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Minor tidy ups that don't effect code generation, plus:

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When a task is unblocked the need for a context switch is only signalled if the unblocked task has a priority higher than the currently running task, instead of higher than or equal to the priority of the currently running task.
pull/4/head
Richard Barry 11 years ago
parent 723682f1dd
commit a56d4b998c
11 changed files with 89 additions and 92 deletions
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21
FreeRTOS/Demo/WIN32-MSVC/FreeRTOSConfig.h
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@ -78,6 +78,7 @@
*----------------------------------------------------------*/
#define configUSE_PREEMPTION 1
#define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
#define configUSE_IDLE_HOOK 1
#define configUSE_TICK_HOOK 1
#define configTICK_RATE_HZ ( 1000 ) /* In this non-real time simulated environment the tick frequency has to be at least a multiple of the Win32 tick frequency, and therefore very slow. */
@ -97,6 +98,7 @@
#define configUSE_ALTERNATIVE_API 1
#define configUSE_QUEUE_SETS 1
/* Software timer related configuration options. */
#define configUSE_TIMERS 1
#define configTIMER_TASK_PRIORITY 2
#define configTIMER_QUEUE_LENGTH 20
@ -104,14 +106,14 @@
#define configMAX_PRIORITIES ( 7 )
/* Run time stats gathering definitions. */
unsigned long ulGetRunTimeCounterValue( void );
void vConfigureTimerForRunTimeStats( void );
/* Run time stats gathering configuration options. */
unsigned long ulGetRunTimeCounterValue( void ); /* Prototype of function that returns run time counter. */
void vConfigureTimerForRunTimeStats( void ); /* Prototype of function that initialises the run time counter. */
#define configGENERATE_RUN_TIME_STATS 1
#define portCONFIGURE_TIMER_FOR_RUN_TIME_STATS() vConfigureTimerForRunTimeStats()
#define portGET_RUN_TIME_COUNTER_VALUE() ulGetRunTimeCounterValue()
/* Co-routine definitions. */
/* Co-routine related configuration options. */
#define configUSE_CO_ROUTINES 1
#define configMAX_CO_ROUTINE_PRIORITIES ( 2 )
@ -122,7 +124,8 @@ FreeRTOS/Source/tasks.c for limitations. */
#define configUSE_STATS_FORMATTING_FUNCTIONS 1
/* Set the following definitions to 1 to include the API function, or zero
to exclude the API function. */
to exclude the API function. In most cases the linker will remove unused
functions anyway. */
#define INCLUDE_vTaskPrioritySet 1
#define INCLUDE_uxTaskPriorityGet 1
#define INCLUDE_vTaskDelete 1
@ -139,15 +142,11 @@ to exclude the API function. */
#define INCLUDE_xSemaphoreGetMutexHolder 1
#define INCLUDE_xTimerPendFunctionCallFromISR 1
/* Standard assert semantics. */
/* It is a good idea to define configASSERT() while developing. configASSERT()
uses the same semantics as the standard C assert() macro. */
extern void vAssertCalled( unsigned long ulLine, const char * const pcFileName );
#define configASSERT( x ) if( ( x ) == 0 ) vAssertCalled( __LINE__, __FILE__ )
/* configUSE_PORT_OPTIMISED_TASK_SELECTION is only available in the MSVC
version of the Win32 simulator projects. It will be ignored in the GCC
version. */
#define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
/* Include the FreeRTOS+Trace FreeRTOS trace macro definitions. */
#include "trcKernelPort.h"

