| /* | |
| FreeRTOS V8.0.1 - Copyright (C) 2014 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 uint32_t | |
| #define portBASE_TYPE long | |
| typedef portSTACK_TYPE StackType_t; | |
| typedef long BaseType_t; | |
| typedef unsigned long 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 | |
| /*-----------------------------------------------------------*/ | |
| /* Architecture specifics. */ | |
| #define portSTACK_GROWTH ( -1 ) | |
| #define portBYTE_ALIGNMENT 8 | |
| /*-----------------------------------------------------------*/ | |
| #ifndef configTICK_RATE_TO_MILLISECONDS_GCF | |
| #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) | |
| #define TICKS_PER_MSEC_REDUCED_NUMERATOR (1) | |
| #define TICKS_PER_MSEC_REDUCED_DENOMINATOR (portTICK_PERIOD_MS) | |
| #else | |
| /* | |
| * Alternatives to portTICK_PERIOD_MS when configTICK_RATE_HZ is | |
| * not a divisor of 1000 to avoid rounding errors. | |
| * To avoid overflow, for large values to be converted, | |
| * we switch to 64-bit math. | |
| * Note: these conversion macros round down by the nature | |
| * of integer math. So a small non-zero msec may be converted | |
| * to 0 ticks, which when used in a delay request might not do | |
| * the right thing if a minimum delay is required. | |
| */ | |
| #define TICKS_PER_MSEC_REDUCED_NUMERATOR (configTICK_RATE_HZ / configTICK_RATE_TO_MILLISECONDS_GCF) | |
| #define TICKS_PER_MSEC_REDUCED_DENOMINATOR (1000 / configTICK_RATE_TO_MILLISECONDS_GCF) | |
| #endif | |
| /* No explicit type for msec, use BaseType max */ | |
| #define MAX_MSEC_CONVERSION_VALUE (0xffffffffUL / TICKS_PER_MSEC_REDUCED_NUMERATOR) | |
| #define MAX_TICK_CONVERSION_VALUE (portMAX_DELAY / TICKS_PER_MSEC_REDUCED_DENOMINATOR) | |
| #define portTICKS_TO_MSEC(n) (((n) >= MAX_TICK_CONVERSION_VALUE) ? \ | |
| (((uint64_t)(n) * TICKS_PER_MSEC_REDUCED_DENOMINATOR) / TICKS_PER_MSEC_REDUCED_NUMERATOR) : \ | |
| (((n) * TICKS_PER_MSEC_REDUCED_DENOMINATOR) / TICKS_PER_MSEC_REDUCED_NUMERATOR)) | |
| #define portMSEC_TO_TICKS(n) (((n) >= MAX_MSEC_CONVERSION_VALUE) ? \ | |
| (TickType_t)(((uint64_t)(n) * TICKS_PER_MSEC_REDUCED_NUMERATOR) / TICKS_PER_MSEC_REDUCED_DENOMINATOR) : \ | |
| (TickType_t)(((n) * TICKS_PER_MSEC_REDUCED_NUMERATOR) / TICKS_PER_MSEC_REDUCED_DENOMINATOR)) | |
| /*-----------------------------------------------------------*/ | |
| /* Scheduler utilities. */ | |
| extern void vPortYield( void ); | |
| #define portNVIC_INT_CTRL_REG ( * ( ( volatile uint32_t * ) 0xe000ed04 ) ) | |
| #define portNVIC_PENDSVSET_BIT ( 1UL << 28UL ) | |
| #define portYIELD() vPortYield() | |
| #define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT | |
| #define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x ) | |
| /*-----------------------------------------------------------*/ | |
| /* Critical section management. */ | |
| extern void vPortEnterCritical( void ); | |
| extern void vPortExitCritical( void ); | |
| extern uint32_t ulSetInterruptMaskFromISR( void ) __attribute__((naked)); | |
| extern void vClearInterruptMaskFromISR( uint32_t ulMask ) __attribute__((naked)); | |
| #define portSET_INTERRUPT_MASK_FROM_ISR() ulSetInterruptMaskFromISR() | |
| #define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) vClearInterruptMaskFromISR( x ) | |
| #define portDISABLE_INTERRUPTS() __asm volatile ( " cpsid i " ) | |
| #define portENABLE_INTERRUPTS() __asm volatile ( " cpsie i " ) | |
| #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 ) | |
| /*-----------------------------------------------------------*/ | |
| /* Tickless idle/low power functionality. */ | |
| #ifndef portSUPPRESS_TICKS_AND_SLEEP | |
| extern void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime ); | |
| #define portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime ) vPortSuppressTicksAndSleep( xExpectedIdleTime ) | |
| #endif | |
| /*-----------------------------------------------------------*/ | |
| #define portNOP() | |
| #ifdef __cplusplus | |
| } | |
| #endif | |
| #endif /* PORTMACRO_H */ | |