{
+	/* vApplicationMallocFailedHook() will only be called if
+	configUSE_MALLOC_FAILED_HOOK is set to 1 in FreeRTOSConfig.h.  It is a hook
+	function that will get called if a call to pvPortMalloc() fails.
+	pvPortMalloc() is called internally by the kernel whenever a task, queue,
+	timer or semaphore is created.  It is also called by various parts of the
+	demo application.  If heap_1.c or heap_2.c are used, then the size of the
+	heap available to pvPortMalloc() is defined by configTOTAL_HEAP_SIZE in
+	FreeRTOSConfig.h, and the xPortGetFreeHeapSize() API function can be used
+	to query the size of free heap space that remains (although it does not
+	provide information on how the remaining heap might be fragmented). */
+	taskDISABLE_INTERRUPTS();
+	for( ;; );
+}
+/*-----------------------------------------------------------*/
+
+void vApplicationIdleHook( void )
+{
+	/* vApplicationIdleHook() will only be called if configUSE_IDLE_HOOK is set
+	to 1 in FreeRTOSConfig.h.  It will be called on each iteration of the idle
+	task.  It is essential that code added to this hook function never attempts
+	to block in any way (for example, call xQueueReceive() with a block time
+	specified, or call vTaskDelay()).  If the application makes use of the
+	vTaskDelete() API function (as this demo application does) then it is also
+	important that vApplicationIdleHook() is permitted to return to its calling
+	function, because it is the responsibility of the idle task to clean up
+	memory allocated by the kernel to any task that has since been deleted. */
+}
+/*-----------------------------------------------------------*/
+
+void vApplicationStackOverflowHook( xTaskHandle pxTask, signed char *pcTaskName )
+{
+	( void ) pcTaskName;
+	( void ) pxTask;
+
+	/* Run time stack overflow checking is performed if
+	configCHECK_FOR_STACK_OVERFLOW is defined to 1 or 2.  This hook
+	function is called if a stack overflow is detected. */
+	taskDISABLE_INTERRUPTS();
+	for( ;; );
+}
+/*-----------------------------------------------------------*/
+
+void vApplicationTickHook( void )
+{
+	/* This function will be called by each tick interrupt if
+	configUSE_TICK_HOOK is set to 1 in FreeRTOSConfig.h.  User code can be
+	added here, but the tick hook is called from an interrupt context, so
+	code must not attempt to block, and only the interrupt safe FreeRTOS API
+	functions can be used (those that end in FromISR()). */
+}
+/*-----------------------------------------------------------*/
+
+void vAssertCalled( void )
+{
+volatile unsigned long ul = 0;
+
+	taskENTER_CRITICAL();
+	{
+		/* Set ul to a non-zero value using the debugger to step out of this
+		function. */
+		while( ul == 0 )
+		{
+			__asm volatile( "NOP" );
+		}
+	}
+	taskEXIT_CRITICAL();
+}
+
+
+#if 0
 /**
   ******************************************************************************
   * @file    main.c
@@ -17,7 +450,7 @@
   *
   * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
   */
- 
+
 /* Includes ------------------------------------------------------------------*/
 
 #include "main.h"
@@ -34,7 +467,7 @@ extern uint8_t t_bar[2];              /* LCD bar graph: used for displaying acti
 extern bool self_test;                /* Auto_test activation flag: set by interrupt handler if user button is pressed for a few seconds */
 extern bool Idd_WakeUP;               /* */
 extern volatile bool KeyPressed;      /* */
-extern bool UserButton;               /* Set by interrupt handler to indicate that user button is pressed */ 
+extern bool UserButton;               /* Set by interrupt handler to indicate that user button is pressed */
 uint8_t state_machine;                /* Machine status used by main() wich indicats the active function, set by user button in interrupt handler */
 uint16_t Int_CurrentSTBY;             /* */
 
