2 * FreeRTOS Kernel V10.0.0
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3 * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
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6 * this software and associated documentation files (the "Software"), to deal in
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7 * the Software without restriction, including without limitation the rights to
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8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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9 * the Software, and to permit persons to whom the Software is furnished to do so,
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10 * subject to the following conditions:
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12 * The above copyright notice and this permission notice shall be included in all
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13 * copies or substantial portions of the Software. If you wish to use our Amazon
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14 * FreeRTOS name, please do so in a fair use way that does not cause confusion.
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16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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18 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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19 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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20 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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23 * http://www.FreeRTOS.org
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24 * http://aws.amazon.com/freertos
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26 * 1 tab == 4 spaces!
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29 /*-----------------------------------------------------------
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30 * Simple parallel port IO routines.
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31 *-----------------------------------------------------------*/
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34 /* Scheduler includes. */
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35 #include "FreeRTOS.h"
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38 /* Demo app includes. */
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40 #include "altera_avalon_pio_regs.h"
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41 #include "partest.h"
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43 /*---------------------------------------------------------------------------*/
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45 #define partstNUM_LEDS ( 8 )
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47 /*---------------------------------------------------------------------------*/
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49 static unsigned long ulLedStates;
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51 /*---------------------------------------------------------------------------*/
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53 void vParTestInitialise( void )
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55 IOWR_ALTERA_AVALON_PIO_DIRECTION( LED_PIO_BASE, ALTERA_AVALON_PIO_DIRECTION_OUTPUT );
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58 /*-----------------------------------------------------------*/
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60 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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62 if( uxLED < partstNUM_LEDS )
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64 taskENTER_CRITICAL();
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68 ulLedStates |= 1 << uxLED;
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72 ulLedStates &= ~( 1 << uxLED );
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74 IOWR_ALTERA_AVALON_PIO_DATA( LED_PIO_BASE, ulLedStates );
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76 taskEXIT_CRITICAL();
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79 /*-----------------------------------------------------------*/
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81 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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83 if( uxLED < partstNUM_LEDS )
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85 taskENTER_CRITICAL();
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87 vParTestSetLED( uxLED, !( ulLedStates & ( 1 << uxLED ) ) );
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89 taskEXIT_CRITICAL();
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92 /*-----------------------------------------------------------*/
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