utf8转unicode

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <iconv.h>
#include <ctype.h>

#define BYTE unsigned char

/*
// C prototype : void StrToHex(BYTE *pbDest, BYTE *pbSrc, int nLen)
// parameter(s): [OUT] pbDest - 输出缓冲区
//    [IN] pbSrc - 字符串
//    [IN] nLen - 16进制数的字节数(字符串的长度/2)
// return value: 
// remarks : 将字符串转化为16进制数
*/
void StrToHex(BYTE *pbDest, BYTE *pbSrc, int nLen)
{
char h1,h2;
BYTE s1,s2;
int i;

for (i=0; i<nLen; i++)
{
h1 = pbSrc[2*i];
h2 = pbSrc[2*i+1];

s1 = toupper(h1) - 0x30;
if (s1 > 9) 
s1 -= 7;

s2 = toupper(h2) - 0x30;
if (s2 > 9) 
s2 -= 7;

pbDest[i] = s1*16 + s2;
}
}

/*
// C prototype : void HexToStr(BYTE *pbDest, BYTE *pbSrc, int nLen)
// parameter(s): [OUT] pbDest - 存放目标字符串
//    [IN] pbSrc - 输入16进制数的起始地址
//    [IN] nLen - 16进制数的字节数
// return value: 
// remarks : 将16进制数转化为字符串
*/
void HexToStr(BYTE *pbDest, BYTE *pbSrc, int nLen)
{
char    ddl,ddh;
int i;

for (i=0; i<nLen; i++)
{
ddh = 48 + pbSrc[i] / 16;
ddl = 48 + pbSrc[i] % 16;
if (ddh > 57) ddh = ddh + 7;
if (ddl > 57) ddl = ddl + 7;
pbDest[i*2] = ddh;
pbDest[i*2+1] = ddl;
}

pbDest[nLen*2] = '\0';
}




int RS232_SendBuf(int comport_number,unsigned char *data_buf,int size)
{
    char str[1024] = "";
    HexToStr(str, data_buf, size);
    printf("str == %s\n", str);
    return 0;
}

int  RS232_SxtBuf(int comport_number,int cardID,unsigned char cmd,unsigned char cmd_Sxt,unsigned char *buf,int size)
{
    //unsigned char data_buf[size+8];
    int i;
    int satae = -1;
    unsigned char data_buf[64];
    
    
    switch(cmd)
    {
        case 0x50:
        //    data_buf = (unsigned char*)malloc((size+7)*sizeof(unsigned char)); 
            data_buf[0] = 0XA0;
            data_buf[1] = 0X90|((cardID>>8)&0x0F);
            data_buf[2] =(unsigned char)(cardID&0x00ff);
            data_buf[3] = 0x50;
          data_buf[4] = size/255;
          data_buf[5] = size%255;
          if(size != 0)
            {
                for(i = 0;i<size;i++)
                {
                    data_buf[6+i] = buf[i];
                }
            }
            else
            {
                data_buf[6] = 0;
            }
            data_buf[size+6] = data_buf[2];
    
