pros_edma3_rm_sample.h

vicp做为dm6446上的硬件加速器

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/** \file   pros_edma3_rm_sample.h

    \brief Header file for the demo sample init library for the EDMA3 Resource
          Manager.

    (C) Copyright 2006, Texas Instruments, Inc

    \version    1.0   Anuj Aggarwal         - Created

 */

#ifndef _PROS_EDMA3_RM_SAMPLE_H_
#define _PROS_EDMA3_RM_SAMPLE_H_


#include <ti/sdo/edma3/rm/edma3_rm.h>

#ifdef __cplusplus
extern "C" {
#endif

/* To enable debug traces in the EDMA3 sample app */
#define EDMA3_DEBUG_PRINT

#ifdef EDMA3_DEBUG_PRINT
#include <stdio.h>
#define EDMA3_DEBUG_PRINTF           printf
#endif /* EDMA3_DEBUG_PRINT */





/**
 * \brief Semaphore Types
 *
 * Enums for different semaphore types
 */
typedef enum
{
  EDMA3_OS_SEMTYPE_FIFO         = 0,
  EDMA3_OS_SEMTYPE_PRIORITY     = 1
} EDMA3_OS_SemType;


/**
 * \brief Semaphore Attributes Data Structure
 *
 * Data structure for Semaphore Attributes
 */

typedef struct
{
  EDMA3_OS_SemType      sematr;		/**< Semaphore Attribute */
  unsigned int			isemcnt;	/**< Semaphore Count */
  unsigned int			maxsem;		/**< Max Semaphore */
}EDMA3_OS_SemAttrs;





/**
 * \brief SoC specific TC related information. Specified in the sample
 * configuration file (bios_edma3_sample_cfg.c).
 */
extern unsigned int numEdma3Tc;
extern unsigned int ccXferCompInt;
extern unsigned int ccErrorInt;
extern unsigned int tcErrorInt[8];




EDMA3_RM_Result edma3init();
EDMA3_RM_Result edma3deinit();


/**
 * Counting Semaphore related functions (OS dependent) should be
 * called/implemented by the application. A handle to the semaphore
 * is required while opening the driver/resource manager instance.
 */

/**
 * \brief   EDMA3 OS Semaphore Create
 *
 *      This function creates a counting semaphore with specified
 *      attributes and initial value. It should be used to create a semaphore
 *      with initial value as '1'. The semaphore is then passed by the user
 *      to the EDMA3 RM for proper sharing of resources.
 * \param   initVal [IN] is initial value for semaphore
 * \param   attrs [IN] is the semaphore attributes ex: Fifo type
 * \param   hSem [OUT] is location to recieve the handle to just created
 *      semaphore
 * \return  EDMA3_RM_SOK if succesful, else a suitable error code.
 */
EDMA3_RM_Result edma3OsSemCreate(int initVal,
                           const EDMA3_OS_SemAttrs *attrs,
                           EDMA3_OS_Sem_Handle *hSem);



/**
 * \brief   EDMA3 OS Semaphore Delete
 *
 *      This function deletes or removes the specified semaphore
 *      from the system. Associated dynamically allocated memory
 *      if any is also freed up.
 * \warning OsSEM services run in client context and not in a thread
 *      of their own. If there exist threads pended on a semaphore
 *      that is being deleted, results are undefined.
 * \param   hSem [IN] handle to the semaphore to be deleted
 * \return  EDMA3_RM_SOK if succesful else a suitable error code
 */
EDMA3_RM_Result edma3OsSemDelete(EDMA3_OS_Sem_Handle hSem);

#ifdef __cplusplus
}
#endif /* extern "C" */

#endif