文件系统cc936大数组移植

zn5568 · 发表于 2016-7-23 17:22:02

本帖最后由 zn5568 于 2016-7-23 17:36 编辑

本人使用战舰mini板，由于内存有限，所以想把cc936里面的大数组保存到别处，在查了资料以后有一种解决方案是把G to U 和U to G码表以sys文件形式放在sd卡根目录，然后改写程序。/************************************************************************************************************* unicode_gbk.c
*************************************************************************************************************/
#include "sys.h"
#include "unicode_gbk.h"
#include "usart.h"

#define GBK_UNICODE_IS_SDCARD 1 //GBK,UNICODE±àÂë±íÔúSD¿¨»òÆäËü′æ′￠Æ÷ÖD

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//Âë±íÔúSD¿¨ÖD
#if GBK_UNICODE_IS_SDCARD

#include "ff.h"
#define GtoU "0:/GtoU.sys"    //GBK ×a UCICODE ±àÂë±íÎ»ÖÃ
#define UtoG "0:/UtoG.sys"    //UCICODE ×a GBK ±àÂë±íÎ»ÖÃ

static  FIL GtoU_File;          //GtoU ÎÄ¼t1¤×÷Çø
static  FIL UtoG_File;          //UtoG ÎÄ¼t1¤×÷Çø

/*************************************************************************************************************************
* oˉêy : u8 GBK_UNICODE_Init(void)
* 1|Äü : 3õê¼»ˉGBK,UNICODE±àÂë±í
* 2Îêy : ÎT
* ·μ»Ø : 0:3õê¼»ˉ3é1|;ÆäËü:3õê¼»ˉê§°ü
* òààμ : μ×2ã¶áD′oˉêy
* ×÷Õß : cp1300@139.com
* ê±¼ä : 2013-04-18
* ×îoóDT¸Äê±¼ä : 2013-04-18
* ËμÃ÷ : ÎT
*************************************************************************************************************************/
u8 GBK_UNICODE_Init(void)
{
FRESULT status;

status = f_open(&UtoG_File, UtoG, FA_OPEN_EXISTING | FA_READ);  //òÔÖ»¶á·½ê½′ò¿aUNICODEtoGBKÂë±í,′ò¿aê§°ü·μ»Ø′íÎó
if(status != FR_OK) //′ò¿aê§°ü
{
      printf("open %s error (%d)!\r\n",UtoG, status);
      return 1;
}

status = f_open(&GtoU_File, GtoU, FA_OPEN_EXISTING | FA_READ);  //òÔÖ»¶á·½ê½′ò¿aGBKtoUNICODEÂë±í,′ò¿aê§°ü·μ»Ø′íÎó
if(status != FR_OK) //′ò¿aê§°ü
{
      printf("open %s error (%d)!\r\n",GtoU, status);
      return 1;
}

return 0;
}

/*************************************************************************************************************************
* oˉêy : u16 OneGBKtoUNICODE(u16 GBKCode)
* 1|Äü : ½«GBK±àÂë×a»»Îaunicode±àÂë
* 2Îêy : GBK
* ·μ»Ø : unicode
* òààμ : μ×2ã¶áD′oˉêy
* ×÷Õß : cp1300@139.com
* ê±¼ä : 20120602
* ×îoóDT¸Äê±¼ä : 20120602
* ËμÃ÷ : DèòaflashÖDμÄÂë±íÖ§3Ö
         GBKÂë·¶Î§,¸ß8Î»:0x81~0xfe;μí8Î»:0x40~0xfe
*************************************************************************************************************************/
u16 OneGBKtoUNICODE(u16 GBKCode)
{
u8 ch,cl;
UINT bw;
u16 data;

ch = GBKCode >> 8;
cl = GBKCode & 0x00ff;

ch -= 0x81;
cl -= 0x40;

f_lseek(&GtoU_File, (ch*0xbf+cl)*2);                      //ÎÄ¼tÖ¸Õëμ÷μ½Æ«òÆÎ»ÖÃ
if(f_read(&GtoU_File, (u8 *)&data, 2, &bw) != FR_OK)       //¶áè¡2×Ö½ú
{
   return 0x1fff;
}

return (ch<=0x7d && cl<=0xbe) ? data : 0x1fff;

