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157 lines
5.7 KiB
C
157 lines
5.7 KiB
C
/*
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* FreeRTOS Kernel V10.3.1
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* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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* 1 tab == 4 spaces!
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*/
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#ifndef PORTMACRO_H
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#define PORTMACRO_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*-----------------------------------------------------------
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* Port specific definitions.
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*
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* The settings in this file configure FreeRTOS correctly for the
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* given hardware and compiler.
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*
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* These settings should not be altered.
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*-----------------------------------------------------------
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*/
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#include <avr/wdt.h>
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/* Type definitions. */
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#define portCHAR char
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#define portFLOAT float
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#define portDOUBLE double
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#define portLONG long
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#define portSHORT int
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typedef uint8_t StackType_t;
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typedef int8_t BaseType_t;
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typedef uint8_t UBaseType_t;
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#if configUSE_16_BIT_TICKS == 1
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typedef uint16_t TickType_t;
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#define portMAX_DELAY ( TickType_t ) 0xffff
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#else
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typedef uint32_t TickType_t;
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#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
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#endif
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/*-----------------------------------------------------------*/
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/* Critical section management. */
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#define portENTER_CRITICAL() __asm__ __volatile__ ( \
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"in __tmp_reg__, __SREG__" "\n\t" \
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"cli" "\n\t" \
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"push __tmp_reg__" "\n\t" \
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::: "memory" \
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)
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#define portEXIT_CRITICAL() __asm__ __volatile__ ( \
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"pop __tmp_reg__" "\n\t" \
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"out __SREG__, __tmp_reg__" "\n\t" \
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::: "memory" \
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)
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#define portDISABLE_INTERRUPTS() __asm__ __volatile__ ( "cli" ::: "memory")
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#define portENABLE_INTERRUPTS() __asm__ __volatile__ ( "sei" ::: "memory")
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/*-----------------------------------------------------------*/
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/* Architecture specifics. */
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/* System Tick - Scheduler timer
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* Prefer to use the enhanced Watchdog Timer, but also Timer0 is ok.
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*/
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#if defined(WDIE) && defined(WDIF) /* If Enhanced WDT with interrupt capability is available */
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#define portUSE_WDTO WDTO_15MS /* use the Watchdog Timer for xTaskIncrementTick */
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/* Watchdog period options: WDTO_15MS
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WDTO_30MS
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WDTO_60MS
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WDTO_120MS
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WDTO_250MS
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WDTO_500MS
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WDTO_1S
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WDTO_2S
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*/
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#else
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#define portUSE_TIMER0 /* use the 8-bit Timer0 for xTaskIncrementTick */
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#endif
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#define portSTACK_GROWTH ( -1 )
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/* Timing for the scheduler.
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* Watchdog Timer is 128kHz nominal,
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* but 120 kHz at 5V DC and 25 degrees is actually more accurate,
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* from data sheet.
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*/
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#if defined( portUSE_WDTO )
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#define portTICK_PERIOD_MS ( (TickType_t) _BV( portUSE_WDTO + 4 ) )
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#else
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#define portTICK_PERIOD_MS ( (TickType_t) 1000 / configTICK_RATE_HZ )
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#endif
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#define portBYTE_ALIGNMENT 1
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#define portNOP() __asm__ __volatile__ ( "nop" );
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/*-----------------------------------------------------------*/
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/* Kernel utilities. */
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extern void vPortYield( void ) __attribute__ ( ( naked ) );
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#define portYIELD() vPortYield()
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extern void vPortYieldFromISR( void ) __attribute__ ( ( naked ) );
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#define portYIELD_FROM_ISR() vPortYieldFromISR()
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/*-----------------------------------------------------------*/
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#if defined(__AVR_3_BYTE_PC__)
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/* Task function macros as described on the FreeRTOS.org WEB site. */
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/* Add .lowtext tag from the avr linker script avr6.x for ATmega2560 and ATmega2561
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* to make sure functions are loaded in low memory.
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*/
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#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) __attribute__ ((section (".lowtext")))
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#else
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#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
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#endif
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#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
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#ifdef __cplusplus
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}
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#endif
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#endif /* PORTMACRO_H */
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