單片機出租車計價器程序及原理圖
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1、#include
2、0 //X方向,半屏64列,0 1 C5 C4 C3 C2 C1 C0 ,0到63列選擇 /*P2+P0口16位編址,有效位是P2.3~P2.0,無關位用“1”表示 P2.0--RS,P2.1--RW,P2.2--CS2,P2.3--CS1 右屏命令和數(shù)據(jù)讀寫編址 CS2 CS1 RW RS*/ #define LLCD_CMD_WR XBYTE[0xf4ff] //0 1 0 0 #define LLCD_DAT_WR XBYTE[0xf5ff] //0 1 0 1 #define LLCD_CMD_RD XBYTE[0x
3、f6ff] //0 1 1 0 #define LLCD_DAT_RD XBYTE[0xf7ff] //0 1 1 1 /*左屏命令和數(shù)據(jù)讀寫編址*/ #define RLCD_CMD_WR XBYTE[0xf8ff] //1 0 0 0 #define RLCD_DAT_WR XBYTE[0xf9ff] //1 0 0 1 #define RLCD_CMD_RD XBYTE[0xfaff] //1 0 1 0 #define RLCD_DAT_RD XBYTE[0xfbff] //1 0 1
4、 1 /**********************數(shù)據(jù)坐標記錄************************** 左-路程:整數(shù)部分 x=9,y=1,小數(shù)部分 x=31,y=1 左-路程費用:整數(shù)部分 x=9,y=3,小數(shù)部分 x=31,y=3 總費用:整數(shù)部分-左:x=45,y=5 路程單價:x=34,y=7 右-時間:整數(shù)部分 x=20,y=1 右-時間費用:整數(shù)部分 x=10,y=3,小數(shù)部分 x=32,y=3 總費用:小數(shù)部分-右:x=2,y=5 時間單價:x=44,y=7 ***************************************
5、**********************/ #define L_Mile_X_Z 9 #define L_Mile_X_D 30 #define L_Mile_Y 1 #define L_Cost_X_Z 9 #define L_Cost_X_D 30 #define L_Cost_Y 3 #define L_Total_X 45 #define L_Total_Y 5 #define L_Unit_X 34 #define L_Unit_Y 7 #define R_Time_X 20 #define R_Time_Y
6、 1 #define R_Cost_X_Z 10 #define R_Cost_X_D 31 #define R_Cost_Y 3 #define R_Total_X 2 #define R_Total_Y 5 #define R_Unit_X 44 #define R_Unit_Y 7 sbit LED=P2^7 ; sbit START=P1^0; sbit STOP=P1^1; sbit CLEAR=P1^2; sbit MUINT_UP=P1^4; sbit MUINT_D=P1^5; sbit TUINT_UP=
7、P1^6; sbit TUINT_D=P1^7; uchar Mile_Unit=4,Time_Unit=2; long time_cost,time_cost_Z,time_cost_D,time_con_s,time_con_m; long mile_cost,mile_cost_Z,mile_cost_D,mile_con_m,mile_con_km; long speed_con,speed_con_m,speed,speed_flag,cost_flag; long total_z=5,total_d; code char shu[10][6]={ 0x
8、3E,0x41,0x41,0x41,0x3E,0x00, //0 0x00,0x42,0x7F,0x40,0x00,0x00, //1 0x42,0x61,0x51,0x49,0x46,0x00, //2 0x22,0x41,0x49,0x49,0x36,0x00, //3 0x38,0x24,0x22,0x7F,0x20,0x00, //4 0x27,0x45,0x45,0x45,0x39,0x00, //5 0x3E,0x45,0x45,0x45,0x38,0x00, //6 0x01,0x01,0x79,0x05,0x03,0x00, //7
9、 0x36,0x49,0x49,0x49,0x36,0x00, //8 0x0E,0x51,0x51,0x51,0x3E,0x00, //9 }; /*************************初始化界面*****************************/ code uchar logo[]= { 0xFF,0x07,0x03,0xE1,0x11,0x09,0x09,0x09,0x08,0x09,0x09,0x09,0x09,0x09,0x09,0x09, 0x08,0x09,0x09,0x09,0x09,0x09,0x09,0x09,0x08,0x09,
10、0x09,0x09,0x09,0x09,0x09,0x09, 0x08,0x09,0x09,0x09,0x09,0x09,0x09,0x09,0x08,0x09,0x09,0x09,0x09,0x09,0x09,0x09, 0x08,0x09,0x09,0x09,0x09,0x09,0x09,0x09,0x08,0x09,0x09,0x11,0xE1,0x03,0x07,0xFF, 0xFF,0x07,0x03,0xE1,0x11,0x09,0x09,0x09,0x08,0x09,0x09,0x09,0x09,0x09,0x09,0x09, 0x08,0x09,0x09,0x09,0x
11、09,0x09,0x09,0x09,0x08,0x09,0x09,0x09,0x09,0x09,0x09,0x09, 0x08,0x09,0x09,0x09,0x09,0x09,0x09,0x09,0x08,0x09,0x09,0x09,0x09,0x09,0x09,0x09, 0x08,0x09,0x09,0x09,0x09,0x09,0x09,0x09,0x08,0x09,0x09,0x11,0xE1,0x03,0x07,0xFF, 0xFE,0x00,0x00,0xFF,0x00,0x7E,0x3C,0x18,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0
12、x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0xC0,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0xFE,0x10,0x28,0x44,0x82,0x00,0xF8,0x08,0xF8,0x08,0xF8,0x00,0xFF,0x00,0x00,0xFF, 0xFF,0x00,0x00,0xFF,0x00,0x7E,0x3C,0x18,0x00,0x0
