510 lines
15 KiB
C
510 lines
15 KiB
C
|
/*
|
|||
|
|
* user_lib.c
|
|||
|
|
*
|
|||
|
|
* Created on: 2023年1月30日
|
|||
|
|
* Author: wyf
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
#include "user_lib.h"
|
|||
|
|
|
|||
|
|
// CRC 高位字节值表
|
|||
|
|
static const uint8_t s_CRCHi[] = {
|
|||
|
|
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
|
|||
|
|
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
|
|||
|
|
0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
|
|||
|
|
0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
|
|||
|
|
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
|
|||
|
|
0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
|
|||
|
|
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
|
|||
|
|
0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
|
|||
|
|
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
|
|||
|
|
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
|
|||
|
|
0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
|
|||
|
|
0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
|
|||
|
|
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
|
|||
|
|
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
|
|||
|
|
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
|
|||
|
|
0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
|
|||
|
|
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
|
|||
|
|
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
|
|||
|
|
0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
|
|||
|
|
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
|
|||
|
|
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
|
|||
|
|
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
|
|||
|
|
0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
|
|||
|
|
0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
|
|||
|
|
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
|
|||
|
|
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40
|
|||
|
|
} ;
|
|||
|
|
// CRC 低位字节值表
|
|||
|
|
const uint8_t s_CRCLo[] = {
|
|||
|
|
0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06,
|
|||
|
|
0x07, 0xC7, 0x05, 0xC5, 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD,
|
|||
|
|
0x0F, 0xCF, 0xCE, 0x0E, 0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09,
|
|||
|
|
0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9, 0x1B, 0xDB, 0xDA, 0x1A,
|
|||
|
|
0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC, 0x14, 0xD4,
|
|||
|
|
0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3,
|
|||
|
|
0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3,
|
|||
|
|
0xF2, 0x32, 0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4,
|
|||
|
|
0x3C, 0xFC, 0xFD, 0x3D, 0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A,
|
|||
|
|
0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38, 0x28, 0xE8, 0xE9, 0x29,
|
|||
|
|
0xEB, 0x2B, 0x2A, 0xEA, 0xEE, 0x2E, 0x2F, 0xEF, 0x2D, 0xED,
|
|||
|
|
0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26,
|
|||
|
|
