2 FreeRTOS.org V4.7.0 - Copyright (C) 2003-2007 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
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 2 of the License, or
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9 (at your option) any later version.
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11 FreeRTOS.org is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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16 You should have received a copy of the GNU General Public License
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17 along with FreeRTOS.org; if not, write to the Free Software
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18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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20 A special exception to the GPL can be applied should you wish to distribute
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21 a combined work that includes FreeRTOS.org, without being obliged to provide
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22 the source code for any proprietary components. See the licensing section
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23 of http://www.FreeRTOS.org for full details of how and when the exception
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26 ***************************************************************************
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27 See http://www.FreeRTOS.org for documentation, latest information, license
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28 and contact details. Please ensure to read the configuration and relevant
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29 port sections of the online documentation.
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31 Also see http://www.SafeRTOS.com a version that has been certified for use
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32 in safety critical systems, plus commercial licensing, development and
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34 ***************************************************************************
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37 /* Library includes. */
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38 #include "75x_GPIO.h"
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39 #include "75x_map.h"
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41 /* Scheduler includes. */
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42 #include "FreeRTOS.h"
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44 /* Demo application includes. */
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45 #include "partest.h"
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47 /*-----------------------------------------------------------
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48 * Simple parallel port IO routines for the LED's
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49 *-----------------------------------------------------------*/
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51 #define partstNUM_LEDS 4
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53 typedef struct GPIOMAP
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55 GPIO_TypeDef *pxPort;
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56 unsigned portLONG ulPin;
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57 unsigned portLONG ulValue;
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60 static GPIO_MAP xLEDMap[ partstNUM_LEDS ] =
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62 { ( GPIO_TypeDef * )GPIO1_BASE, GPIO_Pin_1, 0UL },
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63 { ( GPIO_TypeDef * )GPIO0_BASE, GPIO_Pin_16, 0UL },
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64 { ( GPIO_TypeDef * )GPIO2_BASE, GPIO_Pin_18, 0UL },
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65 { ( GPIO_TypeDef * )GPIO2_BASE, GPIO_Pin_19, 0UL }
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68 /*-----------------------------------------------------------*/
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70 void vParTestInitialise( void )
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72 GPIO_InitTypeDef GPIO_InitStructure ;
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74 /* Configure the bits used to flash LED's on port 1 as output. */
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76 /* Configure LED3 */
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77 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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78 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_16;
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79 GPIO_Init(GPIO0,&GPIO_InitStructure);
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81 /* Configure LED2 */
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82 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
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83 GPIO_Init(GPIO1, &GPIO_InitStructure);
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85 /* Configure LED4 and LED5 */
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86 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_18 | GPIO_Pin_19;
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87 GPIO_Init(GPIO2, &GPIO_InitStructure);
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89 vParTestSetLED( 0, 0 );
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90 vParTestSetLED( 1, 0 );
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91 vParTestSetLED( 2, 0 );
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92 vParTestSetLED( 3, 0 );
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94 /*-----------------------------------------------------------*/
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96 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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98 if( uxLED < partstNUM_LEDS )
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100 portENTER_CRITICAL();
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104 GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_RESET );
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105 xLEDMap[ uxLED ].ulValue = 0;
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109 GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_SET );
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110 xLEDMap[ uxLED ].ulValue = 1;
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113 portEXIT_CRITICAL();
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116 /*-----------------------------------------------------------*/
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118 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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120 if( uxLED < partstNUM_LEDS )
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122 portENTER_CRITICAL();
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124 if( xLEDMap[ uxLED ].ulValue == 1 )
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126 GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_RESET );
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127 xLEDMap[ uxLED ].ulValue = 0;
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131 GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_SET );
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132 xLEDMap[ uxLED ].ulValue = 1;
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135 portEXIT_CRITICAL();
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