2 FreeRTOS V7.3.0 - Copyright (C) 2012 Real Time Engineers Ltd.
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4 FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT
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5 http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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7 ***************************************************************************
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9 * FreeRTOS tutorial books are available in pdf and paperback. *
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10 * Complete, revised, and edited pdf reference manuals are also *
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13 * Purchasing FreeRTOS documentation will not only help you, by *
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14 * ensuring you get running as quickly as possible and with an *
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15 * in-depth knowledge of how to use FreeRTOS, it will also help *
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16 * the FreeRTOS project to continue with its mission of providing *
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17 * professional grade, cross platform, de facto standard solutions *
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18 * for microcontrollers - completely free of charge! *
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20 * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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22 * Thank you for using FreeRTOS, and thank you for your support! *
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24 ***************************************************************************
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27 This file is part of the FreeRTOS distribution.
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29 FreeRTOS is free software; you can redistribute it and/or modify it under
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30 the terms of the GNU General Public License (version 2) as published by the
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31 Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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32 >>>NOTE<<< The modification to the GPL is included to allow you to
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33 distribute a combined work that includes FreeRTOS without being obliged to
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34 provide the source code for proprietary components outside of the FreeRTOS
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35 kernel. FreeRTOS is distributed in the hope that it will be useful, but
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36 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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37 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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38 more details. You should have received a copy of the GNU General Public
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39 License and the FreeRTOS license exception along with FreeRTOS; if not it
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40 can be viewed here: http://www.freertos.org/a00114.html and also obtained
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41 by writing to Richard Barry, contact details for whom are available on the
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46 ***************************************************************************
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48 * Having a problem? Start by reading the FAQ "My application does *
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49 * not run, what could be wrong?" *
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51 * http://www.FreeRTOS.org/FAQHelp.html *
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53 ***************************************************************************
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56 http://www.FreeRTOS.org - Documentation, training, latest versions, license
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57 and contact details.
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59 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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60 including FreeRTOS+Trace - an indispensable productivity tool.
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62 Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell
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63 the code with commercial support, indemnification, and middleware, under
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64 the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also
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65 provide a safety engineered and independently SIL3 certified version under
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66 the SafeRTOS brand: http://www.SafeRTOS.com.
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69 /* Library includes. */
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70 #include "75x_GPIO.h"
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71 #include "75x_map.h"
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73 /* Scheduler includes. */
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74 #include "FreeRTOS.h"
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76 /* Demo application includes. */
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77 #include "partest.h"
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79 /*-----------------------------------------------------------
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80 * Simple parallel port IO routines for the LED's
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81 *-----------------------------------------------------------*/
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83 #define partstNUM_LEDS 4
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85 typedef struct GPIOMAP
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87 GPIO_TypeDef *pxPort;
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88 unsigned long ulPin;
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89 unsigned long ulValue;
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92 static GPIO_MAP xLEDMap[ partstNUM_LEDS ] =
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94 { ( GPIO_TypeDef * )GPIO1_BASE, GPIO_Pin_1, 0UL },
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95 { ( GPIO_TypeDef * )GPIO0_BASE, GPIO_Pin_16, 0UL },
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96 { ( GPIO_TypeDef * )GPIO2_BASE, GPIO_Pin_18, 0UL },
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97 { ( GPIO_TypeDef * )GPIO2_BASE, GPIO_Pin_19, 0UL }
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100 /*-----------------------------------------------------------*/
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102 void vParTestInitialise( void )
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104 GPIO_InitTypeDef GPIO_InitStructure ;
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106 /* Configure the bits used to flash LED's on port 1 as output. */
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108 /* Configure LED3 */
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109 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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110 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_16;
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111 GPIO_Init(GPIO0,&GPIO_InitStructure);
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113 /* Configure LED2 */
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114 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
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115 GPIO_Init(GPIO1, &GPIO_InitStructure);
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117 /* Configure LED4 and LED5 */
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118 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_18 | GPIO_Pin_19;
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119 GPIO_Init(GPIO2, &GPIO_InitStructure);
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121 vParTestSetLED( 0, 0 );
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122 vParTestSetLED( 1, 0 );
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123 vParTestSetLED( 2, 0 );
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124 vParTestSetLED( 3, 0 );
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126 /*-----------------------------------------------------------*/
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128 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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130 if( uxLED < partstNUM_LEDS )
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132 portENTER_CRITICAL();
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136 GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_RESET );
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137 xLEDMap[ uxLED ].ulValue = 0;
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141 GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_SET );
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142 xLEDMap[ uxLED ].ulValue = 1;
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145 portEXIT_CRITICAL();
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148 /*-----------------------------------------------------------*/
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150 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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152 if( uxLED < partstNUM_LEDS )
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154 portENTER_CRITICAL();
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156 if( xLEDMap[ uxLED ].ulValue == 1 )
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158 GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_RESET );
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159 xLEDMap[ uxLED ].ulValue = 0;
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163 GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_SET );
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164 xLEDMap[ uxLED ].ulValue = 1;
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167 portEXIT_CRITICAL();
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