2 FreeRTOS V8.1.0 - Copyright (C) 2014 Real Time Engineers Ltd.
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5 VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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7 ***************************************************************************
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9 * FreeRTOS provides completely free yet professionally developed, *
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10 * robust, strictly quality controlled, supported, and cross *
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11 * platform software that has become a de facto standard. *
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13 * Help yourself get started quickly and support the FreeRTOS *
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14 * project by purchasing a FreeRTOS tutorial book, reference *
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15 * manual, or both from: http://www.FreeRTOS.org/Documentation *
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19 ***************************************************************************
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21 This file is part of the FreeRTOS distribution.
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23 FreeRTOS is free software; you can redistribute it and/or modify it under
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24 the terms of the GNU General Public License (version 2) as published by the
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25 Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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27 >>! NOTE: The modification to the GPL is included to allow you to !<<
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28 >>! distribute a combined work that includes FreeRTOS without being !<<
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29 >>! obliged to provide the source code for proprietary components !<<
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30 >>! outside of the FreeRTOS kernel. !<<
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32 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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33 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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34 FOR A PARTICULAR PURPOSE. Full license text is available from the following
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35 link: http://www.freertos.org/a00114.html
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39 ***************************************************************************
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41 * Having a problem? Start by reading the FAQ "My application does *
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42 * not run, what could be wrong?" *
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44 * http://www.FreeRTOS.org/FAQHelp.html *
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46 ***************************************************************************
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48 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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49 license and Real Time Engineers Ltd. contact details.
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51 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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52 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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53 compatible FAT file system, and our tiny thread aware UDP/IP stack.
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55 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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56 Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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57 licenses offer ticketed support, indemnification and middleware.
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59 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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60 engineered and independently SIL3 certified version for use in safety and
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61 mission critical applications that require provable dependability.
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66 /*-----------------------------------------------------------
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67 * Simple IO routines to control the LEDs.
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68 *-----------------------------------------------------------*/
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70 /* Scheduler includes. */
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71 #include "FreeRTOS.h"
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74 /* Demo includes. */
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75 #include "partest.h"
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77 /* Library includes. */
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81 /* The number of LEDs available to the user on the evaluation kit. */
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82 #define partestNUM_LEDS ( 3UL )
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84 /* Definitions not included in sam4s_ek.h. */
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85 #define LED2_GPIO ( PIO_PC20_IDX )
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87 /* One of the LEDs is wired in the inverse to the others as it is also used as
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89 #define partstsINVERTED_LED ( 0UL )
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91 /* The index of the pins to which the LEDs are connected. The ordering of the
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92 LEDs in this array is intentional and matches the order they appear on the
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94 static const uint32_t ulLED[] = { LED2_GPIO, LED0_GPIO, LED1_GPIO };
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96 /*-----------------------------------------------------------*/
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98 void vParTestInitialise( void )
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102 for( ul = 0; ul < partestNUM_LEDS; ul++ )
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104 /* Configure the LED, before ensuring it starts in the off state. */
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105 gpio_configure_pin( ulLED[ ul ], ( PIO_OUTPUT_1 | PIO_DEFAULT ) );
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106 vParTestSetLED( ul, pdFALSE );
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109 /*-----------------------------------------------------------*/
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111 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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113 if( uxLED < partestNUM_LEDS )
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115 if( uxLED == partstsINVERTED_LED )
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120 if( xValue != pdFALSE )
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122 /* Turn the LED on. */
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123 taskENTER_CRITICAL();
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125 gpio_set_pin_low( ulLED[ uxLED ]);
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127 taskEXIT_CRITICAL();
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131 /* Turn the LED off. */
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132 taskENTER_CRITICAL();
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134 gpio_set_pin_high( ulLED[ uxLED ]);
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136 taskEXIT_CRITICAL();
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140 /*-----------------------------------------------------------*/
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142 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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144 if( uxLED < partestNUM_LEDS )
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146 taskENTER_CRITICAL();
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148 gpio_toggle_pin( ulLED[ uxLED ] );
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150 taskEXIT_CRITICAL();
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