+++ /dev/null
-/*\r
- * FreeRTOS Kernel V10.1.0\r
- * Copyright (C) 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.\r
- *\r
- * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
- * this software and associated documentation files (the "Software"), to deal in\r
- * the Software without restriction, including without limitation the rights to\r
- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
- * the Software, and to permit persons to whom the Software is furnished to do so,\r
- * subject to the following conditions:\r
- *\r
- * The above copyright notice and this permission notice shall be included in all\r
- * copies or substantial portions of the Software.\r
- *\r
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
- *\r
- * http://www.FreeRTOS.org\r
- * http://aws.amazon.com/freertos\r
- *\r
- * 1 tab == 4 spaces!\r
- */\r
-\r
-/******************************************************************************\r
- * NOTE 1: This project provides two demo applications. A simple blinky style\r
- * project, and a more comprehensive test and demo application. The\r
- * mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting in main.c is used to select\r
- * between the two. See the notes on using mainCREATE_SIMPLE_BLINKY_DEMO_ONLY\r
- * in main.c. This file implements the comprehensive test and demo version.\r
- *\r
- * NOTE 2: This file only contains the source code that is specific to the\r
- * full demo. Generic functions, such FreeRTOS hook functions, and functions\r
- * required to configure the hardware, along with an example of how to write an\r
- * interrupt service routine, are defined in main.c.\r
- ******************************************************************************\r
- *\r
- * main_full() creates all the demo application tasks and two software timers,\r
- * then starts the scheduler. The web documentation provides more details of\r
- * the standard demo application tasks, which provide no particular\r
- * functionality, but do provide a good example of how to use the FreeRTOS API.\r
- *\r
- * In addition to the standard demo tasks, the following tasks, tests and\r
- * timers are created within this file:\r
- *\r
- * "Reg test" tasks - These fill the registers with known values, then check\r
- * that each register still contains its expected value. Each task uses a\r
- * different set of values. The reg test tasks execute with a very low priority,\r
- * so get preempted very frequently. A register containing an unexpected value\r
- * is indicative of an error in the context switching mechanism.\r
- *\r
- * The "Demo" Timer and Callback Function:\r
- * The demo timer callback function does nothing more than increment a variable.\r
- * The period of the demo timer is set relative to the period of the check timer\r
- * (described below). This allows the check timer to know how many times the\r
- * demo timer callback function should execute between each execution of the\r
- * check timer callback function. The variable incremented in the demo timer\r
- * callback function is used to determine how many times the callback function\r
- * has executed.\r
- *\r
- * The "Check" Timer and Callback Function:\r
- * The check timer period is initially set to three seconds. The check timer\r
- * callback function checks that all the standard demo tasks, the reg test\r
- * tasks, and the demo timer are not only still executing, but are executing\r
- * without reporting any errors. If the check timer discovers that a task or\r
- * timer has stalled, or reported an error, then it changes its own period from\r
- * the initial three seconds, to just 200ms. The check timer callback function\r
- * also toggles an LED each time it is called. This provides a visual\r
- * indication of the system status: If the LED toggles every three seconds,\r
- * then no issues have been discovered. If the LED toggles every 200ms, then\r
- * an issue has been discovered with at least one task.\r
- *\r
- * ENSURE TO READ THE DOCUMENTATION PAGE FOR THIS PORT AND DEMO APPLICATION ON\r
