tasks.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "FreeRTOS.h"
#include "task.h"
#include "StackMacros.h"

Go to the source code of this file.

Classes
struct	tskTaskControlBlock

Macros
#define	MPU_WRAPPERS_INCLUDED_FROM_API_FILE
#define	tskIDLE_STACK_SIZE   configMINIMAL_STACK_SIZE
#define	tskSTACK_FILL_BYTE   ( 0xa5 )
#define	tskBLOCKED_CHAR   ( ( signed char ) 'B' )
#define	tskREADY_CHAR   ( ( signed char ) 'R' )
#define	tskDELETED_CHAR   ( ( signed char ) 'D' )
#define	tskSUSPENDED_CHAR   ( ( signed char ) 'S' )
#define	vWriteTraceToBuffer()
#define	prvAddTaskToReadyQueue(pxTCB)
#define	prvCheckDelayedTasks()
#define	prvGetTCBFromHandle(pxHandle)   ( ( pxHandle == NULL ) ? ( tskTCB * ) pxCurrentTCB : ( tskTCB * ) pxHandle )

Typedefs
typedef struct tskTaskControlBlock	tskTCB

Functions
void	vTaskStartScheduler (void)
void	vTaskEndScheduler (void)
void	vTaskSuspendAll (void)
signed portBASE_TYPE	xTaskResumeAll (void)
portTickType	xTaskGetTickCount (void)
portTickType	xTaskGetTickCountFromISR (void)
unsigned portBASE_TYPE	uxTaskGetNumberOfTasks (void)
void	vTaskIncrementTick (void)
void	vTaskSwitchContext (void)
void	vTaskPlaceOnEventList (const xList *const pxEventList, portTickType xTicksToWait)
signed portBASE_TYPE	xTaskRemoveFromEventList (const xList *const pxEventList)
void	vTaskSetTimeOutState (xTimeOutType *const pxTimeOut)
portBASE_TYPE	xTaskCheckForTimeOut (xTimeOutType *const pxTimeOut, portTickType *const pxTicksToWait)
void	vTaskMissedYield (void)

Variables
PRIVILEGED_DATA tskTCB *volatile	pxCurrentTCB = NULL

Macro Definition Documentation

#define MPU_WRAPPERS_INCLUDED_FROM_API_FILE

Definition at line 62 of file tasks.c.

#define prvAddTaskToReadyQueue

(

pxTCB)

Value:

{                                                                                                               \
    if( pxTCB->uxPriority > uxTopReadyPriority )                                                                \
    {                                                                                                           \
        uxTopReadyPriority = pxTCB->uxPriority;                                                                 \
    }                                                                                                           \
    vListInsertEnd( ( xList * ) &( pxReadyTasksLists[ pxTCB->uxPriority ] ), &( pxTCB->xGenericListItem ) );    \
}

Definition at line 254 of file tasks.c.

#define prvCheckDelayedTasks

(

)

Value:

{                                                                                                                   \
register tskTCB *pxTCB;                                                                                             \
                                                                                                                    \
    while( ( pxTCB = ( tskTCB * ) listGET_OWNER_OF_HEAD_ENTRY( pxDelayedTaskList ) ) != NULL )                      \
    {                                                                                                               \
        if( xTickCount < listGET_LIST_ITEM_VALUE( &( pxTCB->xGenericListItem ) ) )                                  \
        {                                                                                                           \
            break;                                                                                                  \
        }                                                                                                           \
        vListRemove( &( pxTCB->xGenericListItem ) );                                                                \
        /* Is the task waiting on an event also? */                                                                 \
        if( pxTCB->xEventListItem.pvContainer )                                                                     \
        {                                                                                                           \
            vListRemove( &( pxTCB->xEventListItem ) );                                                              \
        }                                                                                                           \
        prvAddTaskToReadyQueue( pxTCB );                                                                            \
    }                                                                                                               \
}

Definition at line 272 of file tasks.c.

#define prvGetTCBFromHandle

(

pxHandle)

( ( pxHandle == NULL ) ? ( tskTCB * ) pxCurrentTCB : ( tskTCB * ) pxHandle )

Definition at line 299 of file tasks.c.

#define tskBLOCKED_CHAR   ( ( signed char ) 'B' )

Definition at line 188 of file tasks.c.

#define tskDELETED_CHAR   ( ( signed char ) 'D' )

Definition at line 190 of file tasks.c.

#define tskIDLE_STACK_SIZE   configMINIMAL_STACK_SIZE

Definition at line 73 of file tasks.c.

#define tskREADY_CHAR   ( ( signed char ) 'R' )

Definition at line 189 of file tasks.c.

#define tskSTACK_FILL_BYTE   ( 0xa5 )

Definition at line 183 of file tasks.c.

#define tskSUSPENDED_CHAR   ( ( signed char ) 'S' )

Definition at line 191 of file tasks.c.

#define vWriteTraceToBuffer

(

)

Definition at line 242 of file tasks.c.

Typedef Documentation

typedef struct tskTaskControlBlock tskTCB

Function Documentation

unsigned portBASE_TYPE uxTaskGetNumberOfTasks

(

void

)

Definition at line 1213 of file tasks.c.

void vTaskEndScheduler

(

void

)

Definition at line 1091 of file tasks.c.

void vTaskIncrementTick

(

void

)

Definition at line 1401 of file tasks.c.

void vTaskMissedYield

(

void

)

Definition at line 1819 of file tasks.c.

void vTaskPlaceOnEventList	(	const xList *const	pxEventList,
		portTickType	xTicksToWait
	)

Definition at line 1652 of file tasks.c.

void vTaskSetTimeOutState

(

xTimeOutType *const

pxTimeOut)

Definition at line 1769 of file tasks.c.

void vTaskStartScheduler

(

void

)

Definition at line 1049 of file tasks.c.

void vTaskSuspendAll

(

void

)

Definition at line 1102 of file tasks.c.

void vTaskSwitchContext

(

void

)

Definition at line 1597 of file tasks.c.

portBASE_TYPE xTaskCheckForTimeOut	(	xTimeOutType *const	pxTimeOut,
		portTickType *const	pxTicksToWait
	)

Definition at line 1776 of file tasks.c.

portTickType xTaskGetTickCount

(

void

)

Definition at line 1192 of file tasks.c.

portTickType xTaskGetTickCountFromISR

(

void

)

Definition at line 1207 of file tasks.c.

signed portBASE_TYPE xTaskRemoveFromEventList

(

const xList *const

pxEventList)

Definition at line 1722 of file tasks.c.

signed portBASE_TYPE xTaskResumeAll

(

void

)

Definition at line 1110 of file tasks.c.

Variable Documentation

PRIVILEGED_DATA tskTCB* volatile pxCurrentTCB = NULL

Definition at line 133 of file tasks.c.