You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
194 lines
8.0 KiB
C
194 lines
8.0 KiB
C
/*
|
|
FreeRTOS V8.2.0rc1 - Copyright (C) 2014 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
|
|
|
|
1 tab == 4 spaces!
|
|
|
|
***************************************************************************
|
|
* *
|
|
* Having a problem? Start by reading the FAQ "My application does *
|
|
* not run, what could be wrong?". Have you defined configASSERT()? *
|
|
* *
|
|
* http://www.FreeRTOS.org/FAQHelp.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 *
|
|
* *
|
|
***************************************************************************
|
|
|
|
***************************************************************************
|
|
* *
|
|
* Investing in training allows your team to be as productive as *
|
|
* possible as early as possible, lowering your overall development *
|
|
* cost, and enabling you to bring a more robust product to market *
|
|
* earlier than would otherwise be possible. Richard Barry is both *
|
|
* the architect and key author of FreeRTOS, and so also the world's *
|
|
* leading authority on what is the world's most popular real time *
|
|
* kernel for deeply embedded MCU designs. Obtaining your training *
|
|
* from Richard ensures your team will gain directly from his in-depth *
|
|
* product knowledge and years of usage experience. Contact Real Time *
|
|
* Engineers Ltd to enquire about the FreeRTOS Masterclass, presented *
|
|
* by Richard Barry: http://www.FreeRTOS.org/contact
|
|
* *
|
|
***************************************************************************
|
|
|
|
***************************************************************************
|
|
* *
|
|
* You are receiving this top quality software for free. Please play *
|
|
* fair and reciprocate by reporting any suspected issues and *
|
|
* participating in the community forum: *
|
|
* http://www.FreeRTOS.org/support *
|
|
* *
|
|
* Thank you! *
|
|
* *
|
|
***************************************************************************
|
|
|
|
http://www.FreeRTOS.org - Documentation, books, training, latest versions,
|
|
license and Real Time Engineers Ltd. contact details.
|
|
|
|
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 V1.01:
|
|
|
|
+ Types used updated.
|
|
+ Add vParTestToggleLED();
|
|
|
|
Changes from V2.0.0
|
|
|
|
+ Use scheduler suspends in place of critical sections.
|
|
*/
|
|
|
|
|
|
#include "FreeRTOS.h"
|
|
#include "task.h"
|
|
#include "partest.h"
|
|
|
|
#define partstALL_OUTPUTS_OFF ( ( unsigned short) 0x00 )
|
|
#define partstMAX_OUTPUT_LED ( ( unsigned char ) 7 )
|
|
#define partstPORT_F_ADDR ( ( unsigned short ) 0x605 )
|
|
#define partstPORT_DIRECTION_REG ( ( unsigned short ) 0x606 )
|
|
#define partstPORT_F_DIR_BIT ( ( unsigned short ) 0x20 )
|
|
|
|
/*lint -e956 File scope parameters okay here. */
|
|
static volatile unsigned char ucCurrentOutputValue = partstALL_OUTPUTS_OFF;
|
|
/*lint +e956 */
|
|
|
|
/*-----------------------------------------------------------
|
|
* Simple parallel port IO routines.
|
|
*-----------------------------------------------------------*/
|
|
|
|
void vParTestInitialise( void )
|
|
{
|
|
unsigned short usInput;
|
|
|
|
ucCurrentOutputValue = partstALL_OUTPUTS_OFF;
|
|
|
|
/* Set the direction to output for port F. */
|
|
usInput = portINPUT_BYTE( partstPORT_DIRECTION_REG );
|
|
usInput |= partstPORT_F_DIR_BIT;
|
|
portOUTPUT_BYTE( partstPORT_DIRECTION_REG, usInput );
|
|
|
|
/* Start with all outputs off. */
|
|
portOUTPUT_BYTE( partstPORT_F_ADDR, partstALL_OUTPUTS_OFF );
|
|
}
|
|
/*-----------------------------------------------------------*/
|
|
|
|
void vParTestSetLED( unsigned portBASE_TYPE uxLED, portBASE_TYPE xValue )
|
|
{
|
|
unsigned char ucBit = ( unsigned char ) 1;
|
|
|
|
if( uxLED <= partstMAX_OUTPUT_LED )
|
|
{
|
|
ucBit <<= uxLED;
|
|
}
|
|
|
|
vTaskSuspendAll();
|
|
{
|
|
if( xValue == pdTRUE )
|
|
{
|
|
ucBit ^= ( unsigned char ) 0xff;
|
|
ucCurrentOutputValue &= ucBit;
|
|
}
|
|
else
|
|
{
|
|
ucCurrentOutputValue |= ucBit;
|
|
}
|
|
|
|
portOUTPUT_BYTE( partstPORT_F_ADDR, ( unsigned ) ucCurrentOutputValue );
|
|
}
|
|
xTaskResumeAll();
|
|
}
|
|
/*-----------------------------------------------------------*/
|
|
|
|
void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
|
|
{
|
|
unsigned char ucBit;
|
|
|
|
if( uxLED <= partstMAX_OUTPUT_LED )
|
|
{
|
|
ucBit = ( ( unsigned char ) 1 ) << uxLED;
|
|
|
|
vTaskSuspendAll();
|
|
{
|
|
if( ucCurrentOutputValue & ucBit )
|
|
{
|
|
ucCurrentOutputValue &= ~ucBit;
|
|
}
|
|
else
|
|
{
|
|
ucCurrentOutputValue |= ucBit;
|
|
}
|
|
|
|
portOUTPUT_BYTE( partstPORT_F_ADDR, ( unsigned ) ucCurrentOutputValue );
|
|
}
|
|
xTaskResumeAll();
|
|
}
|
|
}
|
|
|