spio.c

来自「89c58接受PC窜口目标信号」· C语言 代码 · 共 367 行

/*spio.c*/
/*serial port operation*/
//send one char to com
#include "spio.h"
#include "reg51.h"
void send_char_com(unsigned char ch1)  
{	
    SBUF=ch1; 	
    while(TI==0);  /*wait to end*/
    TI=0;

}

//send one string to com
void send_string_com(unsigned char *str,unsigned int strlen)
{
    unsigned int k=0;
    do 
    {
        send_char_com(*(str + k));
        k++;
    }
    while(k < strlen);
}