/****************************************************************************
  DHL_OSAL_Impl.c - private header
	  



****************************************************************************/


#ifndef __DHL_OSAL_IMPL_H__
#define __DHL_OSAL_IMPL_H__

#ifdef _cplusplus
extern "C" {
#endif

#include "bos.h"
#include "ucos_ii.h"
#include "ministd.h"
#include "string.h"
//#include "libc.h"
#include "bkni.h"

/* platform dependent settings */
typedef UINT32 os_task_id;
typedef void *os_semaphore_id;
typedef void *os_messagequeue_id;
typedef void (*os_taskfunction)(void *);


/**
	SemaphoreÀÇ option.

	°¢Á¾ CreateXXXSemaphoreÀÇ optionÀ¸·Î »ç¿ëµÈ´Ù.
	ÀϹÝÀûÀ¸·Î´Â priority ¹æ½ÄÀ¸·Î »ç¿ëÇÏ¸é µÈ´Ù.
	--> uCOS-II¿¡¼­´Â µ¿ÀÏÇÑ priority¸¦ °¡Áø task´Â ¾øÀ½. »ç¿ëÇÏÁö ¾Ê´Â ¿É¼Ç
*/
enum {
	OS_SEM_PRIO=0x0, ///< ´ë±âÁßÀÎ taskÁß¿¡¼­ highest priority task°¡ ¸ÕÀú ±ú¾î³². 
	OS_SEM_FIFO=0x1, ///< ¸Ç ¸ÕÀú suspend µÈ task°¡ ¸ÕÀú ±ú¾î³²
};


#ifdef BCM_DEBUG
	// because we use broadcom heap debug function,
	// OSAL heap code depends on broadcom make flag.
	#define OSAL_HEAP_DEBUG 1
#endif


typedef struct 
{
	UINT32 size_heap; // size of entire heap
	
	UINT32 num_alloc_chunk; // number of alloc chunk
	UINT32 size_alloc;       // total byte size alloc chunk

	UINT32 num_free_chunk;  // number of free chunk
	UINT32 size_free;        // total byte size free chunk
	
} dhl_heap_status;


#if OSAL_HEAP_DEBUG // heap debugging

	void *os_dbg_malloc(int size, char *file, int line);
	void *os_dbg_calloc(int n, int m, char *file, int line);
	void os_dbg_free(void *ptr, char *file, int line);

	// we need file/line info of the caller.
	#define OS_Malloc(n) os_dbg_malloc((n), __FILE__, __LINE__)
	#define OS_Calloc(n,m) os_dbg_calloc((n),(m), __FILE__, __LINE__)
	#define OS_Free(p) os_dbg_free((p), __FILE__, __LINE__)
	
#else
	// this is normal function.
	void *OS_Malloc(int size);
	void *OS_Calloc(int n, int m);
	void  OS_Free(void *pp);
	void OS_FreeDirect(void *ptr);
#endif

void os_heap_status(dhl_heap_status *pstat);



int osi_dbgprint(char *fmt, ...);

UINT32 osi_gettickcount();
UINT32 osi_gettickspersecond();
void osi_delay(UINT32 millisec);

BOOL osi_in_interrupt(void);

UINT32 osi_disableint();
void osi_enableint(UINT32 mask);

BOOL osi_in_tasklock(void);

UINT32 osi_locktask();
void osi_unlocktask(UINT32 mask);
char *osi_taskname(os_task_id tid);
int osi_taskpriority();
os_task_id osi_taskid();
os_task_id osi_taskidfromname(char *tname);
void osi_changetaskpriority(os_task_id tid, UINT32 newPrio, UINT32 *oldPrioPtr);
void osi_deletetask(os_task_id tid);
void osi_selfdeletetask(void);

os_task_id osi_spawntask(os_taskfunction func, const char *name, int priority, UINT32 stackSize,
                         UINT32 arg1);


int osi_takesemaphore(os_semaphore_id sid);
int osi_takesemaphore_wait(os_semaphore_id sid, int ticks);
int osi_takesemaphore_nowait(os_semaphore_id sid);
int osi_givesemaphore(os_semaphore_id sid);
int osi_flushsemaphore(os_semaphore_id sid);
void osi_deletesemaphore(os_semaphore_id sid);
int osi_takemutexsemaphore_wait(os_semaphore_id sid, int ticks);
void osi_givemutexsemaphore(os_semaphore_id sid);
void osi_deletemutexsemaphore(os_semaphore_id sid);	
os_semaphore_id osi_createcountingsemaphore(const char *name, UINT32 options, UINT32 count);
os_semaphore_id osi_createbinarysemaphore(const char *name, UINT32 options, BOOL flag);
os_semaphore_id osi_createmutexsemaphore(const char *name);

int osi_free_reuse_sem_count(void);
os_semaphore_id osi_create_reuse_semaphore(char *name, int count);
void osi_delete_reuse_semaphore(os_semaphore_id sid);


void osi_deletemessagequeue(os_messagequeue_id qid);
os_messagequeue_id osi_createmessagequeue(const char *name, UINT32 options, 
                      UINT32 maxMessages, UINT32 maxMessageLength);
int	osi_sendmessage(os_messagequeue_id qid, void *buffer, int nBytes);
int osi_receivemessage(os_messagequeue_id qid, void *msgBuf);
int osi_receivemessage_wait(os_messagequeue_id qid, void *msgBuf, int ticks);
int osi_receivemessage_nowait(os_messagequeue_id qid, void *msgBuf);


void osi_show_taskinfo(int level);


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



#endif /* __DHL_OSAL_IMPL_H__ */

/* end of file */