/* FreeRTOS V8.0.1 - Copyright (C) 2014 Real Time Engineers Ltd. All rights reserved VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. *************************************************************************** * * * FreeRTOS provides completely free yet professionally developed, * * robust, strictly quality controlled, supported, and cross * * platform software that has become a de facto standard. * * * * Help yourself get started quickly and support the FreeRTOS * * project by purchasing a FreeRTOS tutorial book, reference * * manual, or both from: http://www.FreeRTOS.org/Documentation * * * * Thank you! * * * *************************************************************************** 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 from 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?" * * * * 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, a DOS compatible FAT file system, and our tiny thread aware UDP/IP stack. http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS licenses offer ticketed support, indemnification and 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! */ /*----------------------------------------------------------- * 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. */ /* Standard includes. */ #include /* 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; } /*-----------------------------------------------------------*/