2 FreeRTOS.org V5.4.0 - Copyright (C) 2003-2009 Richard Barry.
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4 This file is part of the FreeRTOS.org distribution.
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6 FreeRTOS.org is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License (version 2) as published
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8 by the Free Software Foundation and modified by the FreeRTOS exception.
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9 **NOTE** The exception to the GPL is included to allow you to distribute a
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10 combined work that includes FreeRTOS.org without being obliged to provide
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11 the source code for any proprietary components. Alternative commercial
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12 license and support terms are also available upon request. See the
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13 licensing section of http://www.FreeRTOS.org for full details.
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15 FreeRTOS.org is distributed in the hope that it will be useful, but WITHOUT
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16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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20 You should have received a copy of the GNU General Public License along
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21 with FreeRTOS.org; if not, write to the Free Software Foundation, Inc., 59
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22 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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25 ***************************************************************************
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27 * Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation *
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29 * This is a concise, step by step, 'hands on' guide that describes both *
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30 * general multitasking concepts and FreeRTOS specifics. It presents and *
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31 * explains numerous examples that are written using the FreeRTOS API. *
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32 * Full source code for all the examples is provided in an accompanying *
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35 ***************************************************************************
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39 Please ensure to read the configuration and relevant port sections of the
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40 online documentation.
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42 http://www.FreeRTOS.org - Documentation, latest information, license and
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45 http://www.SafeRTOS.com - A version that is certified for use in safety
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48 http://www.OpenRTOS.com - Commercial support, development, porting,
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49 licensing and training services.
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52 /* Library includes. */
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53 #include "75x_GPIO.h"
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54 #include "75x_map.h"
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56 /* Scheduler includes. */
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57 #include "FreeRTOS.h"
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59 /* Demo application includes. */
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60 #include "partest.h"
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62 /*-----------------------------------------------------------
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63 * Simple parallel port IO routines for the LED's
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64 *-----------------------------------------------------------*/
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66 #define partstNUM_LEDS 4
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68 typedef struct GPIOMAP
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70 GPIO_TypeDef *pxPort;
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71 unsigned portLONG ulPin;
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72 unsigned portLONG ulValue;
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75 static GPIO_MAP xLEDMap[ partstNUM_LEDS ] =
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77 { ( GPIO_TypeDef * )GPIO1_BASE, GPIO_Pin_1, 0UL },
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78 { ( GPIO_TypeDef * )GPIO0_BASE, GPIO_Pin_16, 0UL },
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79 { ( GPIO_TypeDef * )GPIO2_BASE, GPIO_Pin_18, 0UL },
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80 { ( GPIO_TypeDef * )GPIO2_BASE, GPIO_Pin_19, 0UL }
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83 /*-----------------------------------------------------------*/
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85 void vParTestInitialise( void )
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87 GPIO_InitTypeDef GPIO_InitStructure ;
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89 /* Configure the bits used to flash LED's on port 1 as output. */
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91 /* Configure LED3 */
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92 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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93 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_16;
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94 GPIO_Init(GPIO0,&GPIO_InitStructure);
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96 /* Configure LED2 */
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97 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
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98 GPIO_Init(GPIO1, &GPIO_InitStructure);
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100 /* Configure LED4 and LED5 */
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101 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_18 | GPIO_Pin_19;
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102 GPIO_Init(GPIO2, &GPIO_InitStructure);
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104 vParTestSetLED( 0, 0 );
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105 vParTestSetLED( 1, 0 );
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106 vParTestSetLED( 2, 0 );
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107 vParTestSetLED( 3, 0 );
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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 < partstNUM_LEDS )
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115 portENTER_CRITICAL();
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119 GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_RESET );
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120 xLEDMap[ uxLED ].ulValue = 0;
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124 GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_SET );
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125 xLEDMap[ uxLED ].ulValue = 1;
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128 portEXIT_CRITICAL();
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131 /*-----------------------------------------------------------*/
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133 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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135 if( uxLED < partstNUM_LEDS )
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137 portENTER_CRITICAL();
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139 if( xLEDMap[ uxLED ].ulValue == 1 )
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141 GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_RESET );
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142 xLEDMap[ uxLED ].ulValue = 0;
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146 GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_SET );
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147 xLEDMap[ uxLED ].ulValue = 1;
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150 portEXIT_CRITICAL();
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