/* ch = GBKCode >> 8;
cl = GBKCode & 0x00ff;

ch -= 0x81;
cl -= 0x40;
return (ch<=0x7d && cl<=0xbe) ? wUnicodes[ch*0xbf+cl] : 0x1fff;    */

}

/*************************************************************************************************************************
* oˉêy : u16 OneUNICODEtoGBK(u16 unicode)
* 1|Äü : ½«unicode±àÂë×a»»ÎaGBK±àÂë
* 2Îêy : unicode
* ·μ»Ø : GBK
* òààμ : μ×2ã¶áD′oˉêy
* ×÷Õß : cp1300@139.com
* ê±¼ä : 20120602
* ×îoóDT¸Äê±¼ä : 20120602
* ËμÃ÷ : DèòaflashÖDμÄÂë±íÖ§3Ö
         GBKÂë·¶Î§,¸ß8Î»:0x81~0xfe;μí8Î»:0x40~0xfe
*************************************************************************************************************************/
u16 OneUNICODEtoGBK(u16 unicode)  //óÃ¶t·Ö2éÕòËã·¨
{
u32 offset;
u16 temp;
UINT bw;
u8 buff[2];

if(unicode<=0X9FA5)
{
      if(unicode>=0X4E00)
         offset=unicode-0X4E00;//0x1b87    //0X4E00,oo×ÖÆ«òÆÆeμã
      else
         return 0x2020;    //2»ÄüÏÔê¾μÄ×Ö·û¾í¸øá½¸ö¿Õ¸ñìî3ä,·ñÔòÂòÂë
}
else if(unicode>0X9FA5)//êÇ±êμã·ûoÅ
{
      if(unicode<0XFF01||unicode>0XFF61)
         return 0x2020;//Ã»óD¶Ôó|±àÂë  //2»ÄüÏÔê¾μÄ×Ö·û¾í¸øá½¸ö¿Õ¸ñìî3ä,·ñÔòÂòÂë
      offset=unicode-0XFF01+0X9FA6-0X4E00;
}
offset *= 2;

f_lseek(&UtoG_File, offset);                      //ÎÄ¼tÖ¸Õëμ÷μ½Æ«òÆÎ»ÖÃ
if(f_read(&UtoG_File, buff, 2, &bw) != FR_OK) //¶áè¡2×Ö½ú
{
   return 0x2020;
}

temp = buff[0];
temp <<= 8;
temp += buff[1];
return temp; //·μ»ØÕòμ½μÄ±àÂë
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#else                            //Âë±íÖ±½óÔú′úÂëÖD
#include "unicode_gbk_code.h"

/*************************************************************************************************************************
* oˉêy : u8 GBK_UNICODE_Init(void)
* 1|Äü : 3õê¼»ˉGBK,UNICODE±àÂë±í
* 2Îêy : ÎT
* ·μ»Ø : 0:3õê¼»ˉ3é1|;ÆäËü:3õê¼»ˉê§°ü
* òààμ : μ×2ã¶áD′oˉêy
* ×÷Õß : cp1300@139.com
* ê±¼ä : 2013-04-18
* ×îoóDT¸Äê±¼ä : 2013-04-18
* ËμÃ÷ : ÎT
*************************************************************************************************************************/
u8 GBK_UNICODE_Init(void)
{
return 0;
}

/*************************************************************************************************************************
* oˉêy : u16 OneGBKtoUNICODE(u16 GBKCode)
* 1|Äü : ½«GBK±àÂë×a»»Îaunicode±àÂë
* 2Îêy : GBK
* ·μ»Ø : unicode
* òààμ : μ×2ã¶áD′oˉêy
* ×÷Õß : cp1300@139.com
* ê±¼ä : 20120602
* ×îoóDT¸Äê±¼ä : 20120602
* ËμÃ÷ : DèòaflashÖDμÄÂë±íÖ§3Ö
         GBKÂë·¶Î§,¸ß8Î»:0x81~0xfe;μí8Î»:0x40~0xfe
*************************************************************************************************************************/
u16 OneGBKtoUNICODE(u16 GBKCode)
{
u8 ch,cl;

ch = GBKCode >> 8;
cl = GBKCode & 0x00ff;

ch -= 0x81;
cl -= 0x40;
return (ch<=0x7d && cl<=0xbe) ? wUnicodes[ch*0xbf+cl] : 0x1fff;

