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