PC与单片机双向通讯智能温控程序
#include <AT89X51.H>
#include <intrins.h>
#define key_up P1_0
#define Key_DOWN P1_1
#define Key_SET P1_2
#define RelayOutPort P2_0
#define LEDPort P0
#define DELPort P2_1
#define LEDTwoC P3_6
#define LEDThreeC P3_7
#define TMPort P2_7
#define INBUF_LEN 5 //数据长度
unsigned char inbuf1[INBUF_LEN]={ 0 , 0 , 0 , 0 , 0 } //发送缓冲区
unsigned char inbuf2[50] //接收缓冲区
unsigned char count3
void init_serialcomm( void )
{
SCON = 0x50 //SCON: serail mode 1, 8-bit UART, enable ucvr
TMOD |= 0x20 //TMOD: timer 1, mode 2, 8-bit reload
PCON |= 0x80 //SMOD=1
TH1 = 0xFA //Baud:4800 fosc=11.0592MHz
IE |= 0x90 //Enable Serial Interrupt
TR1 = 1 // timer 1 run
}
//向串口发送一个字符
void send_char_com( unsigned char ch)
{
SBUF=ch
while (TI== 0 )
TI= 0
标签：
include
intrins
define
key_up
上传时间：
2014-11-29
上传用户：风之骄子
