db_talk.c

在ARM7和UC/OSII的平台上实现了GPS自动报站的功能,涉及GPS模块LEA_4S的驱动,位置速寻算法,语音芯片ISD4004的录放音驱动,LED页面管理等等.从启动代码到操作系统的移植以及到业

/****************************************************************
**                                                              *
**  FILE         :  DB_TALK.C                                   *
**  COPYRIGHT    :  (c) 2001 .Xiamen Yaxon NetWork CO.LTD       *
**                                                              *
**                                                              *
**  By : CCH 2002.1.15                                          *
****************************************************************/
#include "includes.h"
#include "tools.h"
#include "database.h"
#include "record.h"
#include "db_talk.h"

#if EN_HANDSET > 0



/*
********************************************************************************
*                  DEFINE TALK RECORD FIELD
********************************************************************************
*/
#define FIELD_TEL                           0
#define FIELD_TALKTIME                      1
#define FIELD_DATE                          2
#define FIELD_TIME                          3


/*
********************************************************************************
*                  DEFINE DB_TALK FIELDS
********************************************************************************
*/
static FIELD_STRUCT fields[] = { {0,                 TALKREC_SIZE_TEL},             /* field: tel */
                                 {FIELD_FIXED,       2},                            /* field: talktime */
                                 {FIELD_FIXED,       TALKREC_SIZE_DATE},            /* field: date */
                                 {FIELD_FIXED,       TALKREC_SIZE_TIME}             /* field: time */
                               };

static INT8U  nsector;
static INT16U offset;



static BOOLEAN GetDBPara(INT8U talktype)
{
    switch (talktype)
    {
        case TALK_DIAL:
            nsector = DB_TALK_DIAL_SECTOR;
            offset  = DB_TALK_DIAL_OFFSET;
            return TRUE;
        case TALK_RECV:
            nsector = DB_TALK_RECV_SECTOR;
            offset  = DB_TALK_RECV_OFFSET;
            return TRUE;
        case TALK_MISS:
            nsector = DB_TALK_MISS_SECTOR;
            offset  = DB_TALK_MISS_OFFSET;
            return TRUE;
        default:
            return FALSE;
    }
}

void InitDB_Talk(void)
{
    if (!DB_IsValid(DB_TALK_DIAL)) {
        DB_Init(DB_TALK_DIAL, FALSE, sizeof(fields)/sizeof(FIELD_STRUCT), fields, MAX_TALKREC, 0, 0);
    }
    if (!DB_IsValid(DB_TALK_RECV)) {
        DB_Init(DB_TALK_RECV, FALSE, sizeof(fields)/sizeof(FIELD_STRUCT), fields, MAX_TALKREC, 0, 0);
    }
    if (!DB_IsValid(DB_TALK_MISS)) {
        DB_Init(DB_TALK_MISS, FALSE, sizeof(fields)/sizeof(FIELD_STRUCT), fields, MAX_TALKREC, 0, 0);
    }
}

void AddTalkRecord(INT8U talktype, TALKREC_STRUCT *talkrec)
{
    INT16S numrec;
    
    if (GetDBPara(talktype)) {
        if ((numrec = DB_FindRec(nsector, offset, 0, FIELD_TEL, talkrec->tellen, talkrec->tel)) != -1)
            DB_DelRec(nsector, offset, numrec);
        if (!DB_AddRec(nsector, offset, TRUE, (INT8U *)talkrec)) 
            DB_Del(nsector, offset);
    }
}

void DelTalkRecord(INT8U talktype, INT16U numrec)
{
    if (GetDBPara(talktype))
        DB_DelRec(nsector, offset, numrec);
}

void DelAllTalkRecord(INT8U talktype)
{
    if (GetDBPara(talktype))
        DB_Init(nsector, offset, FALSE, sizeof(fields)/sizeof(FIELD_STRUCT), fields, MAX_TALKREC, 0, 0);
}

INT16U GetTalkRecord(INT8U talktype, INT16U numrec, TALKREC_STRUCT *recptr)
{
    if (GetDBPara(talktype)) {
        return DB_GetRec(nsector, offset, numrec, (INT8U *)recptr);
    } else {
        return 0;
    }
}

INT16U GetNumTalkRecord(INT8U talktype)
{
    if (GetDBPara(talktype)) 
        return DB_GetItem(nsector, offset);
    else
        return 0;
}
#endif