chen.c

字符型液晶显示程序字符型液晶显示程序 字符型液晶显示程序 字符型液晶显示程序

#include "chen.h"
#include "1602.c"
#include "PCF8563.C"
//------------------------------------------------------------------------------
void init(void)  //单片机初始化程序
{
    unsigned int i=0;
    WDTCTL=WDTPW+WDTHOLD;   //停止看门狗
    BCSCTL1=0x14;           //启动TX2,LFXT1工作在低频模式,ACLK为2分频
    do
    {
        IFG1&=~OFIFG;                     
        for (i=18000;i>0;i--);             
    }
    while ((IFG1&OFIFG));  //延时一段时间让XT2稳定                     
    BCSCTL2=0x88;//设置SMCLK和MCLK无分频，时钟源都是XT2    

    P1DIR=0xff;  //设置为输出太           
    P1OUT=0x00;  
    P1SEL=0x00;
    P2DIR=0x70;                        
    P2OUT=0x00;
    P2SEL=0x00;
    P3DIR=0x04;                          
    P3OUT=0;  
    P3SEL=0x00; 
    P4DIR=0x00;                         
    P4OUT=0;  
    P4SEL=0x00; 
    P5DIR=0xe0;
    P5OUT=0;
    P5SEL=0x00;
    P6DIR=0x00;
    P6OUT=0x00; 
    P6SEL=0x00; 

    _BIS_SR(SCG0); //关闭DCO振荡器
    _EINT();       //使能总中断
    
    LVC_DIR=0;    //默认为0
}
//------------------------------------------------------------------------------
void delay_s(unsigned char aa) //S延时程序
{
    unsigned int bb=0;
    unsigned char cc=0;
    while(aa--)
    {
        bb=1000;  //延时1S
        while(bb--)
        {
            cc=180;
            while(cc--); //1ms 
        }
    }
}
//------------------------------------------------------------------------------
void delay_ms(unsigned char aa) //MS延时程序
{
    unsigned char cc=0;
    while(aa--)
    {
        cc=180;
        while(cc--); //1ms  
    }
}
//------------------------------------------------------------------------------
void delay_us(unsigned char aa) //US延时程序
{
    while(aa--)
    {
        _NOP(); //延时1US
        _NOP();
        _NOP();
        _NOP();
        _NOP();
        _NOP();
        _NOP();
        _NOP();
    }
}
//------------------------------------------------------------------------------
void shizhuanasc(void) //把提取的时间显示出来
{
    unsigned char cc=0;
    unsigned char bb=0;
    unsigned char dd=0;
    unsigned char ee=0,ff=0;
    for(bb=0;bb<4;bb++) //显示日期
    {
        dd=bb*3;
        cc=rdata[bb]>>4;
        cc=cc+0x30;
        display_char(0,dd+2,cc);
        cc=rdata[bb]&0x0f;
        cc=cc+0x30;
        display_char(0,dd+3,cc);
        if(bb!=3)
            display_char(0,dd+4,'-');
    }
    for(bb=4;bb<7;bb++)//显示时间
    {
        ff=ee*3;
        cc=rdata[bb]>>4;
        cc=cc+0x30;
        display_char(1,ff+3,cc);
        cc=rdata[bb]&0x0f;
        cc=cc+0x30;
        display_char(1,ff+4,cc);
        if(bb!=6)
            display_char(1,ff+5,'-');
        ee++;
    }    
}
//------------------------------------------------------------------------------
void main(void)
{
    init();
    lcd_reset();   //1602初始化
    while(1)
    {
        delay_ms(200);
        GetPCF8563();
        shizhuanasc();
         if((P4IN_bit.P4IN_1==0)&&(biao1==0))
        {
            c8563t_init(); //时钟芯片初始化
            biao1=1;
        }
        if(P4IN_bit.P4IN_1==1) biao1=0;
    }
}
//------------------------------------------------------------------------------