0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60,
|
|||
|
|
0x61, 0xA1, 0x63, 0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67,
|
|||
|
|
0xA5, 0x65, 0x64, 0xA4, 0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F,
|
|||
|
|
0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB, 0x69, 0xA9, 0xA8, 0x68,
|
|||
|
|
0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA, 0xBE, 0x7E,
|
|||
|
|
0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5,
|
|||
|
|
0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71,
|
|||
|
|
0x70, 0xB0, 0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92,
|
|||
|
|
0x96, 0x56, 0x57, 0x97, 0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C,
|
|||
|
|
0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E, 0x5A, 0x9A, 0x9B, 0x5B,
|
|||
|
|
0x99, 0x59, 0x58, 0x98, 0x88, 0x48, 0x49, 0x89, 0x4B, 0x8B,
|
|||
|
|
0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C,
|
|||
|
|
0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42,
|
|||
|
|
0x43, 0x83, 0x41, 0x81, 0x80, 0x40
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
* 函 数 名: str_len
|
|||
|
|
* 功能说明: 计算字符串长度.0是结束符
|
|||
|
|
* 形 参: _str : 缓冲区
|
|||
|
|
* 返 回 值: 无
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
*/
|
|||
|
|
int str_len(char *_str)
|
|||
|
|
{
|
|||
|
|
int len = 0;
|
|||
|
|
|
|||
|
|
while (*_str++) len++;
|
|||
|
|
return len;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
* 函 数 名: str_cpy
|
|||
|
|
* 功能说明: 复制字符串
|
|||
|
|
* 形 参: tar : 目标缓冲区
|
|||
|
|
* src : 源缓冲区
|
|||
|
|
* 返 回 值: 无
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
*/
|
|||
|
|
void str_cpy(char *_tar, char *_src)
|
|||
|
|
{
|
|||
|
|
do
|
|||
|
|
{
|
|||
|
|
*_tar++ = *_src;
|
|||
|
|
}
|
|||
|
|
while (*_src++);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
* 函 数 名: str_cmp
|
|||
|
|
* 功能说明: 字符串比较
|
|||
|
|
* 形 参: s1 : 字符串1
|
|||
|
|
* s2 : 字符串2
|
|||
|
|
* 返 回 值: 0 表示相等 非0表示不等
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
*/
|
|||
|
|
int str_cmp(char * s1, char * s2)
|
|||
|
|
{
|
|||
|
|
while ((*s1!=0) && (*s2!=0) && (*s1==*s2))
|
|||
|
|
{
|
|||
|
|
s1++;
|
|||
|
|
s2++;
|
|||
|
|
}
|
|||
|
|
return *s1 - *s2;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
* 函 数 名: str_copy
|
|||
|
|
* 功能说明: 复制字符串
|
|||
|
|
* 形 参: tar : 目标缓冲区
|
|||
|
|
* src : 源缓冲区
|
|||
|
|
* 返 回 值: 无
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
*/
|
|||
|
|
void mem_set(char *_tar, char _data, int _len)
|
|||
|
|
{
|
|||
|
|
while (_len--)
|
|||
|
|
{
|
|||
|
|
*_tar++ = _data;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
* 函 数 名: int_to_ascii
|
|||
|
|
* 功能说明: 将整数转换为ASCII数组。支持负数。
|
|||
|
|
* 形 参: _Number : 整数
|
|||
|
|
* _pBuf : 目标缓冲区, 存放转换后的结果。以0结束的字符串。
|
|||
|
|
* _len : ASCII字符个数, 字符串长度
|
|||
|
|
* 返 回 值: 无
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
*/
|
|||
|
|
void int_to_str(int _iNumber, char *_pBuf, unsigned char _len)
|
|||
|
|
{
|
|||
|
|
unsigned char i;
|
|||
|
|
int iTemp;
|
|||
|
|
|
|||
|
|
if (_iNumber < 0) /* 负数 */
