/* FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd. All rights reserved VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. This file is part of the FreeRTOS distribution. FreeRTOS is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License (version 2) as published by the Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception. *************************************************************************** >>! NOTE: The modification to the GPL is included to allow you to !<< >>! distribute a combined work that includes FreeRTOS without being !<< >>! obliged to provide the source code for proprietary components !<< >>! outside of the FreeRTOS kernel. !<< *************************************************************************** FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Full license text is available on the following link: http://www.freertos.org/a00114.html *************************************************************************** * * * FreeRTOS provides completely free yet professionally developed, * * robust, strictly quality controlled, supported, and cross * * platform software that is more than just the market leader, it * * is the industry's de facto standard. * * * * Help yourself get started quickly while simultaneously helping * * to support the FreeRTOS project by purchasing a FreeRTOS * * tutorial book, reference manual, or both: * * http://www.FreeRTOS.org/Documentation * * * *************************************************************************** http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading the FAQ page "My application does not run, what could be wrong?". Have you defined configASSERT()? http://www.FreeRTOS.org/support - In return for receiving this top quality embedded software for free we request you assist our global community by participating in the support forum. http://www.FreeRTOS.org/training - Investing in training allows your team to be as productive as possible as early as possible. Now you can receive FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers Ltd, and the world's leading authority on the world's leading RTOS. http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, including FreeRTOS+Trace - an indispensable productivity tool, a DOS compatible FAT file system, and our tiny thread aware UDP/IP stack. http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate. Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS. http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS licenses offer ticketed support, indemnification and commercial middleware. http://www.SafeRTOS.com - High Integrity Systems also provide a safety engineered and independently SIL3 certified version for use in safety and mission critical applications that require provable dependability. 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. *----------------------------------------------------------- */ /* Type definitions. */ #define portCHAR char #define portFLOAT float #define portDOUBLE double #define portLONG long #define portSHORT short #define portSTACK_TYPE uint8_t #define portBASE_TYPE char typedef portSTACK_TYPE StackType_t; typedef signed char BaseType_t; typedef unsigned char 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 /*-----------------------------------------------------------*/ /* Hardware specifics. */ #define portBYTE_ALIGNMENT 2 #define portSTACK_GROWTH ( -1 ) #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) #define portYIELD() asm volatile( "TRAPA #0" ) #define portNOP() asm volatile( "NOP" ) /*-----------------------------------------------------------*/ /* Critical section handling. */ #define portENABLE_INTERRUPTS() asm volatile( "ANDC #0x7F, CCR" ); #define portDISABLE_INTERRUPTS() asm volatile( "ORC #0x80, CCR" ); /* Push the CCR then disable interrupts. */ #define portENTER_CRITICAL() asm volatile( "STC CCR, @-ER7" ); \ portDISABLE_INTERRUPTS(); /* Pop the CCR to set the interrupt masking back to its previous state. */ #define portEXIT_CRITICAL() asm volatile( "LDC @ER7+, CCR" ); /*-----------------------------------------------------------*/ /* Task utilities. */ /* Context switch macros. These macros are very simple as the context is saved simply by selecting the saveall attribute of the context switch interrupt service routines. These macros save and restore the stack pointer to the TCB. */ #define portSAVE_STACK_POINTER() \ extern void* pxCurrentTCB; \ \ asm volatile( \ "MOV.L @_pxCurrentTCB, ER5 \n\t" \ "MOV.L ER7, @ER5 \n\t" \ ); \ ( void ) pxCurrentTCB; #define portRESTORE_STACK_POINTER() \ extern void* pxCurrentTCB; \ \ asm volatile( \ "MOV.L @_pxCurrentTCB, ER5 \n\t" \ "MOV.L @ER5, ER7 \n\t" \ ); \ ( void ) pxCurrentTCB; /*-----------------------------------------------------------*/ /* Macros to allow a context switch from within an application ISR. */ #define portENTER_SWITCHING_ISR() portSAVE_STACK_POINTER(); { #define portEXIT_SWITCHING_ISR( x ) \ if( x ) \ { \ extern void vTaskSwitchContext( void ); \ vTaskSwitchContext(); \ } \ } portRESTORE_STACK_POINTER(); /*-----------------------------------------------------------*/ /* Task function macros as described on the FreeRTOS.org WEB site. */ #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters ) #ifdef __cplusplus } #endif #endif /* PORTMACRO_H */