2 FreeRTOS V7.2.0 - Copyright (C) 2012 Real Time Engineers Ltd.
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5 ***************************************************************************
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7 * FreeRTOS tutorial books are available in pdf and paperback. *
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8 * Complete, revised, and edited pdf reference manuals are also *
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11 * Purchasing FreeRTOS documentation will not only help you, by *
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12 * ensuring you get running as quickly as possible and with an *
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13 * in-depth knowledge of how to use FreeRTOS, it will also help *
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14 * the FreeRTOS project to continue with its mission of providing *
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15 * professional grade, cross platform, de facto standard solutions *
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16 * for microcontrollers - completely free of charge! *
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18 * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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20 * Thank you for using FreeRTOS, and thank you for your support! *
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22 ***************************************************************************
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25 This file is part of the FreeRTOS distribution.
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27 FreeRTOS is free software; you can redistribute it and/or modify it under
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28 the terms of the GNU General Public License (version 2) as published by the
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29 Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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30 >>>NOTE<<< The modification to the GPL is included to allow you to
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31 distribute a combined work that includes FreeRTOS without being obliged to
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32 provide the source code for proprietary components outside of the FreeRTOS
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33 kernel. FreeRTOS is distributed in the hope that it will be useful, but
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34 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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35 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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36 more details. You should have received a copy of the GNU General Public
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37 License and the FreeRTOS license exception along with FreeRTOS; if not it
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38 can be viewed here: http://www.freertos.org/a00114.html and also obtained
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39 by writing to Richard Barry, contact details for whom are available on the
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44 ***************************************************************************
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46 * Having a problem? Start by reading the FAQ "My application does *
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47 * not run, what could be wrong? *
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49 * http://www.FreeRTOS.org/FAQHelp.html *
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51 ***************************************************************************
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54 http://www.FreeRTOS.org - Documentation, training, latest information,
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55 license and contact details.
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57 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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58 including FreeRTOS+Trace - an indispensable productivity tool.
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60 Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell
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61 the code with commercial support, indemnification, and middleware, under
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62 the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also
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63 provide a safety engineered and independently SIL3 certified version under
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64 the SafeRTOS brand: http://www.SafeRTOS.com.
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67 /*-----------------------------------------------------------
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68 * Simple parallel port IO routines.
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69 *-----------------------------------------------------------*/
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71 /* Kernel includes. */
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72 #include "FreeRTOS.h"
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75 /* Fujitsu drivers/libraries. */
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76 #include "mb9bf506n.h"
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77 #include "system_mb9bf50x.h"
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79 /* Only the LEDs on one of the two seven segment displays are used. */
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80 #define partstMAX_LEDS 8
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82 /* The LEDs are controlled by bits 8 to 15 of the IO port. */
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83 #define partstLED_0_OFFSET 8
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85 /*-----------------------------------------------------------*/
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87 void vParTestInitialise( void )
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89 const unsigned short usGPIOState = 0xFF00U;
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91 /* Analog inputs are not used on the LED outputs. */
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92 FM3_GPIO->ADE = 0x00FF;
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94 /* LED seg1 to GPIO output (P18->P1F). */
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95 FM3_GPIO->DDR1 = 0xFF00;
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96 FM3_GPIO->PFR1 = 0x0000;
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98 /* LED seg2 to GPIO output (P30->P3F). */
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99 FM3_GPIO->DDR3 = 0xFF00;
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100 FM3_GPIO->PFR3 = 0x0000;
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102 /* Start with all LEDs off. */
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103 FM3_GPIO->PDOR3 = usGPIOState;
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104 FM3_GPIO->PDOR1 = usGPIOState;
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106 /*-----------------------------------------------------------*/
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108 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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110 if( uxLED < partstMAX_LEDS )
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112 /* A critical section is used as the LEDs are also accessed from an
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114 taskENTER_CRITICAL();
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116 if( xValue == pdTRUE )
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118 FM3_GPIO->PDOR3 &= ~( 1UL << ( uxLED + partstLED_0_OFFSET ) );
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122 FM3_GPIO->PDOR3 |= ( 1UL << ( uxLED + partstLED_0_OFFSET ) );
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125 taskEXIT_CRITICAL();
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128 /*-----------------------------------------------------------*/
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130 void vParTestSetLEDFromISR( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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132 unsigned portBASE_TYPE uxInterruptFlags;
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134 uxInterruptFlags = portSET_INTERRUPT_MASK_FROM_ISR();
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136 if( uxLED < partstMAX_LEDS )
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138 if( xValue == pdTRUE )
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140 FM3_GPIO->PDOR3 &= ~( 1UL << ( uxLED + partstLED_0_OFFSET ) );
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144 FM3_GPIO->PDOR3 |= ( 1UL << ( uxLED + partstLED_0_OFFSET ) );
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148 portCLEAR_INTERRUPT_MASK_FROM_ISR( uxInterruptFlags );
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150 /*-----------------------------------------------------------*/
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152 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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154 if( uxLED < partstMAX_LEDS )
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156 /* A critical section is used as the LEDs are also accessed from an
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158 taskENTER_CRITICAL();
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160 if( ( FM3_GPIO->PDOR3 & ( 1UL << ( uxLED + partstLED_0_OFFSET ) ) ) != 0UL )
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162 FM3_GPIO->PDOR3 &= ~( 1UL << ( uxLED + partstLED_0_OFFSET ) );
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166 FM3_GPIO->PDOR3 |= ( 1UL << ( uxLED + partstLED_0_OFFSET ) );
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169 taskEXIT_CRITICAL();
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172 /*-----------------------------------------------------------*/
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174 long lParTestGetLEDState( unsigned long ulLED )
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176 long lReturn = pdFALSE;
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178 if( ulLED < partstMAX_LEDS )
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180 taskENTER_CRITICAL();
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182 if( ( FM3_GPIO->PDOR3 & ( 1UL << ( ulLED + partstLED_0_OFFSET ) ) ) == 0UL )
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187 taskEXIT_CRITICAL();
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192 /*-----------------------------------------------------------*/
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