2 * FreeRTOS Kernel V10.3.0
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3 * Copyright (C) 2020 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.
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15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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17 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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18 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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22 * http://www.FreeRTOS.org
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23 * http://aws.amazon.com/freertos
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25 * 1 tab == 4 spaces!
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28 /*-----------------------------------------------------------
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29 * Simple IO routines to control the LEDs.
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30 * This file is called ParTest.c for historic reasons. Originally it stood for
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31 * PARallel port TEST.
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32 *-----------------------------------------------------------*/
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34 /* Scheduler includes. */
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35 #include "FreeRTOS.h"
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38 /* Demo includes. */
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39 #include "partest.h"
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41 /* Xilinx includes. */
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42 #include "xgpiops.h"
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44 #define partstNUM_LEDS ( 1 )
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45 #define partstDIRECTION_OUTPUT ( 1 )
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46 #define partstOUTPUT_ENABLED ( 1 )
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47 #define partstLED_OUTPUT ( 10 )
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49 /*-----------------------------------------------------------*/
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51 static XGpioPs xGpio;
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53 /*-----------------------------------------------------------*/
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55 void vParTestInitialise( void )
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57 XGpioPs_Config *pxConfigPtr;
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60 /* Initialise the GPIO driver. */
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61 pxConfigPtr = XGpioPs_LookupConfig( XPAR_XGPIOPS_0_DEVICE_ID );
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62 xStatus = XGpioPs_CfgInitialize( &xGpio, pxConfigPtr, pxConfigPtr->BaseAddr );
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63 configASSERT( xStatus == XST_SUCCESS );
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64 ( void ) xStatus; /* Remove compiler warning if configASSERT() is not defined. */
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66 /* Enable outputs and set low. */
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67 XGpioPs_SetDirectionPin( &xGpio, partstLED_OUTPUT, partstDIRECTION_OUTPUT );
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68 XGpioPs_SetOutputEnablePin( &xGpio, partstLED_OUTPUT, partstOUTPUT_ENABLED );
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69 XGpioPs_WritePin( &xGpio, partstLED_OUTPUT, 0x0 );
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71 /*-----------------------------------------------------------*/
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73 void vParTestSetLED( UBaseType_t uxLED, BaseType_t xValue )
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76 XGpioPs_WritePin( &xGpio, partstLED_OUTPUT, xValue );
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78 /*-----------------------------------------------------------*/
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80 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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82 BaseType_t xLEDState;
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86 xLEDState = XGpioPs_ReadPin( &xGpio, partstLED_OUTPUT );
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87 XGpioPs_WritePin( &xGpio, partstLED_OUTPUT, !xLEDState );
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