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https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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Alfred Gedeon
alfred gedeon
parent
a5dbc2b1de
commit
718178c68a
406 changed files with 108795 additions and 106323 deletions
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@ -25,13 +25,13 @@
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*/
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#ifndef PORTMACRO_H
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#define PORTMACRO_H
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#define PORTMACRO_H
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#include <intrinsics.h>
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#include <intrinsics.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*-----------------------------------------------------------
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* Port specific definitions.
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@ -44,137 +44,139 @@
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*/
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/* Type definitions. */
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#define portCHAR char
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#define portFLOAT float
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#define portDOUBLE double
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#define portLONG long
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#define portSHORT short
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#define portSTACK_TYPE uint32_t
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#define portBASE_TYPE long
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#define portCHAR char
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#define portFLOAT float
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#define portDOUBLE double
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#define portLONG long
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#define portSHORT short
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#define portSTACK_TYPE uint32_t
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#define portBASE_TYPE long
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typedef portSTACK_TYPE StackType_t;
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typedef long BaseType_t;
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typedef unsigned long UBaseType_t;
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typedef portSTACK_TYPE StackType_t;
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typedef long BaseType_t;
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typedef unsigned long UBaseType_t;
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typedef uint32_t TickType_t;
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#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
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typedef uint32_t TickType_t;
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#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
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/* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
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not need to be guarded with a critical section. */
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#define portTICK_TYPE_IS_ATOMIC 1
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* not need to be guarded with a critical section. */
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#define portTICK_TYPE_IS_ATOMIC 1
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/*-----------------------------------------------------------*/
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/* Hardware specifics. */
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#define portSTACK_GROWTH ( -1 )
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#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
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#define portBYTE_ALIGNMENT 8
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#define portSTACK_GROWTH ( -1 )
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#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
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#define portBYTE_ALIGNMENT 8
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/*-----------------------------------------------------------*/
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/* Task utilities. */
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/* Called at the end of an ISR that can cause a context switch. */
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#define portEND_SWITCHING_ISR( xSwitchRequired )\
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{ \
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extern volatile uint32_t ulPortYieldRequired; \
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\
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if( xSwitchRequired != pdFALSE ) \
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{ \
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ulPortYieldRequired = pdTRUE; \
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} \
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}
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#define portEND_SWITCHING_ISR( xSwitchRequired ) \
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{ \
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extern volatile uint32_t ulPortYieldRequired; \
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\
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if( xSwitchRequired != pdFALSE ) \
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{ \
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ulPortYieldRequired = pdTRUE; \
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} \
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}
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#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
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#define portYIELD() __asm volatile ( "SWI 0 \n" \
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"ISB " );
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#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
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#define portYIELD() \
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__asm volatile ( "SWI 0 \n"\
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"ISB ");
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/*-----------------------------------------------------------
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* Critical section control
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*----------------------------------------------------------*/
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* Critical section control
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*----------------------------------------------------------*/
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extern void vPortEnterCritical( void );
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extern void vPortExitCritical( void );
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extern uint32_t ulPortSetInterruptMask( void );
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extern void vPortClearInterruptMask( uint32_t ulNewMaskValue );
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extern void vPortInstallFreeRTOSVectorTable( void );
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extern void vPortEnterCritical( void );
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extern void vPortExitCritical( void );
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extern uint32_t ulPortSetInterruptMask( void );
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extern void vPortClearInterruptMask( uint32_t ulNewMaskValue );
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extern void vPortInstallFreeRTOSVectorTable( void );
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/* The I bit within the CPSR. */
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#define portINTERRUPT_ENABLE_BIT ( 1 << 7 )
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#define portINTERRUPT_ENABLE_BIT ( 1 << 7 )
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/* In the absence of a priority mask register, these functions and macros
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globally enable and disable interrupts. */
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#define portENTER_CRITICAL() vPortEnterCritical();
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#define portEXIT_CRITICAL() vPortExitCritical();
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#define portENABLE_INTERRUPTS() __asm volatile ( "CPSIE i \n" );
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#define portDISABLE_INTERRUPTS() __asm volatile ( "CPSID i \n" \
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"DSB \n" \
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"ISB " );
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#pragma inline
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static inline uint32_t portINLINE_SET_INTERRUPT_MASK_FROM_ISR( void )
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{
