河北水利局项目
This commit is contained in:
369
Common/Full/integer.c
Normal file
369
Common/Full/integer.c
Normal file
@@ -0,0 +1,369 @@
|
||||
/*
|
||||
FreeRTOS V9.0.0 - Copyright (C) 2016 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!
|
||||
*/
|
||||
|
||||
/*
|
||||
Changes from V1.2.3
|
||||
|
||||
+ The created tasks now include calls to tskYIELD(), allowing them to be used
|
||||
with the cooperative scheduler.
|
||||
*/
|
||||
|
||||
/**
|
||||
* This does the same as flop. c, but uses variables of type long instead of
|
||||
* type double.
|
||||
*
|
||||
* As with flop. c, the tasks created in this file are a good test of the
|
||||
* scheduler context switch mechanism. The processor has to access 32bit
|
||||
* variables in two or four chunks (depending on the processor). The low
|
||||
* priority of these tasks means there is a high probability that a context
|
||||
* switch will occur mid calculation. See the flop. c documentation for
|
||||
* more information.
|
||||
*
|
||||
* \page IntegerC integer.c
|
||||
* \ingroup DemoFiles
|
||||
* <HR>
|
||||
*/
|
||||
|
||||
/*
|
||||
Changes from V1.2.1
|
||||
|
||||
+ The constants used in the calculations are larger to ensure the
|
||||
optimiser does not truncate them to 16 bits.
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
|
||||
/* Scheduler include files. */
|
||||
#include "FreeRTOS.h"
|
||||
#include "task.h"
|
||||
#include "print.h"
|
||||
|
||||
/* Demo program include files. */
|
||||
#include "integer.h"
|
||||
|
||||
#define intgSTACK_SIZE ( ( unsigned short ) 256 )
|
||||
#define intgNUMBER_OF_TASKS ( 8 )
|
||||
|
||||
/* Four tasks, each of which performs a different calculation on four byte
|
||||
variables. Each of the four is created twice. */
|
||||
static void vCompeteingIntMathTask1( void *pvParameters );
|
||||
static void vCompeteingIntMathTask2( void *pvParameters );
|
||||
static void vCompeteingIntMathTask3( void *pvParameters );
|
||||
static void vCompeteingIntMathTask4( void *pvParameters );
|
||||
|
||||
/* These variables are used to check that all the tasks are still running. If a
|
||||
task gets a calculation wrong it will stop incrementing its check variable. */
|
||||
static volatile unsigned short usTaskCheck[ intgNUMBER_OF_TASKS ] = { ( unsigned short ) 0 };
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vStartIntegerMathTasks( unsigned portBASE_TYPE uxPriority )
|
||||
{
|
||||
xTaskCreate( vCompeteingIntMathTask1, "IntMath1", intgSTACK_SIZE, ( void * ) &( usTaskCheck[ 0 ] ), uxPriority, NULL );
|
||||
xTaskCreate( vCompeteingIntMathTask2, "IntMath2", intgSTACK_SIZE, ( void * ) &( usTaskCheck[ 1 ] ), uxPriority, NULL );
|
||||
xTaskCreate( vCompeteingIntMathTask3, "IntMath3", intgSTACK_SIZE, ( void * ) &( usTaskCheck[ 2 ] ), uxPriority, NULL );
|
||||
xTaskCreate( vCompeteingIntMathTask4, "IntMath4", intgSTACK_SIZE, ( void * ) &( usTaskCheck[ 3 ] ), uxPriority, NULL );
|
||||
xTaskCreate( vCompeteingIntMathTask1, "IntMath5", intgSTACK_SIZE, ( void * ) &( usTaskCheck[ 4 ] ), uxPriority, NULL );
|
||||
xTaskCreate( vCompeteingIntMathTask2, "IntMath6", intgSTACK_SIZE, ( void * ) &( usTaskCheck[ 5 ] ), uxPriority, NULL );
|
||||
xTaskCreate( vCompeteingIntMathTask3, "IntMath7", intgSTACK_SIZE, ( void * ) &( usTaskCheck[ 6 ] ), uxPriority, NULL );
|
||||
xTaskCreate( vCompeteingIntMathTask4, "IntMath8", intgSTACK_SIZE, ( void * ) &( usTaskCheck[ 7 ] ), uxPriority, NULL );
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void vCompeteingIntMathTask1( void *pvParameters )
|
||||
{
|
||||
long l1, l2, l3, l4;
|
||||
short sError = pdFALSE;
|
||||
volatile unsigned short *pusTaskCheckVariable;
|
||||
const long lAnswer = ( ( long ) 74565L + ( long ) 1234567L ) * ( long ) -918L;
|
||||
const char * const pcTaskStartMsg = "Integer math task 1 started.\r\n";
|
||||
