Add a new learning note about how to get the free size of heap in Fre…

…eRTOS.

README.org

@@ -141,3 +141,6 @@ S32K144是NXP推出的车规级别的MCU，ARM架构的内核。芯片在设计
 *** FreeRTOS 守护程序启动监控
 - 参考代码: S32K144_022_FreeRTOS_DaemonTask
 - 总结分析的小结参考链接: https://blog.csdn.net/grey_csdn/article/details/104597473
+*** FreeRTOS heap剩余空间获取
+- 参考代码: S32K144_023_FreeRTOS_FreeHeap
+- 总结分析的小结参考链接: https://blog.csdn.net/grey_csdn/article/details/104599396

S32K144_023_FreeRTOS_FreeHeap/Generated_Code/Cpu.c

@@ -0,0 +1,77 @@
+/** ###################################################################
+**     This component module is generated by Processor Expert. Do not modify it.
+**     Filename    : Cpu.c
+**     Project     : FreeRTOS_printf_SDKv0_8_6
+**     Processor   : S32K144_100
+**     Component   : S32K144_100
+**     Version     : Component 01.197, Driver 01.00, CPU db: 3.00.000
+**     Datasheet   : S32K14XRM Rev. 2, 02/2017
+**     Compiler    : GNU C Compiler
+**     Date/Time   : 2018-03-19, 09:31, # CodeGen: 0
+**     Abstract    :
+**
+**     Settings    :
+**
+**     Contents    :
+**         SystemInit            - void SystemInit(void);
+**         SystemCoreClockUpdate - void SystemCoreClockUpdate(void);
+**         SystemSoftwareReset   - void SystemSoftwareReset(void);
+**
+**     (c) Freescale Semiconductor, Inc.
+**     2004 All Rights Reserved
+**
+**     Copyright 1997 - 2015 Freescale Semiconductor, Inc.
+**     Copyright 2016-2017 NXP
+**     All Rights Reserved.
+**     
+**     THIS SOFTWARE IS PROVIDED BY NXP "AS IS" AND ANY EXPRESSED OR
+**     IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+**     OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+**     IN NO EVENT SHALL NXP OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+**     INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+**     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+**     SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+**     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+**     STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+**     IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+**     THE POSSIBILITY OF SUCH DAMAGE.
+** ###################################################################*/
+/*!
+** @file Cpu.c
+** @version 01.00
+** @brief
+**
+*/
+/*!
+**  @addtogroup Cpu_module Cpu module documentation
+**  @{
+*/
+
+/* MODULE Cpu. */
+
+/* {Default RTOS Adapter} No RTOS includes */
+#include "Cpu.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* TBD Cpu configuration will be generated here. */
+
+#ifdef __cplusplus
+}
+#endif
+
+/* END Cpu. */
+
+/*!
+** @}
+*/
+/*
+** ###################################################################
+**
+**     This file was created by Processor Expert 10.1 [05.21]
+**     for the Freescale S32K series of microcontrollers.
+**
+** ###################################################################
+*/

S32K144_023_FreeRTOS_FreeHeap/Generated_Code/Cpu.h

@@ -0,0 +1,101 @@
+/* ###################################################################
+**     This component module is generated by Processor Expert. Do not modify it.
+**     Filename    : Cpu.h
+**     Project     : FreeRTOS_printf_SDKv0_8_6
+**     Processor   : S32K144_100
+**     Component   : S32K144_100
+**     Version     : Component 01.197, Driver 01.00, CPU db: 3.00.000
+**     Datasheet   : S32K14XRM Rev. 2, 02/2017
+**     Compiler    : GNU C Compiler
+**     Date/Time   : 2018-03-19, 10:25, # CodeGen: 2
+**     Abstract    :
+**
+**     Settings    :
+**
+**     Contents    :
+**         SystemInit            - void SystemInit(void);
+**         SystemCoreClockUpdate - void SystemCoreClockUpdate(void);
+**         SystemSoftwareReset   - void SystemSoftwareReset(void);
+**
+**     (c) Freescale Semiconductor, Inc.
+**     2004 All Rights Reserved
+**
+**     Copyright 1997 - 2015 Freescale Semiconductor, Inc.
+**     Copyright 2016-2017 NXP
+**     All Rights Reserved.
+**     
+**     THIS SOFTWARE IS PROVIDED BY NXP "AS IS" AND ANY EXPRESSED OR
+**     IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+**     OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+**     IN NO EVENT SHALL NXP OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+**     INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+**     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+**     SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+**     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+**     STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+**     IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+**     THE POSSIBILITY OF SUCH DAMAGE.
+** ###################################################################*/
+/*!
+** @file Cpu.h
+** @version 01.00
+** @brief
+**
+*/
+/*!
+**  @addtogroup Cpu_module Cpu module documentation
+**  @{
+*/
+
+#ifndef Cpu_H
+#define Cpu_H
+
+
+/* MODULE Cpu. */
+
+
+/*Include shared modules, which are used for whole project*/
+#include "device_registers.h"
+
+#include "clock_manager.h"
+#include "interrupt_manager.h"
+#include "edma_driver.h"
+#include "lpuart_driver.h"
+#include "system_S32K144.h"
+
+/* Including needed modules to compile this module/procedure */
+#include "pin_mux.h"
+#include "clockMan1.h"
+#include "FreeRTOS.h"
+#include "lpuart1.h"
+#include "dmaController1.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* TBD Cpu configuration will be declared here. */
+
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+/* END Cpu. */
+
+#endif
+/* Cpu_H */
+
+/*!
+** @}
+*/
+/*
+** ###################################################################
+**
+**     This file was created by Processor Expert 10.1 [05.21]
+**     for the Freescale S32K series of microcontrollers.
+**
+** ###################################################################
+*/

