嵌入式系统课程设计——贪吃蛇

1、/* 文件作者 : ARM 开发小组* 创建日期 : 2004/06/25* 版本声明 : *J*J*;*/#include ".incconfig.h"#include<stdlib.h>#include<time.h>#include<stdio.h>#defineSTACKSIZE 256OS_STK_DATA stk;externGUI_FONT CHINESE_FONT12;externGUI_FONT CHINESE_FONT16;externGUI_FONT GUI_Font8x16;OS_EVENT *Key_Mbox;/

2、*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;/*/ 蛇的最大长度/ 蛇的方向*/#define MAX_X 200#define MAX_Y 200#define UP 1#define DOWN 2 #define LEFT 3#define RIGHT 4#define ROW22 / 表格行数#define COLUMN 22/ 表格列数/ 定义蛇的各项信息struct S

3、nakeS32 xMAX_X;S32 yMAX_Y;S32 length;S32 direction;S32 life;snake;struct Foodint 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 */0, 0 ,/00, 0, 0,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,0, 0 ,/10, 0,1,1,1, 1, 1, 0, 0, 0,0,0,0,0,0,0,1,1,1,1,1, 0 ,/20, 0,1,0,0, 0, 0, 0, 0, 0,0

4、,0,0,0,0,0,0,0,0,0,1, 0 ,/30, 0,1,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,1, 0 ,/40, 0,1,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,1, 0 ,/50, 0,1,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,1, 0 ,/60, 0, 0,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,0, 0 ,/70, 0, 0,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,0, 0 ,/80

5、, 0, 0,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,0, 0 ,/90, 0, 0,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,0, 0 ,/100, 0, 0,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,0, 0 ,/110, 0, 0,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,0, 0 ,/120, 0, 0,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,0, 0 ,/130, 0, 0, 0, 0, 0, 0, 0

6、, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,1, 0 ,/150, 0,1,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,1, 0 ,/160, 0,1,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,1, 0 ,/170, 0,1,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,1, 0 ,/180, 0,1,1,1, 1, 1, 0, 0, 0,0,0,0,0,0,1,1,1,1,1,1, 0 ,/190, 0, 0,0,0, 0, 0, 0, 0, 0,0,0,0,0

7、,0,0,0,0,0,0,0, 0 ,/200, 0, 0,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,0, 0 /21;S16 map_22222/ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 211, 1, 1,1,1, 1, 1, 1, 1, 1,1,1,1,1,1,1,1,1,1,1,1, 1 ,/01, 0, 0,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,0, 1 ,/11, 0, 0,0,0, 0, 0, 0,

8、 0, 0,0,0,0,0,0,0,0,0,0,0,0, 1 ,/21, 0, 0,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,0, 1 ,/31, 0, 0,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,0, 1 ,/41, 0, 0,0,0, 0, 0, 0, 0, 1,0,0,1,0,0,0,0,0,0,0,1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0,0, 1 ,/61, 0, 0,0,0, 0, 0, 0, 0,1,0,0,1,0,0,0,0,0,

9、0,0,0, 1 ,/71, 0, 0,0,0, 0, 0, 0, 0,1,0,0,1,0,0,0,0,0,0,0,0, 1 ,/81, 0, 0,0,0, 1, 1, 1, 1,1,0,0,1,1,1,1,1,0,0,0,0, 1 ,/91, 0, 0,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,0, 1 ,/101, 0, 0,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,0, 1 ,/111, 0, 0,0,0, 1, 1, 1, 1,1,0,0,1,1,1,1,1,0,0,0,0, 1 ,/121, 0, 0,0,0,

10、0, 0, 0, 0,1,0,0,1,0,0,0,0,0,0,0,0, 1 ,/131, 0, 0,0,0, 0, 0, 0, 0,1,0,0,1,0,0,0,0,0,0,0,0, 1 ,/141, 0, 0,0,0, 0, 0, 0, 0,1,0,0,1,0,0,0,0,0,0,0,0, 1 ,/151, 0, 0,0,0, 0, 0, 0, 0,1,0,0,1,0,0,0,0,0,0,0,0, 1 ,/161, 0, 0,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,0, 1 ,/171, 0, 0,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,

