git init

src/FormatTrans.cpp

@@ -0,0 +1,178 @@
+#include <cassert>
+#include <sstream>
+#include <iomanip>
+#include "FormatTrans.h"
+
+
+float HEX2DEC(WORD Hex)
+{
+    BYTE bai = Hex >> 12;
+    Hex = Hex - bai * std::pow(16, 3);
+    BYTE shi = Hex >> 8;
+    Hex = Hex - shi * pow(16, 2);
+    BYTE ge = Hex >> 4;
+    Hex = Hex - ge * pow(16, 1);
+    BYTE xiao = Hex;
+
+    return bai * pow(10, 2) + shi * pow(10, 1) + ge * pow(10, 0) + xiao * pow(10, -1);
+}
+
+
+WORD DEC2HEX(float Dec)
+{
+    BYTE bai = Dec / pow(10, 2);
+    Dec = Dec - bai * pow(10, 2);
+    BYTE shi = Dec / pow(10, 1);
+    Dec = Dec - shi * pow(10, 1);
+    BYTE ge = Dec / pow(10, 0);
+    Dec = Dec - ge * pow(10, 0);
+    BYTE xiao = Dec / pow(10, -1);
+
+    return bai * pow(16, 3) + shi * pow(16, 2) + ge * pow(16, 1) + xiao * pow(16, 0);
+}
+
+/***********************************
+function: IsHexChar
+desc:   判断字符是否在0-9，a-f之间
+input： char-字符
+Output：
+return:  字符索引，如8-8，a-10，如果
+         不是，返回-1
+***********************************/
+int IsHexChar(char hc)
+{
+    if('0'<=hc && hc<='9')
+        return (int(hc)-int('0'));
+    else if('a'<=hc && hc<='f')
+        return (int(hc)-int('a')+10);
+    else if('A'<=hc && hc<='F')
+        return (int(hc)-int('A')+10);
+    return -1;
+}
+
+/**************************************
+function: Hex2Char
+desc:     16进制数转化为字符
+Input:    hex-16进制，字符串形式，2字符
+Output:
+return:    ascii字符
+**************************************/
+unsigned char Hex2Char(const std::string &hex)
+{
+    assert(hex.length() == 2);
+    int high = IsHexChar(hex[0]);
+    int low = IsHexChar(hex[1]);
+    if(high == -1 || low == -1)
+        return '\0';
+    int asc = high*16+low;
+    //	char b = toascii(asc);
+    return asc;
+}
+
+/****************************
+function: Hex2String
+desc:     16进制字符串转化为ascii字符串
+Input:    hex-16进制字符串
+Output:
+return:  ascii字符串
+*****************************/
+std::string Hex2String(const std::string &hex)
+{
+    assert(hex.length()%2 == 0);
+    std::string hstr;
+    for(int i=0; i<hex.length(); i+=2)
+    {
+        std::string tmp = hex.substr(i,2);
+        hstr.append(1,Hex2Char(tmp));
+    }
+    return hstr;
+}
+/****************************************
+function：PrepareHexString
+desc:  去掉字符串里的空格，0x
+Input:    str普通字符串
+Output:
+return:  去掉空格和0x的字符串
+****************************************/
+std::string PrepareHexString(std::string str)
+{
+    //先删除空格
+    int i=0;
+    while(i != str.length())
+    {
+        i = str.find(' ',i);
+        if(i == -1)
+            break;
+        str = str.erase(i,1);
+    }
+
+    //删除0x
+    i = 0;
+    std::string tmp("0x");
+    while(i != str.length())
+    {
+        i = str.find(tmp,i);
+        if(i == -1)
+            break;
+        str = str.erase(i,2);
+    }
+
+    //删除0X
+    i = 0;
+    tmp = "0X";
+    while(i != str.length())
+    {
+        i = str.find(tmp,i);
+        if(i == -1)
+            break;
+        str = str.erase(i,2);
+    }
+    if(str.length()%2 != 0)
+        str.append(1,'0');
+
+    str = Hex2String(str);
+    return str;
+}
+
+// 十进制转十六进制
+std::string decimalToHexadecimal(int decimal) {
+    std::stringstream ss;
+    ss << std::hex << decimal;
+    return ss.str();
+}
+
+// 十六进制转十进制
+int hexadecimalToDecimal(const std::string& hexadecimal) {
+    return std::stoi(hexadecimal, nullptr, 16);
+}
+
+std::string charToHex(char value) {
+    int intValue = static_cast<int>(value);
+    if (intValue < 0) {
+        intValue = 256 + intValue;
+    }
+    std::stringstream ss;
+    ss << std::setw(2) << std::setfill('0') << std::hex << std::uppercase << intValue;
+    return ss.str();
+}
+
+
+std::string verify(const std::string& hexStr){
+    // 准备字符串，去掉空格和0x
+    std::string preparedStr = PrepareHexString(hexStr);
+
+    // 计算校验码
+    int sum = 0;
+    for (size_t i = 1; i < 6; i += 1) {
+        int temp = int(static_cast<unsigned char>(preparedStr[i]));
+        sum += temp;
+    }
+
+    // 取模并转换为16进制
+    int checksum = sum % 0x100;
+    std::string hex = decimalToHexadecimal(checksum);
+    if (hex.length() == 1){
+        hex = "0" + hex;
+    }
+    return hex;
+}