| /* | |
| FreeRTOS V8.0.0:rc1 - 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 | |
| /* System include files */ | |
| #include <xc.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 | |
| /*-----------------------------------------------------------*/ | |
| /* Hardware specifics. */ | |
| #define portBYTE_ALIGNMENT 8 | |
| #define portSTACK_GROWTH -1 | |
| #define portTICK_RATE_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) | |
| /*-----------------------------------------------------------*/ | |
| /* Critical section management. */ | |
| #define portIPL_SHIFT ( 10UL ) | |
| /* Don't straddle the CEE bit. Interrupts calling FreeRTOS functions should | |
| never have higher IPL bits set anyway. */ | |
| #define portALL_IPL_BITS ( 0x7FUL << portIPL_SHIFT ) | |
| #define portSW0_BIT ( 0x01 << 8 ) | |
| /* This clears the IPL bits, then sets them to | |
| configMAX_SYSCALL_INTERRUPT_PRIORITY. An extra check is performed if | |
| configASSERT() is defined to ensure an assertion handler does not inadvertently | |
| attempt to lower the IPL when the call to assert was triggered because the IPL | |
| value was found to be above configMAX_SYSCALL_INTERRUPT_PRIORITY when an ISR | |
| safe FreeRTOS API function was executed. ISR safe FreeRTOS API functions are | |
| those that end in FromISR. FreeRTOS maintains a separate interrupt API to | |
| ensure API function and interrupt entry is as fast and as simple as possible. */ | |
| #ifdef configASSERT | |
| #define portDISABLE_INTERRUPTS() \ | |
| { \ | |
| uint32_t ulStatus; \ | |
| \ | |
| /* Mask interrupts at and below the kernel interrupt priority. */ \ | |
| ulStatus = _CP0_GET_STATUS(); \ | |
| \ | |
| /* Is the current IPL below configMAX_SYSCALL_INTERRUPT_PRIORITY? */ \ | |
| if( ( ( ulStatus & portALL_IPL_BITS ) >> portIPL_SHIFT ) < configMAX_SYSCALL_INTERRUPT_PRIORITY ) \ | |
| { \ | |
| ulStatus &= ~portALL_IPL_BITS; \ | |
| _CP0_SET_STATUS( ( ulStatus | ( configMAX_SYSCALL_INTERRUPT_PRIORITY << portIPL_SHIFT ) ) ); \ | |
| } \ | |
| } | |
| #else /* configASSERT */ | |
| #define portDISABLE_INTERRUPTS() \ | |
| { \ | |
| uint32_t ulStatus; \ | |
| \ | |
| /* Mask interrupts at and below the kernel interrupt priority. */ \ | |
| ulStatus = _CP0_GET_STATUS(); \ | |
| ulStatus &= ~portALL_IPL_BITS; \ | |
| _CP0_SET_STATUS( ( ulStatus | ( configMAX_SYSCALL_INTERRUPT_PRIORITY << portIPL_SHIFT ) ) ); \ | |
| } | |
| #endif /* configASSERT */ | |
| #define portENABLE_INTERRUPTS() \ | |
| { \ | |
| uint32_t ulStatus; \ | |
| \ | |
| /* Unmask all interrupts. */ \ | |
| ulStatus = _CP0_GET_STATUS(); \ | |
| ulStatus &= ~portALL_IPL_BITS; \ | |
| _CP0_SET_STATUS( ulStatus ); \ | |
| } | |
| extern void vTaskEnterCritical( void ); | |
| extern void vTaskExitCritical( void ); | |
| #define portCRITICAL_NESTING_IN_TCB 1 | |
| #define portENTER_CRITICAL() vTaskEnterCritical() | |
| #define portEXIT_CRITICAL() vTaskExitCritical() | |
| extern UBaseType_t uxPortSetInterruptMaskFromISR(); | |
| extern void vPortClearInterruptMaskFromISR( UBaseType_t ); | |
| #define portSET_INTERRUPT_MASK_FROM_ISR() uxPortSetInterruptMaskFromISR() | |
| #define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedStatusRegister ) vPortClearInterruptMaskFromISR( uxSavedStatusRegister ) | |
| #if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1 | |
| /* Check the configuration. */ | |
| #if( configMAX_PRIORITIES > 32 ) | |
| #error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice. | |
| #endif | |
| /* Store/clear the ready priorities in a bit map. */ | |
| #define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) ) | |
| #define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) ) | |
| /*-----------------------------------------------------------*/ | |
| #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - _clz( ( uxReadyPriorities ) ) ) | |
| #endif /* taskRECORD_READY_PRIORITY */ | |
| /*-----------------------------------------------------------*/ | |
| /* Task utilities. */ | |
| #define portYIELD() \ | |
| { \ | |
| uint32_t ulCause; \ | |
| \ | |
| /* Trigger software interrupt. */ \ | |
| ulCause = _CP0_GET_CAUSE(); \ | |
| ulCause |= portSW0_BIT; \ | |
| _CP0_SET_CAUSE( ulCause ); \ | |
| } | |
| #define portCURRENT_INTERRUPT_PRIORITY ( ( _CP0_GET_STATUS() & portALL_IPL_BITS ) >> portIPL_SHIFT ) | |
| #define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() configASSERT( portCURRENT_INTERRUPT_PRIORITY <= configMAX_SYSCALL_INTERRUPT_PRIORITY ) | |
| #define portNOP() __asm volatile ( "nop" ) | |
| /*-----------------------------------------------------------*/ | |
| /* Task function macros as described on the FreeRTOS.org WEB site. */ | |
| #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) __attribute__((noreturn)) | |
| #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters ) | |
| /*-----------------------------------------------------------*/ | |
| #define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) \ | |
| { \ | |
| portYIELD(); \ | |
| } | |
| /* Required by the kernel aware debugger. */ | |
| #ifdef __DEBUG | |
| #define portREMOVE_STATIC_QUALIFIER | |
| #endif | |
| #ifdef __cplusplus | |
| } | |
| #endif | |
| #endif /* PORTMACRO_H */ | |