            for( i = 3;i<size+6;i++)
                {
                    data_buf[size+6] = data_buf[i]^data_buf[size+6];
                }        
            satae= RS232_SendBuf(comport_number,data_buf,size+7);
            break;
        case 0xA5:
    //        data_buf = (unsigned char*)malloc((size+8)*sizeof(unsigned char)); 
            data_buf[0] = 0XA0;
            data_buf[1] = 0X90|((cardID>>8)&0x0F);
            data_buf[2] =(unsigned char)(cardID&0x00ff);
            data_buf[3] = 0xA5;
          data_buf[4] = size/255;
          data_buf[5] = size%255;
            if(size != 0)
            {
                for( i = 0;i<size;i++)
                {
                    data_buf[6+i] = buf[i];
                }
            }
            else
            {
                data_buf[6] = 0;
            }
            data_buf[size+6] = data_buf[2];
            for( i = 3;i<size+6;i++)
                {
                    data_buf[size+6] = data_buf[i]^data_buf[size+6];
                }    
            satae= RS232_SendBuf(comport_number,data_buf,size+7);
     break;
        case 0x58:
    //        data_buf = (unsigned char*)malloc((size+8)*sizeof(unsigned char)); 
            data_buf[0] = 0XA0;
            data_buf[1] = 0X90|((cardID>>8)&0x0F);
            data_buf[2] =(unsigned char)(cardID&0x00ff);
            data_buf[3] = 0x58;
          if(size == 0)
            {
                data_buf[4] = 0;
                data_buf[5] = 0;
                data_buf[6] = data_buf[5]^data_buf[4]^data_buf[3]^data_buf[2];
                satae = RS232_SendBuf(comport_number,data_buf,7);
            }
            else
            {
                data_buf[4] = 0;
                data_buf[5] = 1;
                data_buf[6] = 0xFF;
                data_buf[7] = data_buf[6]^data_buf[5]^data_buf[4]^data_buf[3]^data_buf[2];
                satae = RS232_SendBuf(comport_number,data_buf,8);
            }        
            break;
        case 0x48:
                data_buf[0] = 0XA0;
                data_buf[1] = 0X90|((cardID>>8)&0x0F);
                data_buf[2] =(unsigned char)(cardID&0x00ff);
                data_buf[3] = 0x48;
            data_buf[4] = 0;
                data_buf[5] = 1;
                data_buf[6] = cmd_Sxt;
                data_buf[7] = data_buf[6]^data_buf[5]^data_buf[4]^data_buf[3]^data_buf[2];
                satae = RS232_SendBuf(comport_number,data_buf,8);
            break;
        case 0x49:
        //    data_buf = (unsigned char*)malloc((size+9)*sizeof(unsigned char)); 
            data_buf[0] = 0XA0;
            data_buf[1] = 0X90|((cardID>>8)&0x0F);
            data_buf[2] =(unsigned char)(cardID&0x00ff);
            data_buf[3] = 0x49;
          data_buf[4] = (size+1)/255;
          data_buf[5] = (size+1)%255;
            if(size != 0)
            {
                data_buf[6] = cmd_Sxt;
                for(i = 0;i<size;i++)
                {
                    data_buf[7+i] = buf[i];
                }
            }
            else
            {
                data_buf[6] = 0;
            }
            data_buf[size+7] = data_buf[2];
            for(i = 3;i<size+7;i++)
                {
                    data_buf[size+7] = data_buf[i]^data_buf[size+7];
                }    
            satae = RS232_SendBuf(comport_number,data_buf,size+8);
            break;
        case 0x44:
    //        data_buf = (unsigned char*)malloc((size+8)*sizeof(unsigned char)); 
            data_buf[0] = 0XA0;
            data_buf[1] = 0X90|((cardID>>8)&0x0F);
            data_buf[2] =(unsigned char)(cardID&0x00ff);
            data_buf[3] = 0x44;
          data_buf[4] = size/255;
          data_buf[5] = size%255;
          if(size != 0)
            {
                for(int i = 0;i<size;i++)
                {
                    data_buf[6+i] = buf[i];
                }
            }
            else
            {
                data_buf[6] = 0;
            }
            data_buf[size+6] = data_buf[2];
    
            for( i = 3;i<size+6;i++)
                {
                    data_buf[size+6] = data_buf[i]^data_buf[size+6];
                }        
            satae = RS232_SendBuf(comport_number,data_buf,size+7);
         break;
        case 0x51:
    //        data_buf = (unsigned char*)malloc((size+8)*sizeof(unsigned char)); 
            data_buf[0] = 0XA0;
            data_buf[1] = 0X90|((cardID>>8)&0x0F);
            data_buf[2] =(unsigned char)(cardID&0x00ff);
            data_buf[3] = 0x51;
          data_buf[4] = size/255;
          data_buf[5] = size%255;
          if(size != 0)
            {
                for( i = 0;i<size;i++)
                {
                    data_buf[6+i] = buf[i];
                }
            }
            else
            {
                data_buf[6] = 0;
            }
            data_buf[size+6] = data_buf[2];
    
            for( i = 3;i<size+6;i++)
                {
                    data_buf[size+6] = data_buf[i]^data_buf[size+6];
                }        
            satae = RS232_SendBuf(comport_number,data_buf,size+7);
                    
          break;
        case 0x52:
    //        data_buf = (unsigned char*)malloc((size+8)*sizeof(unsigned char)); 
            data_buf[0] = 0XA0;
            data_buf[1] = 0X90|((cardID>>8)&0x0F);
            data_buf[2] =(unsigned char)(cardID&0x00ff);
            data_buf[3] = 0x52;
          data_buf[4] = size/255;
          data_buf[5] = size%255;
          if(size != 0)
            {
                for( i = 0;i<size;i++)
                {
                    data_buf[6+i] = buf[i];
                }
            }
            else
            {
                data_buf[6] = 0;
            }
            data_buf[size+6] = data_buf[2];
    
            for( i = 3;i<size+6;i++)
                {
                    data_buf[size+6] = data_buf[i]^data_buf[size+6];
                }        
            satae = RS232_SendBuf(comport_number,data_buf,size+7);
    
            break;
        default :
            break;
    }
    //HAL_Delay(5);
//    free(data_buf);
    return satae;
}

bool unicode_to_utf8 (char *inbuf, size_t *inlen, char *outbuf, size_t *outlen)
{
  /* 目的编码, TRANSLIT：遇到无法转换的字符就找相近字符替换
   *           IGNORE ：遇到无法转换字符跳过*/
  char *encTo = "UTF-8//IGNORE";
/* 源编码 */
  char *encFrom = "UNICODE";