}

/*************************************************************************************************************************
* oˉêy : u16 OneUNICODEtoGBK(u16 unicode)
* 1|Äü : ½«unicode±àÂë×a»»ÎaGBK±àÂë
* 2Îêy : unicode
* ·μ»Ø : GBK
* òààμ : μ×2ã¶áD′oˉêy
* ×÷Õß : cp1300@139.com
* ê±¼ä : 20120602
* ×îoóDT¸Äê±¼ä : 20120602
* ËμÃ÷ : DèòaflashÖDμÄÂë±íÖ§3Ö
         GBKÂë·¶Î§,¸ß8Î»:0x81~0xfe;μí8Î»:0x40~0xfe
*************************************************************************************************************************/
u16 OneUNICODEtoGBK(u16 unicode)  //óÃ¶t·Ö2éÕòËã·¨
{
u32 offset;
u16 temp;

if(unicode<=0X9FA5)
{
      if(unicode>=0X4E00)
         offset=unicode-0X4E00;//0x1b87    //0X4E00,oo×ÖÆ«òÆÆeμã
      else
         return 0x2020;    //2»ÄüÏÔê¾μÄ×Ö·û¾í¸øá½¸ö¿Õ¸ñìî3ä,·ñÔòÂòÂë
}
else if(unicode>0X9FA5)//êÇ±êμã·ûoÅ
{
      if(unicode<0XFF01||unicode>0XFF61)
         return 0x2020;//Ã»óD¶Ôó|±àÂë  //2»ÄüÏÔê¾μÄ×Ö·û¾í¸øá½¸ö¿Õ¸ñìî3ä,·ñÔòÂòÂë
      offset=unicode-0XFF01+0X9FA6-0X4E00;
}
offset *= 2;

temp = wGBKs[offset];
temp <<= 8;
temp += wGBKs[offset+1];
return temp; //·μ»ØÕòμ½μÄ±àÂë
}

#endif //GBK_UNICODE_IS_SDCARD

/*************************************************************************************************************************
* oˉêy : void GBKToUnicode(u16 *pGBK, u16 *pUnicode, u32 cnt)
* 1|Äü : ½«¶à¸öGBK±àÂë×a»»ÎaUNICODE
* 2Îêy : pGBK:GBK±àÂë»o3åÇø
*          pUnicode:UNCODE±àÂë»o3åÇø
*          cnt:×a»»±àÂë¸öêy
* ·μ»Ø : ÎT
* òààμ : OneGBKtoUNICODE
* ×÷Õß : cp1300@139.com
* ê±¼ä : 20130403
* ×îoóDT¸Äê±¼ä : 20130403
* ËμÃ÷ : DèòaflashÖDμÄÂë±íÖ§3Ö
         GBKÂë·¶Î§,¸ß8Î»:0x81~0xfe;μí8Î»:0x40~0xfe
*************************************************************************************************************************/
void GBKToUnicode(u16 *pGBK, u16 *pUnicode, u32 cnt)
{
while(cnt --)
{
      *pUnicode = OneGBKtoUNICODE(*pGBK ++);
      pUnicode ++;
}
}

/*************************************************************************************************************************
* oˉêy : void UnicodeToGBK(u16 *pUnicode, u16 *pGBK, u32 cnt)
* 1|Äü : ½«¶à¸öUNICODE±àÂë×a»»ÎaGBK
* 2Îêy : pUnicode:UNCODE±àÂë»o3åÇø
*          pGBK:GBK±àÂë»o3åÇø
*          cnt:×a»»±àÂë¸öêy
* ·μ»Ø : ÎT
* òààμ : OneUNICODEtoGBK
* ×÷Õß : cp1300@139.com
* ê±¼ä : 20130403
* ×îoóDT¸Äê±¼ä : 20130403
* ËμÃ÷ : DèòaflashÖDμÄÂë±íÖ§3Ö
         GBKÂë·¶Î§,¸ß8Î»:0x81~0xfe;μí8Î»:0x40~0xfe
*************************************************************************************************************************/
void UnicodeToGBK(u16 *pUnicode, u16 *pGBK, u32 cnt)
{
while(cnt --)
{
      *pGBK = OneUNICODEtoGBK(*pUnicode ++);
      pGBK ++;
}
}