13、0,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFE,0x04, 0xF8,0x04,0xFE,0x00,0xF4,0x00,0xF8,0x08,0xF8,0x08,0xF8,0x00,0xFF,0x00,0x00,0xFE, 0xFE,0x00,0x00,0xFF,
14、0x00,0x00,0x00,0x00,0x00,0x02,0x02,0x02,0x02,0x02,0x00,0x02, 0x02,0x02,0x02,0x02,0x00,0x02,0x02,0x02,0x02,0x02,0x00,0x00,0x00,0x00,0x02,0x02, 0x02,0x02,0x02,0x00,0x02,0x02,0x02,0x02,0x02,0x00,0x02,0x02,0x02,0x02,0x02,0x00, 0x00,0x00,0x40,0x80,0x00,0x00,0x00,0x80,0x40,0x00,0x00,0x00,0xFF,0x00,0x00
15、,0xFF, 0xFF,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x02,0x02,0x02,0x02,0x02,0x00,0x02,0x02,0x02,0x02,0x02,0x00, 0x02,0x02,0x02,0x02,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x40,0x80,0x00,0x00,0x00,0x80,0x40,0
16、x00,0x00,0x00,0xFF,0x00,0x00,0xFE, 0xFE,0x00,0x00,0xFF,0x00,0xFC,0x78,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x60,0x60,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x12,0x1
17、2,0x13,0x7E,0x13,0x12,0x12,0x00,0x00,0x00,0xFF,0x00,0x00,0xFF, 0xFF,0x00,0x00,0xFF,0x00,0xFC,0x78,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x60,0x60,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x
18、00,0x00, 0x00,0x00,0x12,0x12,0x13,0x7E,0x13,0x12,0x12,0x00,0x00,0x00,0xFF,0x00,0x00,0xFE, 0xFE,0x00,0x00,0x01,0x02,0x04,0x04,0x04,0x04,0x05,0x05,0x05,0x05,0x05,0x04,0x05, 0x05,0x05,0x05,0x05,0x04,0x05,0x05,0x05,0x05,0xC5,0x24,0x14,0x14,0x14,0x15,0x15, 0x15,0x15,0x15,0x14,0x15,0x15,0x15,0x15,0x15
19、,0x14,0x15,0x15,0x15,0x15,0x15,0x14, 0x14,0x14,0x14,0x14,0x14,0x14,0x14,0x14,0x14,0x14,0x14,0x12,0x11,0x10,0x10,0x1F, 0x1F,0x10,0x10,0x11,0x12,0x14,0x14,0x14,0x14,0x14,0x15,0x15,0x15,0x15,0x15,0x14, 0x15,0x15,0x15,0x15,0x15,0x14,0x15,0x15,0x15,0x15,0x15,0x14,0x14,0x14,0x14,0x15, 0x15,0x15,0x15,0
20、x15,0x14,0x15,0x25,0xC5,0x05,0x05,0x04,0x05,0x05,0x05,0x05,0x05, 0x05,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x02,0x01,0x00,0x00,0xFE, 0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0xFF,
21、0x7E,0x3C, 0x18,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x60, 0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x
22、00,0x00,0x00,0x00,0x00,0x49,0x4A,0x4C, 0xF8,0x4C,0x4A,0x49,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFE, 0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00
23、,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x04,0x04,0x04,0x04,0x04, 0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x05,0x05,0x05, 0x05,0x05,0x04,0x05,0x05,0x05,0x05,0x05,0x04,0x05,0x05,0x05,0x05,0x05,0x04,0xFC, 0xFC,0x04,0x05,0x05,0x05,0x05,0x05,0x04,0x05,0x05,0x05,0x05,0x05,0x0
24、4,0x05,0x05, 0x05,0x05,0x05,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04, 0x05,0x04,0x04,0x04,0x04,0x04,0x02,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFE, 0xFE,0xE0,0xC0,0x80,0x80,0x80,0x80,0x80,
25、0x00,0x80,0x80,0x80,0x80,0x80,0x9E,0xA0, 0x20,0x9E,0x80,0xBC,0x82,0x82,0xBC,0x80,0x3D,0x80,0x84,0x9E,0xA4,0xA4,0x80,0xB6, 0x36,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x3E,0x41,0x41,0x41, 0x3E,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x80,0xC0,0xE0,0xFF, 0xFF,0xE0,0x
26、C0,0x80,0x80,0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x80,0x80,0x9E,0xA0, 0x20,0x9E,0x80,0xBC,0x82,0x82,0xBC,0x80,0x3D,0x80,0x84,0x9E,0xA4,0xA4,0x80,0xB6, 0x36,0x80,0x80,0x3E,0x41,0x41,0x41,0x3E,0x00,0x30,0x30,0x00,0x00,0x00,0x00,0x00, 0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x80,0
