countsem.c File Reference

#include "FreeRTOS.h"
#include "task.h"
#include "semphr.h"
#include "countsem.h"

Data Structures
struct	COUNT_SEM_STRUCT

Macros
#define	countDONT_BLOCK   ( 0 )
#define	countMAX_COUNT_VALUE   ( 200 )
#define	countNUM_TEST_TASKS   ( 2 )
#define	countSTART_AT_MAX_COUNT   ( 0xaa )
#define	countSTART_AT_ZERO   ( 0x55 )

Typedefs
typedef struct COUNT_SEM_STRUCT	xCountSemStruct

Functions
static void	prvCountingSemaphoreTask (void *pvParameters)
static void	prvDecrementSemaphoreCount (xSemaphoreHandle xSemaphore, unsigned portBASE_TYPE *puxLoopCounter)
static void	prvIncrementSemaphoreCount (xSemaphoreHandle xSemaphore, unsigned portBASE_TYPE *puxLoopCounter)
void	vStartCountingSemaphoreTasks (void)
portBASE_TYPE	xAreCountingSemaphoreTasksStillRunning (void)

Variables
static volatile portBASE_TYPE	xErrorDetected = pdFALSE
static volatile xCountSemStruct	xParameters [countNUM_TEST_TASKS]

#define countDONT_BLOCK   ( 0 )

Referenced by prvDecrementSemaphoreCount(), and prvIncrementSemaphoreCount().

#define countMAX_COUNT_VALUE   ( 200 )

Referenced by prvDecrementSemaphoreCount(), prvIncrementSemaphoreCount(), and vStartCountingSemaphoreTasks().

#define countNUM_TEST_TASKS   ( 2 )

#define countSTART_AT_MAX_COUNT   ( 0xaa )

Referenced by prvCountingSemaphoreTask(), and vStartCountingSemaphoreTasks().

#define countSTART_AT_ZERO   ( 0x55 )

typedef struct COUNT_SEM_STRUCT xCountSemStruct

static void prvCountingSemaphoreTask ( void *  pvParameters )

static

References countSTART_AT_MAX_COUNT, pdPASS, pdTRUE, prvDecrementSemaphoreCount(), prvIncrementSemaphoreCount(), COUNT_SEM_STRUCT::uxExpectedStartCount, COUNT_SEM_STRUCT::uxLoopCounter, vPrintDisplayMessage(), xErrorDetected, COUNT_SEM_STRUCT::xSemaphore, and xSemaphoreTake.

Referenced by vStartCountingSemaphoreTasks().

static void prvDecrementSemaphoreCount ( xSemaphoreHandle  xSemaphore, unsigned portBASE_TYPE *  puxLoopCounter  )

static

References countDONT_BLOCK, countMAX_COUNT_VALUE, pdPASS, pdTRUE, taskYIELD, xErrorDetected, xSemaphoreGive, and xSemaphoreTake.

Referenced by prvCountingSemaphoreTask().

static void prvIncrementSemaphoreCount ( xSemaphoreHandle  xSemaphore, unsigned portBASE_TYPE *  puxLoopCounter  )

static

References countDONT_BLOCK, countMAX_COUNT_VALUE, pdPASS, pdTRUE, taskYIELD, xErrorDetected, xSemaphoreGive, and xSemaphoreTake.

Referenced by prvCountingSemaphoreTask().

void vStartCountingSemaphoreTasks

(

void

)

References countMAX_COUNT_VALUE, countSTART_AT_MAX_COUNT, NULL, prvCountingSemaphoreTask(), tskIDLE_PRIORITY, COUNT_SEM_STRUCT::uxExpectedStartCount, COUNT_SEM_STRUCT::uxLoopCounter, vQueueAddToRegistry, COUNT_SEM_STRUCT::xSemaphore, xSemaphoreCreateCounting, and xTaskCreate.

portBASE_TYPE xAreCountingSemaphoreTasksStillRunning

(

void

)

References pdFAIL, pdFALSE, pdPASS, COUNT_SEM_STRUCT::uxLoopCounter, and xErrorDetected.

volatile portBASE_TYPE xErrorDetected = pdFALSE

static

Referenced by prvCountingSemaphoreTask(), prvDecrementSemaphoreCount(), prvIncrementSemaphoreCount(), and xAreCountingSemaphoreTasksStillRunning().

volatile xCountSemStruct xParameters[countNUM_TEST_TASKS]

static