bcd处理小源码
作者:互联网
bcd处理小源码
#include <string>
#include <stdint.h>
void BCD2ASC(unsigned char *asc, const unsigned char *bcd, int len)
{
static unsigned char bcd2ascii[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
static unsigned char ascii2bcd1[10] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
static unsigned char ascii2bcd2[6] = { 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F };
unsigned char c = 0;
unsigned char i;
for (i = 0; i < len; i++) {
//first BCD
c = *bcd >> 4;
*asc++ = bcd2ascii[c];
//second
c = *bcd & 0x0f;
*asc++ = bcd2ascii[c];
bcd++;
}
}
static std::string BCD2ASC( const unsigned char *bcd, int len)
{
static unsigned char bcd2ascii[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
static unsigned char ascii2bcd1[10] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
static unsigned char ascii2bcd2[6] = { 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F };
unsigned char c = 0;
unsigned char i;
std::string asc;
for (i = 0; i < len; i++) {
//first BCD
c = *bcd >> 4;
asc.push_back( bcd2ascii[c]);
//second
c = *bcd & 0x0f;
asc.push_back( bcd2ascii[c]);
bcd++;
}
return asc;
}
#include <stdio.h>
int main(int argc, char const *argv[])
{
// unsigned char bcd[]={0x33,0xFF,0x55};
// unsigned char asc[100]={0};
// BCD2ASC(asc,bcd,sizeof(bcd));
// auto ch=BCD2ASC(bcd,sizeof(bcd));
// printf("%s\r\n",asc);
// printf("%s\r\n",ch.c_str());
const int POS_ADDR = 14;
const int POS_VERSION = 47;
uint8_t data[]={0x68,0x38,0x00,0xC1,0x01,0x00,0x00,0x00,0x00,0x00,0x03,0x02,0x01,0x51,0x30,0x00,0x00,0x00,0x00,0x28,0x28,0x00,0x80,0x04,0x80,0x04,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0xD0,0x07,0x00,0x00,0x21,0x03,0x13,0x21,0x03,0x13,0x59,0x52,0x54,0x41,0x30,0x06,0x21,0x99,0x01,0x00,0x00,0x07,0x16};
std::string master_ver;
master_ver.clear();
static unsigned char bcd2ascii[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
unsigned char * bcd=(uint8_t *)(data + POS_VERSION+2);
master_ver.push_back( bcd2ascii[*bcd >> 4]);
master_ver.push_back( bcd2ascii[*bcd & 0x0f ]);
bcd=(uint8_t *)(data + POS_VERSION+1);
master_ver.push_back( bcd2ascii[*bcd >> 4]);
master_ver.push_back( bcd2ascii[*bcd & 0x0f ]);
bcd=data + POS_VERSION;
master_ver.push_back( bcd2ascii[*bcd >> 4]);
master_ver.push_back( bcd2ascii[*bcd & 0x0f ]);
bcd=data + POS_VERSION+3;
master_ver.push_back( bcd2ascii[*bcd >> 4]);
master_ver.push_back( bcd2ascii[*bcd & 0x0f ]);
bcd=data + POS_VERSION+4;
master_ver.push_back( bcd2ascii[*bcd >> 4]);
master_ver.push_back( bcd2ascii[*bcd & 0x0f ]);
printf("%s\r\n",master_ver.c_str());
return 0;
}
标签:ver,bcd,0x00,unsigned,char,处理,源码,bcd2ascii 来源: https://www.cnblogs.com/zongzi10010/p/15430384.html