mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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259 lines
9.9 KiB
C
259 lines
9.9 KiB
C
/*
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FreeRTOS V9.0.0rc2 - Copyright (C) 2016 Real Time Engineers Ltd.
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All rights reserved
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VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation >>>> AND MODIFIED BY <<<< the FreeRTOS exception.
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***************************************************************************
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>>! NOTE: The modification to the GPL is included to allow you to !<<
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>>! distribute a combined work that includes FreeRTOS without being !<<
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>>! obliged to provide the source code for proprietary components !<<
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>>! outside of the FreeRTOS kernel. !<<
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***************************************************************************
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. Full license text is available on the following
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link: http://www.freertos.org/a00114.html
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***************************************************************************
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* *
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* FreeRTOS provides completely free yet professionally developed, *
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* robust, strictly quality controlled, supported, and cross *
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* platform software that is more than just the market leader, it *
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* is the industry's de facto standard. *
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* *
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* Help yourself get started quickly while simultaneously helping *
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* to support the FreeRTOS project by purchasing a FreeRTOS *
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* tutorial book, reference manual, or both: *
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* http://www.FreeRTOS.org/Documentation *
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* *
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***************************************************************************
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http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
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the FAQ page "My application does not run, what could be wrong?". Have you
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defined configASSERT()?
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http://www.FreeRTOS.org/support - In return for receiving this top quality
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embedded software for free we request you assist our global community by
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participating in the support forum.
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http://www.FreeRTOS.org/training - Investing in training allows your team to
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be as productive as possible as early as possible. Now you can receive
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FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
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Ltd, and the world's leading authority on the world's leading RTOS.
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http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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compatible FAT file system, and our tiny thread aware UDP/IP stack.
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http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
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Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
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http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
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Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
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licenses offer ticketed support, indemnification and commercial middleware.
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http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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engineered and independently SIL3 certified version for use in safety and
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mission critical applications that require provable dependability.
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1 tab == 4 spaces!
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*/
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/******************************************************************************
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* This project provides two demo applications. A simple blinky style project,
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* and a more comprehensive test and demo application. The
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* mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting (defined in this file) is used to
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* select between the two. The simply blinky demo is implemented and described
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* in main_blinky.c. The more comprehensive test and demo application is
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* implemented and described in main_full.c.
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*
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* This file implements the code that is not demo specific, including the
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* hardware setup and standard FreeRTOS hook functions.
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*
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* ENSURE TO READ THE DOCUMENTATION PAGE FOR THIS PORT AND DEMO APPLICATION ON
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* THE http://www.FreeRTOS.org WEB SITE FOR FULL INFORMATION ON USING THIS DEMO
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* APPLICATION, AND ITS ASSOCIATE FreeRTOS ARCHITECTURE PORT!
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*
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* http://www.freertos.org/RX113_RTOS_Renesas_GCC_IAR.html
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*
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*/
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/* Scheduler include files. */
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#include "FreeRTOS.h"
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#include "task.h"
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#include "semphr.h"
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/* Renesas includes. */
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#include <rskrx113def.h>
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#include "r_cg_macrodriver.h"
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#include "r_cg_sci.h"
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/* Set mainCREATE_SIMPLE_BLINKY_DEMO_ONLY to one to run the simple blinky demo,
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or 0 to run the more comprehensive test and demo application. */
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#define mainCREATE_SIMPLE_BLINKY_DEMO_ONLY 1
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/*-----------------------------------------------------------*/
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/*
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* Configure the hardware as necessary to run this demo.
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*/
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static void prvSetupHardware( void );
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/*
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* main_blinky() is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 1.
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* main_full() is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 0.