const char * const pcTaskFailMsg = "Integer math task 1 failed.\r\n";
|
||||
|
||||
/* Queue a message for printing to say the task has started. */
|
||||
vPrintDisplayMessage( &pcTaskStartMsg );
|
||||
|
||||
/* The variable this task increments to show it is still running is passed in
|
||||
as the parameter. */
|
||||
pusTaskCheckVariable = ( unsigned short * ) pvParameters;
|
||||
|
||||
/* Keep performing a calculation and checking the result against a constant. */
|
||||
for(;;)
|
||||
{
|
||||
l1 = ( long ) 74565L;
|
||||
l2 = ( long ) 1234567L;
|
||||
l3 = ( long ) -918L;
|
||||
|
||||
l4 = ( l1 + l2 ) * l3;
|
||||
|
||||
taskYIELD();
|
||||
|
||||
/* If the calculation does not match the expected constant, stop the
|
||||
increment of the check variable. */
|
||||
if( l4 != lAnswer )
|
||||
{
|
||||
vPrintDisplayMessage( &pcTaskFailMsg );
|
||||
sError = pdTRUE;
|
||||
}
|
||||
|
||||
if( sError == pdFALSE )
|
||||
{
|
||||
/* If the calculation has always been correct, increment the check
|
||||
variable so we know this task is still running okay. */
|
||||
( *pusTaskCheckVariable )++;
|
||||
}
|
||||
}
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void vCompeteingIntMathTask2( void *pvParameters )
|
||||
{
|
||||
long l1, l2, l3, l4;
|
||||
short sError = pdFALSE;
|
||||
volatile unsigned short *pusTaskCheckVariable;
|
||||
const long lAnswer = ( ( long ) -389000L / ( long ) 329999L ) * ( long ) -89L;
|
||||
const char * const pcTaskStartMsg = "Integer math task 2 started.\r\n";
|
||||
const char * const pcTaskFailMsg = "Integer math task 2 failed.\r\n";
|
||||
|
||||
/* Queue a message for printing to say the task has started. */
|
||||
vPrintDisplayMessage( &pcTaskStartMsg );
|
||||
|
||||
/* The variable this task increments to show it is still running is passed in
|
||||
as the parameter. */
|
||||
pusTaskCheckVariable = ( unsigned short * ) pvParameters;
|
||||
|
||||
/* Keep performing a calculation and checking the result against a constant. */
|
||||
for( ;; )
|
||||
{
|
||||
l1 = -389000L;
|
||||
l2 = 329999L;
|
||||
l3 = -89L;
|
||||
|
||||
l4 = ( l1 / l2 ) * l3;
|
||||
|
||||
taskYIELD();
|
||||
|
||||
/* If the calculation does not match the expected constant, stop the
|
||||
increment of the check variable. */
|
||||
if( l4 != lAnswer )
|
||||
{
|
||||
vPrintDisplayMessage( &pcTaskFailMsg );
|
||||
sError = pdTRUE;
|
||||
}
|
||||
|
||||
if( sError == pdFALSE )
|
||||
{
|
||||
/* If the calculation has always been correct, increment the check
|
||||
variable so we know this task is still running okay. */
|
||||
( *pusTaskCheckVariable )++;
|
||||
}
|
||||
}
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void vCompeteingIntMathTask3( void *pvParameters )
|
||||
{
|
||||
long *plArray, lTotal1, lTotal2;
|
||||
short sError = pdFALSE;
|
||||
volatile unsigned short *pusTaskCheckVariable;
|
||||
const unsigned short usArraySize = ( unsigned short ) 250;
|
||||
unsigned short usPosition;
|
||||
const char * const pcTaskStartMsg = "Integer math task 3 started.\r\n";
|
||||
const char * const pcTaskFailMsg = "Integer math task 3 failed.\r\n";
|
||||
|
||||
/* Queue a message for printing to say the task has started. */
|
||||
vPrintDisplayMessage( &pcTaskStartMsg );
|
||||
|
||||
/* The variable this task increments to show it is still running is passed in
|
||||
as the parameter. */
|
||||
pusTaskCheckVariable = ( unsigned short * ) pvParameters;
|
||||
|
||||
/* Create the array we are going to use for our check calculation. */
|
||||
plArray = ( long * ) pvPortMalloc( ( size_t ) 250 * sizeof( long ) );
|
||||
|
||||
/* Keep filling the array, keeping a running total of the values placed in the
|
||||
array. Then run through the array adding up all the values. If the two totals
|
||||
do not match, stop the check variable from incrementing. */
|
||||
for( ;; )
|
||||
