//更新某一个
//x,y:坐标
//size:字体大小
//fxpath:路径
//fx:更新的内容 0,ungbk;1,gbk12;2,gbk16;3,gbk24;
//返回值:0,成功;其他,失败.
u8 updata_fontx(u16 x,u16 y,u8 size,u8 *fxpath,u8 fx)
{
u32 flashaddr=0;
FIL * fftemp;
u8 *tempbuf;
u8 res;
u16 bread;
u32 offx=0;
u8 rval=0;
fftemp=(FIL*)mymalloc(SRAMIN,sizeof(FIL)); //分配内存
if(fftemp==NULL)rval=1;
tempbuf=mymalloc(SRAMIN,4096); //分配4096个字节空间
if(tempbuf==NULL)rval=1;
res=f_open(fftemp,(const TCHAR*)fxpath,FA_READ);
if(res)rval=2;//打开文件失败
if(rval==0)
{
switch(fx)
{
case 0: //更新UNIGBK.BIN
ftinfo.ugbkaddr=FONTINFOADDR+sizeof(ftinfo); //信息头之后，紧跟UNIGBK转换码表
ftinfo.ugbksize=fftemp->fsize; //UNIGBK大小
flashaddr=ftinfo.ugbkaddr;
break;
case 1:
ftinfo.f12addr=ftinfo.ugbkaddr+ftinfo.ugbksize; //UNIGBK之后，紧跟GBK12字库
ftinfo.gbk12size=fftemp->fsize; //GBK12字库大小
flashaddr=ftinfo.f12addr; //GBK12的起始地址
break;
case 2:
ftinfo.f16addr=ftinfo.f12addr+ftinfo.gbk12size; //GBK12之后，紧跟GBK16字库
ftinfo.gbk16size=fftemp->fsize; //GBK16字库大小
flashaddr=ftinfo.f16addr; //GBK16的起始地址
break;
case 3:
ftinfo.f24addr=ftinfo.f16addr+ftinfo.gbk16size; //GBK16之后，紧跟GBK24字库
ftinfo.gkb24size=fftemp->fsize; //GBK24字库大小
flashaddr=ftinfo.f24addr; //GBK24的起始地址
break;
}
while(res==FR_OK)//死循环执行
{
res=f_read(fftemp,tempbuf,4096,(UINT *)&bread); //读取数据
if(res!=FR_OK)break; //执行错误
W25QXX_Write(tempbuf,offx+flashaddr,4096); //从0开始写入4096个数据
offx+=bread;
fupd_prog(x,y,size,fftemp->fsize,offx); //进度显示
if(bread!=4096)break; //读完了.
}
f_close(fftemp);
}
myfree(SRAMIN,fftemp); //释放内存
myfree(SRAMIN,tempbuf); //释放内存
return res;
}
DRESULT disk_write (
BYTE pdrv, /* Physical drive nmuber (0..) */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Sector address (LBA) */
UINT count /* Number of sectors to write (1..128) */
)
{
u8 res=0;
if (!count)return RES_PARERR;
switch(pdrv)
{
#ifdef USE_SD_CARD
case SD_CARD:
res=SD_WriteDisk((u8*)buff,sector,count);
while(res)
{
SD_Init();
res=SD_WriteDisk((u8*)buff,sector,count);
//printf("sd wr error:%d\r\n",res);
}
break;
#endif
case EX_FLASH:
for(;count>0;count--)
{
W25QXX_Write((u8*)buff,sector*FLASH_SECTOR_SIZE,FLASH_SECTOR_SIZE);
sector++;
buff+=FLASH_SECTOR_SIZE;
}
res=0;
break;
case USB_DISK:
res=USBH_UDISK_Write((u8*)buff,sector,count);
break;
default:
res=1;
}
if(res == 0x00)return RES_OK;
else return RES_ERROR;
}
DRESULT disk_write (
BYTE pdrv, /* Physical drive nmuber (0..) */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Sector address (LBA) */
UINT count /* Number of sectors to write (1..128) */
)
{
u8 res=0;
if (!count)return RES_PARERR;//count不能等于0，否则返回参数错误
switch(pdrv)
{
case SD_CARD://SD卡
res=SD_WriteDisk((u8*)buff,sector,count);
while(res)//写出错
{
SD_Init(); //重新初始化SD卡
res=SD_WriteDisk((u8*)buff,sector,count);
//printf("sd wr error:%d\r\n",res);
}
break;
#if SPIFlash
case EX_FLASH://外部flash
for(;count>0;count--)
{
W25QXX_Write((u8*)buff,sector*FLASH_SECTOR_SIZE,FLASH_SECTOR_SIZE);
sector++;
buff+=FLASH_SECTOR_SIZE;
}
res=0;
break;
#endif
default:
res=1;
}
//处理返回值，将SPI_SD_driver.c的返回值转成ff.c的返回值
if(res == 0x00)return RES_OK;
else return RES_ERROR;
}
//更新字体文件,UNIGBK,GBK12,GBK16,GBK24一起更新
//x,y:提示信息的显示地址
//size:字体大小
//src:字库来源磁盘."0:",SD卡;"1:",FLASH盘,"2:",U盘.
