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一款以INTEL公司出品的80C51單片機為核心的自動售貨。以80C51作為CPU處理單元連接各個功能模塊；以4*4矩陣鍵盤作為輸入控制模塊對貨物進行種類和數量的選擇以及模擬貨幣的投入功能；以LCD1602液晶作為顯示模塊來顯示當前的購物狀態以及貨幣狀態；以LED的顯示來表示當前選擇貨物以及出貨的狀態。通過Protues7.5單片機電路原理圖進行連接布線連接各個模塊；再用Keil uVision3專業編譯軟件完成源程序編譯和調。
自動售貨機的仿真原理圖如下（proteus仿真工程文件可到本帖附件中下載）
自動售貨機的單片機源程序如下:
- #include<reg51.h>
- /*******************define*************************/
- #define WAIT_SALE 0 //定義1602顯示狀態
- #define NO_WATER 1
- #define INPUT_MONEY 2
- #define SALING 3
- #define CHANGE 4
- #define CANCLE 5
- #define NO_DATA 0
- #define water_change(x, y) ((x) & (~(0x01 << y))) //宏 控制水種類的切換
- #define uint unsigned int
- #define uchar unsigned char
- unsigned char water_total[] = {10, 10, 10, 10, 10, 10, 10, 10};
- unsigned char water_price[] = {1, 2, 3, 4, 5, 6, 7, 8};
- uchar code wait_sale[]="for sale"; //定義所顯示的內容
- uchar code no_water[] = "no water!";
- uchar code price[] = "price:";
- uchar code number[] = "num:";
- uchar code sum[] = "SUM:";
- uchar code input[] = "INPUT:";
- uchar code change[] = "change:";
- uchar code put_water[] = "put water...";
- uchar code cancle[] = "cancle...";
- unsigned char e=0x00;
- sbit P2_0=P2^0; //定義接端口
- sbit P2_1=P2^1;
- sbit P2_2=P2^2;
- sbit P2_3=P2^3;
- sbit lcd_en=P3^4;
- sbit rs=P3^2;
- sbit rw = P3^3;
- /****************************************************/
- /***********************function**********************************/
- /************lcd 1602*************************/
- void lcd_1602_delay(uint z) //延時
- {
- uint x,y;
- for(x=z;x>0;x--)
- for(y=110;y>0;y--);
- }
- void lcd_1602_write_com(uchar com) //寫命令
- {
- rs=0;
- rw=0;
- P2=com;
- lcd_1602_delay(5);
- lcd_en=1;
- lcd_1602_delay(5);
- lcd_en=0;
- }
- void lcd_1602_write_data(uchar date) //寫數據
- {
- rs=1;
- rw=0;
- P2=date;
- lcd_1602_delay(5);
- lcd_en=1;
- lcd_1602_delay(5);
- lcd_en=0;
- }
- void lcd_1602_init() //LCD1602初始化函數
- {
- lcd_en=0;
- lcd_1602_write_com(0x38);
- lcd_1602_write_com(0x0e);
- lcd_1602_write_com(0x06);
- lcd_1602_write_com(0x01);
- }
- void lcd_1602_wait_sure() //顯示'OK'&'NO'界面
- {
- lcd_1602_write_com(0x80+0x40);
- lcd_1602_write_data('O');
- lcd_1602_write_data('K');
-
- lcd_1602_write_com(0x80+0x4e);
- lcd_1602_write_data('N');
- lcd_1602_write_data('O');
- }
- void lcd_1602_show_num(uint num) // 1602顯示數字的函數
- {
- if(num <= 9)
- {
- lcd_1602_write_data('0'+num);
- lcd_1602_write_data(' ');
- }else if(num >= 10 )
- {
- lcd_1602_write_data('0'+num/10);
- lcd_1602_write_data('0'+num%10);
- }
- }
- void lcd1602_info_display(uint choose, uint num_type, uint num_count) //1602顯示函數
- {
- int num;
- lcd_1602_write_com(0x01);
- switch(choose)
- {
- case WAIT_SALE:
- lcd_1602_write_com(0x80+0x03); //
- for(num = 0; num < 8; num++)
- {
- lcd_1602_write_data(wait_sale[num]);
- }
- break;
- case NO_WATER:
- lcd_1602_write_com(0x80+0x03);
- for(num = 0; num < 9; num++)
- {
- lcd_1602_write_data(no_water[num]);
- }
- break;
- case SALING:
- //price
- lcd_1602_write_com(0x80+0x00);
- for(num = 0; num < 6; num++)
- {
- lcd_1602_write_data(price[num]);
- }
- lcd_1602_write_data('0'+(num_type+1));
- lcd_1602_write_data(' ');
- //number
- lcd_1602_write_data(' ');
- for(num = 0; num < 4; num++)
- {
- lcd_1602_write_data(number[num]);
- }
- lcd_1602_show_num(num_count);
-
-
- break;
- case INPUT_MONEY:
- //need money
- lcd_1602_write_com(0x80+0x00);
- for(num = 0; num < 4; num++)
- {
- lcd_1602_write_data(sum[num]);
- }
- lcd_1602_show_num(num_type);
- //input
- lcd_1602_write_data(' ');
- lcd_1602_write_data(' ');
- for(num = 0; num < 6; num++)
- {
- lcd_1602_write_data(input[num]);
- }
- lcd_1602_show_num(num_count);
- break;
- case CHANGE:
- if(!num_count)
- {
- //put water
- lcd_1602_write_com(0x80+0x02);
- for(num = 0; num < 13; num++)
- {
- lcd_1602_write_data(put_water[num]);
- }
- }
- else
- {