S32K144_023_FreeRTOS_FreeHeap/Generated_Code/FreeRTOSConfig.h

@@ -0,0 +1,202 @@
+/*
+    FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.
+    All rights reserved
+
+    VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
+
+    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 on the following
+    link: http://www.freertos.org/a00114.html
+
+    ***************************************************************************
+     *                                                                       *
+     *    FreeRTOS provides completely free yet professionally developed,    *
+     *    robust, strictly quality controlled, supported, and cross          *
+     *    platform software that is more than just the market leader, it     *
+     *    is the industry's de facto standard.                               *
+     *                                                                       *
+     *    Help yourself get started quickly while simultaneously helping     *
+     *    to support the FreeRTOS project by purchasing a FreeRTOS           *
+     *    tutorial book, reference manual, or both:                          *
+     *    http://www.FreeRTOS.org/Documentation                              *
+     *                                                                       *
+    ***************************************************************************
+
+    http://www.FreeRTOS.org/FAQHelp.html - Having a problem?  Start by reading
+    the FAQ page "My application does not run, what could be wrong?".  Have you
+    defined configASSERT()?
+
+    http://www.FreeRTOS.org/support - In return for receiving this top quality
+    embedded software for free we request you assist our global community by
+    participating in the support forum.
+
+    http://www.FreeRTOS.org/training - Investing in training allows your team to
+    be as productive as possible as early as possible.  Now you can receive
+    FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
+    Ltd, and the world's leading authority on the world's leading RTOS.
+
+    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.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
+    Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
+
+    http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
+    Integrity Systems ltd. to sell under the OpenRTOS brand.  Low cost OpenRTOS
+    licenses offer ticketed support, indemnification and commercial 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.
+ *----------------------------------------------------------*/
+
+#define configUSE_PREEMPTION                     1
+#define configUSE_IDLE_HOOK                      1
+#define configUSE_TICK_HOOK                      0
+#define configCPU_CLOCK_HZ                       ( 48000000UL )
+#define configTICK_RATE_HZ                       ( ( TickType_t ) 1000 )
+#define configMAX_PRIORITIES                     ( 8 )
+#define configMINIMAL_STACK_SIZE                 ( ( unsigned short ) 512 )
+#define configTOTAL_HEAP_SIZE                    ( ( size_t ) 8192 )
+#define configMAX_TASK_NAME_LEN                  ( 12 )
+#define configUSE_TRACE_FACILITY                 0
+#define configUSE_16_BIT_TICKS                   0
+#define configIDLE_SHOULD_YIELD                  1
+#define configUSE_MUTEXES                        1
+#define configQUEUE_REGISTRY_SIZE                0
+#define configCHECK_FOR_STACK_OVERFLOW           0
+#define configUSE_RECURSIVE_MUTEXES              1
+#define configUSE_MALLOC_FAILED_HOOK             0
+#define configUSE_APPLICATION_TASK_TAG           0
+#define configUSE_COUNTING_SEMAPHORES            1
+
+/* Co-routine definitions. */
+#define configUSE_CO_ROUTINES                    0
+#define configMAX_CO_ROUTINE_PRIORITIES          ( 2 )
+
+/* Software timer definitions. */