@@ -51,41 +484,41 @@ uint16_t Int_CurrentSTBY;             /* */
   * @par Required preconditions: None
   */
 int main(void)
-{ 
+{
   bool StanbyWakeUp ;
   float Current_STBY;
   __IO uint32_t BOROptionBytes = 0;
-	
- /*!< At this stage the microcontroller clock setting is already configured, 
+
+ /*!< At this stage the microcontroller clock setting is already configured,
        this is done through SystemInit() function which is called from startup
        file (startup_stm32l1xx_md.s) before to branch to application main.
        To reconfigure the default setting of SystemInit() function, refer to
        system_stm32l1xx.c file
-     */ 
-  
+     */
+
   /* store Standby Current*/
   Int_CurrentSTBY = Current_Measurement();
-  
+
   /* Check if the StandBy flag is set */
   if (PWR_GetFlagStatus(PWR_FLAG_SB) != RESET)
   {
     /* System resumed from STANDBY mode */
     /* Clear StandBy flag */
     RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR,ENABLE);
-    PWR_ClearFlag(PWR_FLAG_SB); 
+    PWR_ClearFlag(PWR_FLAG_SB);
     /* set StandbyWakeup indicator*/
     StanbyWakeUp = TRUE;
   } else
   {
     /* Reset StandbyWakeup indicator*/
-    StanbyWakeUp = FALSE;    
-  } 
+    StanbyWakeUp = FALSE;
+  }
 
 	#ifdef BOR_MODIFY
   /* Get BOR Option Bytes */
   BOROptionBytes = FLASH_OB_GetBOR();
 
-  if((BOROptionBytes & 0x0F) != BOR_LEVEL) 
+  if((BOROptionBytes & 0x0F) != BOR_LEVEL)
   {
     /* Unlocks the option bytes block access */
     FLASH_OB_Unlock();
@@ -95,44 +528,44 @@ int main(void)
                   | FLASH_FLAG_SIZERR | FLASH_FLAG_OPTVERR);
 
     /* Select the desired V(BOR) Level ---------------------------------------*/
-    FLASH_OB_BORConfig(BOR_LEVEL); 
+    FLASH_OB_BORConfig(BOR_LEVEL);
 
     /* Launch the option byte loading */
-    FLASH_OB_Launch();  
+    FLASH_OB_Launch();
   }
-#endif  
-  
+#endif
+
   /* Configure Clocks for Application need */
   RCC_Configuration();
-  
+
   /* Set internal voltage regulator to 1.8V */
   PWR_VoltageScalingConfig(PWR_VoltageScaling_Range1);
-  
+
   /* Wait Until the Voltage Regulator is ready */
   while (PWR_GetFlagStatus(PWR_FLAG_VOS) != RESET) ;
-  
+
   /* Init I/O ports */
   Init_GPIOs();
-  
+
   /* Initializes ADC */
   ADC_Icc_Init();
-  
+
   /* Enable General interrupts */
-  enableGlobalInterrupts();	
-  
-  /* Init Touch Sensing configuration */  
+  enableGlobalInterrupts();
+
+  /* Init Touch Sensing configuration */
   TSL_user_Init();
 
   /* Initializes the LCD glass */
   LCD_GLASS_Init();
-        
+
   /* Reset Keypressed flag used in interrupt and Scrollsentence */
   KeyPressed = FALSE;
 
-  /* user button actif */  
+  /* user button actif */
   UserButton = TRUE;
-  	 
-  /* Check if User button press at Power ON  */	
+
+  /* Check if User button press at Power ON  */
   if ((USERBUTTON_GPIO_PORT->IDR & USERBUTTON_GPIO_PIN) != 0x0)
   {
     /* Measure operational amplifier bias current and store value in E²Prom for application need*/
@@ -141,11 +574,11 @@ int main(void)
 
   /* Standard application startup */
   if ( !StanbyWakeUp )
-  {    
+  {
     /* Reset autotest flag stored in memory */
     AUTOTEST(FALSE) ;
 