//提示信息字体大小
//返回值:0,更新成功;
// 其他,错误代码.
u8 update_font(u16 x,u16 y,u8 size,u8* src)
{
u8 *pname;
u32 *buf;
u8 res=0;
u16 i,j;
FIL *fftemp;
u8 rval=0;
res=0XFF;
ftinfo.fontok=0XFF;
pname=mymalloc(SRAMIN,100); //申请100字节内存
buf=mymalloc(SRAMIN,4096); //申请4K字节内存
fftemp=(FIL*)mymalloc(SRAMIN,sizeof(FIL)); //分配内存
if(buf==NULL||pname==NULL||fftemp==NULL)
{
myfree(SRAMIN,fftemp);
myfree(SRAMIN,pname);
myfree(SRAMIN,buf);
return 5; //内存申请失败
}
//先查找文件是否正常
strcpy((char*)pname,(char*)src); //copy src内容到pname
strcat((char*)pname,(char*)UNIGBK_PATH);
res=f_open(fftemp,(const TCHAR*)pname,FA_READ);
if(res)rval|=1<<4;//打开文件失败
strcpy((char*)pname,(char*)src); //copy src内容到pname
strcat((char*)pname,(char*)GBK12_PATH);
res=f_open(fftemp,(const TCHAR*)pname,FA_READ);
if(res)rval|=1<<5;//打开文件失败
strcpy((char*)pname,(char*)src); //copy src内容到pname
strcat((char*)pname,(char*)GBK16_PATH);
res=f_open(fftemp,(const TCHAR*)pname,FA_READ);
if(res)rval|=1<<6;//打开文件失败
strcpy((char*)pname,(char*)src); //copy src内容到pname
strcat((char*)pname,(char*)GBK24_PATH);
res=f_open(fftemp,(const TCHAR*)pname,FA_READ);
if(res)rval|=1<<7;//打开文件失败
myfree(SRAMIN,fftemp);//释放内存
if(rval==0)//字库文件都存在.
{
//LCD_ShowString(x,y,240,320,size,"Erasing sectors... ");//提示正在擦除扇区
for(i=0;i<FONTSECSIZE;i++) //先擦除字库区域,提高写入速度
{
fupd_prog(x+20*size/2,y,size,FONTSECSIZE,i);//进度显示
W25QXX_Read((u8*)buf,((FONTINFOADDR/4096)+i)*4096,4096);//读出整个扇区的内容
for(j=0;j<1024;j++)//校验数据
{
if(buf[j]!=0XFFFFFFFF)break;//需要擦除
}
if(j!=1024)W25QXX_Erase_Sector((FONTINFOADDR/4096)+i); //需要擦除的扇区
}
myfree(SRAMIN,buf);
//LCD_ShowString(x,y,240,320,size,"Updating UNIGBK.BIN");
strcpy((char*)pname,(char*)src); //copy src内容到pname
strcat((char*)pname,(char*)UNIGBK_PATH);
res=updata_fontx(x+20*size/2,y,size,pname,0); //更新UNIGBK.BIN
if(res){myfree(SRAMIN,pname);return 1;}
//LCD_ShowString(x,y,240,320,size,"Updating GBK12.BIN ");
strcpy((char*)pname,(char*)src); //copy src内容到pname
strcat((char*)pname,(char*)GBK12_PATH);
res=updata_fontx(x+20*size/2,y,size,pname,1); //更新GBK12.FON
if(res){myfree(SRAMIN,pname);return 2;}
//LCD_ShowString(x,y,240,320,size,"Updating GBK16.BIN ");
strcpy((char*)pname,(char*)src); //copy src内容到pname
strcat((char*)pname,(char*)GBK16_PATH);
res=updata_fontx(x+20*size/2,y,size,pname,2); //更新GBK16.FON
if(res){myfree(SRAMIN,pname);return 3;}
//LCD_ShowString(x,y,240,320,size,"Updating GBK24.BIN ");
strcpy((char*)pname,(char*)src); //copy src内容到pname
strcat((char*)pname,(char*)GBK24_PATH);
res=updata_fontx(x+20*size/2,y,size,pname,3); //更新GBK24.FON
if(res){myfree(SRAMIN,pname);return 4;}
//全部更新好了
ftinfo.fontok=0XAA;
W25QXX_Write((u8*)&ftinfo,FONTINFOADDR,sizeof(ftinfo)); //保存字库信息
}
myfree(SRAMIN,pname);//释放内存
myfree(SRAMIN,buf);
return rval;//无错误.
}
