关于串口通信数据处理问题 我用的serial port类做的串口通信,现在接收到数据后,如何把数据中的某一位上的数据提取出来转成二进制数显示 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 cstring stremp.Format("%02X ",bt); bt是byte类型的 _itot( (bVal & bMask), stBuff, 2) 仅供参考:#include <stdio.h>#include <stdlib.h>#include <string.h>#include <locale.h>int main() { int i,v; char bs[33]; char b[33]; char hs[9]; char h[9]; char s[4]; char *e;// 十进制整数转二进制串; i=1024; ltoa(i,b,2); sprintf(bs,"%032s",b); printf("i=%d,bs=%s\n",i,bs);// 十进制整数转十六进制串; i=1024; ltoa(i,h,16); sprintf(hs,"%08s",h); printf("i=%d,hs=%s\n",i,hs);// 十六进制字符串转成十进制数 strcpy(hs,"00000400"); sscanf(hs,"%x",&i); printf("hs=%s,i=%d\n",hs,i);// 二进制字符串转化为十六进制字符串; strcpy(bs,"00000000000000000000010000000000"); i=strtol(bs,&e,2); ltoa(i,h,16); sprintf(hs,"%08s",h); printf("bs=%s,hs=%s\n",bs,hs);// 二进制字符串转化为十进制数; strcpy(bs,"00000000000000000000010000000000"); i=strtol(bs,&e,2); printf("bs=%s,i=%d\n",bs,i);// 十六进制字符串转成二进制串 strcpy(hs,"00000400"); sscanf(hs,"%x",&i); ltoa(i,b,2); sprintf(bs,"%032s",b); printf("hs=%s,bs=%s\n",hs,bs);// ASC\GBK字符串转十六进制串 strcpy(s,"a汉"); i=0; while (1) { if (0==s[i]) break; sprintf(hs+i*2,"%02X",(unsigned char)s[i]); i++; } setlocale(LC_ALL,"chs"); printf("s=%s,hs=%s\n",s,hs);// 十六进制字符串转成汉字(GBK)及字符(ASC) strcpy(hs,"61BABA"); i=0; while (1) { if (1!=sscanf(hs+i*2,"%2x",&v)) break; s[i]=(char)v; i++; } s[i]=0; printf("hs=%s,s=%s\n",hs,s); return 0;}//i=1024,bs=00000000000000000000010000000000//i=1024,hs=00000400//hs=00000400,i=1024//bs=00000000000000000000010000000000,hs=00000400//bs=00000000000000000000010000000000,i=1024//hs=00000400,bs=00000000000000000000010000000000//s=a汉,hs=61BABA//hs=61BABA,s=a汉 关于edit计算的问题 socket,client指定端口 技术性散分……要考马克思了……烦…… 如何把一个文件传输到网站的指定目录下?(ftp或其他都可,只要告诉我做的方法) 有两个函数无法理解,请帮忙一下。 基于对话框应用程序的问题 喜欢COM/COM+/ALT的请加如这个群:13470240 UP者也有分! VC/MFC版主删帖记录处 有无好的类似GRIDCTRL的控件?找了几个总是发现有这样那样的问题. 组件中自定义结构编译的问题 MFC菜鸟请教 新人求助,二值化的图片,怎么算里面黑色条纹斜率。
#include <stdlib.h>
#include <string.h>
#include <locale.h>
int main() {
int i,v;
char bs[33];
char b[33];
char hs[9];
char h[9];
char s[4];
char *e;// 十进制整数转二进制串;
i=1024;
ltoa(i,b,2);
sprintf(bs,"%032s",b);
printf("i=%d,bs=%s\n",i,bs);
// 十进制整数转十六进制串;
i=1024;
ltoa(i,h,16);
sprintf(hs,"%08s",h);
printf("i=%d,hs=%s\n",i,hs);
// 十六进制字符串转成十进制数
strcpy(hs,"00000400");
sscanf(hs,"%x",&i);
printf("hs=%s,i=%d\n",hs,i);
// 二进制字符串转化为十六进制字符串;
strcpy(bs,"00000000000000000000010000000000");
i=strtol(bs,&e,2);
ltoa(i,h,16);
sprintf(hs,"%08s",h);
printf("bs=%s,hs=%s\n",bs,hs);
// 二进制字符串转化为十进制数;
strcpy(bs,"00000000000000000000010000000000");
i=strtol(bs,&e,2);
printf("bs=%s,i=%d\n",bs,i);
// 十六进制字符串转成二进制串
strcpy(hs,"00000400");
sscanf(hs,"%x",&i);
ltoa(i,b,2);
sprintf(bs,"%032s",b);
printf("hs=%s,bs=%s\n",hs,bs);
// ASC\GBK字符串转十六进制串
strcpy(s,"a汉");
i=0;
while (1) {
if (0==s[i]) break;
sprintf(hs+i*2,"%02X",(unsigned char)s[i]);
i++;
}
setlocale(LC_ALL,"chs");
printf("s=%s,hs=%s\n",s,hs);
// 十六进制字符串转成汉字(GBK)及字符(ASC)
strcpy(hs,"61BABA");
i=0;
while (1) {
if (1!=sscanf(hs+i*2,"%2x",&v)) break;
s[i]=(char)v;
i++;
}
s[i]=0;
printf("hs=%s,s=%s\n",hs,s); return 0;}
//i=1024,bs=00000000000000000000010000000000
//i=1024,hs=00000400
//hs=00000400,i=1024
//bs=00000000000000000000010000000000,hs=00000400
//bs=00000000000000000000010000000000,i=1024
//hs=00000400,bs=00000000000000000000010000000000
//s=a汉,hs=61BABA
//hs=61BABA,s=a汉