嵌入式系统课程设计——贪吃蛇

1、word/* *;*-;*-;* 文件作者 : ARM开发小组;* 创立日期 : 2004/06/25;*-;*-;*;*/#include ".incconfig.h"#include<stdlib.h>#include<time.h>#include<stdio.h>#defineSTACKSIZE256OS_STK_DATA stk;extern GUI_FONT CHINESE_FONT12;extern GUI_FONT CHINESE_FONT16;extern GUI_FONT GUI_Font8x16;OS_EVENT *

2、Key_Mbox;/* 分配各任务的堆栈容量 */OS_STK Stack_Task_1STACKSIZE;OS_STK Stack_Task_2STACKSIZE;OS_STK Stack_Task_3STACKSIZE;OS_STK Stack_Task_4STACKSIZE*3;/*/#define MAX_X 200 /蛇的最大长度#define MAX_Y 200#define UP 1 /蛇的方向#define DOWN 2#define LEFT 3#define RIGHT 4#define ROW 22 /表格行数#define COLUMN 22 /表格列数/定义蛇的各项信

3、息struct Snake S32 xMAX_X; S32 yMAX_Y; S32 length; S32 direction; S32 life;snake;struct Food int x;/*食物的横坐标*/ int y;/*食物的纵坐标*/ int yes;/*判断是否要出现食物的变量*/food;/*食物的结构体*/S16 map_12222 =/ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,

4、 0, 0, 0, 0, 0, 0, 0, 0 ,/0 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ,/1 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0 ,/2 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0 ,/3 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0

5、,/4 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0 ,/5 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0 ,/6 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ,/7 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ,/8 0, 0, 0, 0, 0, 0, 0,

6、 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ,/9 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ,/10 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ,/11 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ,/12 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,

7、 0, 0, 0, 0, 0, 0, 0, 0 ,/13 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ,/14 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0 ,/15 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0 ,/16 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1

8、, 0 ,/17 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0 ,/18 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0 ,/19 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ,/20 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /21 ; S16 map_22

9、222 =/ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ,/0 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 ,/1 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 ,/2 1, 0, 0,

10、0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 ,/3 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 ,/4 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1 ,/5 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1 ,/6 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0,

11、0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1 ,/7 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1 ,/8 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 ,/9 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 ,/10 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,

12、 0, 0, 1 ,/11 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 ,/12 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1 ,/13 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1 ,/14 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1 ,/15 1, 0,

13、0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1 ,/16 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 ,/17 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 ,/18 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 ,/19 1, 0, 0, 0, 0, 0, 0, 0, 0,

14、 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 ,/20 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 /21 ; int oldDire = 4; /记录前一个方向int score = 0; /分数int gametime = 99;/时间int mapSelect = 0;/关卡int gamespeed = 0;/难度，速度int key_F = 0;/标记F键int setUnit = 0;/设置游戏项，0表示关卡，1表示难度int foodIndex = 0; /第几个

15、食物int mySrand = 0;void Draw_GUI();/绘制游戏界面void Random_Food();/产生食物void GameOver();/结束游戏void NewGame();/新游戏void PrScore();/输出新得分void DspTime(INT32U);/显示倒计时void DrawMap();/画障碍物void CheckMap();/ 判断蛇是否撞到障碍物void Set_SelectFace();/游戏设置void DrawSetForm();/游戏设置键void Task_2();/*- 函数名称 : Task_4(void *pdata)- 函

16、数说明 : GUI任务，优先级为56- 输入参数 : pdata- 输出参数 : 无*/void Task_4(void *pdata)I32 k = 0;int i = 0;int j = 0;int x = 0;int y = 0;snake.life = 0; /活着 snake.x0=100; snake.y0=40; /蛇头 snake.x1=80; snake.y1=40; /第一节蛇 snake.x2=60; snake.y2=40; snake.length=3; /节数 snake.direction = RIGHT; food.yes=0; while(1) if(scor

17、e >= 100) score = 0; mapSelect +; Set_Color(GUI_GREEN); Set_Font(&CHINESE_FONT16); Disp_String (CN_start"恭喜你，进入下一关！"CN_end,240,240); OSTimeDly(200); NewGame(); if(key_F = 1)/是否进入游戏设置 /OSTimeDly(100); OSTimeDly(50000); if(snake.x0 = (food.x*20)+20 && snake.y0=(food.y*20)+20)/