- * THE http://www.FreeRTOS.org WEB SITE FOR FULL INFORMATION ON USING THIS DEMO\r
- * APPLICATION, AND ITS ASSOCIATE FreeRTOS ARCHITECTURE PORT!\r
- *\r
- */\r
-\r
-/* Scheduler include files. */\r
-#include "FreeRTOS.h"\r
-#include "task.h"\r
-#include "timers.h"\r
-\r
-/* Standard demo includes. */\r
-#include "dynamic.h"\r
-#include "PollQ.h"\r
-#include "blocktim.h"\r
-\r
-/* Hardware includes. */\r
-#include "demo_specific_io.h"\r
-\r
-/* The period at which the check timer will expire, in ms, provided no errors\r
-have been reported by any of the standard demo tasks. ms are converted to the\r
-equivalent in ticks using the portTICK_PERIOD_MS constant. */\r
-#define mainCHECK_TIMER_PERIOD_MS ( 3000UL / portTICK_PERIOD_MS )\r
-\r
-/* The period at which the check timer will expire, in ms, if an error has been\r
-reported in one of the standard demo tasks, the check tasks, or the demo timer.\r
-ms are converted to the equivalent in ticks using the portTICK_PERIOD_MS\r
-constant. */\r
-#define mainERROR_CHECK_TIMER_PERIOD_MS ( 200UL / portTICK_PERIOD_MS )\r
-\r
-/* These two definitions are used to set the period of the demo timer. The demo\r
-timer period is always relative to the check timer period, so the check timer\r
-can determine if the demo timer has expired the expected number of times between\r
-its own executions. */\r
-#define mainDEMO_TIMER_INCREMENTS_PER_CHECK_TIMER_TIMEOUT ( 100UL )\r
-#define mainDEMO_TIMER_PERIOD_MS ( mainCHECK_TIMER_PERIOD_MS / mainDEMO_TIMER_INCREMENTS_PER_CHECK_TIMER_TIMEOUT )\r
-\r
-/* A block time of zero simply means "don't block". */\r
-#define mainDONT_BLOCK ( 0U )\r
-\r
-/* Values that are passed as parameters into the reg test tasks (purely to\r
-ensure task parameters are passed correctly). */\r
-#define mainREG_TEST_1_PARAMETER ( ( void * ) 0x1234 )\r
-#define mainREG_TEST_2_PARAMETER ( ( void * ) 0x5678 )\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-/*\r
- * The 'check' timer callback function, as described at the top of this file.\r
- */\r
-static void prvCheckTimerCallback( TimerHandle_t xTimer );\r
-\r
-/*\r
- * The 'demo' timer callback function, as described at the top of this file.\r
- */\r
-static void prvDemoTimerCallback( TimerHandle_t xTimer );\r
-\r
-/*\r
- * Functions that define the RegTest tasks, as described at the top of this\r
- * file. The RegTest tasks are written (necessarily) in assembler. Their\r
- * entry points are written in C to allow for easy checking of the task\r
- * parameter values.\r
- */\r
-extern void vRegTest1Task( void );\r
-extern void vRegTest2Task( void );\r
-static void prvRegTest1Entry( void *pvParameters );\r
-static void prvRegTest2Entry( void *pvParameters );\r
-\r
-/*\r
- * Called if a RegTest task discovers an error as a mechanism to stop the\r
- * tasks loop counter incrementing (so the check task can detect that an\r
- * error exists).\r
- */\r
-void vRegTestError( void );\r
-\r
-/*\r
- * Called by main() to create the more comprehensive application if\r
- * mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 0.\r
- */\r
-void main_full( void );\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-/* Variables that are incremented on each cycle of the two reg tests to allow\r
-the check timer to know that they are still executing. */\r
-unsigned short usRegTest1LoopCounter = 0, usRegTest2LoopCounter;\r
-\r
-/* The check timer. This uses prvCheckTimerCallback() as its callback\r
-function. */\r
-static TimerHandle_t xCheckTimer = NULL;\r
-\r
-/* The demo timer. This uses prvDemoTimerCallback() as its callback function. */\r
-static TimerHandle_t xDemoTimer = NULL;\r
-\r
-/* This variable is incremented each time the demo timer expires. */\r
-static volatile unsigned long ulDemoSoftwareTimerCounter = 0UL;\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-void main_full( void )\r
-{\r
- /* Creates all the tasks and timers, then starts the scheduler. */\r
-\r
- /* First create the 'standard demo' tasks. These are used to demonstrate\r
