2 FreeRTOS V7.4.1 - Copyright (C) 2013 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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33 >>>>>>NOTE<<<<<< The modification to the GPL is included to allow you to
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34 distribute a combined work that includes FreeRTOS without being obliged to
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35 provide the source code for proprietary components outside of the FreeRTOS
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38 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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39 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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40 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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41 details. You should have received a copy of the GNU General Public License
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42 and the FreeRTOS license exception along with FreeRTOS; if not it can be
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43 viewed here: http://www.freertos.org/a00114.html and also obtained by
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44 writing to Real Time Engineers Ltd., contact details for whom are available
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45 on the FreeRTOS WEB site.
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49 ***************************************************************************
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51 * Having a problem? Start by reading the FAQ "My application does *
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52 * not run, what could be wrong?" *
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54 * http://www.FreeRTOS.org/FAQHelp.html *
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56 ***************************************************************************
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59 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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60 license and Real Time Engineers Ltd. contact details.
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62 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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63 including FreeRTOS+Trace - an indispensable productivity tool, and our new
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64 fully thread aware and reentrant UDP/IP stack.
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66 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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67 Integrity Systems, who sell the code with commercial support,
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68 indemnification and middleware, under the OpenRTOS brand.
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70 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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71 engineered and independently SIL3 certified version for use in safety and
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72 mission critical applications that require provable dependability.
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75 /*-----------------------------------------------------------
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76 * Simple parallel port IO routines.
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77 *-----------------------------------------------------------*/
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79 /* Kernel includes. */
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80 #include "FreeRTOS.h"
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83 /* Fujitsu drivers/libraries. */
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84 #include "mb9bf506n.h"
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85 #include "system_mb9bf50x.h"
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87 /* Only the LEDs on one of the two seven segment displays are used. */
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88 #define partstMAX_LEDS 8
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90 /* The LEDs are controlled by bits 8 to 15 of the IO port. */
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91 #define partstLED_0_OFFSET 8
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93 /*-----------------------------------------------------------*/
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95 void vParTestInitialise( void )
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97 const unsigned short usGPIOState = 0xFF00U;
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99 /* Analog inputs are not used on the LED outputs. */
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100 FM3_GPIO->ADE = 0x00FF;
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102 /* LED seg1 to GPIO output (P18->P1F). */
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103 FM3_GPIO->DDR1 = 0xFF00;
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104 FM3_GPIO->PFR1 = 0x0000;
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106 /* LED seg2 to GPIO output (P30->P3F). */
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107 FM3_GPIO->DDR3 = 0xFF00;
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108 FM3_GPIO->PFR3 = 0x0000;
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110 /* Start with all LEDs off. */
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111 FM3_GPIO->PDOR3 = usGPIOState;
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112 FM3_GPIO->PDOR1 = usGPIOState;
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114 /*-----------------------------------------------------------*/
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116 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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118 if( uxLED < partstMAX_LEDS )
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120 /* A critical section is used as the LEDs are also accessed from an
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122 taskENTER_CRITICAL();
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124 if( xValue == pdTRUE )
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126 FM3_GPIO->PDOR3 &= ~( 1UL << ( uxLED + partstLED_0_OFFSET ) );
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130 FM3_GPIO->PDOR3 |= ( 1UL << ( uxLED + partstLED_0_OFFSET ) );
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133 taskEXIT_CRITICAL();
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136 /*-----------------------------------------------------------*/
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138 void vParTestSetLEDFromISR( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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140 unsigned portBASE_TYPE uxInterruptFlags;
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142 uxInterruptFlags = portSET_INTERRUPT_MASK_FROM_ISR();
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144 if( uxLED < partstMAX_LEDS )
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146 if( xValue == pdTRUE )
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148 FM3_GPIO->PDOR3 &= ~( 1UL << ( uxLED + partstLED_0_OFFSET ) );
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152 FM3_GPIO->PDOR3 |= ( 1UL << ( uxLED + partstLED_0_OFFSET ) );
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156 portCLEAR_INTERRUPT_MASK_FROM_ISR( uxInterruptFlags );
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158 /*-----------------------------------------------------------*/
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160 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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162 if( uxLED < partstMAX_LEDS )
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164 /* A critical section is used as the LEDs are also accessed from an
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166 taskENTER_CRITICAL();
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168 if( ( FM3_GPIO->PDOR3 & ( 1UL << ( uxLED + partstLED_0_OFFSET ) ) ) != 0UL )
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170 FM3_GPIO->PDOR3 &= ~( 1UL << ( uxLED + partstLED_0_OFFSET ) );
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174 FM3_GPIO->PDOR3 |= ( 1UL << ( uxLED + partstLED_0_OFFSET ) );
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177 taskEXIT_CRITICAL();
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180 /*-----------------------------------------------------------*/
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182 long lParTestGetLEDState( unsigned long ulLED )
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184 long lReturn = pdFALSE;
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186 if( ulLED < partstMAX_LEDS )
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188 taskENTER_CRITICAL();
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190 if( ( FM3_GPIO->PDOR3 & ( 1UL << ( ulLED + partstLED_0_OFFSET ) ) ) == 0UL )
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195 taskEXIT_CRITICAL();
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200 /*-----------------------------------------------------------*/
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