-		/* Display Welcome message */ 
+		/* Display Welcome message */
     LCD_GLASS_ScrollSentence(message,1,SCROLL_SPEED);
     if (!KeyPressed)
     {
@@ -156,7 +589,7 @@ int main(void)
       TEMPO;
       TEMPO;
       TEMPO;
-      LCD_BlinkConfig(LCD_BlinkMode_Off,LCD_BlinkFrequency_Div32);	
+      LCD_BlinkConfig(LCD_BlinkMode_Off,LCD_BlinkFrequency_Div32);
     }
   /* Wake up from Standby or autotest */
   }  else  {
@@ -164,14 +597,14 @@ int main(void)
     if (self_test)
     {
       /* Wake UP: Return of RESET by Auto test */
-      auto_test_part2(); 
+      auto_test_part2();
     } else {
       /* Wake UP: Return of RESET by Current STAND BY measurement */
       LCD_GLASS_ScrollSentence("     STANDBY WAKEUP",1,SCROLL_SPEED);
       /* Substract bias current from operational amplifier*/
       if ( Int_CurrentSTBY > Bias_Current )
         Int_CurrentSTBY -= Bias_Current;
-      Current_STBY = Int_CurrentSTBY * Vdd_appli()/ADC_CONV;  
+      Current_STBY = Int_CurrentSTBY * Vdd_appli()/ADC_CONV;
       Current_STBY *= 20L;
       display_MuAmp((uint32_t)Current_STBY);
       /* Wait for user button press to continue */
@@ -179,15 +612,15 @@ int main(void)
     }
   }
   /* Reset KeyPress Flag */
-  KeyPressed = FALSE; 
+  KeyPressed = FALSE;
   /* Clear LCD bars */
   BAR0_OFF;
   BAR1_OFF;
   BAR2_OFF;
-  BAR3_OFF;	
+  BAR3_OFF;
   /* Switch off the leds*/
-  GPIO_HIGH(LD_GPIO_PORT,LD_GREEN_GPIO_PIN);	
-  GPIO_LOW(LD_GPIO_PORT,LD_BLUE_GPIO_PIN);	
+  GPIO_HIGH(LD_GPIO_PORT,LD_GREEN_GPIO_PIN);
+  GPIO_LOW(LD_GPIO_PORT,LD_BLUE_GPIO_PIN);
   /* Set application state machine to VREF state  */
   state_machine = STATE_VREF ;
   /*Until application reset*/
@@ -206,7 +639,7 @@ int main(void)
           Vref_measure();
           TEMPO ;
         break;
-        
+
         /* Slider Value State : Display the TS slider value */
         case STATE_SLIDER_VALUE:
 
@@ -216,16 +649,16 @@ int main(void)
             ProcessSensors(); // Execute sensors related tasks
           }
         break;
-        
+
         /* Slider button State : Display the curent TS button pressed  */
-        case STATE_SLIDER_BUTTON: 
+        case STATE_SLIDER_BUTTON:
         // Execute STMTouch Driver state machine
         if (TSL_user_Action() == TSL_STATUS_OK)
           {
             ProcessSensorsButtons(); // Execute sensors related tasks
-          }    
+          }
           break;
-        
+
         /* ICC RUN State : ICC mesurements in Run and Sleep modes   */
         case STATE_ICC_RUN:
           LCD_GLASS_DisplayString(" RUN  ");
@@ -237,13 +670,13 @@ int main(void)
           TEMPO;
           LCD_GLASS_DisplayString(" SLEEP ");
           TEMPO;
-          Icc_SLEEP(); 
+          Icc_SLEEP();
           TEMPO;
           TEMPO;
           TEMPO;
           TEMPO;
         break;
-        
+
         /* ICC LOW POWER RUN State : ICC mesurements in LowPower run and LowPower Sleep modes */
         case STATE_ICC_LP_RUN:
           LCD_GLASS_DisplayString("LP RUN");
@@ -259,9 +692,9 @@ int main(void)
           TEMPO;
           TEMPO;
           TEMPO;
-          TEMPO;         
+          TEMPO;
         break;
-        
+
         /* ICC STOP  State : ICC mesurements in Stop and STOP NoRTC modes */
         case STATE_ICC_STOP:
           LCD_GLASS_DisplayString(" STOP ");
@@ -270,26 +703,26 @@ int main(void)
           TEMPO;
           TEMPO;
           TEMPO;
-          TEMPO;         
+          TEMPO;
           LCD_GLASS_DisplayString("SP-NRTC");
           TEMPO;
           Icc_Stop_NoRTC();
           TEMPO;
           TEMPO;
           TEMPO;
-          TEMPO;      
+          TEMPO;
           break;
-        
+
         /* ICC Standby  State : ICC mesurements in Standby mode */
         case STATE_ICC_STBY:
           LCD_GLASS_DisplayString("STBY  ");
           TEMPO;
-          TEMPO; 
+          TEMPO;
         ADC_Icc_Test(MCU_STBY);
-        /* Following break never performed dues to software reset in previous function */       
+        /* Following break never performed dues to software reset in previous function */
         break;
-           
-        /* for safe: normaly never reaches */ 			
+
+        /* for safe: normaly never reaches */
         default:
           LCD_GLASS_Clear();
           LCD_GLASS_DisplayString("ERROR");
@@ -298,7 +731,7 @@ int main(void)
       /* Reset KeyPress flag*/
       KeyPressed = FALSE;
     }
-}		
+}
 
