Add vSemaphoreDelete(), xTaskGetIdleTaskHandle(), xTimerGetTimerTaskHandle() API functions. Change vTickISR() to vPortTickISR(). Partially comment portmacro.h. All for the new MicroBlaze port.

This commit is contained in:
Richard Barry 2011-07-04 18:13:09 +00:00
parent 3d5656e37e
commit 1f5e2a944c
7 changed files with 178 additions and 7 deletions

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@ -711,6 +711,19 @@ typedef xQueueHandle xSemaphoreHandle;
*/
#define xSemaphoreCreateCounting( uxMaxCount, uxInitialCount ) xQueueCreateCountingSemaphore( ( uxMaxCount ), ( uxInitialCount ) )
/**
* semphr. h
* <pre>void vSemaphoreDelete( xSemaphoreHandle xSemaphore );</pre>
*
* Delete a semaphore. This function must be used with care. For example,
* do not delete a mutex type semaphore if the mutex is held by a task.
*
* @param xSemaphore A handle to the semaphore to be deleted.
*
* \page vSemaphoreDelete vSemaphoreDelete
* \ingroup Semaphores
*/
#define vSemaphoreDelete( xSemaphore ) vQueueDelete( ( xQueueHandle ) xSemaphore )
#endif /* SEMAPHORE_H */

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@ -202,7 +202,7 @@ typedef struct xTASK_PARAMTERS
*<pre>
portBASE_TYPE xTaskCreate(
pdTASK_CODE pvTaskCode,
const char * const pcName,
const signed char * const pcName,
unsigned short usStackDepth,
void *pvParameters,
unsigned portBASE_TYPE uxPriority,
@ -1170,6 +1170,14 @@ constant. */
*/
portBASE_TYPE xTaskCallApplicationTaskHook( xTaskHandle xTask, void *pvParameter ) PRIVILEGED_FUNCTION;
/**
* xTaskGetIdleTaskHandle() is only available if
* INCLUDE_xTaskGetIdleTaskHandle is set to 1 in FreeRTOSConfig.h.
*
* Simply returns the handle of the idle task. It is not valid to call
* xTaskGetIdleTaskHandle() before the scheduler has been started.
*/
xTaskHandle xTaskGetIdleTaskHandle( void );
/*-----------------------------------------------------------
* SCHEDULER INTERNALS AVAILABLE FOR PORTING PURPOSES

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@ -283,6 +283,15 @@ void *pvTimerGetTimerID( xTimerHandle xTimer ) PRIVILEGED_FUNCTION;
*/
portBASE_TYPE xTimerIsTimerActive( xTimerHandle xTimer ) PRIVILEGED_FUNCTION;
/**
* xTimerGetTimerTaskHandle() is only available if
* INCLUDE_xTimerGetTimerTaskHandle is set to 1 in FreeRTOSConfig.h.
*
* Simply returns the handle of the timer service/daemon task. It it not valid
* to call xTimerGetTimerTaskHandle() before the scheduler has been started.
*/
xTaskHandle xTimerGetTimerTaskHandle( void );
/**
* portBASE_TYPE xTimerStart( xTimerHandle xTimer, portTickType xBlockTime );
*

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@ -396,7 +396,7 @@ long lReturn;
* Handler for the timer interrupt. This is the handler that the application
* defined callback function vApplicationSetupTimerInterrupt() should install.
*/
void vTickISR( void *pvUnused )
void vPortTickISR( void *pvUnused )
{
extern void vApplicationClearTimerInterrupt( void );

