gpmenu.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

/*
******************************************************************
*                  XIAMEN YAXON NETWORK CO.LTD.  
*                   XINXI BUILDING,HULI,XIAMEN
*      (c) Copyright 2002,XIAMEN YAXON NETWORK CO.LTD. ,XIAMEN
*                     All Rights Reserved
*
* FileName     :  GPMENU.C
* Programmer(s):  WuJingYu
* Description  : 
******************************************************************
*/

/*
*****************************************************************
*                  REVISION HISTORY
*                 
* Date:    2002-10-23
*****************************************************************
*/ 
#define GPMENU_GLOBALS 

#include  "includes.h"
#include  "Lcd.h"
//#include  "InField.h"

static  INT8U  NumLine,NumColumn;
//static  INT8U  lock;
void GetGpMenuPara(GPMENU *gpmenu)
{ 
      NumLine = gpmenu->gpout->numrow;
      NumColumn = gpmenu->gpout->numcol;
}

void ReverseSelMenuItem(GPMENU *gpmenu,BOOLEAN updatelcd)
{
     ReverseGpOut(gpmenu->currow,gpmenu->curcol);
     if (updatelcd) {
        UpdateGpOut_PartLcd(gpmenu->currow,gpmenu->curcol);
     }   
}

void GpMenuSelectProc(GPMENU *gpmenu)
{
    void (*selfunc)(void*);
    
    INT8U i;
    GetGpMenuPara(gpmenu);
    i = gpmenu->currow * NumColumn + gpmenu->curcol;
    if (i > gpmenu->menucnt) return;
    selfunc = gpmenu->gpmenuitem[i].selfunc;
    if (selfunc != NULL) {
       (*selfunc)((void*)&i);
    }    
     
}    

void GpMenuExecProc(GPMENU *gpmenu)//将菜单按键的exec按序号排列,根据序号i来判断执行哪个exec
{
    void (*execfunc)(void);
    
    INT8U i;
    GetGpMenuPara(gpmenu);
    i = gpmenu->currow * NumColumn + gpmenu->curcol;
    if (i > gpmenu->menucnt) return;
    execfunc = gpmenu->gpmenuitem[i].execfunc;
    if (execfunc != NULL) {
       (*execfunc)();
    }    
}

void ShowGpMenuData(GPMENU *gpmenu,BOOLEAN updatelcd)
{
     INT8U i,j;
     
     LockGpOut(gpmenu->gpout);
     GetGpMenuPara(gpmenu);
     
     for (i=0;i<NumLine;i++) {
        for (j=0;j<NumColumn;j++) {
           //Print_Gpdata(i,j,gpmenu->gpmenuitem[i*NumColumn + j].gpdata);
            Print_Gpdata_ROM(i,j,gpmenu->gpmenuitem[i*NumColumn + j].gpdata);
        }
    }
    if (updatelcd) UpdateGpOut_LCD();
}

void GotoNextGpItem(GPMENU *gpmenu)    
{
     INT8U currow,curcol;  
     
     LockGpOut(gpmenu->gpout);
     GetGpMenuPara(gpmenu);
     currow = gpmenu->currow;
     curcol = gpmenu->curcol;
     ReverseSelMenuItem(gpmenu,1);
     
     if (curcol < NumColumn-1) {
        curcol++;
     } else {
        curcol = 0;
        if (currow < NumLine - 1) {
           currow++;
        } else {
           currow = 0;
        }        
     }
     gpmenu->curcol = curcol;
     gpmenu->currow = currow;
     GpMenuSelectProc(gpmenu);
     ReverseSelMenuItem(gpmenu,1);
     //UpdateOutBox_LCD();
     //UnLockGpOut(gpmenu->gpout);
}
    
void GotoPrevGpItem(GPMENU *gpmenu)
{
     INT8U currow,curcol;  
     
     LockGpOut(gpmenu->gpout);
     GetGpMenuPara(gpmenu);
     currow = gpmenu->currow;
     curcol = gpmenu->curcol;
     ReverseSelMenuItem(gpmenu,1);
     
     if (curcol != 0) 
     {
        curcol--;
     } 
     else 
     {
        curcol = NumColumn - 1;
        if (currow != 0) 
        {
           currow--;
        } 
        else 
        {
           currow = NumLine - 1;
        }        
     }
     gpmenu->curcol = curcol;
     gpmenu->currow = currow;
     GpMenuSelectProc(gpmenu);
     ReverseSelMenuItem(gpmenu,1);
     //UpdateOutBox_LCD();
     //UnLockGpOut(gpmenu->gpout);
}
    
   
void UnIndicateGpMenu(GPMENU *gpmenu)
{
     LockGpOut(gpmenu->gpout);
     GetGpMenuPara(gpmenu);
     ReverseSelMenuItem(gpmenu,1);
     //UnLockGpOut(gpmenu->gpout);
}
    
void IndicateGpMenu(GPMENU *gpmenu)
{ 
     UnIndicateGpMenu(gpmenu);
     GpMenuSelectProc(gpmenu);
     
}    

void InitGpMenu(GPMENU *gpmenu)
{
     void (*initfunc)(void);
     gpmenu->currow = 0;
     gpmenu->curcol = 0;
     initfunc = gpmenu->initfunc;
     if (initfunc !=NULL) {
        (*initfunc)();
     }   
     
}

void CreateGpMenu(GPMENU *gpmenu)
{
     ShowGpMenuData(gpmenu,0);
     GrawGpOutBorder();
}
    
void DestroyGpMenu(GPMENU *gpmenu) 
{
     gpmenu->currow  = 0;
     gpmenu->curcol  = 0;
     gpmenu->menucnt = 0;
}        

void ClearGpMenu(GPMENU *gpmenu)
{
     gpmenu = gpmenu;
}

INT8U GetGpMenuSelItem(GPMENU *gpmenu)
{
     if (gpmenu->menucnt == 0) {
        return 0xFF;
     } else {
        return gpmenu->gpout->numcol * gpmenu->currow + gpmenu->curcol;
     }
}    

BOOLEAN GpMenu_HdlKey(GPMENU *gpmenu)	

{
     INT8U key;
     
     key = GetCurLcdKey();
     switch (key) 
     {
        case KEY_UP :
	    GotoPrevGpItem(gpmenu);
	    return TRUE;
        case KEY_DOWN:
	   
           GotoNextGpItem(gpmenu);
           return TRUE;

        case KEY_ACK:
           GpMenuExecProc(gpmenu);
           return TRUE;
        
        default:
         return FALSE;
     }                           
                           
}    


INT8U AddGpMenuItem(GPMENU *gpmenu,GPITEM *item)
{    
     INT8U menucnt;
     
     menucnt = gpmenu->menucnt;
     gpmenu->gpmenuitem[menucnt].gpdata = item->gpdata;
     gpmenu->gpmenuitem[menucnt].selfunc = item->selfunc;
     gpmenu->gpmenuitem[menucnt].execfunc = item->execfunc;
     menucnt++;
     gpmenu->menucnt = menucnt;
     return menucnt;
}