- //cancle water
- lcd_1602_write_com(0x80+0x02); //取消選擇時寫命令退幣
- for(num = 0; num < 9; num++)
- {
- lcd_1602_write_data(cancle[num]);
- }
- }
- //change
- lcd_1602_write_com(0x80+0x43);
- for(num = 0; num < 7; num++)
- {
- lcd_1602_write_data(change[num]);
- }
- lcd_1602_show_num(num_type);
- break;
- default:
- break;
- }
- lcd_1602_write_com(0x0c);
- }
- void lcd_1602_saling(uint type, uint num)
- {
- lcd1602_info_display(SALING, type, num);
- lcd_1602_wait_sure();
- }
- void lcd_1602_inputing(uint need, uint input)
- {
- lcd1602_info_display(INPUT_MONEY, need, input);
- lcd_1602_wait_sure();
- }
- /*************************************************/
- void delay1(unsigned int t) // 延時函數
- {
- unsigned int i,j;
- for(i=0;i<t;i++)
- for(j=0;j<10;j++);
- }
- void out_water() //推出水函數
- {
- int i, j = 100;
- while(j--)
- {
- for(i = 0; i < 8; i++)
- {
- P0 = water_change(0xff, i);
- delay1(50);
- }
- }
- P0 = 0xff;
- }
- unsigned char key(void) //按鍵響應函數
- {
- unsigned char key,key1,key2;
- P1=0XF0;
- if((P1&0XF0)!=0XF0) //ked down
- {
- delay1(10); //延時去抖動
- if((P1&0XF0)!=0XF0) //仍然有鍵按下
- {
- key1=P1&0XF0; //讀入列線值
- P1=0X0F;
- key2=P1&0X0F;
- key=key1|key2;
- switch(key) //按鍵映射
- {
- case 0xee: e=0x00;break;
- case 0xde: e=0x01;break;
- case 0xbe: e=0x02;break;
- case 0x7e: e=0x03; break;
- case 0xed: e=0x04;break;
- case 0xdd: e=0x05;break;
- case 0xbd: e=0x06;break;
- case 0x7d: e=0x07; break;
- case 0xeb: e=0x08;break;
- case 0xdb: e=0x09;break;
- case 0xbb: e=0x0a;break;
- case 0x7b: e=0x0b; break;
- case 0xe7: e=0x0c;break;
- case 0xd7: e=0x0d;break;
- case 0xb7: e=0x0e;break;
- case 0x77: e=0x0f; break;
- }
- while((P1&0X0F)!=0X0F);
- delay1(10);
- return 1;
- }
- }
- return 0;
- }
- /*********************************************************************/
- /*****************main********************************/
- void main()
- {
- unsigned char ok = 0, water_type = -1, water_is_choose = 0;
- char water_count = 0;
- unsigned int flag = 0, money = 0, need_money;
- lcd_1602_init();
- again:
- ok = 0; water_type = -1; water_count = 0; water_is_choose = 0;
- flag = 0; money = 0; need_money = 0;
- lcd1602_info_display(WAIT_SALE, 0, 0);
- while(!ok) //choose the water and count
- {
- flag=key();
- if(flag)
- {
- switch(e) //不同的按鍵進行不同的操作
- {
- case(0x00):
- water_type++;
- water_is_choose = 1;
- if(water_type == 8)
- {
- water_type = 0;
- }
- P0 = water_change(0xff, water_type);
- break;
- case(0x01):
- water_type--;
- water_is_choose = 1;
- if(water_type == -1 || water_type == -2)
- {
- water_type = 7;
- }
- P0 = water_change(0xff, water_type);
- break;
- case(0x02):
- if(water_is_choose == 1)
- {
- water_count++;
- if(water_count > water_total[water_type])
- {
- water_count = water_total[water_type];
- }
- }
- break;
- case(0x03):
- if(water_is_choose == 1)
- {
- water_count--;
- if(water_count < 0)
- {
- water_count = 0;
- }
- }
- break;
- case(0x0e): // 返回
- goto again;
- break;
- case(0x0f): // 確認
- if(water_is_choose == 1)
- {
- ok=1;
- }
- break;
- default:
- break;
- }
- lcd_1602_saling(water_type, water_count);
- }
- }
-
- //choose ok: calculate the money //計算錢的總數
- need_money = water_count * water_price[water_type];
- lcd_1602_inputing(need_money, money);
- ok = 0;
- while(!ok) //get money
- {
- flag=key();
- if(flag)
- {
- switch(e)
- {
- case(0x04):
- money=money+1;
- break;
- case(0x05):
- money=money+5;
- break;
- case(0x06):
- money=money+10;
- break;
- case(0x07):
- money=money+20;
- break;
- case(0x08):
- money=money+50;
- break;
- case(0x09):
- money=money+100;
- break;
- case(0x0e): //back lcd1602_info_display(CHANGE, money, CANCLE);
- P0 = 0xff;
- delay1(50000);
-
- ……………………
- …………限于本文篇幅 余下代碼請從51黑下載附件…………
所有資料51hei提供下載(論文+仿真+源碼):
售貨機.zip
(809.39 KB, 下載次數: 802)
2018-5-11 10:25 上傳
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