Extra file used by 16bit Fujitsu port.
Richard Barry
17 years ago
parent
35afa63a47
commit
1eb00d2045
@ -0,0 +1,224 @@
|
|||||||
|
/*
|
||||||
|
FreeRTOS.org V4.7.0 - Copyright (C) 2003-2007 Richard Barry.
|
||||||
|
|
||||||
|
This file is part of the FreeRTOS.org distribution.
|
||||||
|
|
||||||
|
FreeRTOS.org is free software; you can redistribute it and/or modify
|
||||||
|
it under the terms of the GNU General Public License as published by
|
||||||
|
the Free Software Foundation; either version 2 of the License, or
|
||||||
|
(at your option) any later version.
|
||||||
|
|
||||||
|
FreeRTOS.org 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. See the
|
||||||
|
GNU General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with FreeRTOS.org; if not, write to the Free Software
|
||||||
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||||
|
|
||||||
|
A special exception to the GPL can be applied should you wish to distribute
|
||||||
|
a combined work that includes FreeRTOS.org, without being obliged to provide
|
||||||
|
the source code for any proprietary components. See the licensing section
|
||||||
|
of http://www.FreeRTOS.org for full details of how and when the exception
|
||||||
|
can be applied.
|
||||||
|
|
||||||
|
***************************************************************************
|
||||||
|
See http://www.FreeRTOS.org for documentation, latest information, license
|
||||||
|
and contact details. Please ensure to read the configuration and relevant
|
||||||
|
port sections of the online documentation.
|
||||||
|
|
||||||
|
Also see http://www.SafeRTOS.com a version that has been certified for use
|
||||||
|
in safety critical systems, plus commercial licensing, development and
|
||||||
|
support options.
|
||||||
|
***************************************************************************
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* This demo application file demonstrates the use of queues to pass data
|
||||||
|
* between co-routines.
|
||||||
|
*
|
||||||
|
* N represents the number of 'fixed delay' co-routines that are created and
|
||||||
|
* is set during initialisation.
|
||||||
|
*
|
||||||
|
* N 'fixed delay' co-routines are created that just block for a fixed
|
||||||
|
* period then post the number of an LED onto a queue. Each such co-routine
|
||||||
|
* uses a different block period. A single 'flash' co-routine is also created
|
||||||
|
* that blocks on the same queue, waiting for the number of the next LED it
|
||||||
|
* should flash. Upon receiving a number it simply toggle the instructed LED
|
||||||
|
* then blocks on the queue once more. In this manner each LED from LED 0 to
|
||||||
|
* LED N-1 is caused to flash at a different rate.
|
||||||
|
*
|
||||||
|
* The 'fixed delay' co-routines are created with co-routine priority 0. The
|
||||||
|
* flash co-routine is created with co-routine priority 1. This means that
|
||||||
|
* the queue should never contain more than a single item. This is because
|
||||||
|
* posting to the queue will unblock the 'flash' co-routine, and as this has
|
||||||
|
* a priority greater than the tasks posting to the queue it is guaranteed to
|
||||||
|
* have emptied the queue and blocked once again before the queue can contain
|
||||||
|
* any more date. An error is indicated if an attempt to post data to the
|
||||||
|
* queue fails - indicating that the queue is already full.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* Scheduler includes. */
|
||||||
|
#include "FreeRTOS.h"
|
||||||
|
#include "croutine.h"
|
||||||
|
#include "queue.h"
|
||||||
|
|
||||||
|
/* Demo application includes. */
|
||||||
|
#include "partest.h"
|
||||||
|
#include "crflash.h"
|
||||||
|
|
||||||
|
/* The queue should only need to be of length 1. See the description at the
|
||||||
|
top of the file. */
|
||||||
|
#define crfQUEUE_LENGTH 1
|
||||||
|
|
||||||
|
#define crfFIXED_DELAY_PRIORITY 0
|
||||||
|
#define crfFLASH_PRIORITY 1
|
||||||
|
|
||||||
|
/* Only one flash co-routine is created so the index is not significant. */
|
||||||
|
#define crfFLASH_INDEX 0
|
||||||
|
|
||||||
|
/* Don't allow more than crfMAX_FLASH_TASKS 'fixed delay' co-routines to be
|
||||||
|
created. */
|
||||||
|
#define crfMAX_FLASH_TASKS 8
|
||||||
|
|
||||||
|
/* We don't want to block when posting to the queue. */
|
||||||
|
#define crfPOSTING_BLOCK_TIME 0
|
||||||
|
|
||||||
|
/* Added by MPi, this define is added in order to make the vParTestToggleLED()
|
||||||
|
work. This basically differentiates the PDR09 from PDR00. 7-seg display LEDs connected
|
||||||
|
to PDR09 (SEG1) are used by the prvFlashCoRoutine() and PDR00 (SEG2) are used by tasks. */
|
||||||
|
#define PDR00_Offset 8
|
||||||
|
|
||||||
|
/*
|
||||||
|
* The 'fixed delay' co-routine as described at the top of the file.
