2 FreeRTOS V7.5.2 - Copyright (C) 2013 Real Time Engineers Ltd.
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4 VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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6 ***************************************************************************
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8 * FreeRTOS provides completely free yet professionally developed, *
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9 * robust, strictly quality controlled, supported, and cross *
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10 * platform software that has become a de facto standard. *
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12 * Help yourself get started quickly and support the FreeRTOS *
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13 * project by purchasing a FreeRTOS tutorial book, reference *
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14 * manual, or both from: http://www.FreeRTOS.org/Documentation *
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18 ***************************************************************************
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20 This file is part of the FreeRTOS distribution.
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22 FreeRTOS is free software; you can redistribute it and/or modify it under
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23 the terms of the GNU General Public License (version 2) as published by the
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24 Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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26 >>! NOTE: The modification to the GPL is included to allow you to distribute
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27 >>! a combined work that includes FreeRTOS without being obliged to provide
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28 >>! the source code for proprietary components outside of the FreeRTOS
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31 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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32 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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33 FOR A PARTICULAR PURPOSE. Full license text is available from the following
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34 link: http://www.freertos.org/a00114.html
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38 ***************************************************************************
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40 * Having a problem? Start by reading the FAQ "My application does *
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41 * not run, what could be wrong?" *
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43 * http://www.FreeRTOS.org/FAQHelp.html *
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45 ***************************************************************************
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47 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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48 license and Real Time Engineers Ltd. contact details.
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50 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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51 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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52 compatible FAT file system, and our tiny thread aware UDP/IP stack.
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54 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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55 Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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56 licenses offer ticketed support, indemnification and middleware.
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58 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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59 engineered and independently SIL3 certified version for use in safety and
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60 mission critical applications that require provable dependability.
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65 /*-----------------------------------------------------------
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66 * Simple parallel port IO routines.
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67 *-----------------------------------------------------------*/
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69 /* Kernel includes. */
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70 #include "FreeRTOS.h"
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73 /* Fujitsu drivers/libraries. */
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74 #include "mb9bf506n.h"
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75 #include "system_mb9bf50x.h"
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77 /* Only the LEDs on one of the two seven segment displays are used. */
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78 #define partstMAX_LEDS 8
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80 /* The LEDs are controlled by bits 8 to 15 of the IO port. */
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81 #define partstLED_0_OFFSET 8
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83 /*-----------------------------------------------------------*/
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85 void vParTestInitialise( void )
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87 const unsigned short usGPIOState = 0xFF00U;
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89 /* Analog inputs are not used on the LED outputs. */
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90 FM3_GPIO->ADE = 0x00FF;
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92 /* LED seg1 to GPIO output (P18->P1F). */
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93 FM3_GPIO->DDR1 = 0xFF00;
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94 FM3_GPIO->PFR1 = 0x0000;
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96 /* LED seg2 to GPIO output (P30->P3F). */
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97 FM3_GPIO->DDR3 = 0xFF00;
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98 FM3_GPIO->PFR3 = 0x0000;
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100 /* Start with all LEDs off. */
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101 FM3_GPIO->PDOR3 = usGPIOState;
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102 FM3_GPIO->PDOR1 = usGPIOState;
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104 /*-----------------------------------------------------------*/
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106 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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108 if( uxLED < partstMAX_LEDS )
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110 /* A critical section is used as the LEDs are also accessed from an
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112 taskENTER_CRITICAL();
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114 if( xValue == pdTRUE )
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116 FM3_GPIO->PDOR3 &= ~( 1UL << ( uxLED + partstLED_0_OFFSET ) );
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120 FM3_GPIO->PDOR3 |= ( 1UL << ( uxLED + partstLED_0_OFFSET ) );
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123 taskEXIT_CRITICAL();
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126 /*-----------------------------------------------------------*/
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128 void vParTestSetLEDFromISR( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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130 unsigned portBASE_TYPE uxInterruptFlags;
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132 uxInterruptFlags = portSET_INTERRUPT_MASK_FROM_ISR();
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134 if( uxLED < partstMAX_LEDS )
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136 if( xValue == pdTRUE )
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138 FM3_GPIO->PDOR3 &= ~( 1UL << ( uxLED + partstLED_0_OFFSET ) );
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142 FM3_GPIO->PDOR3 |= ( 1UL << ( uxLED + partstLED_0_OFFSET ) );
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146 portCLEAR_INTERRUPT_MASK_FROM_ISR( uxInterruptFlags );
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148 /*-----------------------------------------------------------*/
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150 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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152 if( uxLED < partstMAX_LEDS )
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154 /* A critical section is used as the LEDs are also accessed from an
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156 taskENTER_CRITICAL();
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158 if( ( FM3_GPIO->PDOR3 & ( 1UL << ( uxLED + partstLED_0_OFFSET ) ) ) != 0UL )
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160 FM3_GPIO->PDOR3 &= ~( 1UL << ( uxLED + partstLED_0_OFFSET ) );
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164 FM3_GPIO->PDOR3 |= ( 1UL << ( uxLED + partstLED_0_OFFSET ) );
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167 taskEXIT_CRITICAL();
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170 /*-----------------------------------------------------------*/
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172 long lParTestGetLEDState( unsigned long ulLED )
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174 long lReturn = pdFALSE;
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176 if( ulLED < partstMAX_LEDS )
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178 taskENTER_CRITICAL();
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180 if( ( FM3_GPIO->PDOR3 & ( 1UL << ( ulLED + partstLED_0_OFFSET ) ) ) == 0UL )
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185 taskEXIT_CRITICAL();
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190 /*-----------------------------------------------------------*/
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