最近接到一个ASCII码通讯的协议。以‘<’号开始,‘>’号结束,每个字段以竖线隔开
例如收到下面这串字符让设备工作就行了,时间为10分钟。
<typedef|A|10>
编程思路大概如下
#include <stdio.h>
#include <stdlib.h> //pause
#include <string.h> //strcpy
//需要解析的命令
const unsigned char WIFI_4G_Cmd[1][20] = {
"<typedef|A|10>", //运行时间10min
};
unsigned char TSET_BUF[20] = "<typedef|A|10>"; //UART接收到的BUF
int main()
{
unsigned char i;
char* p = NULL;
unsigned int RunTime = 0;
for (i = 0; i < sizeof(WIFI_4G_Cmd) / sizeof(WIFI_4G_Cmd[0]); i++) //循环查询
{
if ((p = strstr((char*)TSET_BUF, WIFI_4G_Cmd[i])) != NULL) //查询成功
{
switch (i)
{
case 0: //开机启动
{
p += strlen("<typedef|A|");
while (*p != '>')
{
if ((*p < '0') || (*p > '9')) //获得时间
{
break;
}
RunTime = RunTime * 10 + (*p - '0');
p++;
}
break;
}
default:
break;
}
}
}
printf("RunTime = %d\n", RunTime);
system("pause");
}