|
|||
|
|
{
|
|||
|
|
iTemp = -_iNumber; /* 转为正数 */
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
iTemp = _iNumber;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
mem_set(_pBuf, ' ',_len);
|
|||
|
|
|
|||
|
|
/* 将整数转换为ASCII字符串 */
|
|||
|
|
for (i = 0; i < _len; i++)
|
|||
|
|
{
|
|||
|
|
_pBuf[_len - 1 - i] = (iTemp % 10) + '0';
|
|||
|
|
iTemp = iTemp / 10;
|
|||
|
|
if (iTemp == 0)
|
|||
|
|
{
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
_pBuf[_len] = 0;
|
|||
|
|
|
|||
|
|
if (_iNumber < 0) /* 负数 */
|
|||
|
|
{
|
|||
|
|
for (i = 0; i < _len; i++)
|
|||
|
|
{
|
|||
|
|
if ((_pBuf[i] == ' ') && (_pBuf[i + 1] != ' '))
|
|||
|
|
{
|
|||
|
|
_pBuf[i] = '-';
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
* 函 数 名: str_to_int
|
|||
|
|
* 功能说明: 将ASCII码字符串转换成整数。 遇到小数点自动越过。
|
|||
|
|
* 形 参: _pStr :待转换的ASCII码串. 可以以逗号，#或0结束。 2014-06-20 修改为非0-9的字符。
|
|||
|
|
* 返 回 值: 二进制整数值
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
*/
|
|||
|
|
int str_to_int(char *_pStr)
|
|||
|
|
{
|
|||
|
|
unsigned char flag;
|
|||
|
|
char *p;
|
|||
|
|
int ulInt;
|
|||
|
|
unsigned char i;
|
|||
|
|
unsigned char ucTemp;
|
|||
|
|
|
|||
|
|
p = _pStr;
|
|||
|
|
if (*p == '-')
|
|||
|
|
{
|
|||
|
|
flag = 1; /* 负数 */
|
|||
|
|
p++;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
flag = 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
ulInt = 0;
|
|||
|
|
for (i = 0; i < 15; i++)
|
|||
|
|
{
|
|||
|
|
ucTemp = *p;
|
|||
|
|
if (ucTemp == '.') /* 遇到小数点，自动跳过1个字节 */
|
|||
|
|
{
|
|||
|
|
p++;
|
|||
|
|
ucTemp = *p;
|
|||
|
|
}
|
|||
|
|
if ((ucTemp >= '0') && (ucTemp <= '9'))
|
|||
|
|
{
|
|||
|
|
ulInt = ulInt * 10 + (ucTemp - '0');
|
|||
|
|
p++;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (flag == 1)
|
|||
|
|
{
|
|||
|
|
return -ulInt;
|
|||
|
|
}
|
|||
|
|
return ulInt;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
* 函 数 名: BEBufToUint16
|
|||
|
|
* 功能说明: 将2字节数组(大端Big Endian次序，高字节在前)转换为16位整数
|
|||
|
|
* 形 参: _pBuf : 数组
|
|||
|
|
* 返 回 值: 16位整数值
|
|||
|
|
*
|
|||
|
|
* 大端(Big Endian)与小端(Little Endian)
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
*/
|
|||
|
|
uint16_t BEBufToUint16(uint8_t *_pBuf)
|
|||
|
|
{
|
|||
|
|
return (((uint16_t)_pBuf[0] << 8) | _pBuf[1]);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
* 函 数 名: LEBufToUint16
|
|||
|
|
* 功能说明: 将2字节数组(小端Little Endian，低字节在前)转换为16位整数
|
|||
|
|
* 形 参: _pBuf : 数组
|
|||
|
|
* 返 回 值: 16位整数值
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
*/
|
|||
|
|
uint16_t LEBufToUint16(uint8_t *_pBuf)
|
|||
|
|
{
|
|||
|
|
return (((uint16_t)_pBuf[1] << 8) | _pBuf[0]);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
* 函 数 名: BEBufToUint32
|
|||
|
|
* 功能说明: 将4字节数组(大端Big Endian次序，高字节在前)转换为16位整数
|
|||
|
|
* 形 参: _pBuf : 数组
|
|||
|
|
* 返 回 值: 16位整数值
|
|||
|
|
*
|
|||
|
|
* 大端(Big Endian)与小端(Little Endian)
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
*/
|
|||
|
|
uint32_t BEBufToUint32(uint8_t *_pBuf)
|
|||
|
|
{
|
|||
|
|