30
FreeRTOS/Demo/WIN32-MingW/FreeRTOSConfig.h
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@ -67,8 +67,6 @@
#ifndef FREERTOS_CONFIG_H
#define FREERTOS_CONFIG_H
#include <stdint.h>
/*-----------------------------------------------------------
* Application specific definitions.
*
@ -80,6 +78,7 @@
*----------------------------------------------------------*/
#define configUSE_PREEMPTION 1
#define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
#define configUSE_IDLE_HOOK 1
#define configUSE_TICK_HOOK 1
#define configTICK_RATE_HZ ( 1000 ) /* In this non-real time simulated environment the tick frequency has to be at least a multiple of the Win32 tick frequency, and therefore very slow. */
@ -99,6 +98,7 @@
#define configUSE_ALTERNATIVE_API 1
#define configUSE_QUEUE_SETS 1
/* Software timer related configuration options. */
#define configUSE_TIMERS 1
#define configTIMER_TASK_PRIORITY ( configMAX_PRIORITIES - 1 )
#define configTIMER_QUEUE_LENGTH 20
@ -106,20 +106,26 @@
#define configMAX_PRIORITIES ( 8 )
/* Run time stats gathering definitions. */
unsigned long ulGetRunTimeCounterValue( void );
void vConfigureTimerForRunTimeStats( void );
/* Run time stats gathering configuration options. */
unsigned long ulGetRunTimeCounterValue( void ); /* Prototype of function that returns run time counter. */
void vConfigureTimerForRunTimeStats( void ); /* Prototype of function that initialises the run time counter. */
#define configGENERATE_RUN_TIME_STATS 1
#define portCONFIGURE_TIMER_FOR_RUN_TIME_STATS() vConfigureTimerForRunTimeStats()
#define portGET_RUN_TIME_COUNTER_VALUE() ulGetRunTimeCounterValue()
/* Co-routine definitions. */
/* Co-routine related configuration options. */
#define configUSE_CO_ROUTINES 1
#define configMAX_CO_ROUTINE_PRIORITIES ( 2 )
/* Set the following definitions to 1 to include the API function, or zero
to exclude the API function. */
/* This demo makes use of one or more example stats formatting functions. These
format the raw data provided by the uxTaskGetSystemState() function in to human
readable ASCII form. See the notes in the implementation of vTaskList() within
FreeRTOS/Source/tasks.c for limitations. */
#define configUSE_STATS_FORMATTING_FUNCTIONS 1
/* Set the following definitions to 1 to include the API function, or zero
to exclude the API function. In most cases the linker will remove unused
functions anyway. */
#define INCLUDE_vTaskPrioritySet 1
#define INCLUDE_uxTaskPriorityGet 1
#define INCLUDE_vTaskDelete 1
@ -136,16 +142,12 @@ to exclude the API function. */
#define INCLUDE_xSemaphoreGetMutexHolder 1
#define INCLUDE_xTimerPendFunctionCallFromISR 1
/* Standard assert semantics. */
/* It is a good idea to define configASSERT() while developing. configASSERT()
uses the same semantics as the standard C assert() macro. */
extern void vAssertCalled( unsigned long ulLine, const char * const pcFileName );
#define configASSERT( x ) if( ( x ) == 0 ) vAssertCalled( __LINE__, __FILE__ )
/* configUSE_PORT_OPTIMISED_TASK_SELECTION is only available in the MSVC
version of the Win32 simulator projects. It will be ignored in the GCC
version. */
#define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
/* Include the FreeRTOS+Trace FreeRTOS trace macro definitions. */
#include "trcKernelPort.h"
#endif /* FREERTOS_CONFIG_H */

6
FreeRTOS/Source/include/FreeRTOS.h
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@ -200,10 +200,6 @@ is included as it is used by the port layer. */
#define configUSE_TIMERS 0
#endif
#ifndef configUSE_EVENT_GROUPS
#define configUSE_EVENT_GROUPS 0
#endif
#ifndef configUSE_COUNTING_SEMAPHORES
#define configUSE_COUNTING_SEMAPHORES 0
#endif
@ -706,7 +702,7 @@ is included as it is used by the port layer. */
/* Backward compatibility within the scheduler code only - these definitions
are not really required but are included for completeness. */
#define trmTIMER_CALLBACK TimerCallbackFunction_t
#define tmrTIMER_CALLBACK TimerCallbackFunction_t
#define pdTASK_CODE TaskFunction_t
#define xListItem ListItem_t
#define xList List_t

2
FreeRTOS/Source/portable/GCC/ARM7_AT91SAM7S/portISR.c
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@ -181,7 +181,7 @@ void vPortYieldProcessor( void )
}
/* End the interrupt in the AIC. */
AT91C_BASE_AIC->AIC_EOICR = AT91C_BASE_PITC->PITC_PIVR;;
AT91C_BASE_AIC->AIC_EOICR = AT91C_BASE_PITC->PITC_PIVR;
portRESTORE_CONTEXT();
}

