2 FreeRTOS V7.4.0 - Copyright (C) 2013 Real Time Engineers Ltd.
\r
4 FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT
\r
5 http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
\r
7 ***************************************************************************
\r
9 * FreeRTOS tutorial books are available in pdf and paperback. *
\r
10 * Complete, revised, and edited pdf reference manuals are also *
\r
13 * Purchasing FreeRTOS documentation will not only help you, by *
\r
14 * ensuring you get running as quickly as possible and with an *
\r
15 * in-depth knowledge of how to use FreeRTOS, it will also help *
\r
16 * the FreeRTOS project to continue with its mission of providing *
\r
17 * professional grade, cross platform, de facto standard solutions *
\r
18 * for microcontrollers - completely free of charge! *
\r
20 * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
\r
22 * Thank you for using FreeRTOS, and thank you for your support! *
\r
24 ***************************************************************************
\r
27 This file is part of the FreeRTOS distribution.
\r
29 FreeRTOS is free software; you can redistribute it and/or modify it under
\r
30 the terms of the GNU General Public License (version 2) as published by the
\r
31 Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
\r
33 >>>>>>NOTE<<<<<< The modification to the GPL is included to allow you to
\r
34 distribute a combined work that includes FreeRTOS without being obliged to
\r
35 provide the source code for proprietary components outside of the FreeRTOS
\r
38 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
\r
39 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
\r
40 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
\r
41 details. You should have received a copy of the GNU General Public License
\r
42 and the FreeRTOS license exception along with FreeRTOS; if not itcan be
\r
43 viewed here: http://www.freertos.org/a00114.html and also obtained by
\r
44 writing to Real Time Engineers Ltd., contact details for whom are available
\r
45 on the FreeRTOS WEB site.
\r
49 ***************************************************************************
\r
51 * Having a problem? Start by reading the FAQ "My application does *
\r
52 * not run, what could be wrong?" *
\r
54 * http://www.FreeRTOS.org/FAQHelp.html *
\r
56 ***************************************************************************
\r
59 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
\r
60 license and Real Time Engineers Ltd. contact details.
\r
62 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
\r
63 including FreeRTOS+Trace - an indispensable productivity tool, and our new
\r
64 fully thread aware and reentrant UDP/IP stack.
\r
66 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
\r
67 Integrity Systems, who sell the code with commercial support,
\r
68 indemnification and middleware, under the OpenRTOS brand.
\r
70 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
\r
71 engineered and independently SIL3 certified version for use in safety and
\r
72 mission critical applications that require provable dependability.
\r
75 /*-----------------------------------------------------------
\r
76 * Simple parallel port IO routines.
\r
77 *-----------------------------------------------------------*/
\r
79 /* Kernel includes. */
\r
80 #include "FreeRTOS.h"
\r
83 /* Library includes. */
\r
84 #include "mss_gpio.h"
\r
86 #define partstMAX_LEDS 8
\r
88 static volatile unsigned long ulGPIOState = 0UL;
\r
90 /*-----------------------------------------------------------*/
\r
92 void vParTestInitialise( void )
\r
96 /* Initialise the GPIO */
\r
99 /* Set up GPIO for the LEDs. */
\r
100 for( x = 0; x < partstMAX_LEDS; x++ )
\r
102 MSS_GPIO_config( ( mss_gpio_id_t ) x , MSS_GPIO_OUTPUT_MODE );
\r
105 /* All LEDs start off. */
\r
106 ulGPIOState = 0xffffffffUL;
\r
107 MSS_GPIO_set_outputs( ulGPIOState );
\r
109 /*-----------------------------------------------------------*/
\r
111 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
\r
113 if( uxLED < partstMAX_LEDS )
\r
115 /* A critical section is used as the LEDs are also accessed from an
\r
117 taskENTER_CRITICAL();
\r
119 if( xValue == pdTRUE )
\r
121 ulGPIOState &= ~( 1UL << uxLED );
\r
125 ulGPIOState |= ( 1UL << uxLED );
\r
128 MSS_GPIO_set_outputs( ulGPIOState );
\r
130 taskEXIT_CRITICAL();
\r
133 /*-----------------------------------------------------------*/
\r
135 void vParTestSetLEDFromISR( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
\r
137 unsigned portBASE_TYPE uxInterruptFlags;
\r
139 uxInterruptFlags = portSET_INTERRUPT_MASK_FROM_ISR();
\r
141 if( uxLED < partstMAX_LEDS )
\r
143 if( xValue == pdTRUE )
\r
145 ulGPIOState &= ~( 1UL << uxLED );
\r
149 ulGPIOState |= ( 1UL << uxLED );
\r
152 MSS_GPIO_set_outputs( ulGPIOState );
\r
155 portCLEAR_INTERRUPT_MASK_FROM_ISR( uxInterruptFlags );
\r
157 /*-----------------------------------------------------------*/
\r
159 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
\r
161 if( uxLED < partstMAX_LEDS )
\r
163 /* A critical section is used as the LEDs are also accessed from an
\r
165 taskENTER_CRITICAL();
\r
167 if( ( ulGPIOState & ( 1UL << uxLED ) ) != 0UL )
\r
169 ulGPIOState &= ~( 1UL << uxLED );
\r
173 ulGPIOState |= ( 1UL << uxLED );
\r
176 MSS_GPIO_set_outputs( ulGPIOState );
\r
178 taskEXIT_CRITICAL();
\r
181 /*-----------------------------------------------------------*/
\r
183 long lParTestGetLEDState( unsigned long ulLED )
\r
185 long lReturn = pdFALSE;
\r
187 if( ulLED < partstMAX_LEDS )
\r
189 taskENTER_CRITICAL();
\r
191 if( ( ulGPIOState & ( 1UL << ulLED ) ) == 0UL )
\r
196 taskEXIT_CRITICAL();
\r
201 /*-----------------------------------------------------------*/
\r