{
|
||||
lTotal1 = ( long ) 0;
|
||||
lTotal2 = ( long ) 0;
|
||||
|
||||
for( usPosition = 0; usPosition < usArraySize; usPosition++ )
|
||||
{
|
||||
plArray[ usPosition ] = ( long ) usPosition + ( long ) 5;
|
||||
lTotal1 += ( long ) usPosition + ( long ) 5;
|
||||
}
|
||||
|
||||
taskYIELD();
|
||||
|
||||
for( usPosition = 0; usPosition < usArraySize; usPosition++ )
|
||||
{
|
||||
lTotal2 += plArray[ usPosition ];
|
||||
}
|
||||
|
||||
if( lTotal1 != lTotal2 )
|
||||
{
|
||||
vPrintDisplayMessage( &pcTaskFailMsg );
|
||||
sError = pdTRUE;
|
||||
}
|
||||
|
||||
taskYIELD();
|
||||
|
||||
if( sError == pdFALSE )
|
||||
{
|
||||
/* If the calculation has always been correct, increment the check
|
||||
variable so we know this task is still running okay. */
|
||||
( *pusTaskCheckVariable )++;
|
||||
}
|
||||
}
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void vCompeteingIntMathTask4( void *pvParameters )
|
||||
{
|
||||
long *plArray, lTotal1, lTotal2;
|
||||
short sError = pdFALSE;
|
||||
volatile unsigned short *pusTaskCheckVariable;
|
||||
const unsigned short usArraySize = 250;
|
||||
unsigned short usPosition;
|
||||
const char * const pcTaskStartMsg = "Integer math task 4 started.\r\n";
|
||||
const char * const pcTaskFailMsg = "Integer math task 4 failed.\r\n";
|
||||
|
||||
/* Queue a message for printing to say the task has started. */
|
||||
vPrintDisplayMessage( &pcTaskStartMsg );
|
||||
|
||||
/* The variable this task increments to show it is still running is passed in
|
||||
as the parameter. */
|
||||
pusTaskCheckVariable = ( unsigned short * ) pvParameters;
|
||||
|
||||
/* Create the array we are going to use for our check calculation. */
|
||||
plArray = ( long * ) pvPortMalloc( ( size_t ) 250 * sizeof( long ) );
|
||||
|
||||
/* Keep filling the array, keeping a running total of the values placed in the
|
||||
array. Then run through the array adding up all the values. If the two totals
|
||||
do not match, stop the check variable from incrementing. */
|
||||
for( ;; )
|
||||
{
|
||||
lTotal1 = ( long ) 0;
|
||||
lTotal2 = ( long ) 0;
|
||||
|
||||
for( usPosition = 0; usPosition < usArraySize; usPosition++ )
|
||||
{
|
||||
plArray[ usPosition ] = ( long ) usPosition * ( long ) 12;
|
||||
lTotal1 += ( long ) usPosition * ( long ) 12;
|
||||
}
|
||||
|
||||
taskYIELD();
|
||||
|
||||
for( usPosition = 0; usPosition < usArraySize; usPosition++ )
|
||||
{
|
||||
lTotal2 += plArray[ usPosition ];
|
||||
}
|
||||
|
||||
|
||||
if( lTotal1 != lTotal2 )
|
||||
{
|
||||
vPrintDisplayMessage( &pcTaskFailMsg );
|
||||
sError = pdTRUE;
|
||||
}
|
||||
|
||||
taskYIELD();
|
||||
|
||||
if( sError == pdFALSE )
|
||||
{
|
||||
/* If the calculation has always been correct, increment the check
|
||||
variable so we know this task is still running okay. */
|
||||
( *pusTaskCheckVariable )++;
|
||||
}
|
||||
}
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* This is called to check that all the created tasks are still running. */
|
||||
portBASE_TYPE xAreIntegerMathsTaskStillRunning( void )
|
||||
{
|
||||
/* Keep a history of the check variables so we know if they have been incremented
|
||||
since the last call. */
|
||||
static unsigned short usLastTaskCheck[ intgNUMBER_OF_TASKS ] = { ( unsigned short ) 0 };
|
||||
portBASE_TYPE xReturn = pdTRUE, xTask;
|
||||
|
||||
/* Check the maths tasks are still running by ensuring their check variables
|
||||
are still incrementing. */
|
||||
for( xTask = 0; xTask < intgNUMBER_OF_TASKS; xTask++ )
|
||||
{
|
||||
if( usTaskCheck[ xTask ] == usLastTaskCheck[ xTask ] )
|
||||
{
|
||||
/* The check has not incremented so an error exists. */
|
||||
xReturn = pdFALSE;
|
||||
}
|
||||
|
||||
usLastTaskCheck[ xTask ] = usTaskCheck[ xTask ];
|
||||
}
|
||||
|
||||
return xReturn;
|
||||
}
|
||||
Reference in New Issue
Block a user