2
FreeRTOS/Source/portable/GCC/ARM_CM3/port.c
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@ -644,7 +644,7 @@ __attribute__(( weak )) void vPortSetupTimerInterrupt( void )
#endif /* configUSE_TICKLESS_IDLE */
/* Configure SysTick to interrupt at the requested rate. */
portNVIC_SYSTICK_LOAD_REG = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL;;
portNVIC_SYSTICK_LOAD_REG = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL;
portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT | portNVIC_SYSTICK_ENABLE_BIT );
}
/*-----------------------------------------------------------*/

2
FreeRTOS/Source/portable/GCC/ARM_CM4F/port.c
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@ -687,7 +687,7 @@ __attribute__(( weak )) void vPortSetupTimerInterrupt( void )
#endif /* configUSE_TICKLESS_IDLE */
/* Configure SysTick to interrupt at the requested rate. */
portNVIC_SYSTICK_LOAD_REG = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL;;
portNVIC_SYSTICK_LOAD_REG = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL;
portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT | portNVIC_SYSTICK_ENABLE_BIT );
}
/*-----------------------------------------------------------*/

2
FreeRTOS/Source/portable/IAR/ARM_CM3/port.c
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@ -526,7 +526,7 @@ __weak void vPortSetupTimerInterrupt( void )
#endif /* configUSE_TICKLESS_IDLE */
/* Configure SysTick to interrupt at the requested rate. */
portNVIC_SYSTICK_LOAD_REG = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL;;
portNVIC_SYSTICK_LOAD_REG = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL;
portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT | portNVIC_SYSTICK_ENABLE_BIT );
}
/*-----------------------------------------------------------*/

2
FreeRTOS/Source/portable/IAR/ARM_CM4F/port.c
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@ -552,7 +552,7 @@ __weak void vPortSetupTimerInterrupt( void )
#endif /* configUSE_TICKLESS_IDLE */
/* Configure SysTick to interrupt at the requested rate. */
portNVIC_SYSTICK_LOAD_REG = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL;;
portNVIC_SYSTICK_LOAD_REG = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL;
portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT | portNVIC_SYSTICK_ENABLE_BIT );
}
/*-----------------------------------------------------------*/

2
FreeRTOS/Source/portable/RVDS/ARM_CM3/port.c
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@ -610,7 +610,7 @@ void xPortSysTickHandler( void )
#endif /* configUSE_TICKLESS_IDLE */
/* Configure SysTick to interrupt at the requested rate. */
portNVIC_SYSTICK_LOAD_REG = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL;;
portNVIC_SYSTICK_LOAD_REG = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL;
portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT | portNVIC_SYSTICK_ENABLE_BIT );
}

2
FreeRTOS/Source/portable/RVDS/ARM_CM4F/port.c
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@ -680,7 +680,7 @@ void xPortSysTickHandler( void )
#endif /* configUSE_TICKLESS_IDLE */
/* Configure SysTick to interrupt at the requested rate. */
portNVIC_SYSTICK_LOAD_REG = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL;;
portNVIC_SYSTICK_LOAD_REG = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL;
portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT | portNVIC_SYSTICK_ENABLE_BIT );
}

8
FreeRTOS/Source/tasks.c
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@ -2324,12 +2324,12 @@ BaseType_t xReturn;
}
else
{
/* We cannot access the delayed or ready lists, so will hold this
task pending until the scheduler is resumed. */
/* The delayed and ready lists cannot be accessed, so hold this task
pending until the scheduler is resumed. */
vListInsertEnd( &( xPendingReadyList ), &( pxUnblockedTCB->xEventListItem ) );
}
if( pxUnblockedTCB->uxPriority >= pxCurrentTCB->uxPriority )
if( pxUnblockedTCB->uxPriority > pxCurrentTCB->uxPriority )
{
/* Return true if the task removed from the event list has
a higher priority than the calling task. This allows
@ -2379,7 +2379,7 @@ BaseType_t xReturn;
vListInsertEnd( &( xPendingReadyList ), pxEventListItem );
}
if( pxUnblockedTCB->uxPriority >= pxCurrentTCB->uxPriority )
if( pxUnblockedTCB->uxPriority > pxCurrentTCB->uxPriority )
{
/* Return true if the task removed from the event list has
a higher priority than the calling task. This allows

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