- API functions being used and also to test the kernel port. More information\r
- is provided on the FreeRTOS.org WEB site. */\r
-// vStartDynamicPriorityTasks();\r
-// vStartPolledQueueTasks( tskIDLE_PRIORITY );\r
-\r
- /* Additional tasks can be added by un-commenting the line below on devices\r
- with sufficient RAM for a larger heap (see configTOTAL_HEAP_SIZE in\r
- FreeRTOSConfig.h). */\r
- /*vCreateBlockTimeTasks();*/\r
-\r
- /* Create the RegTest tasks as described at the top of this file. */\r
- xTaskCreate( prvRegTest1Entry, /* The function that implements the task. */\r
- "Reg1", /* Text name for the task - to assist debugging only, not used by the kernel. */\r
- configMINIMAL_STACK_SIZE, /* The size of the stack allocated to the task (in words, not bytes). */\r
- mainREG_TEST_1_PARAMETER, /* The parameter passed into the task. */\r
- configMAX_PRIORITIES-1, /*tskIDLE_PRIORITY,*/ /* The priority at which the task will execute. */\r
- NULL ); /* Used to pass the handle of the created task out to the function caller - not used in this case. */\r
-\r
-// xTaskCreate( prvRegTest2Entry, "Reg2", configMINIMAL_STACK_SIZE, mainREG_TEST_2_PARAMETER, tskIDLE_PRIORITY, NULL );\r
-\r
- /* Create the software timer that performs the 'check' functionality,\r
- as described at the top of this file. */\r
-// xCheckTimer = xTimerCreate( "CheckTimer", /* A text name, purely to help debugging. */\r
-// ( mainCHECK_TIMER_PERIOD_MS ), /* The timer period, in this case 3000ms (3s). */\r
-// pdTRUE, /* This is an auto-reload timer, so xAutoReload is set to pdTRUE. */\r
-// ( void * ) 0, /* The ID is not used, so can be set to anything. */\r
-// prvCheckTimerCallback /* The callback function that inspects the status of all the other tasks. */\r
-// );\r
-\r
- /* Create the software timer that just increments a variable for demo\r
- purposes. */\r
-// xDemoTimer = xTimerCreate( "DemoTimer", /* A text name, purely to help debugging. */\r
-// ( mainDEMO_TIMER_PERIOD_MS ), /* The timer period, in this case it is always calculated relative to the check timer period (see the definition of mainDEMO_TIMER_PERIOD_MS). */\r
-// pdTRUE, /* This is an auto-reload timer, so xAutoReload is set to pdTRUE. */\r
-// ( void * ) 0, /* The ID is not used, so can be set to anything. */\r
-// prvDemoTimerCallback /* The callback function that inspects the status of all the other tasks. */\r
-// );\r
-\r
- /* Start both the check timer and the demo timer. The timers won't actually\r
- start until the scheduler is started. */\r
-// xTimerStart( xCheckTimer, mainDONT_BLOCK );\r
-// xTimerStart( xDemoTimer, mainDONT_BLOCK );\r
-\r
- /* Finally start the scheduler running. */\r
- vTaskStartScheduler();\r
-\r
-extern void my_function( void );\r
- my_function();\r
-\r
- /* If all is well execution will never reach here as the scheduler will be\r
- running. If this null loop is reached then it is likely there was\r
- insufficient FreeRTOS heap available for the idle task and/or timer task to\r
- be created. See http://www.freertos.org/a00111.html. */\r
- for( ;; );\r
-}\r
-/*-----------------------------------------------------------*/\r
-\r
-static void prvDemoTimerCallback( TimerHandle_t xTimer )\r
-{\r
- /* Remove compiler warning about unused parameter. */\r
- ( void ) xTimer;\r
-\r
- /* The demo timer has expired. All it does is increment a variable. The\r
- period of the demo timer is relative to that of the check timer, so the\r
- check timer knows how many times this variable should have been incremented\r
- between each execution of the check timer's own callback. */\r
- ulDemoSoftwareTimerCounter++;\r
-}\r
-/*-----------------------------------------------------------*/\r
-\r
-static void prvCheckTimerCallback( TimerHandle_t xTimer )\r
-{\r
-static portBASE_TYPE xChangedTimerPeriodAlready = pdFALSE, xErrorStatus = pdPASS;\r
-static unsigned short usLastRegTest1Counter = 0, usLastRegTest2Counter = 0;\r
-\r
- /* Remove compiler warning about unused parameter. */\r
