com.c

来自「这个源代码是关于MCS-51的无线接收」· C语言 代码 · 共 19 行

#include"reg52.h"
//串口初始化
void init_serialcomm(void)
{   //PT1 = 1;					//定时器1高优先级
    SCON  = 0x50;       //SCON: serail mode 1, 8-bit UART, enable ucvr
    TMOD = 0x20;  //定时器1工作模式2
    PCON  = 0x80;       //SMOD=1; 
    TH1   = 0xF3;     //TL1=0xF4:2400 0xFA:4800 0xFD:9600 fosc=11.0592MHz(F4)  0xF3:2400  fosc=12MHz(F3)
    IE    = 0x00;       //Enable Serial Interrupt
    TR1   = 1;          // timer 1 run 
   // TI=1;
}
//向串口发送一个字符
void send_char_com(unsigned char ch)
{
    SBUF=ch;
    while(TI==0);
    TI=0;
}