| /* | |
| FreeRTOS V6.0.3 - Copyright (C) 2010 Real Time Engineers Ltd. | |
| *************************************************************************** | |
| * * | |
| * If you are: * | |
| * * | |
| * + New to FreeRTOS, * | |
| * + Wanting to learn FreeRTOS or multitasking in general quickly * | |
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| * * | |
| * then take a look at the FreeRTOS eBook * | |
| * * | |
| * "Using the FreeRTOS Real Time Kernel - a Practical Guide" * | |
| * http://www.FreeRTOS.org/Documentation * | |
| * * | |
| * A pdf reference manual is also available. Both are usually delivered * | |
| * to your inbox within 20 minutes to two hours when purchased between 8am * | |
| * and 8pm GMT (although please allow up to 24 hours in case of * | |
| * exceptional circumstances). 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 exception 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 it | |
| can be viewed here: http://www.freertos.org/a00114.html and also obtained | |
| by writing to Richard Barry, contact details for whom are available on the | |
| FreeRTOS WEB site. | |
| 1 tab == 4 spaces! | |
| http://www.FreeRTOS.org - Documentation, latest information, license and | |
| contact details. | |
| http://www.SafeRTOS.com - A version that is certified for use in safety | |
| critical systems. | |
| http://www.OpenRTOS.com - Commercial support, development, porting, | |
| licensing and training services. | |
| */ | |
| /*----------------------------------------------------------- | |
| * 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 portCHAR ) 6 ) | |
| #define partstSEGMENTS_ON ( ( unsigned portCHAR ) 0x0f ) | |
| #define partstSEGMENTS_OFF ( ( unsigned portCHAR ) 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 portCHAR ) 0x01 ) | |
| /* The LCD segments used to generate the '*' characters for LED's 0 to 5. */ | |
| unsigned portCHAR * const ucRHSSegments[ partstNUM_LEDS ] = { ( unsigned portCHAR * )0xa4, | |
| ( unsigned portCHAR * )0xa2, | |
| ( unsigned portCHAR * )0xa0, | |
| ( unsigned portCHAR * )0x9e, | |
| ( unsigned portCHAR * )0x9c, | |
| ( unsigned portCHAR * )0x9a }; | |
| unsigned portCHAR * const ucLHSSegments[ partstNUM_LEDS ] = { ( unsigned portCHAR * )0xa3, | |
| ( unsigned portCHAR * )0xa1, | |
| ( unsigned portCHAR * )0x9f, | |
| ( unsigned portCHAR * )0x9d, | |
| ( unsigned portCHAR * )0x9b, | |
| ( unsigned portCHAR * )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 portSHORT 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; | |
| } | |
| /*-----------------------------------------------------------*/ | |