- ( void ) xTimer;\r
-\r
- /* Inspect the status of the standard demo tasks. */\r
- if( xAreDynamicPriorityTasksStillRunning() != pdTRUE )\r
- {\r
- xErrorStatus = pdFAIL;\r
- }\r
-\r
- if( xArePollingQueuesStillRunning() != pdTRUE )\r
- {\r
- xErrorStatus = pdFAIL;\r
- }\r
-\r
- if( xAreBlockTimeTestTasksStillRunning() != pdTRUE )\r
- {\r
- /* Un-comment this line if the block time tasks are included in the\r
- demo. */\r
- /* xErrorStatus = pdFAIL; */\r
- }\r
-\r
- /* Indicate an error if either of the reg test loop counters have not\r
- incremented since the last time this function was called. */\r
- if( usLastRegTest1Counter == usRegTest1LoopCounter )\r
- {\r
- xErrorStatus = pdFAIL;\r
- }\r
- else\r
- {\r
- usLastRegTest1Counter = usRegTest1LoopCounter;\r
- }\r
-\r
- if( usLastRegTest2Counter == usRegTest2LoopCounter )\r
- {\r
- xErrorStatus = pdFAIL;\r
- }\r
- else\r
- {\r
- usLastRegTest2Counter = usRegTest2LoopCounter;\r
- }\r
-\r
- /* Ensure that the demo software timer has expired\r
- mainDEMO_TIMER_INCREMENTS_PER_CHECK_TIMER_TIMEOUT times in between\r
- each call of this function. A critical section is not required to access\r
- ulDemoSoftwareTimerCounter as the variable is only accessed from another\r
- software timer callback, and only one software timer callback can be\r
- executing at any time. */\r
- if( ( ulDemoSoftwareTimerCounter < ( mainDEMO_TIMER_INCREMENTS_PER_CHECK_TIMER_TIMEOUT - 1 ) ) ||\r
- ( ulDemoSoftwareTimerCounter > ( mainDEMO_TIMER_INCREMENTS_PER_CHECK_TIMER_TIMEOUT + 1 ) )\r
- )\r
- {\r
- xErrorStatus = pdFAIL;\r
- }\r
- else\r
- {\r
- ulDemoSoftwareTimerCounter = 0UL;\r
- }\r
-\r
- if( ( xErrorStatus == pdFAIL ) && ( xChangedTimerPeriodAlready == pdFALSE ) )\r
- {\r
- /* An error has occurred, but the timer's period has not yet been changed,\r
- change it now, and remember that it has been changed. Shortening the\r
- timer's period means the LED will toggle at a faster rate, giving a\r
- visible indication that something has gone wrong. */\r
- xChangedTimerPeriodAlready = pdTRUE;\r
-\r
- /* This call to xTimerChangePeriod() uses a zero block time. Functions\r
- called from inside of a timer callback function must *never* attempt to\r
- block. */\r
- xTimerChangePeriod( xCheckTimer, ( mainERROR_CHECK_TIMER_PERIOD_MS ), mainDONT_BLOCK );\r
- }\r
-\r
- /* Toggle the LED. The toggle rate will depend on whether or not an error\r
- has been found in any tasks. */\r
- LED_BIT = !LED_BIT;\r
-}\r
-/*-----------------------------------------------------------*/\r
-\r
-void vRegTestError( void )\r
-{\r
- /* Called by both reg test tasks if an error is found. There is no way out\r
- of this function so the loop counter of the calling task will stop\r
- incrementing, which will result in the check timer signaling an error. */\r
- for( ;; );\r
-}\r
-/*-----------------------------------------------------------*/\r
-\r
-static void prvRegTest1Entry( void *pvParameters )\r
-{\r
- /* If the parameter has its expected value then start the first reg test\r
- task (this is only done to test that the RTOS port is correctly handling\r
- task parameters. */\r
- if( pvParameters == mainREG_TEST_1_PARAMETER )\r
- {\r
- vRegTest1Task();\r
- }\r
- else\r
- {\r
- vRegTestError();\r
- }\r
-\r
- /* It is not possible to get here as neither of the two functions called\r
- above will ever return. */\r
-}\r
-/*-----------------------------------------------------------*/\r
-\r
-static void prvRegTest2Entry( void *pvParameters )\r
-{\r
- /* If the parameter has its expected value then start the first reg test\r
- task (this is only done to test that the RTOS port is correctly handling\r
- task parameters. */\r
- if( pvParameters == mainREG_TEST_2_PARAMETER )\r
- {\r
- vRegTest2Task();\r
- }\r
- else\r
- {\r
- vRegTestError();\r
- }\r
-\r
- /* It is not possible to get here as neither of the two functions called\r
- above will ever return. */\r
-}\r
-/*-----------------------------------------------------------*/\r
-\r
projects / freertos / blobdiff