| /* | |
| FreeRTOS V8.0.1 - Copyright (C) 2014 Real Time Engineers Ltd. | |
| All rights reserved | |
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| *************************************************************************** | |
| * * | |
| * 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 * | |
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| *************************************************************************** | |
| 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 | |
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| engineered and independently SIL3 certified version for use in safety and | |
| mission critical applications that require provable dependability. | |
| 1 tab == 4 spaces! | |
| */ | |
| /*----------------------------------------------------------- | |
| * Simple parallel port IO routines. | |
| *-----------------------------------------------------------*/ | |
| /* Kernel includes. */ | |
| #include "FreeRTOS.h" | |
| #include "task.h" | |
| /* Library includes. */ | |
| #include "mss_gpio.h" | |
| #define partstMAX_LEDS 8 | |
| static volatile unsigned long ulGPIOState = 0UL; | |
| /*-----------------------------------------------------------*/ | |
| void vParTestInitialise( void ) | |
| { | |
| long x; | |
| /* Initialise the GPIO */ | |
| MSS_GPIO_init(); | |
| /* Set up GPIO for the LEDs. */ | |
| for( x = 0; x < partstMAX_LEDS; x++ ) | |
| { | |
| MSS_GPIO_config( ( mss_gpio_id_t ) x , MSS_GPIO_OUTPUT_MODE ); | |
| } | |
| /* All LEDs start off. */ | |
| ulGPIOState = 0xffffffffUL; | |
| MSS_GPIO_set_outputs( ulGPIOState ); | |
| } | |
| /*-----------------------------------------------------------*/ | |
| void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue ) | |
| { | |
| if( uxLED < partstMAX_LEDS ) | |
| { | |
| /* A critical section is used as the LEDs are also accessed from an | |
| interrupt. */ | |
| taskENTER_CRITICAL(); | |
| { | |
| if( xValue == pdTRUE ) | |
| { | |
| ulGPIOState &= ~( 1UL << uxLED ); | |
| } | |
| else | |
| { | |
| ulGPIOState |= ( 1UL << uxLED ); | |
| } | |
| MSS_GPIO_set_outputs( ulGPIOState ); | |
| } | |
| taskEXIT_CRITICAL(); | |
| } | |
| } | |
| /*-----------------------------------------------------------*/ | |
| void vParTestSetLEDFromISR( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue ) | |
| { | |
| unsigned portBASE_TYPE uxInterruptFlags; | |
| uxInterruptFlags = portSET_INTERRUPT_MASK_FROM_ISR(); | |
| { | |
| if( uxLED < partstMAX_LEDS ) | |
| { | |
| if( xValue == pdTRUE ) | |
| { | |
| ulGPIOState &= ~( 1UL << uxLED ); | |
| } | |
| else | |
| { | |
| ulGPIOState |= ( 1UL << uxLED ); | |
| } | |
| MSS_GPIO_set_outputs( ulGPIOState ); | |
| } | |
| } | |
| portCLEAR_INTERRUPT_MASK_FROM_ISR( uxInterruptFlags ); | |
| } | |
| /*-----------------------------------------------------------*/ | |
| void vParTestToggleLED( unsigned portBASE_TYPE uxLED ) | |
| { | |
| if( uxLED < partstMAX_LEDS ) | |
| { | |
| /* A critical section is used as the LEDs are also accessed from an | |
| interrupt. */ | |
| taskENTER_CRITICAL(); | |
| { | |
| if( ( ulGPIOState & ( 1UL << uxLED ) ) != 0UL ) | |
| { | |
| ulGPIOState &= ~( 1UL << uxLED ); | |
| } | |
| else | |
| { | |
| ulGPIOState |= ( 1UL << uxLED ); | |
| } | |
| MSS_GPIO_set_outputs( ulGPIOState ); | |
| } | |
| taskEXIT_CRITICAL(); | |
| } | |
| } | |
| /*-----------------------------------------------------------*/ | |
| long lParTestGetLEDState( unsigned long ulLED ) | |
| { | |
| long lReturn = pdFALSE; | |
| if( ulLED < partstMAX_LEDS ) | |
| { | |
| taskENTER_CRITICAL(); | |
| { | |
| if( ( ulGPIOState & ( 1UL << ulLED ) ) == 0UL ) | |
| { | |
| lReturn = pdTRUE; | |
| } | |
| } | |
| taskEXIT_CRITICAL(); | |
| } | |
| return lReturn; | |
| } | |
| /*-----------------------------------------------------------*/ |