/* FreeRTOS V7.6.0 - Copyright (C) 2013 Real Time Engineers Ltd. All rights reserved VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. *************************************************************************** * * * FreeRTOS provides completely free yet professionally developed, * * robust, strictly quality controlled, supported, and cross * * platform software that has become a de facto standard. * * * * Help yourself get started quickly and support the FreeRTOS * * project by purchasing a FreeRTOS tutorial book, reference * * manual, or both from: http://www.FreeRTOS.org/Documentation * * * * Thank you! * * * *************************************************************************** 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 from the following link: http://www.freertos.org/a00114.html 1 tab == 4 spaces! *************************************************************************** * * * Having a problem? Start by reading the FAQ "My application does * * not run, what could be wrong?" * * * * http://www.FreeRTOS.org/FAQHelp.html * * * *************************************************************************** http://www.FreeRTOS.org - Documentation, books, training, latest versions, license and Real Time Engineers Ltd. contact details. 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.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS licenses offer ticketed support, indemnification and 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 unsigned portLONG #define portBASE_TYPE long #if( configUSE_16_BIT_TICKS == 1 ) typedef unsigned portSHORT portTickType; #define portMAX_DELAY ( portTickType ) 0xffff #else typedef unsigned portLONG portTickType; #define portMAX_DELAY ( portTickType ) 0xffffffff #endif /*-----------------------------------------------------------*/ /* MPU specific constants. */ #define portUSING_MPU_WRAPPERS 1 #define portPRIVILEGE_BIT ( 0x80000000UL ) #define portMPU_REGION_READ_WRITE ( 0x03UL << 24UL ) #define portMPU_REGION_PRIVILEGED_READ_ONLY ( 0x05UL << 24UL ) #define portMPU_REGION_READ_ONLY ( 0x06UL << 24UL ) #define portMPU_REGION_PRIVILEGED_READ_WRITE ( 0x01UL << 24UL ) #define portMPU_REGION_CACHEABLE_BUFFERABLE ( 0x07UL << 16UL ) #define portMPU_REGION_EXECUTE_NEVER ( 0x01UL << 28UL ) #define portUNPRIVILEGED_FLASH_REGION ( 0UL ) #define portPRIVILEGED_FLASH_REGION ( 1UL ) #define portPRIVILEGED_RAM_REGION ( 2UL ) #define portGENERAL_PERIPHERALS_REGION ( 3UL ) #define portSTACK_REGION ( 4UL ) #define portFIRST_CONFIGURABLE_REGION ( 5UL ) #define portLAST_CONFIGURABLE_REGION ( 7UL ) #define portNUM_CONFIGURABLE_REGIONS ( ( portLAST_CONFIGURABLE_REGION - portFIRST_CONFIGURABLE_REGION ) + 1 ) #define portTOTAL_NUM_REGIONS ( portNUM_CONFIGURABLE_REGIONS + 1 ) /* Plus one to make space for the stack region. */ #define portSWITCH_TO_USER_MODE() __asm volatile ( " mrs r0, control \n orr r0, #1 \n msr control, r0 " :::"r0" ) typedef struct MPU_REGION_REGISTERS { unsigned portLONG ulRegionBaseAddress; unsigned portLONG ulRegionAttribute; } xMPU_REGION_REGISTERS; /* Plus 1 to create space for the stack region. */ typedef struct MPU_SETTINGS { xMPU_REGION_REGISTERS xRegion[ portTOTAL_NUM_REGIONS ]; } xMPU_SETTINGS; /* Architecture specifics. */ #define portSTACK_GROWTH ( -1 ) #define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ ) #define portBYTE_ALIGNMENT 8 /*-----------------------------------------------------------*/ /* SVC numbers for various services. */ #define portSVC_START_SCHEDULER 0 #define portSVC_YIELD 1 #define portSVC_RAISE_PRIVILEGE 2 /* Scheduler utilities. */ #define portYIELD() __asm volatile ( " SVC %0 \n" :: "i" (portSVC_YIELD) ) #define portYIELD_WITHIN_API() *(portNVIC_INT_CTRL) = portNVIC_PENDSVSET #define portNVIC_INT_CTRL ( ( volatile unsigned portLONG *) 0xe000ed04 ) #define portNVIC_PENDSVSET 0x10000000 #define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) *(portNVIC_INT_CTRL) = portNVIC_PENDSVSET #define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x ) /*-----------------------------------------------------------*/ /* Critical section management. */ /* * Set basepri to portMAX_SYSCALL_INTERRUPT_PRIORITY without effecting other * registers. r0 is clobbered. */ #define portSET_INTERRUPT_MASK() \ __asm volatile \ ( \ " mov r0, %0 \n" \ " msr basepri, r0 \n" \ ::"i"(configMAX_SYSCALL_INTERRUPT_PRIORITY):"r0" \ ) /* * Set basepri back to 0 without effective other registers. * r0 is clobbered. FAQ: Setting BASEPRI to 0 is not a bug. Please see * http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html before disagreeing. */ #define portCLEAR_INTERRUPT_MASK() \ __asm volatile \ ( \ " mov r0, #0 \n" \ " msr basepri, r0 \n" \ :::"r0" \ ) /* FAQ: Setting BASEPRI to 0 is not a bug. Please see http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html before disagreeing. */ #define portSET_INTERRUPT_MASK_FROM_ISR() 0;portSET_INTERRUPT_MASK() #define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) portCLEAR_INTERRUPT_MASK();(void)x extern void vPortEnterCritical( void ); extern void vPortExitCritical( void ); #define portDISABLE_INTERRUPTS() portSET_INTERRUPT_MASK() #define portENABLE_INTERRUPTS() portCLEAR_INTERRUPT_MASK() #define portENTER_CRITICAL() vPortEnterCritical() #define portEXIT_CRITICAL() vPortExitCritical() /*-----------------------------------------------------------*/ /* 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 ) #define portNOP() #ifdef __cplusplus } #endif #endif /* PORTMACRO_H */