 /**
   * @brief  Configures the different system clocks.
@@ -306,25 +739,25 @@ int main(void)
   * @retval None
   */
 void RCC_Configuration(void)
-{  
+{
   /* Enable HSI Clock */
   RCC_HSICmd(ENABLE);
-  
+
   /*!< Wait till HSI is ready */
   while (RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);
 
   /* Set HSI as sys clock*/
   RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);
-  
+
   /* Set MSI clock range to ~4.194MHz*/
   RCC_MSIRangeConfig(RCC_MSIRange_6);
-  
+
   /* Enable the GPIOs clocks */
-  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA | RCC_AHBPeriph_GPIOB | RCC_AHBPeriph_GPIOC| RCC_AHBPeriph_GPIOD| RCC_AHBPeriph_GPIOE| RCC_AHBPeriph_GPIOH, ENABLE);     
+  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA | RCC_AHBPeriph_GPIOB | RCC_AHBPeriph_GPIOC| RCC_AHBPeriph_GPIOD| RCC_AHBPeriph_GPIOE| RCC_AHBPeriph_GPIOH, ENABLE);
 
   /* Enable comparator, LCD and PWR mngt clocks */
   RCC_APB1PeriphClockCmd(RCC_APB1Periph_COMP | RCC_APB1Periph_LCD | RCC_APB1Periph_PWR,ENABLE);
-    
+
   /* Enable ADC & SYSCFG clocks */
   RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_SYSCFG , ENABLE);
 
@@ -340,19 +773,19 @@ void RCC_Configuration(void)
 
   /* Wait until LSE is ready */
   while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET);
-  
-   /* RTC Clock Source Selection */ 
-  RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE); 
-  
+
+   /* RTC Clock Source Selection */
+  RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
+
   /* Enable the RTC */
-  RCC_RTCCLKCmd(ENABLE);   
-  
+  RCC_RTCCLKCmd(ENABLE);
+
   /*Disable HSE*/
   RCC_HSEConfig(RCC_HSE_OFF);
   if(RCC_GetFlagStatus(RCC_FLAG_HSERDY) != RESET )
   {
     /* Stay in infinite loop if HSE is not disabled*/
-    while(1); 
+    while(1);
   }
 }
 
@@ -368,7 +801,7 @@ void  Init_GPIOs (void)
   GPIO_InitTypeDef GPIO_InitStructure;
   EXTI_InitTypeDef EXTI_InitStructure;
   NVIC_InitTypeDef NVIC_InitStructure;
-  
+
   /* Configure User Button pin as input */
   GPIO_InitStructure.GPIO_Pin = USERBUTTON_GPIO_PIN;
   GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
@@ -382,7 +815,7 @@ void  Init_GPIOs (void)
   /* Configure EXT1 Line 0 in interrupt mode trigged on Rising edge */
   EXTI_InitStructure.EXTI_Line = EXTI_Line0 ;  // PA0 for User button AND IDD_WakeUP
   EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
-  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;  
+  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
   EXTI_InitStructure.EXTI_LineCmd = ENABLE;
   EXTI_Init(&EXTI_InitStructure);
 
@@ -391,7 +824,7 @@ void  Init_GPIOs (void)
   NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
   NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
   NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
-  NVIC_Init(&NVIC_InitStructure); 
+  NVIC_Init(&NVIC_InitStructure);
 
