這是在課上要求做的“LCD顯示溫度日期時間（觸摸DS18B20溫度產生變化）”，文件中包含程序源代碼工程文件和DS18B20的詳細介紹- #include "pbdata.h"
- #define LCD_DB P0
- sbit LCD_EN=P2^7;
- sbit LCD_RS=P2^6;
- sbit LCD_RW=P2^5;
- unsigned char code cg_1602[]={ 0x08,0x0f,0x12,0x0f,0x0a,0x1f,0x02,0x02,
- 0x0f,0x09,0x0f,0x09,0x0f,0x09,0x11,0x00,
- 0x0f,0x09,0x09,0x0f,0x09,0x09,0x0f,0x00};//"ÄêÔÂÈÕ"
- void LCDBusy()
- {
- unsigned char busy;
- LCD_DB=0xff;
- LCD_RS=0;
- LCD_RW=1;
- do
- {
- LCD_EN=1;
- busy=LCD_DB;
- LCD_EN=0;
- }while(busy & 0x80);
- }
- void LCDWriteCmd(unsigned char cmd)
- {
- //LCDBusy();
- LCD_RW=0;
- LCD_RS=0;
- LCD_EN=1;
- LCD_DB=cmd;
- LCD_EN=0;
- delay_1ms(1);
- }
- void LCDWriteData(unsigned char dat)
- {
- //LCDBusy();
- LCD_RW=0;
- LCD_RS=1;
- LCD_EN=1;
- LCD_DB=dat;
- LCD_EN=0;
- delay_1ms(1);
- }
- void LCDInit()
- {
- LCDWriteCmd(0x38);
- delay_1ms(10);
- LCDWriteCmd(0x0c);
- delay_1ms(10);
- LCDWriteCmd(0x06);
- delay_1ms(10);
- LCDWriteCmd(0x01);
- delay_1ms(10);
- }
- void LCDSetCursor(unsigned char x,unsigned char y)
- {
- unsigned char addr;
- if(y==0)
- addr=0x00+x;
- else
- addr=0x40+x;
- LCDWriteCmd(addr | 0x80 );
-
- }
- void LCDDisp(unsigned char x,unsigned char y,unsigned char *str)
- {
- LCDSetCursor(x,y);
- while(*str!='\0')
- {
- LCDWriteData(*str++);
- }
-
- }
- void LCDDisp_char(unsigned char x,unsigned char y,unsigned char dat)
- {
- //LCDInit();
- LCDSetCursor(x,y);
- LCDWriteData(dat);
-
- }
- void write_cg()//дÈë¹Ì¶¨ºº×ֺͷûºÅ
- {
- unsigned char num;
- LCDWriteCmd(0x40); //É趨CGRAMµØÖ·
- for(num=0;num<24;num++) //½«×Ô¶¨Òå×ÖÐÍÂëдÈëCGRAMÖÐ
- {
- LCDWriteData(cg_1602[num]);
- }
- LCDWriteCmd(0x84);//Äê
- {
- LCDWriteData(0);
- }
- LCDWriteCmd(0x87);//ÔÂ
- {
- LCDWriteData(1);
- }
- LCDWriteCmd(0x8a);//ÈÕ
- {
- LCDWriteData(2);
- }
-
- LCDDisp(2,1,":");
- LCDDisp(5,1,":");
- }
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代碼: Keil程序:
LCD顯示溫度日期時間（自己程序）.zip
(130.76 KB, 下載次數: 0)
2025-6-16 17:44 上傳
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