12864串行显示方式

ID:374056 · 发表于 2018-7-18 14:30

#include <reg52.h>
#include <stdlib.h>
#include <intrins.h>
#include <stdio.h>

#define uchar unsigned char
#define uint  unsigned int
sbit CS  = P1^0;  //RS
sbit SID = P1^1;  //RW
sbit SCK = P1^2;  //E
uchar code AC_TABLE[]={
0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87, //???????
0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97, //???????
0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f, //???????
0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f, //???????
};

#define WS 0x80
#define WMi 0x82
#define WH 0x84
#define WD 0x86
#define WMo 0x88
#define WW 0x8A
#define WY 0x8C
#define WP 0x8E

#define RS 0x81
#define RMi 0x83
#define RH 0x85
#define RD 0x87
#define RMo 0x89
#define RW 0x8B
#define RY 0x8D
#define RP 0x8F

uchar sec,min,hour,day,mon,week,year;

sbit SCLK = P3^5;
sbit DIO = P3^6;
sbit RST = P3^7;

void InitDS1302();
uchar DS1302Read(uchar cmd);
void DS1302Write(uchar cmd,uchar dat);
void DS1302WriteByte(uchar dat);
uchar DS1302ReadByte();
void ReadTime();
void display();
void delay();

uchar code tables[]={0x77,0x14,0xb3,0xb6,0xd4,0xe6,0xe7,0x34,0xf7,0xf6,0x80,0x00};

/******************************** ???? :SendByte  ????????*****/
void SendByte(uchar Dbyte)
{
   uchar i;
   for(i=0;i<8;i++)
   {
         SCK = 0;
         Dbyte=Dbyte<<1;
         SID = CY;
         SCK = 1;
         SCK = 0;
   }
}

/***********??????***/
uchar ReceiveByte(void)
{
   uchar i,temp1,temp2;
   temp1 = 0;
   temp2 = 0;
   for(i=0;i<8;i++)
   {
         temp1=temp1<<1;
         SCK = 0;
         SCK = 1;
         SCK = 0;
         if(SID) temp1++;
   }
   for(i=0;i<8;i++)
   {
         temp2=temp2<<1;
         SCK = 0;
         SCK = 1;
         SCK = 0;
         if(SID) temp2++;
   }
   return ((0xf0&temp1)+(0x0f&temp2));
}

void CheckBusy( void )
{
   do SendByte(0xfc);
   while(0x80&ReceiveByte());
}

void WriteCommand(uchar Cbyte )
{
   CS = 1;
   CheckBusy();
   SendByte(0xf8);
   SendByte(0xf0&Cbyte);
   SendByte(0xf0&Cbyte<<4);
   CS = 0;
}

void WriteData(uchar Dbyte )
{
   CS = 1;
   CheckBusy();
   SendByte(0xfa);
   SendByte(0xf0&Dbyte);
   SendByte(0xf0&Dbyte<<4);
   CS = 0;
}

uchar ReadData( void )
{
   CheckBusy();
   SendByte(0xfe);
   return ReceiveByte();
}

void Delay(uint MS)
{
   uchar us,usn;
   while(MS!=0)
   {
      usn = 2;
      while(usn!=0)
      {
         us = 0xf5;
         while (us!=0)
         {
            us--;
         };
         usn--;
         }
      MS--;
   }
}

void LcmInit( void )
{
   WriteCommand(0x30);
   WriteCommand(0x03);
   WriteCommand(0x0C);
   WriteCommand(0x01);
   WriteCommand(0x06);
}

void LcmClearTXT( void )
{
   uchar i;
   WriteCommand(0x30);
   WriteCommand(0x80);
   for(i=0;i<64;i++)
   WriteData(0x20);
}

void PutStr(uchar row,uchar col,uchar *puts)
{
   WriteCommand(0x30);
   WriteCommand(AC_TABLE[8*row+col]);
   while(*puts != '\0')
   {
         if(col==8)
         {
               col='0';
               row++;
         }
         if(row==4) row='0';
         WriteCommand(AC_TABLE[8*row+col]);
         WriteData(*puts);
         puts++;
         WriteData(*puts);
         puts++;
         col++;
   }
}

void Putchar(uchar row,uchar col,uchar puts)
{
   uchar a,b,c;
   WriteCommand(0x30);
   WriteCommand(AC_TABLE[8*row+col]);
   if(col==8)
         {
               col='0';
               row++;
         }
         if(row==4) row='0';
         WriteCommand(AC_TABLE[8*row+col]);
// a=puts/100;
   b=puts/10;
   c=puts%10;
         WriteData(b);
   col++;
   WriteData(a);