|
||||||
|
*/
|
||||||
|
static void prvFixedDelayCoRoutine( xCoRoutineHandle xHandle, unsigned portBASE_TYPE uxIndex );
|
||||||
|
|
||||||
|
/*
|
||||||
|
* The 'flash' co-routine as described at the top of the file.
|
||||||
|
*/
|
||||||
|
static void prvFlashCoRoutine( xCoRoutineHandle xHandle, unsigned portBASE_TYPE uxIndex );
|
||||||
|
|
||||||
|
/* The queue used to pass data between the 'fixed delay' co-routines and the
|
||||||
|
'flash' co-routine. */
|
||||||
|
static xQueueHandle xFlashQueue;
|
||||||
|
|
||||||
|
/* This will be set to pdFALSE if we detect an error. */
|
||||||
|
static unsigned portBASE_TYPE uxCoRoutineFlashStatus = pdPASS;
|
||||||
|
|
||||||
|
/*-----------------------------------------------------------*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* See the header file for details.
|
||||||
|
*/
|
||||||
|
void vStartFlashCoRoutines( unsigned portBASE_TYPE uxNumberToCreate )
|
||||||
|
{
|
||||||
|
unsigned portBASE_TYPE uxIndex;
|
||||||
|
|
||||||
|
if( uxNumberToCreate > crfMAX_FLASH_TASKS )
|
||||||
|
{
|
||||||
|
uxNumberToCreate = crfMAX_FLASH_TASKS;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Create the queue used to pass data between the co-routines. */
|
||||||
|
xFlashQueue = xQueueCreate( crfQUEUE_LENGTH, sizeof( unsigned portBASE_TYPE ) );
|
||||||
|
|
||||||
|
if( xFlashQueue )
|
||||||
|
{
|
||||||
|
/* Create uxNumberToCreate 'fixed delay' co-routines. */
|
||||||
|
for( uxIndex = 0; uxIndex < uxNumberToCreate; uxIndex++ )
|
||||||
|
{
|
||||||
|
xCoRoutineCreate( prvFixedDelayCoRoutine, crfFIXED_DELAY_PRIORITY, uxIndex );
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Create the 'flash' co-routine. */
|
||||||
|
xCoRoutineCreate( prvFlashCoRoutine, crfFLASH_PRIORITY, crfFLASH_INDEX );
|
||||||
|
}
|
||||||
|
}
|
||||||
|
/*-----------------------------------------------------------*/
|
||||||
|
|
||||||
|
static void prvFixedDelayCoRoutine( xCoRoutineHandle xHandle, unsigned portBASE_TYPE uxIndex )
|
||||||
|
{
|
||||||
|
/* Even though this is a co-routine the xResult variable does not need to be
|
||||||
|
static as we do not need it to maintain its state between blocks. */
|
||||||
|
signed portBASE_TYPE xResult;
|
||||||
|
/* The uxIndex parameter of the co-routine function is used as an index into
|
||||||
|
the xFlashRates array to obtain the delay period to use. */
|
||||||
|
static const portTickType xFlashRates[ crfMAX_FLASH_TASKS ] = { 150 / portTICK_RATE_MS,
|
||||||
|
200 / portTICK_RATE_MS,
|
||||||
|
250 / portTICK_RATE_MS,
|
||||||
|
300 / portTICK_RATE_MS,
|
||||||
|
350 / portTICK_RATE_MS,
|
||||||
|
400 / portTICK_RATE_MS,
|
||||||
|
