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 IO routines to control the LEDs.
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31 * This file is called ParTest.c for historic reasons. Originally it stood for
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32 * PARallel port TEST.
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33 *-----------------------------------------------------------*/
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35 /* Scheduler includes. */
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36 #include "FreeRTOS.h"
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39 /* Demo includes. */
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40 #include "partest.h"
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42 /* Xilinx includes. */
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43 #include "xgpiops.h"
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45 #define partstNUM_LEDS ( 1 )
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46 #define partstDIRECTION_OUTPUT ( 1 )
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47 #define partstOUTPUT_ENABLED ( 1 )
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48 #define partstLED_OUTPUT ( 10 )
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50 /*-----------------------------------------------------------*/
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52 static XGpioPs xGpio;
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54 /*-----------------------------------------------------------*/
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56 void vParTestInitialise( void )
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58 XGpioPs_Config *pxConfigPtr;
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61 /* Initialise the GPIO driver. */
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62 pxConfigPtr = XGpioPs_LookupConfig( XPAR_XGPIOPS_0_DEVICE_ID );
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63 xStatus = XGpioPs_CfgInitialize( &xGpio, pxConfigPtr, pxConfigPtr->BaseAddr );
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64 configASSERT( xStatus == XST_SUCCESS );
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65 ( void ) xStatus; /* Remove compiler warning if configASSERT() is not defined. */
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67 /* Enable outputs and set low. */
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68 XGpioPs_SetDirectionPin( &xGpio, partstLED_OUTPUT, partstDIRECTION_OUTPUT );
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69 XGpioPs_SetOutputEnablePin( &xGpio, partstLED_OUTPUT, partstOUTPUT_ENABLED );
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70 XGpioPs_WritePin( &xGpio, partstLED_OUTPUT, 0x0 );
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72 /*-----------------------------------------------------------*/
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74 void vParTestSetLED( UBaseType_t uxLED, BaseType_t xValue )
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77 XGpioPs_WritePin( &xGpio, partstLED_OUTPUT, xValue );
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79 /*-----------------------------------------------------------*/
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81 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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83 BaseType_t xLEDState;
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87 xLEDState = XGpioPs_ReadPin( &xGpio, partstLED_OUTPUT );
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88 XGpioPs_WritePin( &xGpio, partstLED_OUTPUT, !xLEDState );
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