ex4.c

工业控制,模拟量,数字量转化,采集数据,有模拟量,有数字量

char dlc_t_si(char *string,int posit)
{
 unsigned char returnchar;
 unsigned char midstring[10];
 string+=posit;
 midstring[0]=*string;
 string++;
 midstring[1]=*string;
 midstring[2]=0;
 sscanf(midstring,"%d\n",&returnchar);
 return returnchar;
}

float dlc_t_l(char *string,int posit)
{
long returnlong;
float returnfloat;
unsigned char midstring[10];
string+=posit;
midstring[0]=*(string+6);
midstring[1]=*(string+7);
midstring[2]=*(string+4);
midstring[3]=*(string+5);
midstring[4]=*(string+2);
midstring[5]=*(string+3);
midstring[6]=*string;
midstring[7]=*(string+1);
midstring[8]=0;
sscanf(midstring,"%d\n",&returnlong);
returnfloat=returnlong;
return returnfloat;
}
void main(void)
{
char dd[]="%01$RD3119181611034001000014\n";

}