2 FreeRTOS V7.0.1 - Copyright (C) 2011 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 http://www.FreeRTOS.org - Documentation, latest information, license and
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47 http://www.SafeRTOS.com - A version that is certified for use in safety
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50 http://www.OpenRTOS.com - Commercial support, development, porting,
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51 licensing and training services.
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54 /* Library includes. */
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55 #include "75x_GPIO.h"
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56 #include "75x_map.h"
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58 /* Scheduler includes. */
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59 #include "FreeRTOS.h"
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61 /* Demo application includes. */
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62 #include "partest.h"
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64 /*-----------------------------------------------------------
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65 * Simple parallel port IO routines for the LED's
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66 *-----------------------------------------------------------*/
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68 #define partstNUM_LEDS 4
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70 typedef struct GPIOMAP
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72 GPIO_TypeDef *pxPort;
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73 unsigned long ulPin;
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74 unsigned long ulValue;
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77 static GPIO_MAP xLEDMap[ partstNUM_LEDS ] =
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79 { ( GPIO_TypeDef * )GPIO1_BASE, GPIO_Pin_1, 0UL },
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80 { ( GPIO_TypeDef * )GPIO0_BASE, GPIO_Pin_16, 0UL },
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81 { ( GPIO_TypeDef * )GPIO2_BASE, GPIO_Pin_18, 0UL },
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82 { ( GPIO_TypeDef * )GPIO2_BASE, GPIO_Pin_19, 0UL }
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85 /*-----------------------------------------------------------*/
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87 void vParTestInitialise( void )
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89 GPIO_InitTypeDef GPIO_InitStructure ;
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91 /* Configure the bits used to flash LED's on port 1 as output. */
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93 /* Configure LED3 */
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94 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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95 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_16;
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96 GPIO_Init(GPIO0,&GPIO_InitStructure);
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98 /* Configure LED2 */
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99 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
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100 GPIO_Init(GPIO1, &GPIO_InitStructure);
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102 /* Configure LED4 and LED5 */
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103 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_18 | GPIO_Pin_19;
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104 GPIO_Init(GPIO2, &GPIO_InitStructure);
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106 vParTestSetLED( 0, 0 );
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107 vParTestSetLED( 1, 0 );
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108 vParTestSetLED( 2, 0 );
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109 vParTestSetLED( 3, 0 );
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111 /*-----------------------------------------------------------*/
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113 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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115 if( uxLED < partstNUM_LEDS )
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117 portENTER_CRITICAL();
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121 GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_RESET );
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122 xLEDMap[ uxLED ].ulValue = 0;
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126 GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_SET );
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127 xLEDMap[ uxLED ].ulValue = 1;
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130 portEXIT_CRITICAL();
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133 /*-----------------------------------------------------------*/
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135 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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137 if( uxLED < partstNUM_LEDS )
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139 portENTER_CRITICAL();
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141 if( xLEDMap[ uxLED ].ulValue == 1 )
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143 GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_RESET );
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144 xLEDMap[ uxLED ].ulValue = 0;
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148 GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_SET );
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149 xLEDMap[ uxLED ].ulValue = 1;
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152 portEXIT_CRITICAL();
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