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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [msp430_IAR/] [ParTest/] [ParTest.c] - Blame information for rev 583

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1 583 jeremybenn
/*
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    FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.
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    ***************************************************************************
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    *                                                                         *
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    * If you are:                                                             *
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    *                                                                         *
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    *    + New to FreeRTOS,                                                   *
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    *    + Wanting to learn FreeRTOS or multitasking in general quickly       *
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    *    + Looking for basic training,                                        *
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    *    + Wanting to improve your FreeRTOS skills and productivity           *
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    *                                                                         *
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    * then take a look at the FreeRTOS books - available as PDF or paperback  *
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    *                                                                         *
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    *        "Using the FreeRTOS Real Time Kernel - a Practical Guide"        *
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    *                  http://www.FreeRTOS.org/Documentation                  *
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    *                                                                         *
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    * A pdf reference manual is also available.  Both are usually delivered   *
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    * to your inbox within 20 minutes to two hours when purchased between 8am *
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    * and 8pm GMT (although please allow up to 24 hours in case of            *
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    * exceptional circumstances).  Thank you for your support!                *
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    *                                                                         *
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    ***************************************************************************
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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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    ***NOTE*** The exception to the GPL is included to allow you to distribute
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    a combined work that includes FreeRTOS without being obliged to provide the
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    source code for proprietary components outside of the FreeRTOS kernel.
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    FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
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    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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    more details. You should have received a copy of the GNU General Public
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    License and the FreeRTOS license exception along with FreeRTOS; if not it
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    can be viewed here: http://www.freertos.org/a00114.html and also obtained
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    by writing to Richard Barry, contact details for whom are available on the
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    FreeRTOS WEB site.
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    1 tab == 4 spaces!
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    http://www.FreeRTOS.org - Documentation, latest information, license and
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    contact details.
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    http://www.SafeRTOS.com - A version that is certified for use in safety
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    critical systems.
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    http://www.OpenRTOS.com - Commercial support, development, porting,
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    licensing and training services.
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*/
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/*-----------------------------------------------------------
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 * Characters on the LCD are used to simulate LED's.  In this case the 'ParTest'
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 * is really operating on the LCD display.
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 *-----------------------------------------------------------*/
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/*
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 * This demo is configured to execute on the ES449 prototyping board from
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 * SoftBaugh. The ES449 has a built in LCD display and a single built in user
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 * LED.  Therefore, in place of flashing an LED, the 'flash' and 'check' tasks
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 * toggle '*' characters on the LCD.  The left most '*' represents LED 0, the
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 * next LED 1, etc.
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 *
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 * There is a single genuine on board LED referenced as LED 10.
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 */
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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#include "task.h"
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/* Demo application includes. */
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#include "partest.h"
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/* Constants required to setup the LCD. */
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#define LCD_DIV_64 5
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/* Constants required to access the "LED's".  The LED segments are turned on
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and off to generate '*' characters. */
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#define partstNUM_LEDS                  ( ( unsigned portCHAR ) 6 )
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#define partstSEGMENTS_ON               ( ( unsigned portCHAR ) 0x0f )
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#define partstSEGMENTS_OFF              ( ( unsigned portCHAR ) 0x00 )
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/* The LED number of the real on board LED, rather than a simulated LED. */
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#define partstON_BOARD_LED              ( ( unsigned portBASE_TYPE ) 10 )
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#define mainON_BOARD_LED_BIT    ( ( unsigned portCHAR ) 0x01 )
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/* The LCD segments used to generate the '*' characters for LED's 0 to 5. */
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unsigned portCHAR * const ucRHSSegments[ partstNUM_LEDS ] = {   ( unsigned portCHAR * )0xa4,
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                                                                                                                                ( unsigned portCHAR * )0xa2,
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                                                                                                                                ( unsigned portCHAR * )0xa0,
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                                                                                                                                ( unsigned portCHAR * )0x9e,
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                                                                                                                                ( unsigned portCHAR * )0x9c,
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                                                                                                                                ( unsigned portCHAR * )0x9a };
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unsigned portCHAR * const ucLHSSegments[ partstNUM_LEDS ] = {   ( unsigned portCHAR * )0xa3,
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                                                                                                                                ( unsigned portCHAR * )0xa1,
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                                                                                                                                ( unsigned portCHAR * )0x9f,
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                                                                                                                                ( unsigned portCHAR * )0x9d,
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                                                                                                                                ( unsigned portCHAR * )0x9b,
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                                                                                                                                ( unsigned portCHAR * )0x99 };
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/*
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 * Toggle the single genuine built in LED.