   /* Configure the LED_pin as output push-pull for LD3 & LD4 usage*/
   GPIO_InitStructure.GPIO_Pin = LD_GREEN_GPIO_PIN | LD_BLUE_GPIO_PIN;
@@ -400,23 +833,23 @@ void  Init_GPIOs (void)
   GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
   GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
   GPIO_Init(LD_GPIO_PORT, &GPIO_InitStructure);
-  
-  /* Force a low level on LEDs*/ 
-  GPIO_LOW(LD_GPIO_PORT,LD_GREEN_GPIO_PIN);	
+
+  /* Force a low level on LEDs*/
+  GPIO_LOW(LD_GPIO_PORT,LD_GREEN_GPIO_PIN);
   GPIO_LOW(LD_GPIO_PORT,LD_BLUE_GPIO_PIN);
-    
+
 /* Counter enable: GPIO set in output for enable the counter */
   GPIO_InitStructure.GPIO_Pin = CTN_CNTEN_GPIO_PIN;
   GPIO_Init( CTN_GPIO_PORT, &GPIO_InitStructure);
-  
+
 /* To prepare to start counter */
   GPIO_HIGH(CTN_GPIO_PORT,CTN_CNTEN_GPIO_PIN);
-      
+
 /* Configure Port A LCD Output pins as alternate function */
   GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_8 | GPIO_Pin_9 |GPIO_Pin_10 |GPIO_Pin_15;
   GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
   GPIO_Init( GPIOA, &GPIO_InitStructure);
-  
+
 /* Select LCD alternate function for Port A LCD Output pins */
   GPIO_PinAFConfig(GPIOA, GPIO_PinSource1,GPIO_AF_LCD) ;
   GPIO_PinAFConfig(GPIOA, GPIO_PinSource2,GPIO_AF_LCD) ;
@@ -424,14 +857,14 @@ void  Init_GPIOs (void)
   GPIO_PinAFConfig(GPIOA, GPIO_PinSource8,GPIO_AF_LCD) ;
   GPIO_PinAFConfig(GPIOA, GPIO_PinSource9,GPIO_AF_LCD) ;
   GPIO_PinAFConfig(GPIOA, GPIO_PinSource10,GPIO_AF_LCD) ;
-  GPIO_PinAFConfig(GPIOA, GPIO_PinSource15,GPIO_AF_LCD) ;  
-  
-  /* Configure Port B LCD Output pins as alternate function */ 
+  GPIO_PinAFConfig(GPIOA, GPIO_PinSource15,GPIO_AF_LCD) ;
+
+  /* Configure Port B LCD Output pins as alternate function */
   GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_8 | GPIO_Pin_9 \
-                                 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;  
+                                 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
   GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
   GPIO_Init( GPIOB, &GPIO_InitStructure);
-  
+
   /* Select LCD alternate function for Port B LCD Output pins */
   GPIO_PinAFConfig(GPIOB, GPIO_PinSource3,GPIO_AF_LCD) ;
   GPIO_PinAFConfig(GPIOB, GPIO_PinSource4,GPIO_AF_LCD) ;
@@ -439,35 +872,35 @@ void  Init_GPIOs (void)
   GPIO_PinAFConfig(GPIOB, GPIO_PinSource8,GPIO_AF_LCD) ;
   GPIO_PinAFConfig(GPIOB, GPIO_PinSource9,GPIO_AF_LCD) ;
   GPIO_PinAFConfig(GPIOB, GPIO_PinSource10,GPIO_AF_LCD) ;
-  GPIO_PinAFConfig(GPIOB, GPIO_PinSource11,GPIO_AF_LCD) ;  
+  GPIO_PinAFConfig(GPIOB, GPIO_PinSource11,GPIO_AF_LCD) ;
   GPIO_PinAFConfig(GPIOB, GPIO_PinSource12,GPIO_AF_LCD) ;
-  GPIO_PinAFConfig(GPIOB, GPIO_PinSource13,GPIO_AF_LCD) ;   
+  GPIO_PinAFConfig(GPIOB, GPIO_PinSource13,GPIO_AF_LCD) ;
   GPIO_PinAFConfig(GPIOB, GPIO_PinSource14,GPIO_AF_LCD) ;
-  GPIO_PinAFConfig(GPIOB, GPIO_PinSource15,GPIO_AF_LCD) ;   
-  
-  /* Configure Port C LCD Output pins as alternate function */ 
+  GPIO_PinAFConfig(GPIOB, GPIO_PinSource15,GPIO_AF_LCD) ;
+
+  /* Configure Port C LCD Output pins as alternate function */
   GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_6 \
-                                 | GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 |GPIO_Pin_11 ;                               
+                                 | GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 |GPIO_Pin_11 ;
   GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
-  GPIO_Init( GPIOC, &GPIO_InitStructure);  
+  GPIO_Init( GPIOC, &GPIO_InitStructure);
 
