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 /* Altera library includes. */
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41 #include "socal/socal.h"
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42 #include "socal/alt_gpio.h"
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43 #include "alt_generalpurpose_io.h"
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44 #include "alt_address_space.h"
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47 #define partstNUM_LEDS 4
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49 /*-----------------------------------------------------------*/
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51 const uint32_t ulLEDs[ partstNUM_LEDS ] = { ALT_GPIO_BIT12, ALT_GPIO_BIT13, ALT_GPIO_BIT14, ALT_GPIO_BIT15 };
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52 const uint32_t ulAllLEDs = ALT_GPIO_BIT12 | ALT_GPIO_BIT13 | ALT_GPIO_BIT14 | ALT_GPIO_BIT15;
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53 const uint32_t *pulPortBData = ALT_GPIO1_SWPORTA_DR_ADDR;
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54 static uint32_t ulPortValue;
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56 void vParTestInitialise( void )
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58 /* Set GPIO direction. */
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59 alt_gpio_port_datadir_set( ALT_GPIO_PORTB, ulAllLEDs, ulAllLEDs );
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61 /* Start with all LEDs off. */
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62 alt_gpio_port_data_write( ALT_GPIO_PORTB, ulAllLEDs, ulAllLEDs );
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63 ulPortValue = ulAllLEDs;
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65 /*-----------------------------------------------------------*/
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67 void vParTestSetLED( UBaseType_t uxLED, BaseType_t xValue )
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69 if( uxLED < partstNUM_LEDS )
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71 taskENTER_CRITICAL();
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73 if( xValue == pdFALSE )
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75 ulPortValue |= ulLEDs[ uxLED ];
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79 ulPortValue &= ~ulLEDs[ uxLED ];
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82 alt_replbits_word( pulPortBData, ulAllLEDs, ulPortValue );
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84 taskEXIT_CRITICAL();
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87 /*-----------------------------------------------------------*/
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89 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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91 if( uxLED < partstNUM_LEDS )
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93 taskENTER_CRITICAL();
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95 ulPortValue ^= ulLEDs[ uxLED ];
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96 alt_replbits_word( pulPortBData, ulAllLEDs, ulPortValue );
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98 taskEXIT_CRITICAL();
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