  /* 获得转换句柄
   *@param encTo 目标编码方式
   *@param encFrom 源编码方式
   *
   * */
  iconv_t cd = iconv_open (encTo, encFrom);
  if (cd == (iconv_t)-1)
  {
     perror ("iconv_open");
  }

  /* 需要转换的字符串 */
  printf("inbuf=%s\n", inbuf);

  /* 打印需要转换的字符串的长度 */
  printf("inlen=%d\n", *inlen);


  /* 由于iconv()函数会修改指针，所以要保存源指针 */
  char *tmpin = inbuf;
  char *tmpout = outbuf;
  size_t insize = *inlen;
  size_t outsize = *outlen;

  /* 进行转换
   *@param cd iconv_open()产生的句柄
   *@param srcstart 需要转换的字符串
   *@param inlen 存放还有多少字符没有转换
   *@param tempoutbuf 存放转换后的字符串
   *@param outlen 存放转换后,tempoutbuf剩余的空间
   *
   * */
  size_t ret = iconv (cd, &tmpin, inlen, &tmpout, outlen);
  if (ret == -1)
  {
     perror ("iconv");
  }

  /* 存放转换后的字符串 */
  printf("outbuf=%s\n", outbuf);

  //存放转换后outbuf剩余的空间
  printf("outlen=%d\n", *outlen);

  int i = 0;

  for (i=0; i<(outsize- (*outlen)); i++)
  {
     //printf("%2c", outbuf[i]);
     printf("%x\n", outbuf[i]);
  }

  /* 关闭句柄 */
  iconv_close (cd);

  return 0;
}

bool utf8_to_unicode(char *inbuf, size_t *inlen, char *outbuf, size_t *outlen)
{

  /* 目的编码, TRANSLIT：遇到无法转换的字符就找相近字符替换
   *           IGNORE ：遇到无法转换字符跳过*/
  char *encTo = "UNICODE//IGNORE";
  /* 源编码 */
  char *encFrom = "UTF-8";

  /* 获得转换句柄
   *@param encTo 目标编码方式
   *@param encFrom 源编码方式
   *
   * */
  iconv_t cd = iconv_open (encTo, encFrom);
  if (cd == (iconv_t)-1)
  {
      perror ("iconv_open");
  }

  /* 需要转换的字符串 */
  printf("inbuf=%s\n", inbuf);

  /* 打印需要转换的字符串的长度 */
  printf("inlen=%d\n", *inlen);

  /* 由于iconv()函数会修改指针，所以要保存源指针 */
  char *tmpin = inbuf;
  char *tmpout = outbuf;
  size_t insize = *inlen;
  size_t outsize = *outlen;

  /* 进行转换
   *@param cd iconv_open()产生的句柄
   *@param srcstart 需要转换的字符串
   *@param inlen 存放还有多少字符没有转换
   *@param tempoutbuf 存放转换后的字符串
   *@param outlen 存放转换后,tempoutbuf剩余的空间
   *
   * */
  size_t ret = iconv(cd, &tmpin, inlen, &tmpout, outlen);
  if (ret == -1)
  {
     perror ("iconv");
  }

  /* 存放转换后的字符串 */
  printf("outbuf=%s\n", outbuf);

  //存放转换后outbuf剩余的空间
  printf("outlen=%d\n", *outlen);

  int i = 0;

  for (i=0; i<(outsize- (*outlen)); i++)
  {
     //printf("%2c", outbuf[i]);
     printf("%x\n", outbuf[i]);
  }

  /* 关闭句柄 */
  iconv_close (cd);

  return 0;
}


int main()
{
    char *unicode_buf = NULL;
    size_t num = 0;
    
      /* 需要转换的字符串 */
  //char inbuf[1024] = "张忠旺"; 
  char *text = "张忠旺";    
    
  char inbuf[1024] = {};
  strcpy(inbuf, text);
  size_t inlen = strlen(inbuf);

  /* 存放转换后的字符串 */
  char outbuf[1024] = {0};
  size_t outlen = 1024;

  utf8_to_unicode(inbuf, &inlen, outbuf, &outlen);
    
    printf("out_len = %d\n", outlen );
    
    
    RS232_SxtBuf(0, 1, 0x50, 0, outbuf + 2, 1024 - outlen - 2);
    return 0;
}