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@ -96,8 +96,82 @@ void microblaze_enable_interrupts( void );
#define portDISABLE_INTERRUPTS() microblaze_disable_interrupts()
#define portENABLE_INTERRUPTS() microblaze_enable_interrupts()
/*
* Installs pxHandler as the interrupt handler for the peripheral specified by
* the ucInterruptID parameter.
*
* ucInterruptID:
*
* The ID of the peripheral that will have pxHandler assigned as its interrupt
* handler. Peripheral IDs are defined in the xparameters.h header file, which
* is itself part of the BSP project. For example, in the official demo
* application for this port, xparameters.h defines the following IDs for the
* four possible interrupt sources:
*
* XPAR_INTC_0_UARTLITE_1_VEC_ID - for the UARTlite peripheral.
* XPAR_INTC_0_TMRCTR_0_VEC_ID - for the AXI Timer 0 peripheral.
* XPAR_INTC_0_EMACLITE_0_VEC_ID - for the Ethernet lite peripheral.
* XPAR_INTC_0_GPIO_1_VEC_ID - for the button inputs.
*
*
* pxHandler:
*
* A pointer to the interrupt handler function itself. This must be a void
* function that takes a (void *) parameter.
*
*
* pvCallBackRef:
*
* The parameter passed into the handler function. In many cases this will not
* be used and can be NULL. Some times it is used to pass in a reference to
* the peripheral instance variable, so it can be accessed from inside the
* handler function.
*
*
* pdPASS is returned if the function executes successfully. Any other value
* being returned indicates that the function did not execute correctly.
*/
portBASE_TYPE xPortInstallInterruptHandler( unsigned char ucInterruptID, XInterruptHandler pxHandler, void *pvCallBackRef );
/*
* Enables the interrupt, within the interrupt controller, for the peripheral
* specified by the ucInterruptID parameter.
*
* ucInterruptID:
*
* The ID of the peripheral that will have its interrupt enabled in the
* interrupt controller. Peripheral IDs are defined in the xparameters.h header
* file, which is itself part of the BSP project. For example, in the official
* demo application for this port, xparameters.h defines the following IDs for
* the four possible interrupt sources:
*
* XPAR_INTC_0_UARTLITE_1_VEC_ID - for the UARTlite peripheral.
* XPAR_INTC_0_TMRCTR_0_VEC_ID - for the AXI Timer 0 peripheral.
* XPAR_INTC_0_EMACLITE_0_VEC_ID - for the Ethernet lite peripheral.
* XPAR_INTC_0_GPIO_1_VEC_ID - for the button inputs.
*
*/
void vPortEnableInterrupt( unsigned char ucInterruptID );
/*
* Disables the interrupt, within the interrupt controller, for the peripheral
* specified by the ucInterruptID parameter.
*
* ucInterruptID:
*
* The ID of the peripheral that will have its interrupt disabled in the
* interrupt controller. Peripheral IDs are defined in the xparameters.h header
* file, which is itself part of the BSP project. For example, in the official
* demo application for this port, xparameters.h defines the following IDs for
* the four possible interrupt sources:
*
* XPAR_INTC_0_UARTLITE_1_VEC_ID - for the UARTlite peripheral.
* XPAR_INTC_0_TMRCTR_0_VEC_ID - for the AXI Timer 0 peripheral.
* XPAR_INTC_0_EMACLITE_0_VEC_ID - for the Ethernet lite peripheral.
* XPAR_INTC_0_GPIO_1_VEC_ID - for the button inputs.
*
*/
void vPortDisableInterrupt( unsigned char ucInterruptID );
void vApplicationSetupTimerInterrupt( void );
@ -128,11 +202,16 @@ void vPortExitCritical( void );
/*-----------------------------------------------------------*/
/* Task utilities. */
/* The yield macro maps directly to the vPortYield() function. */
void vPortYield( void );
#define portYIELD() vPortYield()
void vTaskSwitchContext();
/* portYIELD_FROM_ISR() does not directly call vTaskSwitchContext(), but instead
sets a flag to say that a yield has been requested. The interrupt exit code
then checks this flag, and calls vTaskSwitchContext() before restoring a task
context, if the flag is not false. This is done to prevent multiple calls to
vTaskSwitchContext() being made from a single interrupt, as a single interrupt
can result in multiple peripherals being serviced. */
extern volatile unsigned long ulTaskSwitchRequested;
#define portYIELD_FROM_ISR( x ) if( x != pdFALSE ) ulTaskSwitchRequested = 1
/*-----------------------------------------------------------*/
@ -147,7 +226,11 @@ extern volatile unsigned long ulTaskSwitchRequested;
/* 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 )
/*-----------------------------------------------------------*/
/* The following structure is used by the FreeRTOS exception handler. It is
filled with the MicroBlaze context as it was at the time the exception occurred.
This is done as an aid to debugging exception occurrences. */
typedef struct PORT_REGISTER_DUMP
{
/* The following structure members hold the values of the MicroBlaze
@ -168,7 +251,7 @@ typedef struct PORT_REGISTER_DUMP
unsigned long ulR14_return_address_from_interrupt;
unsigned long ulR15_return_address_from_subroutine;
unsigned long ulR16_return_address_from_trap;
unsigned long ulR17_return_address_from_exceptions; /* The exception entry code can copy the BTR in here for exceptions that occur in the delay slot of branch instructions. */
unsigned long ulR17_return_address_from_exceptions; /* The exception entry code will copy the BTR into R17 if the exception occurred in the delay slot of a branch instruction. */
unsigned long ulR18;
unsigned long ulR19;
unsigned long ulR20;