   /* Select LCD alternate function for Port B LCD Output pins */
   GPIO_PinAFConfig(GPIOC, GPIO_PinSource0,GPIO_AF_LCD) ;
-  GPIO_PinAFConfig(GPIOC, GPIO_PinSource1,GPIO_AF_LCD) ; 
+  GPIO_PinAFConfig(GPIOC, GPIO_PinSource1,GPIO_AF_LCD) ;
   GPIO_PinAFConfig(GPIOC, GPIO_PinSource2,GPIO_AF_LCD) ;
   GPIO_PinAFConfig(GPIOC, GPIO_PinSource3,GPIO_AF_LCD) ;
   GPIO_PinAFConfig(GPIOC, GPIO_PinSource6,GPIO_AF_LCD) ;
   GPIO_PinAFConfig(GPIOC, GPIO_PinSource7,GPIO_AF_LCD) ;
   GPIO_PinAFConfig(GPIOC, GPIO_PinSource8,GPIO_AF_LCD) ;
   GPIO_PinAFConfig(GPIOC, GPIO_PinSource9,GPIO_AF_LCD) ;
-  GPIO_PinAFConfig(GPIOC, GPIO_PinSource10,GPIO_AF_LCD) ; 
-  GPIO_PinAFConfig(GPIOC, GPIO_PinSource11,GPIO_AF_LCD) ;  
-  
+  GPIO_PinAFConfig(GPIOC, GPIO_PinSource10,GPIO_AF_LCD) ;
+  GPIO_PinAFConfig(GPIOC, GPIO_PinSource11,GPIO_AF_LCD) ;
+
   /* Configure ADC (IDD_MEASURE) pin as Analogue */
-  GPIO_InitStructure.GPIO_Pin = IDD_MEASURE  ;                               
+  GPIO_InitStructure.GPIO_Pin = IDD_MEASURE  ;
   GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
   GPIO_Init( IDD_MEASURE_PORT, &GPIO_InitStructure);
-}  
+}
 
 
 /**
@@ -515,7 +948,7 @@ void Delay(uint32_t nTime)
   * @retval None
   */
 void assert_failed(uint8_t* file, uint32_t line)
-{ 
+{
   /* User can add his own implementation to report the file name and line number,
      ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
   /* Infinite loop */
@@ -524,4 +957,11 @@ void assert_failed(uint8_t* file, uint32_t line)
 
 #endif
 
+void vApplicationStackOverflowHook( void )
+{
+}
+
 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
+
+#endif
+
diff --git a/FreeRTOS/Demo/CORTEX_STM32L152_Discovery_IAR/stm32l1xx_it.c b/FreeRTOS/Demo/CORTEX_STM32L152_Discovery_IAR/stm32l1xx_it.c
index fbe59c6ac..6a8e75211 100644
--- a/FreeRTOS/Demo/CORTEX_STM32L152_Discovery_IAR/stm32l1xx_it.c
+++ b/FreeRTOS/Demo/CORTEX_STM32L152_Discovery_IAR/stm32l1xx_it.c
@@ -1,11 +1,11 @@
 /**
   ******************************************************************************
-  * @file    Project/STM32L1xx_StdPeriph_Template/stm32l1xx_it.c 
+  * @file    Project/STM32L1xx_StdPeriph_Template/stm32l1xx_it.c
   * @author  MCD Application Team
   * @version V1.0.3
   * @date    May-2013
   * @brief   Main Interrupt Service Routines.
-  *          This file provides template for all exceptions handler and 
+  *          This file provides template for all exceptions handler and
   *          peripherals interrupt service routine.
   ******************************************************************************
   * @copy
@@ -18,7 +18,7 @@
   * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
   *
   * <h2><center>&copy; COPYRIGHT 2010 STMicroelectronics</center></h2>
-  */ 
+  */
 
 /* Includes ------------------------------------------------------------------*/
 #include "stm32l1xx_it.h"
@@ -105,17 +105,6 @@ void UsageFault_Handler(void)
   while (1);
 }
 
-/**
-  * @brief  This function handles SVCall exception.
-  * @param  None
-  * @retval None
-  */
-void SVC_Handler(void)
-{  
-  /* Go to infinite loop when Hard Fault exception occurs */
-  while (1);
-}
-
 /**
   * @brief  This function handles Debug Monitor exception.
   * @param  None
@@ -127,141 +116,9 @@ void DebugMon_Handler(void)
   while (1);
 }
 