return (((uint32_t)_pBuf[0] << 24) | ((uint32_t)_pBuf[1] << 16) | ((uint32_t)_pBuf[2] << 8) | _pBuf[3]);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
* 函 数 名: LEBufToUint32
|
|||
|
|
* 功能说明: 将4字节数组(小端Little Endian，低字节在前)转换为16位整数
|
|||
|
|
* 形 参: _pBuf : 数组
|
|||
|
|
* 返 回 值: 16位整数值
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
*/
|
|||
|
|
uint32_t LEBufToUint32(uint8_t *_pBuf)
|
|||
|
|
{
|
|||
|
|
return (((uint32_t)_pBuf[3] << 24) | ((uint32_t)_pBuf[2] << 16) | ((uint32_t)_pBuf[1] << 8) | _pBuf[0]);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
* 函 数 名: CRC16_Modbus
|
|||
|
|
* 功能说明: 计算CRC。 用于Modbus协议。
|
|||
|
|
* 形 参: _pBuf : 参与校验的数据
|
|||
|
|
* _usLen : 数据长度
|
|||
|
|
* 返 回 值: 16位整数值。 对于Modbus ，此结果高字节先传送，低字节后传送。
|
|||
|
|
*
|
|||
|
|
* 所有可能的CRC值都被预装在两个数组当中，当计算报文内容时可以简单的索引即可；
|
|||
|
|
* 一个数组包含有16位CRC域的所有256个可能的高位字节，另一个数组含有低位字节的值；
|
|||
|
|
* 这种索引访问CRC的方式提供了比对报文缓冲区的每一个新字符都计算新的CRC更快的方法；
|
|||
|
|
*
|
|||
|
|
* 注意：此程序内部执行高/低CRC字节的交换。此函数返回的是已经经过交换的CRC值；也就是说，该函数的返回值可以直接放置
|
|||
|
|
* 于报文用于发送；
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
*/
|
|||
|
|
uint16_t CRC16_Modbus(uint8_t *_pBuf, uint16_t _usLen)
|
|||
|
|
{
|
|||
|
|
uint8_t ucCRCHi = 0xFF; /* 高CRC字节初始化 */
|
|||
|
|
uint8_t ucCRCLo = 0xFF; /* 低CRC 字节初始化 */
|
|||
|
|
uint16_t usIndex; /* CRC循环中的索引 */
|
|||
|
|
|
|||
|
|
while (_usLen--)
|
|||
|
|
{
|
|||
|
|
usIndex = ucCRCHi ^ *_pBuf++; /* 计算CRC */
|
|||
|
|
ucCRCHi = ucCRCLo ^ s_CRCHi[usIndex];
|
|||
|
|
ucCRCLo = s_CRCLo[usIndex];
|
|||
|
|
}
|
|||
|
|
return ((uint16_t)ucCRCHi << 8 | ucCRCLo);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
* 函 数 名: CaculTwoPoint
|
|||
|
|
* 功能说明: 根据2点直线方程，计算Y值
|
|||
|
|
* 形 参: 2个点的坐标和x输入量
|
|||
|
|
* 返 回 值: x对应的y值
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
*/
|
|||
|
|
int32_t CaculTwoPoint(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t x)
|
|||
|
|
{
|
|||
|
|
return y1 + ((int64_t)(y2 - y1) * (x - x1)) / (x2 - x1);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
* 函 数 名: BcdToChar
|
|||
|
|
* 功能说明: 将BCD码转为ASCII字符。 比如 0x0A ==> 'A'
|
|||
|
|
* 形 参: _bcd ：输入的二进制数。必须小于16
|
|||
|
|
* 返 回 值: 转换结果
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
*/
|
|||
|
|
char BcdToChar(uint8_t _bcd)
|
|||
|
|
{
|
|||
|
|
if (_bcd < 10)
|
|||
|
|
{
|
|||
|
|
return _bcd + '0';
|
|||
|
|
}
|
|||
|
|
else if (_bcd < 16)
|
|||
|
|
{
|
|||
|
|
return _bcd + 'A';
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
* 函 数 名: HexToAscll
|
|||
|
|
* 功能说明: 将二进制数组转换为16进制格式的ASCII字符串。每个2个ASCII字符后保留1个空格。
|
|||
|
|
* 0x12 0x34 转化为 0x31 0x32 0x20 0x33 0x34 0x00 即 "1234"
|
|||
|
|
* 形 参: _pHex ：输入的数据，二进制数组
|
|||
|
|
* _pAscii ：存放转换结果, ASCII字符串，0结束。1个二进制对应2个ASCII字符.
|
|||
|
|
* 返 回 值: 转换得到的整数
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
*/
|
|||
|
|
void HexToAscll(uint8_t * _pHex, char *_pAscii, uint16_t _BinBytes)
|
|||
|
|
{
|
|||
|
|
uint16_t i;
|
|||
|
|
|
|||
|
|
if (_BinBytes == 0)
|
|||
|
|
{
|
|||
|
|
_pAscii[0] = 0;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
for (i = 0; i < _BinBytes; i++)
|
|||
|
|
{
|