27、xC0,0xE0,0xFE, }; /************************************************************* 寫命令 *************************************************************/ void lcd_cmd_wr(uchar cmdcode,uchar right) { if(right) RLCD_CMD_WR=cmdcode; else LLCD_CMD_WR=cmdcode; } /*************************
28、************************************ 寫數(shù)據(jù) *************************************************************/ void lcd_data_wr(uchar dispdata,uchar right) { if(right) RLCD_DAT_WR=dispdata; else LLCD_DAT_WR=dispdata; } /************************************************************* 數(shù)據(jù)清屏
29、 *************************************************************/ void lcd_clr(void) { uchar i,j; for(i=0;i<8;i++) { lcd_cmd_wr(SETY+i,0); lcd_cmd_wr(SETX,0); lcd_cmd_wr(SETY+i,1); lcd_cmd_wr(SETX,1); for(j=0;j<64;j++) { lcd_data_wr(0,0); lcd_data_wr(0,1); } } }
30、 /************************************************************* 寫一個數(shù)字 *************************************************************/ void lcd_shu_wr(uchar w,uchar x,uchar y,uchar shu_1) { uchar i; lcd_cmd_wr(SETY+y,w); lcd_cmd_wr(SETX+x,w); for(i=0;i<6;i++) lcd_data_wr(shu[shu_1][i],
31、w); } /************************************************************* 寫一個三個數(shù)字 *************************************************************/ void lcd_sanshu_wr(uchar w,uchar x,uchar y,uint str) { uint bai,shi,ge; bai=str/100; shi=(str%100)/10; ge=str%10; lcd_shu_wr(w,x,y,bai);
32、 lcd_shu_wr(w,x+6,y,shi); lcd_shu_wr(w,x+12,y,ge); } /************************************************************* 寫一貞128X64點的圖片顯示 *************************************************************/ void lcd_bmp_wr(uchar *bmp) { uchar i,j; for(i=0;i<8;i++) { lcd_cmd_wr(SETY+i,0); lc
33、d_cmd_wr(SETX,0); lcd_cmd_wr(SETY+i,1); lcd_cmd_wr(SETX,1); for(j=0;j<64;j++) { lcd_data_wr(bmp[128*i+j],0); lcd_data_wr(bmp[128*i+j+64],1); } } } /************************************************************* 延時函數(shù) *****************************************************
34、********/ DelayNms(uint y) { uint x; for(;y>0;y--) for(x=113;x>0;x--); } /************************************************************* LCD初始化 *************************************************************/ void lcd_init(void) { lcd_cmd_wr(DISPON,0); lcd_cmd_wr(FIRSTROW,0); lcd_c
35、md_wr(SETY,0); lcd_cmd_wr(SETX,0); lcd_cmd_wr(DISPON,1); lcd_cmd_wr(FIRSTROW,1); lcd_cmd_wr(SETY,1); lcd_cmd_wr(SETX,1); lcd_clr(); DelayNms(500); lcd_bmp_wr(logo); //welcome_init(); } /************************************************************** 初始化中斷,定時器等 ****************
36、**********************************************/ void interrput_init() { IT0=1; //外部中斷0觸發(fā)方式:邊沿觸發(fā) EX0=1; //開外部中斷0 ET0=1; //開定時器中斷0 ET1=1; //開定時器中斷1 //EA=1; //開部中斷 TMOD=0x11; //00010001 TH0=(65535-50000)/256; TL0=(65535-50000)%256; TR0=1; TH1=(65535-50000)/256; TL1=(65535
37、-50000)%256; TR1=0; } /************************************************************** 顯示數(shù)據(jù) **************************************************************/ void display() { lcd_sanshu_wr(0,L_Mile_X_Z,L_Mile_Y,mile_con_km); //寫行駛路程 lcd_sanshu_wr(0,L_Mile_X_D,L_Mile_Y,mile_con_m);
