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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31 + All LED's are turned off to start.
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35 #include "FreeRTOS.h"
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36 #include "partest.h"
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38 #define partstFIRST_IO ( ( unsigned long ) 0x400 )
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39 #define partstNUM_LEDS ( 4 )
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40 #define partstALL_OUTPUTS_OFF ( ( unsigned long ) 0xffffffff )
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42 /*-----------------------------------------------------------
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43 * Simple parallel port IO routines.
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44 *-----------------------------------------------------------*/
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46 void vParTestInitialise( void )
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48 /* This is performed from main() as the io bits are shared with other setup
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51 /* Turn all outputs off. */
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52 GPIO_IOSET = partstALL_OUTPUTS_OFF;
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54 /*-----------------------------------------------------------*/
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56 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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58 unsigned long ulLED = partstFIRST_IO;
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60 if( uxLED < partstNUM_LEDS )
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62 /* Rotate to the wanted bit of port 0. Only P10 to P13 have an LED
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64 ulLED <<= ( unsigned long ) uxLED;
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66 /* Set of clear the output. */
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73 GPIO_IOSET = ulLED;
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77 /*-----------------------------------------------------------*/
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79 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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81 unsigned long ulLED = partstFIRST_IO, ulCurrentState;
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83 if( uxLED < partstNUM_LEDS )
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85 /* Rotate to the wanted bit of port 0. Only P10 to P13 have an LED
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87 ulLED <<= ( unsigned long ) uxLED;
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89 /* If this bit is already set, clear it, and vice versa. */
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90 ulCurrentState = GPIO0_IOPIN;
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91 if( ulCurrentState & ulLED )
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97 GPIO_IOSET = ulLED;
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