2 * FreeRTOS Kernel V10.0.1
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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.
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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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32 /*-----------------------------------------------------------
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33 * Port specific definitions.
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35 * The settings in this file configure FreeRTOS correctly for the
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36 * given hardware and compiler.
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38 * These settings should not be altered.
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39 *-----------------------------------------------------------
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42 #include <intrinsics.h>
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49 /* Type definitions. */
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50 #define portCHAR char
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51 #define portFLOAT float
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52 #define portDOUBLE double
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53 #define portLONG long
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54 #define portSHORT short
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55 #define portSTACK_TYPE uint32_t
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56 #define portBASE_TYPE long
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58 typedef portSTACK_TYPE StackType_t;
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59 typedef long BaseType_t;
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60 typedef unsigned long UBaseType_t;
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63 #if( configUSE_16_BIT_TICKS == 1 )
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64 typedef uint16_t TickType_t;
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65 #define portMAX_DELAY ( TickType_t ) 0xffff
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67 typedef uint32_t TickType_t;
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68 #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
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70 /*-----------------------------------------------------------*/
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72 /* Hardware specifics. */
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73 #define portSTACK_GROWTH ( -1 )
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74 #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
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75 #define portBYTE_ALIGNMENT 8
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76 #define portYIELD() asm ( "SWI 0" )
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77 #define portNOP() asm ( "NOP" )
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78 /*-----------------------------------------------------------*/
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80 /* Critical section handling. */
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81 __arm __interwork void vPortDisableInterruptsFromThumb( void );
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82 __arm __interwork void vPortEnableInterruptsFromThumb( void );
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83 __arm __interwork void vPortEnterCritical( void );
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84 __arm __interwork void vPortExitCritical( void );
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86 #define portDISABLE_INTERRUPTS() __disable_interrupt()
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87 #define portENABLE_INTERRUPTS() __enable_interrupt()
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88 #define portENTER_CRITICAL() vPortEnterCritical()
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89 #define portEXIT_CRITICAL() vPortExitCritical()
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90 /*-----------------------------------------------------------*/
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92 /* Task utilities. */
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93 #define portEND_SWITCHING_ISR( xSwitchRequired ) \
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95 extern void vTaskSwitchContext( void ); \
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97 if( xSwitchRequired ) \
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99 vTaskSwitchContext(); \
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102 /*-----------------------------------------------------------*/
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104 /* EIC utilities. */
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105 #define portEIC_CICR_ADDR *( ( uint32_t * ) 0xFFFFF804 )
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106 #define portEIC_IPR_ADDR *( ( uint32_t * ) 0xFFFFF840 )
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107 #define portCLEAR_EIC() portEIC_IPR_ADDR = 0x01 << portEIC_CICR_ADDR
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109 /*-----------------------------------------------------------*/
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111 /* Task function macros as described on the FreeRTOS.org WEB site. */
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112 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
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113 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
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119 #endif /* PORTMACRO_H */
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