38、 lcd_sanshu_wr(0,L_Cost_X_Z,L_Cost_Y,mile_cost_Z); //寫路程費用 lcd_sanshu_wr(0,L_Cost_X_D,L_Cost_Y,mile_cost_D); lcd_sanshu_wr(0,L_Total_X,L_Total_Y,total_z); //寫總費用整數(shù)部分 lcd_shu_wr(0,L_Unit_X,L_Unit_Y,Mile_Unit); //寫路程單價 lcd_sanshu_wr(1,R_Time_X,R_Time_Y,time_con_m); //寫行駛時間 lcd_san
39、shu_wr(1,R_Cost_X_Z,R_Cost_Y,time_cost_Z); //寫時間費用 lcd_shu_wr(1,R_Cost_X_D,R_Cost_Y,time_cost_D); lcd_sanshu_wr(1,R_Total_X,R_Total_Y,total_d); //寫總費用小數(shù)部分 lcd_shu_wr(1,R_Unit_X,R_Unit_Y,Time_Unit); //寫時間單價 } /************************************************************* 鍵盤輸入 *********
40、*****************************************************/ void keyboard() { P1=0xff; if(P1!=0xff) { DelayNms(1); if(P1!=0xff) { if(!START) EA=1; if(!STOP) EA=0; if(!CLEAR) { mile_con_km=0; mile_con_m=0; mile_cost_Z=0; mile_cost_D=0; total_z=5;
41、 time_con_m=0; time_cost_Z=0; time_cost_D=0; total_d=0; display(); } if(!MUINT_UP) { Mile_Unit++; while(!MUINT_UP); lcd_shu_wr(0,L_Unit_X,L_Unit_Y,Mile_Unit);//寫路程單價 } if(!MUINT_D) { Mile_Unit--; while(!MUINT_D); lcd_shu_w
42、r(0,L_Unit_X,L_Unit_Y,Mile_Unit);//寫路程單價 } if(!TUINT_UP) { Time_Unit++; while(!TUINT_UP); lcd_shu_wr(1,R_Unit_X,R_Unit_Y,Time_Unit);//寫時間單價 } if(!TUINT_D) { Time_Unit--; while(!TUINT_D); lcd_shu_wr(1,R_Unit_X,R_Unit_Y,Time_Unit);//寫時間單價 }
43、 } } } /************************************************************** 測速 **************************************************************/ void testspeed() { if(speed>=18) { speed_flag=1; TR1=0; } else { speed_flag=0; TR1=1; } } /****************************
44、********************************** 主函數(shù) **************************************************************/ void main() { lcd_init(); interrput_init(); display(); while(1) { keyboard(); testspeed(); } } /************************************************************* 外部中斷0服務程序 測所
45、走過的路程,并且測車速 *************************************************************/ void Int0() interrupt 0 { LED=!LED; speed_con_m++; if(speed_flag) { mile_con_m++; if(mile_con_m==1000) { mile_con_m=0; mile_con_km++; if(mile_con_km==1) cost_flag=1; } } } /****
46、******************************************************** 定時器0中斷服務程序 測速計時器 *************************************************************/ void timer0() interrupt 1 { TH0=(65535-50000)/256; //50ms TL0=(65535-50000)%256; speed_con++; if(speed_con%5==0) //0.25s測速一次 { speed=s
47、peed_con_m*2; speed_con_m=0; } if(speed_con==20) ////1s刷新顯示一次 { speed_con=0; if(cost_flag) { mile_cost_D=(mile_con_m*Mile_Unit)%1000; //計算路費用 mile_cost_Z=(mile_con_km-1)*Mile_Unit; mile_cost_Z=mile_cost_Z+(mile_con_m*Mile_Unit)/1000; total_z=mile_cost_Z+tim
48、e_cost_Z; //計算總費用 total_z+=5; total_d=mile_cost_D+time_cost_D*100; total_z=total_z+total_d/1000; total_d=total_d%1000; } display(); } } /************************************************************* 定時器1中斷服務程序 按時間計費計時器 ************************************************
49、*************/ void timer1() interrupt 3 { TH1=(65535-50000)/256; //50ms計時 TL1=(65535-50000)%256; time_con_s++; if(time_con_s==1200) //一分鐘 { time_con_s=0; time_con_m++; time_cost=time_con_m*Time_Unit; //計算時間費用 time_cost_Z=time_cost/10; time_cost_D=time_cost%10; } }
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