18、*吃到食物以后*/Set_Color(GUI_WHITE);/用白色去除蛇的的最后一节Fill_Rect(food.x*20)+20,(food.y*20)+20,(food.x*20)+40,(food.y*20)+40);snake.length+;/蛇的身体长一节food.yes=0;/画面上需要出现新的食物score += 10;PrScore();/输出新得分 x = snake.xsnake.length-1;y = snake.ysnake.length-1; for(i=snake.length-1;i>0;i-)/蛇的每个环节往前!snake.xi=snake.xi-1

19、;snake.yi=snake.yi-1;Set_Color(GUI_GREEN);/画出蛇for(j=0;j<snake.length;j+)Fill_Rect(snake.xj,snake.yj,snake.xj+20,snake.yj+20); if(food.yes=0) / 画食物 Random_Food(); Uart_Printf(" random x=%xn",food.x); Uart_Printf(" random y=%xn",food.y); Set_Color(GUI_RED);/设置食物颜色 红色 Fill_Circle

20、(food.x*20)+30,(food.y*20)+30,10); /画食物，为红色的圆 switch(snake.direction) /蛇的方向 case UP: if(oldDire != DOWN) snake.y0 -= 20; oldDire = snake.direction; else snake.y0 += 20; break; case DOWN: if(oldDire != UP) snake.y0 += 20; oldDire = snake.direction; else snake.y0 -= 20; break; case LEFT: if(oldDire !=

21、 RIGHT) snake.x0 -= 20; oldDire = snake.direction; else snake.x0 += 20; break; case RIGHT: if(oldDire != LEFT) snake.x0 += 20; oldDire = snake.direction; else snake.x0 -= 20; break; default: break; Uart_Printf("snake.x0=%d* snake.y0=%dn",snake.x0,snake.y0); for(i=3;i<snake.length;i+)/是否

22、撞到自己了，因为蛇头为两节，第三节不可能拐过来if(snake.xi=snake.x0&&snake.yi=snake.y0) snake.life=1; break; CheckMap();/ 判断蛇死亡条件 if(snake.x0<20)snake.x0=440;else if(snake.x0 > 440)snake.x0=20;else if(snake.y0 > 440)snake.y0=20;else if(snake.y0 <20)snake.y0=440; if(gametime <=0)/时间到了 snake.life=1; /蛇

23、死 Uart_Printf(" >>>>>>>>>>>>>>>>>>>>>>snake.life =%dn",snake.life);Uart_Printf(" >>>>>>>>>>>>>>>>>>>>>>snake.direction =%dn",snake.direction);if(sna

24、ke.life = 1)/蛇是否死了 GameOver();/本次游戏结束 OSTimeDly(50000); if(gamespeed = 0)/易 for(k=0;k<10000000;k+); else if(gamespeed = 1)/中 for(k=0;k<1000000;k+); else if(gamespeed = 2)/难 for(k=0;k<100000;k+); else for(k=0;k<10000000;k+); Set_Color(GUI_WHITE);/用灰色去除蛇的的最后一节Fill_Rect(x,y,x+20,y+20);OSTim

25、eDly(10); /*- 函数名称 : Task_3- 函数说明 : 任务3，向串口发送数据- 输入参数 : pdata- 输出参数 : 无*/void Task_3(void *pdata) for(;) if(key_number!=0xff) Uart_Printf("key_number=%xn",key_number); /任务的干得活儿就是向超级终端发送内容 key_number=0xff; OSTimeDly(30); /延时100个节拍 /OSTimeDly(100); void Task_1(void *pdata) INT8U err; INT8U *

26、Key_P; INT8U Key_Val; int ys = 0; char cmapSelect2; Timer1_Init(); /翻开时钟节拍，让操作系统跑起来 / OSTaskCreate(Task_2, (void *)0, (OS_STK *)&Stack_Task_2(STACKSIZE) - 1, 9); /在任务里创立另一个任务/ OSTaskCreate(Task_3, (void *)0, (OS_STK *)&Stack_Task_3(STACKSIZE) - 1, 8); /在任务里创立另一个任务 /在任务里创立另一个任务 for(;) Key_P =

27、 OSMboxPend(Key_Mbox, 0, &err); /等待任务间的通信邮箱内的键值指针 Key_Val = *Key_P; switch(Key_Val) /int temp_mapSelect = 0;/设置时，选择的关卡/int temp_gamespeed = 0;/设置时，选择的难度case 0x05 : /GUI_StoreKey(GUI_KEY_UP); if(key_F = 1) if(setUnit = 0) /选择关卡 mapSelect = 1; /mapSelect +; /if(mapSelect = 3) /mapSelect = 2; else

