| /* | |
| FreeRTOS V7.4.0 - Copyright (C) 2013 Real Time Engineers Ltd. | |
| FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT | |
| http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. | |
| *************************************************************************** | |
| * * | |
| * FreeRTOS tutorial books are available in pdf and paperback. * | |
| * Complete, revised, and edited pdf reference manuals are also * | |
| * available. * | |
| * * | |
| * Purchasing FreeRTOS documentation will not only help you, by * | |
| * ensuring you get running as quickly as possible and with an * | |
| * in-depth knowledge of how to use FreeRTOS, it will also help * | |
| * the FreeRTOS project to continue with its mission of providing * | |
| * professional grade, cross platform, de facto standard solutions * | |
| * for microcontrollers - completely free of charge! * | |
| * * | |
| * >>> See http://www.FreeRTOS.org/Documentation for details. <<< * | |
| * * | |
| * Thank you for using FreeRTOS, and thank you for your support! * | |
| * * | |
| *************************************************************************** | |
| 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. See the GNU General Public License for more | |
| details. You should have received a copy of the GNU General Public License | |
| and the FreeRTOS license exception along with FreeRTOS; if not itcan be | |
| viewed here: http://www.freertos.org/a00114.html and also obtained by | |
| writing to Real Time Engineers Ltd., contact details for whom are available | |
| on the FreeRTOS WEB site. | |
| 1 tab == 4 spaces! | |
| *************************************************************************** | |
| * * | |
| * Having a problem? Start by reading the FAQ "My application does * | |
| * not run, what could be wrong?" * | |
| * * | |
| * http://www.FreeRTOS.org/FAQHelp.html * | |
| * * | |
| *************************************************************************** | |
| 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, and our new | |
| fully thread aware and reentrant UDP/IP stack. | |
| http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High | |
| Integrity Systems, who sell the code with commercial support, | |
| indemnification and middleware, under the OpenRTOS brand. | |
| 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. | |
| */ | |
| /*----------------------------------------------------------- | |
| * Characters on the LCD are used to simulate LED's. In this case the 'ParTest' | |
| * is really operating on the LCD display. | |
| *-----------------------------------------------------------*/ | |
| /* | |
| * This demo is configured to execute on the ES449 prototyping board from | |
| * SoftBaugh. The ES449 has a built in LCD display and a single built in user | |
| * LED. Therefore, in place of flashing an LED, the 'flash' and 'check' tasks | |
| * toggle '*' characters on the LCD. The left most '*' represents LED 0, the | |
| * next LED 1, etc. | |
| * | |
| * There is a single genuine on board LED referenced as LED 10. | |
| */ | |
| /* Scheduler includes. */ | |
| #include "FreeRTOS.h" | |
| #include "task.h" | |
| /* Demo application includes. */ | |
| #include "partest.h" | |
| /* Constants required to setup the LCD. */ | |
| #define LCD_DIV_64 5 | |
| /* Constants required to access the "LED's". The LED segments are turned on | |
| and off to generate '*' characters. */ | |
| #define partstNUM_LEDS ( ( unsigned char ) 6 ) | |
| #define partstSEGMENTS_ON ( ( unsigned char ) 0x0f ) | |
| #define partstSEGMENTS_OFF ( ( unsigned char ) 0x00 ) | |
| /* The LED number of the real on board LED, rather than a simulated LED. */ | |
| #define partstON_BOARD_LED ( ( unsigned portBASE_TYPE ) 10 ) | |
| #define mainON_BOARD_LED_BIT ( ( unsigned char ) 0x01 ) | |
| /* The LCD segments used to generate the '*' characters for LED's 0 to 5. */ | |
| unsigned char * const ucRHSSegments[ partstNUM_LEDS ] = { ( unsigned char * )0xa4, | |