/*************************************************************************************************************
* unicode_gbk.h
*************************************************************************************************************/
#ifndef UNICODE_GBK_H_
#define UNICODE_GBK_H_
#include "sys.h"

u8 GBK_UNICODE_Init(void);
u16 OneGBKtoUNICODE(u16 GBKCode);
u16 OneUNICODEtoGBK(u16 unicode);

void GBKToUnicode(u16 *pGBK, u16 *pUnicode, u32 cnt); //½«¶à¸öGBK±àÂë×a»»ÎaUNICODE
void UnicodeToGBK(u16 *pUnicode, u16 *pGBK, u32 cnt); //½«¶à¸öUNICODE±àÂë×a»»ÎaGBK

#endif /*UNICODE_GBK_H_*/

[size=13.3333px]cc936.c[size=13.3333px]

[size=13.3333px]
/*------------------------------------------------------------------------*/
/* Unicode - OEM code bidirectional converter  (C)ChaN, 2009             */
/*                                                                      */
/* CP936 (Simplified Chinese GBK)                                        */
/*------------------------------------------------------------------------*/

#include "../ff.h"

#include "unicode_gbk.h" //????
#if !_USE_LFN || _CODE_PAGE != 936
//#error This file is not needed in current configuration. Remove from the project.
#endif
#if 1
WCHAR ff_convert (  /* Converted code, 0 means conversion error */
WCHAR src, /* Character code to be converted */
UINT dir    /* 0: Unicode to OEMCP, 1: OEMCP to Unicode */
)
{
WCHAR c;

if (src < 0x80) { /* ASCII */
      c = src;
}
else
{
      if (dir)
      {    /* OEMCP to unicode */

         c = OneGBKtoUNICODE(src);
      }
      else
      {    /* Unicode to OEMCP */
         c = OneUNICODEtoGBK(src);
      }
}