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*/
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#if( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1 )
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extern void main_blinky( void );
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#else
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extern void main_full( void );
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#endif /* #if mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1 */
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/* Prototypes for the standard FreeRTOS callback/hook functions implemented
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within this file. */
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void vApplicationMallocFailedHook( void );
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void vApplicationIdleHook( void );
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void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName );
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void vApplicationTickHook( void );
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/*-----------------------------------------------------------*/
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/* See http://www.freertos.org/RX113_RTOS_Renesas_GCC_IAR.html */
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int main( void )
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{
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/* Configure the hardware ready to run the demo. */
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prvSetupHardware();
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/* The mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting is described at the top
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of this file. */
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#if( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1 )
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{
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main_blinky();
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}
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#else
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{
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main_full();
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}
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#endif
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/* Should never get reached. */
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return 0;
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}
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/*-----------------------------------------------------------*/
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static void prvSetupHardware( void )
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{
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/* Some hardware setup is performed before main() is called. This routine
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just ensures the LEDs start off. */
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LED0 = LED_OFF;
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LED1 = LED_OFF;
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LED2 = LED_OFF;
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LED3 = LED_OFF;
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}
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/*-----------------------------------------------------------*/
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void vApplicationMallocFailedHook( void )
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{
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/* Called if a call to pvPortMalloc() fails because there is insufficient
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free memory available in the FreeRTOS heap. pvPortMalloc() is called
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internally by FreeRTOS API functions that create tasks, queues, software
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timers, and semaphores. The size of the FreeRTOS heap is set by the
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configTOTAL_HEAP_SIZE configuration constant in FreeRTOSConfig.h. */
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/* Force an assert. */
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configASSERT( ( volatile void * ) NULL );
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}
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/*-----------------------------------------------------------*/
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void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName )
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{
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( void ) pcTaskName;
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( void ) pxTask;
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/* Run time stack overflow checking is performed if
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configCHECK_FOR_STACK_OVERFLOW is defined to 1 or 2. This hook
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function is called if a stack overflow is detected. */
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/* Force an assert. */
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configASSERT( ( volatile void * ) NULL );
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}
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/*-----------------------------------------------------------*/
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void vApplicationIdleHook( void )
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{
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volatile size_t xFreeHeapSpace;
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/* This is just a trivial example of an idle hook. It is called on each
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cycle of the idle task. It must *NOT* attempt to block. In this case the
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idle task just queries the amount of FreeRTOS heap that remains. See the
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memory management section on the http://www.FreeRTOS.org web site for memory
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management options. If there is a lot of heap memory free then the
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configTOTAL_HEAP_SIZE value in FreeRTOSConfig.h can be reduced to free up
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RAM. */
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xFreeHeapSpace = xPortGetFreeHeapSize();
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/* Remove compiler warning about xFreeHeapSpace being set but never used. */
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( void ) xFreeHeapSpace;
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}
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/*-----------------------------------------------------------*/
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void vApplicationTickHook( void )
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{
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/* The tick hook is not used by the blinky demo, but is by the full demo. */
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#if mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 0
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{
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extern void vFullDemoTickHook( void );
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vFullDemoTickHook();
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}
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#endif
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}
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/*-----------------------------------------------------------*/
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/* The RX port uses this callback function to configure its tick interrupt.
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This allows the application to choose the tick interrupt source.
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***NOTE***: configTICK_VECTOR must be set in FreeRTOSConfig.h to be correct for
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whichever vector is used. */
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void vApplicationSetupTimerInterrupt( void )
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{
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const uint32_t ulEnableRegisterWrite = 0xA50BUL, ulDisableRegisterWrite = 0xA500UL;
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/* Disable register write protection. */
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SYSTEM.PRCR.WORD = ulEnableRegisterWrite;
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/* Enable compare match timer 0. */
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MSTP( CMT0 ) = 0;
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/* Interrupt on compare match. */
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CMT0.CMCR.BIT.CMIE = 1;
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/* Set the compare match value. */
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CMT0.CMCOR = ( unsigned short ) ( ( ( configPERIPHERAL_CLOCK_HZ / configTICK_RATE_HZ ) -1 ) / 8 );
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/* Divide the PCLK by 8. */
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CMT0.CMCR.BIT.CKS = 0;
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/* Enable the interrupt... */
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_IEN( _CMT0_CMI0 ) = 1;
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/* ...and set its priority to the application defined kernel priority. */
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_IPR( _CMT0_CMI0 ) = configKERNEL_INTERRUPT_PRIORITY;
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/* Start the timer. */
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CMT.CMSTR0.BIT.STR0 = 1;
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/* Reneable register protection. */
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SYSTEM.PRCR.WORD = ulDisableRegisterWrite;
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}
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