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 GPIO (parallel port) IO routines.
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31 *-----------------------------------------------------------*/
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33 /* Kernel includes. */
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34 #include "FreeRTOS.h"
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37 /* Hardware includes. */
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38 #include <XMC1300.h>
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40 /* Standard demo include. */
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41 #include "partest.h"
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43 /* The port bits on which LEDs are connected. */
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44 static const unsigned long ulLEDBits[] =
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46 1UL << 0, /* P0.0 */
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47 1UL << 1, /* P0.1 */
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48 1UL << 6, /* P0.6 */
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49 1UL << 7, /* P0.7 */
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53 #define partstNUM_LEDS ( sizeof( ulLEDBits ) / sizeof( unsigned long ) )
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55 /* Shift the LED bit into the correct position within the POW register to
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56 perform the desired operation. */
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57 #define partstON_SHIFT ( 16UL )
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58 #define partstOFF_SHIFT ( 0UL )
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60 /*-----------------------------------------------------------*/
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62 void vParTestInitialise( void )
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64 /* Configure relevant port P0 to push pull output to drive LEDs. */
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67 PORT0->IOCR0 &= ~( ( 0xFFUL << 0 ) );
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68 PORT0->IOCR0 |= ( 0x80UL << 0 );
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69 vParTestSetLED( 0, pdFALSE );
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72 PORT0->IOCR0 &= ~( ( 0xFFUL << 8 ) );
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73 PORT0->IOCR0 |= ( 0x80UL << 8 );
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74 vParTestSetLED( 1, pdFALSE );
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77 PORT0->IOCR4 &= ~( ( 0xFFUL << 16 ) );
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78 PORT0->IOCR4 |= ( 0x80UL << 16 );
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79 vParTestSetLED( 2, pdFALSE );
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82 PORT0->IOCR4 &= ~( ( 0xFFUL << 24 ) );
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83 PORT0->IOCR4 |= ( 0x80UL << 24 );
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84 vParTestSetLED( 4, pdFALSE );
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87 PORT0->IOCR8 &= ~( ( 0xFFUL << 0 ) );
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88 PORT0->IOCR8 |= ( 0x80UL << 0 );
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89 vParTestSetLED( 3, pdFALSE );
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91 /*-----------------------------------------------------------*/
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93 void vParTestSetLED( unsigned long ulLED, signed portBASE_TYPE xValue )
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95 if( ulLED < partstNUM_LEDS )
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97 if( xValue == pdTRUE )
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99 /* Turn the LED on. */
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100 PORT0->OMR = ( ulLEDBits[ ulLED ] << partstON_SHIFT );
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104 /* Turn the LED off. */
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105 PORT0->OMR = ( ulLEDBits[ ulLED ] << partstOFF_SHIFT );
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109 /*-----------------------------------------------------------*/
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111 void vParTestToggleLED( unsigned long ulLED )
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113 if( ulLED < partstNUM_LEDS )
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115 /* Setting both the ON and OFF bits simultaneously results in the bit
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117 PORT0->OMR = ( ulLEDBits[ ulLED ] << partstON_SHIFT ) | ( ulLEDBits[ ulLED ] << partstOFF_SHIFT );
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120 /*-----------------------------------------------------------*/
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