|||
|
|
_pAscii[3 * i] = BcdToChar(_pHex[i] >> 4);
|
|||
|
|
_pAscii[3 * i + 1] = BcdToChar(_pHex[i] & 0x0F);
|
|||
|
|
_pAscii[3 * i + 2] = ' ';
|
|||
|
|
}
|
|||
|
|
_pAscii[3 * (i - 1) + 2] = 0;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
* 函 数 名: AsciiToUint32
|
|||
|
|
* 功能说明: 变长的 ASCII 字符转换为32位整数 ASCII 字符以空格或者0结束 。 支持16进制和10进制输入
|
|||
|
|
* 形 参: *pAscii ：要转换的ASCII码
|
|||
|
|
* 返 回 值: 转换得到的整数
|
|||
|
|
*********************************************************************************************************
|
|||
|
|
*/
|
|||
|
|
uint32_t AsciiToUint32(char *pAscii)
|
|||
|
|
{
|
|||
|
|
uint8_t i;
|
|||
|
|
char bTemp;
|
|||
|
|
char bIsHex;
|
|||
|
|
char bLen;
|
|||
|
|
char bZeroLen;
|
|||
|
|
uint32_t lResult;
|
|||
|
|
uint32_t lBitValue;
|
|||
|
|
|
|||
|
|
/* 判断是否是16进制数 */
|
|||
|
|
bIsHex = 0;
|
|||
|
|
if ((pAscii[0] == '0') && ((pAscii[1] == 'x') || (pAscii[1] == 'X')))
|
|||
|
|
{
|
|||
|
|
bIsHex=1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
lResult=0;
|
|||
|
|
// 最大数值为 4294967295, 10位+2字符"0x" //
|
|||
|
|
if (bIsHex == 0)
|
|||
|
|
{ // 十进制 //
|
|||
|
|
// 求长度 //
|
|||
|
|
lBitValue=1;
|
|||
|
|
|
|||
|
|
/* 前导去0 */
|
|||
|
|
for (i = 0; i < 8; i++)
|
|||
|
|
{
|
|||
|
|
bTemp = pAscii[i];
|
|||
|
|
if (bTemp != '0')
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
bZeroLen = i;
|
|||
|
|
|
|||
|
|
for (i = 0; i < 10; i++)
|
|||
|
|
{
|
|||
|
|
if ((pAscii[i] < '0') || (pAscii[i] > '9'))
|
|||
|
|
break;
|
|||
|
|
lBitValue = lBitValue * 10;
|
|||
|
|
}
|
|||
|
|
bLen = i;
|
|||
|
|
lBitValue = lBitValue / 10;
|
|||
|
|
if (lBitValue == 0)
|
|||
|
|
lBitValue=1;
|
|||
|
|
for (i = bZeroLen; i < bLen; i++)
|
|||
|
|
{
|
|||
|
|
lResult += (pAscii[i] - '0') * lBitValue;
|
|||
|
|
lBitValue /= 10;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{ /* 16进制 */
|
|||
|
|
/* 求长度 */
|
|||
|
|
lBitValue=1;
|
|||
|
|
|
|||
|
|
/* 前导去0 */
|
|||
|
|
for (i = 0; i < 8; i++)
|
|||
|
|
{
|
|||
|
|
bTemp = pAscii[i + 2];
|
|||
|
|
if(bTemp!='0')
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
bZeroLen = i;
|
|||
|
|
for (; i < 8; i++)
|
|||
|
|
{
|
|||
|
|
bTemp=pAscii[i+2];
|
|||
|
|
if (((bTemp >= 'A') && (bTemp <= 'F')) ||
|
|||
|
|
((bTemp>='a')&&(bTemp<='f')) ||
|
|||
|
|
((bTemp>='0')&&(bTemp<='9')) )
|
|||
|
|
{
|
|||
|
|
lBitValue=lBitValue * 16;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
lBitValue = lBitValue / 16;
|
|||
|
|
if (lBitValue == 0)
|
|||
|
|
lBitValue = 1;
|
|||
|
|
bLen = i;
|
|||
|
|
for (i = bZeroLen; i < bLen; i++)
|
|||
|
|
{
|
|||
|
|
bTemp = pAscii[i + 2];
|
|||
|
|
if ((bTemp >= 'A') && (bTemp <= 'F'))
|
|||
|
|
{
|
|||
|
|
bTemp -= 0x37;
|
|||
|
|
}
|
|||
|
|
else if ((bTemp >= 'a') && (bTemp <= 'f'))
|
|||
|
|
{
|
|||
|
|
bTemp -= 0x57;
|
|||
|
|
}
|
|||
|
|
else if ((bTemp >= '0') && (bTemp <= '9'))
|
|||
|
|
{
|
|||
|
|
bTemp -= '0';
|
|||
|
|
}
|
|||
|
|
lResult += bTemp*lBitValue;
|
|||
|
|
lBitValue /= 16;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return lResult;
|
|||
|
|
}
|