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 *-----------------------------------------------------------*/
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33 /* Scheduler includes. */
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34 #include "FreeRTOS.h"
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37 /* Demo includes. */
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38 #include "partest.h"
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40 #define partestNUM_LEDS ( 6 )
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41 #define partestALL_LEDS ( usLEDMasks[ 0 ] | usLEDMasks[ 1 ] | usLEDMasks[ 2 ] | usLEDMasks[ 3 ] | usLEDMasks[ 4 ] | usLEDMasks[ 5 ] )
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43 static const unsigned short usLEDMasks[ partestNUM_LEDS ] = { ( 1 << 9 ), ( 1 << 11 ), ( 1 << 12 ), ( 1 << 13 ), ( 1 << 14 ), ( 1 << 15 ) };
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44 /*-----------------------------------------------------------*/
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46 void vParTestInitialise( void )
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48 /* Select port functions for PE9 to PE15. */
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49 PFC.PECRL3.WORD &= ( unsigned short ) ~partestALL_LEDS;
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51 /* Turn all LEDs off. */
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52 PE.DR.WORD &= ( unsigned short ) ~partestALL_LEDS;
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54 /* Set all LEDs to output. */
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55 PFC.PEIORL.WORD |= ( unsigned short ) partestALL_LEDS;
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57 /*-----------------------------------------------------------*/
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59 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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61 if( uxLED < partestNUM_LEDS )
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65 /* Turn the LED on. */
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66 taskENTER_CRITICAL();
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68 PE.DR.WORD |= usLEDMasks[ uxLED ];
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70 taskEXIT_CRITICAL();
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74 /* Turn the LED off. */
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75 taskENTER_CRITICAL();
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77 PE.DR.WORD &= ( unsigned short ) ~usLEDMasks[ uxLED ];
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79 taskEXIT_CRITICAL();
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83 /*-----------------------------------------------------------*/
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85 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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87 if( uxLED < partestNUM_LEDS )
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89 taskENTER_CRITICAL();
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91 if( ( PE.DR.WORD & usLEDMasks[ uxLED ] ) != 0x00 )
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93 PE.DR.WORD &= ( unsigned short ) ~usLEDMasks[ uxLED ];
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97 PE.DR.WORD |= usLEDMasks[ uxLED ];
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100 taskEXIT_CRITICAL();
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103 /*-----------------------------------------------------------*/
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105 long lParTestGetLEDState( void )
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107 /* Returns the state of the fifth LED. */
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108 return !( PE.DR.WORD & usLEDMasks[ 4 ] );
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110 /*-----------------------------------------------------------*/
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