}

void DisplayDots(uchar DotByte)
{
   uchar i,j;
   WriteCommand(0x34);
   WriteCommand(0x36);
   for(i=0;i<32;i++)
   {
         WriteCommand(0x80|i);
         WriteCommand(0x80);
         for(j=0;j<32;j++)
         {
            WriteData(DotByte);
         }
         DotByte=~DotByte;
   }
}

uchar str0[]="2001-07-01";
uchar str1[]="12:11:11";
void main( void )
{
   Delay(100);
   //InitDS1302();
   LcmInit();
   LcmClearTXT();
   while(1)
   {
ReadTime();;
str0[2] = year/10+48;
   str0[3] = year%10+48;
   str0[5] = mon/10+48;
   str0[6] = mon%10+48;
   str0[8] = day/10+48;
   str0[9] = day%10+48;
   str1[0] = hour/10+48;
   str1[1] = hour%10+48;
   str1[3] = min/10+48;
   str1[4] = min%10+48;
   str1[6] = sec/10+48;
   str1[7] = sec%10+48;
      PutStr(2,0,str1);
      PutStr(3,0,str0);
   }
}

uchar DS1302Read(uchar cmd){
uchar dat;
RST = 0;
SCLK = 0;
RST = 1;
DS1302WriteByte(cmd);
dat = DS1302ReadByte();
SCLK = 1;
RST = 0;
return dat;
}

void DS1302Write(uchar cmd,uchar dat){
RST = 0;
SCLK = 0;
RST =1;
DS1302WriteByte(cmd);
DS1302WriteByte(dat);
SCLK = 1;
RST = 0;
}

void DS1302WriteByte(uchar dat){
uchar i;
SCLK = 0;
for(i=0;i<8;i++){
DIO = dat&0x01;
SCLK = 1;
SCLK = 0;
dat>>=1;
}
}

uchar DS1302ReadByte(){
uchar i,dat;
for(i=0;i<8;i++){
dat>>=1;
if(DIO==1)dat|=0x80;
SCLK = 1;
SCLK = 0;
}
return dat;
}

void InitDS1302(){
DS1302Write(WP,0x00);
DS1302Write(WS,0x80);
DS1302Write(WMi,0x10);
DS1302Write(WH,0x10);
DS1302Write(WD,0x17);
DS1302Write(WMo,0x07);
DS1302Write(WW,0x02);
DS1302Write(WY,0x18);
DS1302Write(WS,0x00);
DS1302Write(WP,0x80);
}

void ReadTime(){
uchar temp;
temp = DS1302Read(RS);
sec = (temp&0x0F)+((temp&0x70)>>4)*10;
temp =DS1302Read(RMi);
min = (temp&0x0F)+((temp&0x70)>>4)*10;
temp =DS1302Read(RH);
hour = (temp&0x0F)+((temp&0x30)>>4)*10;
temp =DS1302Read(RD);
day = (temp&0x0F)+((temp&0x30)>>4)*10;
temp =DS1302Read(RMo);
mon = (temp&0x0F)+((temp&0x10)>>4)*10;
temp =DS1302Read(RW);
week = temp&0x07;
temp =DS1302Read(RY);
year = (temp&0x0F)+(temp>>4)*10;
}

void display(){
SBUF = tables[sec%10];
while(!TI);
TI = 0;
SBUF = tables[sec/10];
while(!TI);
TI = 0;
SBUF = tables[day%10];
while(!TI);
TI = 0;
SBUF = tables[day/10];
while(!TI);
TI = 0;
SBUF = tables[mon%10];
while(!TI);
TI = 0;
SBUF = tables[mon/10];
while(!TI);
TI = 0;
SBUF = tables[year%10];
while(!TI);
TI = 0;
SBUF = tables[year/10];
while(!TI);
TI = 0;
}

void delay(){
unsigned int i,j;
for(i=0;i<1000;i++){
for(j=0;j<333;j++);
}
}

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