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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72 /* Scheduler includes. */
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73 #include "FreeRTOS.h"
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75 /* Demo application includes. */
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76 #include "partest.h"
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78 /*-----------------------------------------------------------
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79 * Simple parallel port IO routines for the LED's - which are
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80 * connected to the second nibble of GPIO port 1.
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81 *-----------------------------------------------------------*/
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83 #define partstLED_3 0x0080
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84 #define partstLED_2 0x0040
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85 #define partstLED_1 0x0020
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86 #define partstLED_0 0x0010
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87 #define partstON_BOARD 0x0100 /* The LED built onto the KickStart board. */
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89 #define partstALL_LEDs ( partstLED_0 | partstLED_1 | partstLED_2 | partstLED_3 | partstON_BOARD )
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91 #define partstFIRST_LED_BIT 4
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93 /* This demo application uses files that are common to all port demo
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94 applications. These files assume 6 LED's are available, whereas I have
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95 only 5 (including the LED built onto the development board). To prevent
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96 two tasks trying to use the same LED a bit of remapping is performed.
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97 The ComTest tasks will try and use LED's 6 and 7. LED 6 is ignored and
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98 has no effect, LED 7 is mapped to LED3. The LED usage is described in
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99 the port documentation available from the FreeRTOS.org WEB site. */
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100 #define partstCOM_TEST_LED 7
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101 #define partstRX_CHAR_LED 3
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103 /*-----------------------------------------------------------*/
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105 void vParTestInitialise( void )
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107 /* Configure the bits used to flash LED's on port 1 as output. */
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108 GPIO_Config(GPIO1, partstALL_LEDs, GPIO_OUT_OD);
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110 /*-----------------------------------------------------------*/
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112 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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114 if( uxLED == partstCOM_TEST_LED )
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116 /* Remap as described above. */
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117 uxLED = partstRX_CHAR_LED;
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120 /* Adjust the LED value to map to the port pins actually being used,
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121 then write the required value to the port. */
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122 uxLED += partstFIRST_LED_BIT;
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123 GPIO_BitWrite( GPIO1, uxLED, !xValue );
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125 /*-----------------------------------------------------------*/
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127 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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129 if( uxLED == partstCOM_TEST_LED )
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131 /* Remap as described above. */
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132 uxLED = partstRX_CHAR_LED;
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135 /* Adjust the LED value to map to the port pins actually being used,
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136 then write the opposite value to the current state to the port pin. */
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137 uxLED += partstFIRST_LED_BIT;
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138 GPIO_BitWrite(GPIO1, uxLED, ~GPIO_BitRead( GPIO1, uxLED ) );
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