return c;
}
#endif

WCHAR ff_wtoupper ( /* Upper converted character */
WCHAR chr /* Input character */
)
{
static const WCHAR tbl_lower[] = { 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0xA1, 0x00A2, 0x00A3, 0x00A5, 0x00AC, 0x00AF, 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0x0FF, 0x101, 0x103, 0x105, 0x107, 0x109, 0x10B, 0x10D, 0x10F, 0x111, 0x113, 0x115, 0x117, 0x119, 0x11B, 0x11D, 0x11F, 0x121, 0x123, 0x125, 0x127, 0x129, 0x12B, 0x12D, 0x12F, 0x131, 0x133, 0x135, 0x137, 0x13A, 0x13C, 0x13E, 0x140, 0x142, 0x144, 0x146, 0x148, 0x14B, 0x14D, 0x14F, 0x151, 0x153, 0x155, 0x157, 0x159, 0x15B, 0x15D, 0x15F, 0x161, 0x163, 0x165, 0x167, 0x169, 0x16B, 0x16D, 0x16F, 0x171, 0x173, 0x175, 0x177, 0x17A, 0x17C, 0x17E, 0x192, 0x3B1, 0x3B2, 0x3B3, 0x3B4, 0x3B5, 0x3B6, 0x3B7, 0x3B8, 0x3B9, 0x3BA, 0x3BB, 0x3BC, 0x3BD, 0x3BE, 0x3BF, 0x3C0, 0x3C1, 0x3C3, 0x3C4, 0x3C5, 0x3C6, 0x3C7, 0x3C8, 0x3C9, 0x3CA, 0x430, 0x431, 0x432, 0x433, 0x434, 0x435, 0x436, 0x437, 0x438, 0x439, 0x43A, 0x43B, 0x43C, 0x43D, 0x43E, 0x43F, 0x440, 0x441, 0x442, 0x443, 0x444, 0x445, 0x446, 0x447, 0x448, 0x449, 0x44A, 0x44B, 0x44C, 0x44D, 0x44E, 0x44F, 0x451, 0x452, 0x453, 0x454, 0x455, 0x456, 0x457, 0x458, 0x459, 0x45A, 0x45B, 0x45C, 0x45E, 0x45F, 0x2170, 0x2171, 0x2172, 0x2173, 0x2174, 0x2175, 0x2176, 0x2177, 0x2178, 0x2179, 0x217A, 0x217B, 0x217C, 0x217D, 0x217E, 0x217F, 0xFF41, 0xFF42, 0xFF43, 0xFF44, 0xFF45, 0xFF46, 0xFF47, 0xFF48, 0xFF49, 0xFF4A, 0xFF4B, 0xFF4C, 0xFF4D, 0xFF4E, 0xFF4F, 0xFF50, 0xFF51, 0xFF52, 0xFF53, 0xFF54, 0xFF55, 0xFF56, 0xFF57, 0xFF58, 0xFF59, 0xFF5A, 0 };
static const WCHAR tbl_upper[] = { 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x21, 0xFFE0, 0xFFE1, 0xFFE5, 0xFFE2, 0xFFE3, 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0x178, 0x100, 0x102, 0x104, 0x106, 0x108, 0x10A, 0x10C, 0x10E, 0x110, 0x112, 0x114, 0x116, 0x118, 0x11A, 0x11C, 0x11E, 0x120, 0x122, 0x124, 0x126, 0x128, 0x12A, 0x12C, 0x12E, 0x130, 0x132, 0x134, 0x136, 0x139, 0x13B, 0x13D, 0x13F, 0x141, 0x143, 0x145, 0x147, 0x14A, 0x14C, 0x14E, 0x150, 0x152, 0x154, 0x156, 0x158, 0x15A, 0x15C, 0x15E, 0x160, 0x162, 0x164, 0x166, 0x168, 0x16A, 0x16C, 0x16E, 0x170, 0x172, 0x174, 0x176, 0x179, 0x17B, 0x17D, 0x191, 0x391, 0x392, 0x393, 0x394, 0x395, 0x396, 0x397, 0x398, 0x399, 0x39A, 0x39B, 0x39C, 0x39D, 0x39E, 0x39F, 0x3A0, 0x3A1, 0x3A3, 0x3A4, 0x3A5, 0x3A6, 0x3A7, 0x3A8, 0x3A9, 0x3AA, 0x410, 0x411, 0x412, 0x413, 0x414, 0x415, 0x416, 0x417, 0x418, 0x419, 0x41A, 0x41B, 0x41C, 0x41D, 0x41E, 0x41F, 0x420, 0x421, 0x422, 0x423, 0x424, 0x425, 0x426, 0x427, 0x428, 0x429, 0x42A, 0x42B, 0x42C, 0x42D, 0x42E, 0x42F, 0x401, 0x402, 0x403, 0x404, 0x405, 0x406, 0x407, 0x408, 0x409, 0x40A, 0x40B, 0x40C, 0x40E, 0x40F, 0x2160, 0x2161, 0x2162, 0x2163, 0x2164, 0x2165, 0x2166, 0x2167, 0x2168, 0x2169, 0x216A, 0x216B, 0x216C, 0x216D, 0x216E, 0x216F, 0xFF21, 0xFF22, 0xFF23, 0xFF24, 0xFF25, 0xFF26, 0xFF27, 0xFF28, 0xFF29, 0xFF2A, 0xFF2B, 0xFF2C, 0xFF2D, 0xFF2E, 0xFF2F, 0xFF30, 0xFF31, 0xFF32, 0xFF33, 0xFF34, 0xFF35, 0xFF36, 0xFF37, 0xFF38, 0xFF39, 0xFF3A, 0 };
int i;

for (i = 0; tbl_lower && chr != tbl_lower; i++) ;

return tbl_lower ? tbl_upper : chr;
}

[size=13.3333px]

[size=13.3333px]请问下这个对吗？如何初始化，或这有其他的放在sd卡的方法吗？

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