2 FreeRTOS V7.1.1 - Copyright (C) 2012 Real Time Engineers Ltd.
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5 ***************************************************************************
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7 * FreeRTOS tutorial books are available in pdf and paperback. *
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8 * Complete, revised, and edited pdf reference manuals are also *
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11 * Purchasing FreeRTOS documentation will not only help you, by *
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12 * ensuring you get running as quickly as possible and with an *
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13 * in-depth knowledge of how to use FreeRTOS, it will also help *
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14 * the FreeRTOS project to continue with its mission of providing *
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15 * professional grade, cross platform, de facto standard solutions *
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16 * for microcontrollers - completely free of charge! *
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18 * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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20 * Thank you for using FreeRTOS, and thank you for your support! *
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22 ***************************************************************************
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25 This file is part of the FreeRTOS distribution.
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27 FreeRTOS is free software; you can redistribute it and/or modify it under
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28 the terms of the GNU General Public License (version 2) as published by the
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29 Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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30 >>>NOTE<<< The modification to the GPL is included to allow you to
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31 distribute a combined work that includes FreeRTOS without being obliged to
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32 provide the source code for proprietary components outside of the FreeRTOS
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33 kernel. FreeRTOS is distributed in the hope that it will be useful, but
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34 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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35 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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36 more details. You should have received a copy of the GNU General Public
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37 License and the FreeRTOS license exception along with FreeRTOS; if not it
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38 can be viewed here: http://www.freertos.org/a00114.html and also obtained
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39 by writing to Richard Barry, contact details for whom are available on the
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44 ***************************************************************************
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46 * Having a problem? Start by reading the FAQ "My application does *
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47 * not run, what could be wrong? *
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49 * http://www.FreeRTOS.org/FAQHelp.html *
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51 ***************************************************************************
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54 http://www.FreeRTOS.org - Documentation, training, latest information,
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55 license and contact details.
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57 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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58 including FreeRTOS+Trace - an indispensable productivity tool.
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60 Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell
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61 the code with commercial support, indemnification, and middleware, under
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62 the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also
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63 provide a safety engineered and independently SIL3 certified version under
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64 the SafeRTOS brand: http://www.SafeRTOS.com.
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67 /* Library includes. */
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68 #include "75x_GPIO.h"
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69 #include "75x_map.h"
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71 /* Scheduler includes. */
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72 #include "FreeRTOS.h"
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74 /* Demo application includes. */
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75 #include "partest.h"
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77 /*-----------------------------------------------------------
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78 * Simple parallel port IO routines for the LED's
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79 *-----------------------------------------------------------*/
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81 #define partstNUM_LEDS 4
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83 typedef struct GPIOMAP
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85 GPIO_TypeDef *pxPort;
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86 unsigned long ulPin;
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87 unsigned long ulValue;
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90 static GPIO_MAP xLEDMap[ partstNUM_LEDS ] =
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92 { ( GPIO_TypeDef * )GPIO1_BASE, GPIO_Pin_1, 0UL },
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93 { ( GPIO_TypeDef * )GPIO0_BASE, GPIO_Pin_16, 0UL },
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94 { ( GPIO_TypeDef * )GPIO2_BASE, GPIO_Pin_18, 0UL },
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95 { ( GPIO_TypeDef * )GPIO2_BASE, GPIO_Pin_19, 0UL }
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98 /*-----------------------------------------------------------*/
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100 void vParTestInitialise( void )
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102 GPIO_InitTypeDef GPIO_InitStructure ;
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104 /* Configure the bits used to flash LED's on port 1 as output. */
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106 /* Configure LED3 */
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107 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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108 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_16;
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109 GPIO_Init(GPIO0,&GPIO_InitStructure);
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111 /* Configure LED2 */
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112 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
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113 GPIO_Init(GPIO1, &GPIO_InitStructure);
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115 /* Configure LED4 and LED5 */
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116 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_18 | GPIO_Pin_19;
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117 GPIO_Init(GPIO2, &GPIO_InitStructure);
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119 vParTestSetLED( 0, 0 );
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120 vParTestSetLED( 1, 0 );
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121 vParTestSetLED( 2, 0 );
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122 vParTestSetLED( 3, 0 );
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124 /*-----------------------------------------------------------*/
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126 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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128 if( uxLED < partstNUM_LEDS )
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130 portENTER_CRITICAL();
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134 GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_RESET );
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135 xLEDMap[ uxLED ].ulValue = 0;
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139 GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_SET );
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140 xLEDMap[ uxLED ].ulValue = 1;
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143 portEXIT_CRITICAL();
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146 /*-----------------------------------------------------------*/
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148 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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150 if( uxLED < partstNUM_LEDS )
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152 portENTER_CRITICAL();
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154 if( xLEDMap[ uxLED ].ulValue == 1 )
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156 GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_RESET );
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157 xLEDMap[ uxLED ].ulValue = 0;
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161 GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_SET );
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162 xLEDMap[ uxLED ].ulValue = 1;
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165 portEXIT_CRITICAL();
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