| ( unsigned char * )0xa2, | |
| ( unsigned char * )0xa0, | |
| ( unsigned char * )0x9e, | |
| ( unsigned char * )0x9c, | |
| ( unsigned char * )0x9a }; | |
| unsigned char * const ucLHSSegments[ partstNUM_LEDS ] = { ( unsigned char * )0xa3, | |
| ( unsigned char * )0xa1, | |
| ( unsigned char * )0x9f, | |
| ( unsigned char * )0x9d, | |
| ( unsigned char * )0x9b, | |
| ( unsigned char * )0x99 }; | |
| /* | |
| * Toggle the single genuine built in LED. | |
| */ | |
| static void prvToggleOnBoardLED( void ); | |
| /*-----------------------------------------------------------*/ | |
| void vParTestInitialise( void ) | |
| { | |
| /* Initialise the LCD hardware. */ | |
| /* Used for the onboard LED. */ | |
| P1DIR = 0x01; | |
| // Setup Basic Timer for LCD operation | |
| BTCTL = (LCD_DIV_64+0x23); | |
| // Setup port functions | |
| P1SEL = 0x32; | |
| P2SEL = 0x00; | |
| P3SEL = 0x00; | |
| P4SEL = 0xFC; | |
| P5SEL = 0xFF; | |
| /* Initialise all segments to off. */ | |
| LCDM1 = partstSEGMENTS_OFF; | |
| LCDM2 = partstSEGMENTS_OFF; | |
| LCDM3 = partstSEGMENTS_OFF; | |
| LCDM4 = partstSEGMENTS_OFF; | |
| LCDM5 = partstSEGMENTS_OFF; | |
| LCDM6 = partstSEGMENTS_OFF; | |
| LCDM7 = partstSEGMENTS_OFF; | |
| LCDM8 = partstSEGMENTS_OFF; | |
| LCDM9 = partstSEGMENTS_OFF; | |
| LCDM10 = partstSEGMENTS_OFF; | |
| LCDM11 = partstSEGMENTS_OFF; | |
| LCDM12 = partstSEGMENTS_OFF; | |
| LCDM13 = partstSEGMENTS_OFF; | |
| LCDM14 = partstSEGMENTS_OFF; | |
| LCDM15 = partstSEGMENTS_OFF; | |
| LCDM16 = partstSEGMENTS_OFF; | |
| LCDM17 = partstSEGMENTS_OFF; | |
| LCDM18 = partstSEGMENTS_OFF; | |
| LCDM19 = partstSEGMENTS_OFF; | |
| LCDM20 = partstSEGMENTS_OFF; | |
| /* Setup LCD control. */ | |
| LCDCTL = (LCDSG0_7|LCD4MUX|LCDON); | |
| } | |
| /*-----------------------------------------------------------*/ | |
| void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue ) | |
| { | |
| /* Set or clear the output [in this case show or hide the '*' character. */ | |
| if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS ) | |
| { | |
| vTaskSuspendAll(); | |
| { | |
| if( xValue ) | |
| { | |
| /* Turn on the segments required to show the '*'. */ | |
| *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_ON; | |
| *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_ON; | |
| } | |
| else | |
| { | |
| /* Turn off all the segments. */ | |
| *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_OFF; | |
| *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_OFF; | |
| } | |
| } | |
| xTaskResumeAll(); | |
| } | |
| } | |
| /*-----------------------------------------------------------*/ | |
| void vParTestToggleLED( unsigned portBASE_TYPE uxLED ) | |
| { | |
| if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS ) | |
| { | |
| vTaskSuspendAll(); | |
| { | |
| /* If the '*' is already showing - hide it. If it is not already | |
| showing then show it. */ | |
| if( *( ucRHSSegments[ uxLED ] ) ) | |
| { | |
| *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_OFF; | |
| *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_OFF; | |
| } | |
| else | |
| { | |
| *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_ON; | |
| *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_ON; | |
| } | |
| } | |
| xTaskResumeAll(); | |
| } | |
| else | |
| { | |
| if( uxLED == partstON_BOARD_LED ) | |
| { | |
| /* The request related to the genuine on board LED. */ | |
| prvToggleOnBoardLED(); | |
| } | |
| } | |
| } | |
| /*-----------------------------------------------------------*/ | |
| static void prvToggleOnBoardLED( void ) | |
| { | |
| static unsigned short sState = pdFALSE; | |
| /* Toggle the state of the single genuine on board LED. */ | |
| if( sState ) | |
| { | |
| P1OUT |= mainON_BOARD_LED_BIT; | |
| } | |
| else | |
| { | |
| P1OUT &= ~mainON_BOARD_LED_BIT; | |
| } | |
| sState = !sState; | |
| } | |
| /*-----------------------------------------------------------*/ | |