28、if(setUnit = 1) /选择难易程度 gamespeed = 1; /gamespeed +; /if(gamespeed = 3) /gamespeed = 2; DrawSetForm(); break; case 0x06 : /上 /GUI_StoreKey(GUI_KEY_UP); if(key_F = 1) setUnit = 0; DrawSetForm(); snake.direction = UP; break; case 0x04 : /下 /GUI_StoreKey(GUI_KEY_DOWN); if(key_F = 1) setUnit = 1; DrawSe

29、tForm(); snake.direction = DOWN; break; case 0x01 : /右 /GUI_StoreKey(GUI_KEY_RIGHT); if(key_F = 1) if(setUnit = 0) mapSelect = 2; /mapSelect +; /if(mapSelect = 3) /mapSelect = 2; else if(setUnit = 1) gamespeed = 2; /gamespeed +; /if(gamespeed = 3) /gamespeed = 2; DrawSetForm(); snake.direction = RIG

30、HT; break; case 0x09 : /左 /GUI_StoreKey(GUI_KEY_LEFT); if(key_F = 1) if(setUnit = 0) mapSelect = 0; /mapSelect -; /if(mapSelect = -1) /mapSelect = 0; else if(setUnit = 1) gamespeed = 0; /gamespeed -; /if(gamespeed = -1) /gamespeed = 0; DrawSetForm(); snake.direction = LEFT; break; case 0x0F : /进入菜单

31、if(key_F = 0) key_F = 1; Set_SelectFace(); DrawSetForm(); Uart_Printf(" key_F =%dn",key_F); break; case 0x0B : /进入游戏界面 if(key_F = 1) key_F = 0; score = 0; gametime = 99; NewGame(); OSTimeDlyResume(8); else Draw_GUI(); /游戏界面初始化 PrScore();/初始化分数 DspTime(99);/初始化倒计时 DrawMap(); OSTaskCreate(Ta

32、sk_2, (void *)0, (OS_STK *)&Stack_Task_2(STACKSIZE) - 1, 4); OSTaskCreate(Task_4, (void *)0, (OS_STK *)&Stack_Task_4(STACKSIZE*3) - 1, 8);/创立任务4 break; /*case 0x0E : /重新开始游戏 score = 0; gametime = 99; NewGame(); break;*/ case 0x00: GUI_StoreKey(GUI_KEY_ENTER); break; default: break; OSTimeDly

33、(1); void Task_2(void *pdata) /记时INT8U hours = 0;INT8U minutes = 0;INT8U seconds = 1;INT16U milli = 0;while(1) OSTimeDly(300);if(snake.life = 0)gametime -;DspTime(gametime);PrScore();void Draw_GUI() /绘制游戏界面int i=0; int j=0; Set_Color(GUI_WHITE);/游戏背景 白 Fill_Rect(20,20,640,480); Set_Color(GUI_BLACK);

34、/设置墙 黑色 Set_Font(&CHINESE_FONT16); Fill_Rect(0,0,20,640); /左墙 Fill_Rect(0,0,640,20);/ 上墙 Fill_Rect(0,460,640,480); /下墙 Fill_Rect(460,0,480,480); /右墙 Set_Color(GUI_BLUE);/右边显示栏 蓝色 Fill_Rect(480,20,620,460); Set_Color(GUI_BLACK);/设置墙 黑色 Fill_Rect(620,0,640,480); /右边框 Set_BkColor(GUI_BLUE); Set_Col

35、or(GUI_WHITE); Disp_String (CN_start"关卡："CN_end,500,60); Disp_String (CN_start"难易程度："CN_end,500,110); Disp_String (CN_start"分数："CN_end,500,250); Disp_String (CN_start"倒计时："CN_end,500,360); void Random_Food() srand(mySrand+); food.x=rand()%22; srand(mySrand+3);

36、 food.y=rand()%22; food.yes = 1; switch(mapSelect)case 0: Uart_Printf("*case 0*foodIndex = %d n",foodIndex);break;case 1:Uart_Printf("*case 1*map_1food.xfood.y = %d n",map_1food.xfood.y);if(map_1food.yfood.x = 1) Uart_Printf("*1111*foodIndex = %d n",foodIndex); Random_F

37、ood(); Uart_Printf("*2222*foodIndex = %d n",foodIndex); break;case 2:if(map_2food.yfood.x = 1) Random_Food(); Uart_Printf("*case 2*foodIndex = %d n",foodIndex);break;default:break; Uart_Printf("*FOOD*food.x = %d n",food.x); Uart_Printf("*FOOD*food.y = %d n",food.y); void GameOver() /游戏结束Set_Font(&CHINESE_FONT16);Disp_String (CN_start"游戏结束！"CN_