void Util_GBK2Unicode(u8 *src,u8 *dst)
{
OS_CPU_SR cpu_sr = 0;
u16 temp;
u8 buf[2];
OS_ENTER_CRITICAL();// 进入临界区(无法被中断打断)
while(*src!=0)
{
if(*src<0X81) // 非汉字
{
temp=(u16)ff_convert((WCHAR)*src,1);
src++;
}
else // 汉字,占2个字节
{
buf[1]=*src++;
buf[0]=*src++;
temp=(u16)ff_convert((WCHAR)*(u16*)buf,1);
}
*dst++=Util_Hex2Chr((temp>>12)&0X0F);
*dst++=Util_Hex2Chr((temp>>8)&0X0F);
*dst++=Util_Hex2Chr((temp>>4)&0X0F);
*dst++=Util_Hex2Chr(temp&0X0F);
}
*dst = 0;// 添加结束符
OS_EXIT_CRITICAL(); // 退出临界区(可以被中断打断)
}
static void gbk_to_unicode(rt_uint16_t *unicode, const unsigned char *text, int len)
{
int i;
unsigned short wch;
extern unsigned short ff_convert(unsigned short wch, int direction);
for (i = 0; i < len; )
{
if (*text < 0x80)
{
wch = *text;
*unicode = ff_convert(wch, 1);
text ++;
i ++;
}
else
{
wch = wch = *(text + 1) | (*text << 8);
*unicode = ff_convert(wch, 1);
text += 2;
i += 2;
}
unicode ++;
}
*unicode = '\0';
}
void Util_Unicode2GBK(u8 *src, u8 *dst)
{
OS_CPU_SR cpu_sr = 0;
u16 temp;
u8 buf[2];
OS_ENTER_CRITICAL();//进入临界区(无法被中断打断)
while(*src!=0)
{
buf[1]=Util_Chr2Hex(*src++)*16;
buf[1]+=Util_Chr2Hex(*src++);
buf[0]=Util_Chr2Hex(*src++)*16;
buf[0]+=Util_Chr2Hex(*src++);
temp=(u16)ff_convert((WCHAR)*(u16*)buf,0);
if(temp<0X80){*dst=temp;dst++;}
else {*(u16*)dst=SWAP16(temp);dst+=2;}
}
*dst = 0;//添加结束符
OS_EXIT_CRITICAL(); // 退出临界区(可以被中断打断)
}
