基于51單片機的叫號系統仿真原理圖如下(proteus仿真工程文件可到本帖附件中下載)其實就是一個單片機控制的主從機通訊系統
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2018-4-30 00:56 上傳
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2018-4-30 00:56 上傳
單片機源程序如下:
- /*-----------------------------------------------
- 名稱:LCD1602
- 修改:無
- 內容:
- 引腳定義如下:1-VSS 2-VDD 3-V0 4-RS 5-R/W 6-E 7-14 DB0-DB7 15-BLA 16-BLK
- ------------------------------------------------*/
- /*------------------------------------------------
- 寫入字符函數
- ------------------------------------------------*/
- /* void LCD_Write_Char(unsigned char x,unsigned char y,unsigned char Data)
- {
- if (y == 0)
- {
- LCD_Write_Com(0x80 + x);
- }
- else
- {
- LCD_Write_Com(0xC0 + x);
- }
- LCD_Write_Data( Data);
- }*/
- /*------------------------------------------------
- 初始化函數
- ------------------------------------------------*/
- #include<reg52.h>
- #include<intrins.h>
- #include<stdio.h>
- #define CHECK_BUSY
- sbit RS = P2^4; //定義端口
- sbit RW = P2^5;
- sbit EN = P2^6;
- sbit key1=P1^0; //VIP 按鍵
- sbit key2=P1^1; //普通按鍵
- sbit key3=P1^2; //對公按鍵
- sbit key4=P1^3; //業務選擇按鍵
- float num0,num1,num2;
- int num3;
-
- #define RS_CLR RS=0
- #define RS_SET RS=1
- #define RW_CLR RW=0
- #define RW_SET RW=1
- #define EN_CLR EN=0
- #define EN_SET EN=1
- #define DataPort P0
- void DelayUs2x(unsigned char t)
- {
- while(--t);
- }
- /*------------------------------------------------
- mS延時函數,含有輸入參數 unsigned char t,無返回值
- unsigned char 是定義無符號字符變量,其值的范圍是
- 0~255 這里使用晶振12M,精確延時請使用匯編
- ------------------------------------------------*/
- void DelayMs(unsigned char t)
- {
-
- while(t--)
- {
- //大致延時1mS
- DelayUs2x(245);
- DelayUs2x(245);
- }
- }
- /*------------------------------------------------
- 判忙函數
- ------------------------------------------------*/
- bit LCD_Check_Busy(void)
- {
- #ifdef CHECK_BUSY
- DataPort= 0xFF;
- RS_CLR;
- RW_SET;
- EN_CLR;
- _nop_();
- EN_SET;
- return (bit)(DataPort & 0x80);
- #else
- return 0;
- #endif
- }
- /*------------------------------------------------
- 寫入命令函數
- ------------------------------------------------*/
- void LCD_Write_Com(unsigned char com)
- {
- // while(LCD_Check_Busy()); //忙則等待
- DelayMs(5);
- RS_CLR;
- RW_CLR;
- EN_SET;
- DataPort= com;
- _nop_();
- EN_CLR;
- }
- /*------------------------------------------------
- 寫入數據函數
- ------------------------------------------------*/
- void LCD_Write_Data(unsigned char Data)
- {
- //while(LCD_Check_Busy()); //忙則等待
- DelayMs(5);
- RS_SET;
- RW_CLR;
- EN_SET;
- DataPort= Data;
- _nop_();
- EN_CLR;
- }
- /*------------------------------------------------
- 清屏函數
- ------------------------------------------------*/
- void LCD_Clear(void)
- {
- LCD_Write_Com(0x01);
- DelayMs(5);
- }
- /*------------------------------------------------
- 寫入字符串函數
- ------------------------------------------------*/
- void LCD_Write_String(unsigned char x,unsigned char y,unsigned char *s)
- {
- if (y == 0)
- {
- LCD_Write_Com(0x80 + x); //表示第一行
- }
- else
- {
- LCD_Write_Com(0xC0 + x); //表示第二行
- }
- while (*s)
- {
- LCD_Write_Data( *s);
- s ++;
- }
- }
- void LCD_Init(void)
- {
- LCD_Write_Com(0x38); /*顯示模式設置*/
- DelayMs(5);
- LCD_Write_Com(0x38);
- DelayMs(5);
- LCD_Write_Com(0x38);
- DelayMs(5);
- LCD_Write_Com(0x38);
- LCD_Write_Com(0x08); /*顯示關閉*/
- LCD_Write_Com(0x01); /*顯示清屏*/
- LCD_Write_Com(0x06); /*顯示光標移動設置*/
- DelayMs(5);
- LCD_Write_Com(0x0C); /*顯示開及光標設置*/
- }
- void VIPdisplay()
- {
- char displaytemp[16];//定義顯示區域臨時存儲數組
- if(key1==0)
- {
- DelayMs(20);
- if(key1==0)
- {
-
- num0=num0+1;
- LCD_Write_String(0,0,"window1");
- sprintf(displaytemp,"VIP % 7.0f ",num0);//打印數值
- LCD_Write_String(0,1,displaytemp);//顯示第二行
- }
- if(num0==100)
- {
- LCD_Write_String(0,0,"Please wait!");
- num0=0;
- }
- while(!key1);
- DelayMs(20);
- while(!key1);
-
- }
- }
- void PUdisplay()
- {
- char displaytemp[16];//定義顯示區域臨時存儲數組
- if(key2==0)
- {
- DelayMs(20);
- if(key2==0)
- {
-
- num1=num1+1;
- LCD_Write_String(0,0,"window2");
- sprintf(displaytemp,"general % 7.0f",num1);//打印數值
- LCD_Write_String(0,1,displaytemp);//顯示第二行
- }
- if(num1==100)
- {
- LCD_Write_String(0,0,"Please wait!");
- num1=0;
- }
- while(!key2);
- DelayMs(20);
- while(!key2);
-
- }
- }
- void Dgdisplay()
- {
- char displaytemp[16];//定義顯示區域臨時存儲數組
- if(key3==0)
- {
- DelayMs(20);
- if(key3==0)
- {
-
- num2=num2+1;
- LCD_Write_String(0,0,"window3");
- sprintf(displaytemp,"public % 7.0f",num2);//打印數值
- LCD_Write_String(0,1,displaytemp);//顯示第二行
- }
- if(num2==100)
- {
- LCD_Write_String(0,0,"Please wait!");
- num2=0;
- }
- while(!key3);
- DelayMs(20);
- while(!key3);
- ……………………
- …………限于本文篇幅 余下代碼請從51黑下載附件…………
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所有資料51hei提供下載:
protues仿真.zip
(88.74 KB, 下載次數: 94)
2018-4-29 18:59 上傳
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