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@ -157,6 +157,12 @@ PRIVILEGED_DATA static xList xPendingReadyList; /*< Tasks that have been r
#endif
#if ( INCLUDE_xTaskGetIdleTaskHandle == 1 )
PRIVILEGED_DATA static xTaskHandle xIdleTaskHandle = NULL;
#endif
/* File private variables. --------------------------------*/
PRIVILEGED_DATA static volatile unsigned portBASE_TYPE uxCurrentNumberOfTasks = ( unsigned portBASE_TYPE ) 0;
PRIVILEGED_DATA static volatile portTickType xTickCount = ( portTickType ) 0;
@ -1090,7 +1096,18 @@ void vTaskStartScheduler( void )
portBASE_TYPE xReturn;
/* Add the idle task at the lowest priority. */
xReturn = xTaskCreate( prvIdleTask, ( signed char * ) "IDLE", tskIDLE_STACK_SIZE, ( void * ) NULL, ( tskIDLE_PRIORITY | portPRIVILEGE_BIT ), ( xTaskHandle * ) NULL );
#if ( INCLUDE_xTaskGetIdleTaskHandle == 1 )
{
/* Create the idle task, storing its handle in xIdleTaskHandle so it can
be returned by the xTaskGetIdleTaskhandle() function. */
xReturn = xTaskCreate( prvIdleTask, ( signed char * ) "IDLE", tskIDLE_STACK_SIZE, ( void * ) NULL, ( tskIDLE_PRIORITY | portPRIVILEGE_BIT ), &xIdleTaskHandle );
}
#else
{
/* Create the idle task without storing its handle. */
xReturn = xTaskCreate( prvIdleTask, ( signed char * ) "IDLE", tskIDLE_STACK_SIZE, ( void * ) NULL, ( tskIDLE_PRIORITY | portPRIVILEGE_BIT ), NULL );
}
#endif
#if ( configUSE_TIMERS == 1 )
{
@ -1466,8 +1483,19 @@ tskTCB *pxTCB;
}
#endif
/*----------------------------------------------------------*/
#if ( INCLUDE_xTaskGetIdleTaskHandle == 1 )
xTaskHandle xTaskGetIdleTaskHandle( void )
{
/* If xTaskGetIdleTaskHandle() is called before the scheduler has been
started, then xIdleTaskHandle will be NULL. */
configASSERT( ( xIdleTaskHandle != NULL ) );
return xIdleTaskHandle;
}
#endif
/*-----------------------------------------------------------
* SCHEDULER INTERNALS AVAILABLE FOR PORTING PURPOSES

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@ -110,6 +110,12 @@ PRIVILEGED_DATA static xList *pxOverflowTimerList;
/* A queue that is used to send commands to the timer service task. */
PRIVILEGED_DATA static xQueueHandle xTimerQueue = NULL;
#if ( INCLUDE_xTimerGetTimerTaskHandle == 1 )
PRIVILEGED_DATA static xTaskHandle xTimerTaskHandle = NULL;
#endif
/*-----------------------------------------------------------*/
/*
@ -183,7 +189,18 @@ portBASE_TYPE xReturn = pdFAIL;
if( xTimerQueue != NULL )
{
xReturn = xTaskCreate( prvTimerTask, ( const signed char * ) "Tmr Svc", ( unsigned short ) configTIMER_TASK_STACK_DEPTH, NULL, ( unsigned portBASE_TYPE ) configTIMER_TASK_PRIORITY, NULL);
#if ( INCLUDE_xTimerGetTimerTaskHandle == 1 )
{
/* Create the timer task, storing its handle in xTimerTaskHandle so
it can be returned by the xTimerGetTimerTaskHandle() function. */
xReturn = xTaskCreate( prvTimerTask, ( const signed char * ) "Tmr Svc", ( unsigned short ) configTIMER_TASK_STACK_DEPTH, NULL, ( unsigned portBASE_TYPE ) configTIMER_TASK_PRIORITY, &xTimerTaskHandle );
}
#else
{
/* Create the timer task without storing its handle. */
xReturn = xTaskCreate( prvTimerTask, ( const signed char * ) "Tmr Svc", ( unsigned short ) configTIMER_TASK_STACK_DEPTH, NULL, ( unsigned portBASE_TYPE ) configTIMER_TASK_PRIORITY, NULL);
}
#endif
}
configASSERT( xReturn );
@ -267,6 +284,19 @@ xTIMER_MESSAGE xMessage;
}
/*-----------------------------------------------------------*/
#if ( INCLUDE_xTimerGetTimerTaskHandle == 1 )
xTaskHandle xTimerGetTimerTaskHandle( void )
{
/* If xTimerGetTimerTaskHandle() is called before the scheduler has been
started, then xTimerTaskHandle will be NULL. */
configASSERT( ( xTimerTaskHandle != NULL ) );
return xTimerTaskHandle;
}
#endif
/*-----------------------------------------------------------*/
static void prvProcessExpiredTimer( portTickType xNextExpireTime, portTickType xTimeNow )
{
xTIMER *pxTimer;