-/**
-  * @brief  This function handles PendSVC exception.
-  * @param  None
-  * @retval None
-  */
-void PendSV_Handler(void)
-{
-    /* Go to infinite loop when Hard Fault exception occurs */
-  while (1);
-}
-
-/**
-  * @brief  This function handles SysTick interrupts.
-  * @param  None
-  * @retval None
-  */
-void SysTick_Handler(void)
-{
-//    disableGlobalInterrupts();
-//    TimingDelay_Decrement();
-//    enableGlobalInterrupts();
-  
-    TSL_tim_ProcessIT();
-}
-
-/**
-  * @brief  This function handles external interrupts generated by UserButton.
-  * @param  None
-  * @retval None
-  */
-void UserButtonHandler (void)
-{ 
-  uint32_t i=0;	
-   
-  /* set KeyPressed Flag */
-  KeyPressed = TRUE;  
-        
-  /* check if user button is pressed for 4 seconds (approx.) */
-    while ((USERBUTTON_GPIO_PORT->IDR & USERBUTTON_GPIO_PIN) == 1 )
-    {
-      i++;
-      if (i == 0x0100000)
-      {
-        /* set autotest flag in E²prom*/
-        AUTOTEST(TRUE) ; 
-        return;
-      }
-    }
- 
-  /* if autotest is set in E²prom exit interrupt handler */  
-  if (self_test)
-    return ;
-     
-  /* Go to next state of state machine*/
-    state_machine++;
-    if (state_machine == MAX_STATE)
-      state_machine = STATE_VREF;
-          
-    /* To update Bar graph & leds*/  
-    switch (state_machine)
-    {
-      case STATE_VREF:
-              GPIO_HIGH(LD_GPIO_PORT,LD_GREEN_GPIO_PIN);
-              GPIO_LOW(LD_GPIO_PORT,LD_BLUE_GPIO_PIN);
-              BAR0_OFF;
-              BAR1_OFF;
-              BAR2_OFF;
-              BAR3_OFF;
-              break;
-              
-      case STATE_SLIDER_VALUE:
-             GPIO_LOW(LD_GPIO_PORT,LD_BLUE_GPIO_PIN);	
-             GPIO_HIGH(LD_GPIO_PORT,LD_GREEN_GPIO_PIN);
-             break;
-              
-      case STATE_SLIDER_BUTTON:
-             GPIO_LOW(LD_GPIO_PORT,LD_GREEN_GPIO_PIN);	        
-             GPIO_HIGH(LD_GPIO_PORT,LD_BLUE_GPIO_PIN);
-             break;
-          
-      case STATE_ICC_RUN:
-              GPIO_LOW(LD_GPIO_PORT,LD_GREEN_GPIO_PIN);	
-              GPIO_LOW(LD_GPIO_PORT,LD_BLUE_GPIO_PIN);	        
-              BAR0_ON;
-              BAR1_OFF;
-              BAR2_OFF;
-              BAR3_OFF;
-              break;
-              
-      case STATE_ICC_LP_RUN:
-              GPIO_LOW(LD_GPIO_PORT,LD_GREEN_GPIO_PIN);	
-              GPIO_LOW(LD_GPIO_PORT,LD_BLUE_GPIO_PIN);	
-              BAR0_ON;
-              BAR1_ON;
-              BAR2_OFF;
-              BAR3_OFF;
-              break;
-
-      case STATE_ICC_STOP:
-              GPIO_LOW(LD_GPIO_PORT,LD_GREEN_GPIO_PIN);	
-              GPIO_LOW(LD_GPIO_PORT,LD_BLUE_GPIO_PIN);	
-              BAR0_ON;
-              BAR1_ON;
-              BAR2_ON;
-              BAR3_OFF;
-              break;              
-      
-      case STATE_ICC_STBY:
-              GPIO_LOW(LD_GPIO_PORT,LD_GREEN_GPIO_PIN);	
-              GPIO_LOW(LD_GPIO_PORT,LD_BLUE_GPIO_PIN);	
-              BAR0_ON;
-              BAR1_ON;
-              BAR2_ON;
-              BAR3_ON;
-              break;					
-    }	  
-}
-
 void EXTI0_IRQHandler(void)
 {
-  /* Disable general interrupts */
-  disableGlobalInterrupts();
-  
-  /* UserButton usage activated*/ 
-  if (UserButton)
-  {
-    UserButtonHandler();
-  }
-  else 
-  {
-    /*Idd_Wakeup detected */
-    Idd_WakeUP = TRUE;
-  }  
   EXTI_ClearITPendingBit(EXTI_Line0);
-  enableGlobalInterrupts();
 }
 
 
@@ -289,7 +146,7 @@ void RTC_WKUP_IRQHandler (void)
 
 /**
   * @}
-  */ 
+  */
 
 
 /******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/
-- 
2.39.5