+#define configUSE_TIMERS                         1
+#define configTIMER_TASK_PRIORITY                ( 3 )
+#define configTIMER_QUEUE_LENGTH                 10
+#define configTIMER_TASK_STACK_DEPTH             128
+
+/* API functions definitions */
+#define INCLUDE_vTaskPrioritySet                 1
+#define INCLUDE_uxTaskPriorityGet                1
+#define INCLUDE_vTaskDelete                      1
+#define INCLUDE_vTaskSuspend                     1
+#define INCLUDE_vTaskDelayUntil                  1
+#define INCLUDE_vTaskDelay                       1
+#define INCLUDE_eTaskGetState                    0
+#define INCLUDE_uxTaskGetStackHighWaterMark      1
+#define INCLUDE_xTaskGetSchedulerState           1
+#define INCLUDE_xQueueGetMutexHolder             1
+#define INCLUDE_xTaskGetCurrentTaskHandle        1
+#define INCLUDE_xTaskGetIdleTaskHandle           0
+#define INCLUDE_pcTaskGetTaskName                0
+#define INCLUDE_xEventGroupSetBitFromISR         1
+#define INCLUDE_xTimerPendFunctionCall           1
+
+/* Additional settings can be defined in the property Settings > User settings > Definitions of the FreeRTOS component */
+
+/* This demo makes use of one or more example stats formatting functions.  These
+format the raw data provided by the uxTaskGetSystemState() function in to human
+readable ASCII form.  See the notes in the implementation of vTaskList() within
+FreeRTOS/Source/tasks.c for limitations. */
+#define configUSE_STATS_FORMATTING_FUNCTIONS     0
+
+/* Run time stats gathering definitions. */
+#ifdef __ICCARM__
+	/* The #ifdef just prevents this C specific syntax from being included in
+	assembly files. */
+	void vMainConfigureTimerForRunTimeStats( void );
+	unsigned long ulMainGetRunTimeCounterValue( void );
+#endif
+#ifdef __GNUC__
+	/* The #ifdef just prevents this C specific syntax from being included in
+	assembly files. */
+	void vMainConfigureTimerForRunTimeStats( void );
+	unsigned long ulMainGetRunTimeCounterValue( void );
+#endif
+
+#define configGENERATE_RUN_TIME_STATS            0 /* 1: generate runtime statistics; 0: no runtime statistics */
+
+/* Cortex-M specific definitions. */
+#ifdef __NVIC_PRIO_BITS
+  #define configPRIO_BITS                         __NVIC_PRIO_BITS
+#else
+  #define configPRIO_BITS                         4
+#endif
+
+/* The lowest interrupt priority that can be used in a call to a "set priority"
+function. */
+#define configLIBRARY_LOWEST_INTERRUPT_PRIORITY  (0x0F)
+
+/* The highest interrupt priority that can be used by any interrupt service
+routine that makes calls to interrupt safe FreeRTOS API functions.  DO NOT CALL
+INTERRUPT SAFE FREERTOS API FUNCTIONS FROM ANY INTERRUPT THAT HAS A HIGHER
+PRIORITY THAN THIS! (higher priorities are lower numeric values. */
+#define configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY	 (0x01)
+
+/* Interrupt priorities used by the kernel port layer itself.  These are generic
+to all Cortex-M ports, and do not rely on any particular library functions. */
+#ifndef configKERNEL_INTERRUPT_PRIORITY
+  #define configKERNEL_INTERRUPT_PRIORITY         (configLIBRARY_LOWEST_INTERRUPT_PRIORITY << (8-configPRIO_BITS))
+#endif
+
+/* !!!! configMAX_SYSCALL_INTERRUPT_PRIORITY must not be set to zero !!!!
+See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html. */
+#ifndef configMAX_SYSCALL_INTERRUPT_PRIORITY
+  #define configMAX_SYSCALL_INTERRUPT_PRIORITY    (configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY << (8-configPRIO_BITS))
+#endif
+
+/* Definition assert() function. */
+#define configASSERT(x)                          if((x)==0) { taskDISABLE_INTERRUPTS(); for( ;; ); }
+
+/* Tickless Idle Mode */
+#define configUSE_TICKLESS_IDLE                  0 
+#define configEXPECTED_IDLE_TIME_BEFORE_SLEEP    2 
+#define configUSE_TICKLESS_IDLE_DECISION_HOOK    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 */
+