基于STC15W408AS的串口DS1302时钟

#include "STC15W204S.h" #include <intrins.h> #define uint unsigned int #define u32 unsigned long int #define uchar unsigned char void Send_Byte_UART1(uchar dat) ; #include "DS1302.h" uint aa; struct sTime Time; //日期时间缓冲区 void Init_MCU() { EA = 1; //开总中断 // TMOD |= 0x22; //设定定时器1为16位自动重装方式 // TL1 = 0xfd; //设定定时初值 // TH1 = 0xfd; //设定定时初值 // // ET1 = 0; //禁止定时器1中断 ==1允许 // TR1 = 1; //启动定时器1 // // REN=1; // SM0=0; // SM1=1; SCON = 0x50; //8位数据,可变波特率 AUXR |= 0x04; //定时器2时钟为Fosc,即1T T2L = 0xE0; //设定定时初值 T2H = 0xFE; //设定定时初值 AUXR |= 0x01; //串口1选择定时器2为波特率发生器 AUXR |= 0x10; //启动定时器2 // TMOD|=0x01; //定時器0為模式1 // TH0=(65536-10000)/256; //裝高八位 // TL0=(65536-10000)%256; //裝低八位 // EA=1; //開總中斷 // ET0=1; //開定時器中斷 // TR0=1; //啟動定時器 // //100微秒@11.0592MHz // AUXR |= 0x80; //定时器时钟1T模式 // TMOD &= 0xF0; //设置定时器模式 // TL0 = 0xAE; //设置定时初值 // TH0 = 0xFB; //设置定时初值 // TF0 = 0; //清除TF0标志 // TR0 = 1; //定时器0开始计时 //5毫秒@11.0592MHz AUXR |= 0x80; //定时器时钟1T模式 TMOD &= 0xF0; //设置定时器模式 TL0 = 0x00; //设置定时初值 TH0 = 0x28; //设置定时初值 TF0 = 0; //清除TF0标志 TR0 = 1; //定时器0开始计时 ET0 = 1; P3M0=0; P3M1=0; } /*串口发送数据*/ void Send_Byte_UART1(uchar dat) { ES=0; SBUF=dat; while(!TI); TI=0; // ES =1; } void main() { uchar sec; struct sTime buftime; Init_MCU(); Init_DS1302 (); buftime.year=95; buftime.mon=1; buftime.day=6; buftime.hour=23; buftime.min=59; buftime.sec=55; Set_Time(&buftime); while(1) { Get_Time( &Time ); if(Time.sec!=sec) { sec=Time.sec; Send_Byte_UART1(Time.year/10+0x30); Send_Byte_UART1(Time.year%10+0x30); Send_Byte_UART1(' '); Send_Byte_UART1(Time.mon/10+0x30); Send_Byte_UART1(Time.mon%10+0x30); Send_Byte_UART1(' '); Send_Byte_UART1(Time.day/10+0x30); Send_Byte_UART1(Time.day%10+0x30); Send_Byte_UART1(' '); Send_Byte_UART1(Time.hour/10+0x30); Send_Byte_UART1(Time.hour%10+0x30); Send_Byte_UART1(' '); Send_Byte_UART1(Time.min/10+0x30); Send_Byte_UART1(Time.min%10+0x30); Send_Byte_UART1(' '); Send_Byte_UART1(Time.sec/10+0x30); Send_Byte_UART1(Time.sec%10+0x30); Send_Byte_UART1(' '); Send_Byte_UART1(Time.week/10+0x30); Send_Byte_UART1(Time.week%10+0x30); Send_Byte_UART1(' '); Send_Byte_UART1(Time.mon_CTC/10+0x30); Send_Byte_UART1(Time.mon_CTC%10+0x30); Send_Byte_UART1(' '); Send_Byte_UART1(Time.day_CTC/10+0x30); Send_Byte_UART1(Time.day_CTC%10+0x30); Send_Byte_UART1('\n'); } } } /*定时器0中断服务程序*/ void Timer_0() interrupt 1 { if((aa++)>=10000){aa=0;} //定时器记数 }