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 */
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static void prvToggleOnBoardLED( void );
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/*-----------------------------------------------------------*/
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void vParTestInitialise( void )
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{
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        /* Initialise the LCD hardware. */
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        /* Used for the onboard LED. */
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        P1DIR = 0x01;
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        // Setup Basic Timer for LCD operation
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        BTCTL = (LCD_DIV_64+0x23);
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        // Setup port functions
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        P1SEL = 0x32;
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        P2SEL = 0x00;
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        P3SEL = 0x00;
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        P4SEL = 0xFC;
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        P5SEL = 0xFF;
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        /* Initialise all segments to off. */
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        LCDM1 = partstSEGMENTS_OFF;
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        LCDM2 = partstSEGMENTS_OFF;
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        LCDM3 = partstSEGMENTS_OFF;
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        LCDM4 = partstSEGMENTS_OFF;
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        LCDM5 = partstSEGMENTS_OFF;
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        LCDM6 = partstSEGMENTS_OFF;
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        LCDM7 = partstSEGMENTS_OFF;
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        LCDM8 = partstSEGMENTS_OFF;
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        LCDM9 = partstSEGMENTS_OFF;
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        LCDM10 = partstSEGMENTS_OFF;
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        LCDM11 = partstSEGMENTS_OFF;
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        LCDM12 = partstSEGMENTS_OFF;
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        LCDM13 = partstSEGMENTS_OFF;
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        LCDM14 = partstSEGMENTS_OFF;
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        LCDM15 = partstSEGMENTS_OFF;
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        LCDM16 = partstSEGMENTS_OFF;
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        LCDM17 = partstSEGMENTS_OFF;
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        LCDM18 = partstSEGMENTS_OFF;
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        LCDM19 = partstSEGMENTS_OFF;
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        LCDM20 = partstSEGMENTS_OFF;
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        /* Setup LCD control. */
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        LCDCTL = (LCDSG0_7|LCD4MUX|LCDON);
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}
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/*-----------------------------------------------------------*/
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void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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{
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        /* Set or clear the output [in this case show or hide the '*' character. */
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        if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
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        {
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                vTaskSuspendAll();
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                {
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                        if( xValue )
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                        {
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                                /* Turn on the segments required to show the '*'. */
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                                *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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                                *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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                        }
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                        else
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                        {
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                                /* Turn off all the segments. */
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                                *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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                                *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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                        }
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                }
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                xTaskResumeAll();
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        }
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}
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/*-----------------------------------------------------------*/
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void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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{
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        if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
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        {
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                vTaskSuspendAll();
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                {
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                        /* If the '*' is already showing - hide it.  If it is not already
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                        showing then show it. */
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                        if( *( ucRHSSegments[ uxLED ] ) )
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                        {
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                                *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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                                *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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                        }
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                        else
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                        {
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                                *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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                                *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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                        }
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                }
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                xTaskResumeAll();
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        }
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        else
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        {
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                if( uxLED == partstON_BOARD_LED )
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                {
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                        /* The request related to the genuine on board LED. */
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                        prvToggleOnBoardLED();
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                }
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        }
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}
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/*-----------------------------------------------------------*/
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static void prvToggleOnBoardLED( void )
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{
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static unsigned portSHORT sState = pdFALSE;
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        /* Toggle the state of the single genuine on board LED. */
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        if( sState )
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        {
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                P1OUT |= mainON_BOARD_LED_BIT;
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        }
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        else
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        {
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                P1OUT &= ~mainON_BOARD_LED_BIT;
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        }
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        sState = !sState;
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}
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/*-----------------------------------------------------------*/
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