#include <stdio.h>#include <string.h>#include "DataConvert.h"int strToHex(char *ch, char *hex){  int high,low;  int tmp = 0;  if(ch == NULL || hex == NULL){    return -1;  }  if(strlen(ch) == 0){    return -2;  }  while(*ch){    tmp = (int)*ch;    high = tmp >> 4;    low = tmp & 15;    *hex++ = valueToHexCh(high); //先写高字节    *hex++ = valueToHexCh(low); //其次写低字节    ch++;  }  *hex = ‘\0‘;  return 0;}int hexToStr(char *hex, char *ch){  int high,low;  int tmp = 0;  if(hex == NULL || ch == NULL){    return -1;  }  if(strlen(hex) %2 == 1){    return -2;  }  while(*hex){    high = hexCharToValue(*hex);    if(high < 0){      *ch = ‘\0‘;      return -3;    }    hex++; //指针移动到下一个字符上    low = hexCharToValue(*hex);    if(low < 0){      *ch = ‘\0‘;      return -3;    }    tmp = (high << 4) + low;    *ch++ = (char)tmp;    hex++;  }  *ch = ‘\0‘;  return 0;}int hexCharToValue(const char ch){  int result = 0;  //获取16进制的高字节位数据  if(ch >= ‘0‘ && ch <= ‘9‘){    result = (int)(ch - ‘0‘);  }  else if(ch >= ‘a‘ && ch <= ‘z‘){    result = (int)(ch - ‘a‘) + 10;  }  else if(ch >= ‘A‘ && ch <= ‘Z‘){    result = (int)(ch - ‘A‘) + 10;  }  else{    result = -1;  }  return result;}char valueToHexCh(const int value){  char result = ‘\0‘;  if(value >= 0 && value <= 9){    result = (char)(value + 48); //48为ascii编码的‘0’字符编码值  }  else if(value >= 10 && value <= 15){    result = (char)(value - 10 + 65); //减去10则找出其在16进制的偏移量，65为ascii的‘A‘的字符编码值  }  else{    ;  }  return result;}int hexChartoByte(char *s,char *byte){    int i,n = 0;    for(i = 0; s[i]; i += 2)    {        if(s[i] >= ‘A‘ && s[i] <= ‘F‘)            byte[n] = s[i] - ‘A‘ + 10;        else byte[n] = s[i] - ‘0‘;        if(s[i + 1] >= ‘A‘ && s[i + 1] <= ‘F‘)            byte[n] = (byte[n] << 4) | (s[i + 1] - ‘A‘ + 10);        else byte[n] = (byte[n] << 4) | (s[i + 1] - ‘0‘);        ++n;    }        return n;}unsigned char ChartoAscii(const unsigned char cha){    unsigned char ascii;    if ((cha >= 0x0A) && (cha <= 0x0F))    {        ascii = cha + ‘A‘ - 10;    }    else    {        ascii = cha + ‘0‘;     }    return ascii;}

#ifndef __DATA_H#define __DATA_Hint strToHex(char *ch, char *hex);int hexToStr(char *hex, char *ch);int hexCharToValue(const char ch);char valueToHexCh(const int value);int hexChartoByte(char *s,char *byte);unsigned char ChartoAscii(const unsigned char cha);#endif

#include <stdio.h>#include <string.h>#include "DataConvert.h"#define MCU_FIRWARE_VERSION "V1.0.0"#define BLE_FIRWARE_VERSION "V1.0.0"#define FONT_VERSION "V1.0.0"int main(int argc, char *argv[]){    int i;    char result[1024];    char *p_result = result;    //转换版本号数据    char mcu_version_hex[12];    char mcu_version_byte[6];    char *p_ch = MCU_FIRWARE_VERSION;    char *p_hex = mcu_version_hex;    strToHex(p_ch,p_hex);    int n = hexChartoByte(mcu_version_hex,mcu_version_byte);    char ble_version_hex[12];    char ble_version_byte[6];    p_ch = BLE_FIRWARE_VERSION;    p_hex = ble_version_hex;    strToHex(p_ch,p_hex);    int m = hexChartoByte(ble_version_hex,ble_version_byte);    char font_version_hex[12];    char font_version_byte[6];    p_ch = FONT_VERSION;    p_hex = font_version_hex;    strToHex(p_ch,p_hex);    int k = hexChartoByte(font_version_hex,font_version_byte);       //填充版本号数据    for(int i = 0;i<n;i++)        printf ("%X ",0XFF & mcu_version_byte[i]);    for(int i = 0;i<m;i++)        printf ("%X ",0XFF & ble_version_byte[i]);    for(int i = 0;i<k;i++)        printf ("%X ",0XFF & font_version_byte[i]);    hexToStr(p_hex, p_result);        printf("the string is:%s\n", p_result);}