450 / portTICK_RATE_MS,
|
||||||
|
500 / portTICK_RATE_MS };
|
||||||
|
|
||||||
|
/* Co-routines MUST start with a call to crSTART. */
|
||||||
|
crSTART( xHandle );
|
||||||
|
|
||||||
|
for( ;; )
|
||||||
|
{
|
||||||
|
/* Post our uxIndex value onto the queue. This is used as the LED to
|
||||||
|
flash. */
|
||||||
|
crQUEUE_SEND( xHandle, xFlashQueue, ( void * ) &uxIndex, crfPOSTING_BLOCK_TIME, &xResult );
|
||||||
|
|
||||||
|
if( xResult != pdPASS )
|
||||||
|
{
|
||||||
|
/* For the reasons stated at the top of the file we should always
|
||||||
|
find that we can post to the queue. If we could not then an error
|
||||||
|
has occurred. */
|
||||||
|
uxCoRoutineFlashStatus = pdFAIL;
|
||||||
|
}
|
||||||
|
|
||||||
|
crDELAY( xHandle, xFlashRates[ uxIndex ] );
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Co-routines MUST end with a call to crEND. */
|
||||||
|
crEND();
|
||||||
|
}
|
||||||
|
/*-----------------------------------------------------------*/
|
||||||
|
|
||||||
|
static void prvFlashCoRoutine( xCoRoutineHandle xHandle, unsigned portBASE_TYPE uxIndex )
|
||||||
|
{
|
||||||
|
/* Even though this is a co-routine the variable do not need to be
|
||||||
|
static as we do not need it to maintain their state between blocks. */
|
||||||
|
signed portBASE_TYPE xResult;
|
||||||
|
unsigned portBASE_TYPE uxLEDToFlash;
|
||||||
|
|
||||||
|
/* Co-routines MUST start with a call to crSTART. */
|
||||||
|
crSTART( xHandle );
|
||||||
|
( void ) uxIndex;
|
||||||
|
|
||||||
|
for( ;; )
|
||||||
|
{
|
||||||
|
/* Block to wait for the number of the LED to flash. */
|
||||||
|
crQUEUE_RECEIVE( xHandle, xFlashQueue, &uxLEDToFlash, portMAX_DELAY, &xResult );
|
||||||
|
|
||||||
|
if( xResult != pdPASS )
|
||||||
|
{
|
||||||
|
/* We would not expect to wake unless we received something. */
|
||||||
|
uxCoRoutineFlashStatus = pdFAIL;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
/* We received the number of an LED to flash - flash it! */
|
||||||
|
/* Added by MPi, PDR00_Offset is added in order to make the
|
||||||
|
vParTestToggleLED() work. */
|
||||||
|
vParTestToggleLED( uxLEDToFlash + PDR00_Offset );
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Co-routines MUST end with a call to crEND. */
|
||||||
|
crEND();
|
||||||
|
}
|
||||||
|
/*-----------------------------------------------------------*/
|
||||||
|
|
||||||
|
portBASE_TYPE xAreFlashCoRoutinesStillRunning( void )
|
||||||
|
{
|
||||||
|
/* Return pdPASS or pdFAIL depending on whether an error has been detected
|
||||||
|
or not. */
|
||||||
|
return uxCoRoutineFlashStatus;
|
||||||
|
}
|
||||||
|
|
||||||
Loading…
Reference in New Issue