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volatile uint32_t ulCPSR;
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* globally enable and disable interrupts. */
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#define portENTER_CRITICAL() vPortEnterCritical();
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#define portEXIT_CRITICAL() vPortExitCritical();
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#define portENABLE_INTERRUPTS() __asm volatile ( "CPSIE i \n");
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#define portDISABLE_INTERRUPTS() \
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__asm volatile ( "CPSID i \n" \
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"DSB \n" \
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"ISB ");
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#pragma inline
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static inline uint32_t portINLINE_SET_INTERRUPT_MASK_FROM_ISR( void )
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{
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volatile uint32_t ulCPSR;
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__asm volatile ( "MRS %0, CPSR" : "=r" (ulCPSR) );
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ulCPSR &= portINTERRUPT_ENABLE_BIT;
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portDISABLE_INTERRUPTS();
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return ulCPSR;
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}
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__asm volatile ( "MRS %0, CPSR" : "=r" ( ulCPSR ) );
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#define portSET_INTERRUPT_MASK_FROM_ISR() portINLINE_SET_INTERRUPT_MASK_FROM_ISR()
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#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) if( x == 0 ) portENABLE_INTERRUPTS()
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ulCPSR &= portINTERRUPT_ENABLE_BIT;
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portDISABLE_INTERRUPTS();
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return ulCPSR;
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}
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#define portSET_INTERRUPT_MASK_FROM_ISR() portINLINE_SET_INTERRUPT_MASK_FROM_ISR()
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#define portCLEAR_INTERRUPT_MASK_FROM_ISR( x ) if( x == 0 ) portENABLE_INTERRUPTS()
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/*-----------------------------------------------------------*/
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/* Task function macros as described on the FreeRTOS.org WEB site. These are
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not required for this port but included in case common demo code that uses these
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macros is used. */
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#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
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#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
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* not required for this port but included in case common demo code that uses these
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* macros is used. */
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#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
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#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
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/* Prototype of the FreeRTOS tick handler. This must be installed as the
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handler for whichever peripheral is used to generate the RTOS tick. */
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void FreeRTOS_Tick_Handler( void );
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* handler for whichever peripheral is used to generate the RTOS tick. */
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void FreeRTOS_Tick_Handler( void );
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/* Any task that uses the floating point unit MUST call vPortTaskUsesFPU()
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before any floating point instructions are executed. */
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void vPortTaskUsesFPU( void );
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#define portTASK_USES_FLOATING_POINT() vPortTaskUsesFPU()
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* before any floating point instructions are executed. */
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void vPortTaskUsesFPU( void );
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#define portTASK_USES_FLOATING_POINT() vPortTaskUsesFPU()
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#define portLOWEST_INTERRUPT_PRIORITY ( ( ( uint32_t ) configUNIQUE_INTERRUPT_PRIORITIES ) - 1UL )
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#define portLOWEST_USABLE_INTERRUPT_PRIORITY ( portLOWEST_INTERRUPT_PRIORITY - 1UL )
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#define portLOWEST_INTERRUPT_PRIORITY ( ( ( uint32_t ) configUNIQUE_INTERRUPT_PRIORITIES ) - 1UL )
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#define portLOWEST_USABLE_INTERRUPT_PRIORITY ( portLOWEST_INTERRUPT_PRIORITY - 1UL )
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/* Architecture specific optimisations. */
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#ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION
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#define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
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#endif
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#ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION
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#define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
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#endif
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#if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1
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#if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1
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/* Store/clear the ready priorities in a bit map. */
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#define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )
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#define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )
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/* Store/clear the ready priorities in a bit map. */
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#define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )
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#define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )
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/*-----------------------------------------------------------*/
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/*-----------------------------------------------------------*/
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#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31UL - ( uint32_t ) __CLZ( uxReadyPriorities ) )
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#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31UL - ( uint32_t ) __CLZ( uxReadyPriorities ) )
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#endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */
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#endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */
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#define portNOP() __asm volatile( "NOP" )
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#define portINLINE inline
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#define portNOP() __asm volatile ( "NOP" )
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#define portINLINE inline
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/* Suppress warnings that are generated by the IAR tools, but cannot be fixed in
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the source code because to do so would cause other compilers to generate
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warnings. */
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#pragma diag_suppress=Pe191
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#pragma diag_suppress=Pa082
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* the source code because to do so would cause other compilers to generate
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* warnings. */
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#pragma diag_suppress=Pe191
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#pragma diag_suppress=Pa082
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#ifdef __cplusplus
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} /* extern C */
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#endif
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#ifdef __cplusplus
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} /* extern C */
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#endif
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#endif /* PORTMACRO_H */
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