2 FreeRTOS V7.5.0 - 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 /* FreeRTOS.org includes. */
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70 #include "FreeRTOS.h"
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72 #include "partest.h"
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74 /* Standard includes. */
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77 /* Library includes. */
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78 #include "stm32f10x_lib.h"
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80 #define partstNUM_LEDs 4
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82 /* Holds the current output state for each of the LEDs. */
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83 static unsigned char ucBitStates[ partstNUM_LEDs ];
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85 /* Holds the port used by each of the LEDs. */
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86 static GPIO_TypeDef * uxIO_Port[ partstNUM_LEDs ];
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88 /* Holds the pin used by each of the LEDs. */
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89 static const unsigned short uxIO_Pins[ partstNUM_LEDs ] = { GPIO_Pin_14, GPIO_Pin_13, GPIO_Pin_3, GPIO_Pin_4 };
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91 /*-----------------------------------------------------------*/
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93 void vParTestInitialise( void )
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95 GPIO_InitTypeDef GPIO_InitStructure;
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97 /* Configure PE14, PD13, PD3 and PD4 output push-pull */
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98 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_14;
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99 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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100 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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101 GPIO_Init( GPIOE, &GPIO_InitStructure );
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103 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
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104 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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105 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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106 GPIO_Init( GPIOD, &GPIO_InitStructure );
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108 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3 | GPIO_Pin_4;
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109 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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110 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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111 GPIO_Init( GPIOD, &GPIO_InitStructure );
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113 memset( ucBitStates, 0x00, sizeof( ucBitStates ) );
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115 uxIO_Port[ 0 ] = GPIOE;
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116 uxIO_Port[ 1 ] = GPIOD;
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117 uxIO_Port[ 2 ] = GPIOD;
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118 uxIO_Port[ 3 ] = GPIOD;
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120 /*-----------------------------------------------------------*/
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122 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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124 if( uxLED < partstNUM_LEDs )
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126 portENTER_CRITICAL();
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128 if( xValue != pdFALSE )
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130 ucBitStates[ uxLED ] = pdTRUE;
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134 ucBitStates[ uxLED ] = pdFALSE;
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137 GPIO_WriteBit( uxIO_Port[ uxLED ], uxIO_Pins[ uxLED ], ucBitStates[ uxLED ] );
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139 portEXIT_CRITICAL();
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142 /*-----------------------------------------------------------*/
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144 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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146 if( uxLED < partstNUM_LEDs )
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148 portENTER_CRITICAL();
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150 ucBitStates[ uxLED ] = !ucBitStates[ uxLED ];
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151 GPIO_WriteBit( uxIO_Port[ uxLED ], uxIO_Pins[ uxLED ], ucBitStates[ uxLED ] );
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153 portEXIT_CRITICAL();
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156 /*-----------------------------------------------------------*/
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158 portBASE_TYPE xGetLEDState( unsigned portBASE_TYPE uxLED )
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160 if( uxLED < partstNUM_LEDs )
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162 return ( portBASE_TYPE ) ucBitStates[ uxLED ];
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