11、0,0,0,0,0,0, 1 ,/181, 0, 0,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,0, 1 ,/191, 0, 0,0,0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,0,1, 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1 表示难度int key_F = 0;/ 标记 F 键int setUnit = 0;/ 设置游戏项， 0

12、表示关卡，int foodIndex = 0; / 第几个食物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

13、_2();/*函数名称: Task_4(void *pdata)函数说明: 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=

14、0;while(1) if(score >= 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

15、.y*20)+20)/* 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 snak

16、e.xi=snake.xi-1;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

17、_Circle(food.x*20)+30,(food.y*20)+30,10);/ 画食物，为红色的圆/ 蛇的方向switch(snake.direction)case UP:if(oldDire != DOWN)snake.y0 -= 20;oldDire = snake.direction;elsebreak;case DOWN:if(oldDire != UP)snake.y0 += 20;oldDire = snake.direction;elsesnake.y0 -= 20;break;case LEFT:if(oldDire != RIGHT)snake.x0 -= 20;old

18、Dire = snake.direction;elsebreak;case RIGHT:if(oldDire != LEFT)snake.x0 += 20;oldDire = snake.direction;elsesnake.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&&sn

19、ake.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; snake.y0=20;else if(snake.y0 <20)snake.y0=440;if(gametime <=0)/ 时间到了snake.life=1; / 蛇死Uart_Printf(" >>>>>>>>>>>>>>>>

20、;>>>>>>snake.life =%dn",snake.life);Uart_Printf(" >>>>>>>>>>>>>>>>>>>>>>snake.direction =%dn",snake.direction);if(snake.life = 1)/ 蛇是否死了GameOver();/ 本次游戏结束OSTimeDly(50000);if(gamespeed = 0)/ 易for(k=0;k

21、<10000000;k+);else if(gamespeed = 1)/ 中for(k=0;k<1000000;k+);else if(gamespeed = 2)/ 难for(k=0;k<100000;k+);elsefor(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);OSTimeDly(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

22、*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 *Key_P;INT8U Key_Val;int ys = 0;char cmapSelect2;Timer1_Init(); / 打开时钟节拍，让操作系统跑起 来/ OSTaskCreate

23、(Task_2, (void *)0, (OS_STK *)&Stack_Task_2(STACKSIZ-E1), 9);/ 在任务里创建另一个任务/OSTaskCreate(Task_3, (void *)0, (OS_STK *)&Stack_Task_3(STACKSIZE-)1, 8); / 在任务里创建另一个任务/ 在任务里创建另一个任务for(;)/ 等待任务间的通信邮Key_P = OSMboxPend(Key_Mbox, 0, &err); 箱内的键值指针Key_Val = *Key_P;switch(Key_Val)/int temp_mapSelec

24、t = 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)mapSelect = 1;/mapSelect +;/if(mapSelect = 3)/ mapSelect = 2;else if(setUnit = 1)gamespeed = 1;/gamespeed +;/if(gamespeed = 3)/ gamespeed = 2;DrawSetForm();break;/ 选择关卡/ 选择难易程度case 0x

25、06 :/GUI_StoreKey(GUI_KEY_UP);/ 上/ 下/ 右setUnit = 0;DrawSetForm();snake.direction = UP;break;case 0x04 :/GUI_StoreKey(GUI_KEY_DOWN);if(key_F = 1)setUnit = 1;DrawSetForm();snake.direction = DOWN;break;case 0x01 :/GUI_StoreKey(GUI_KEY_RIGHT);if(key_F = 1)if(setUnit = 0)mapSelect = 2;/mapSelect +;/ mapS

26、elect = 2;else if(setUnit = 1)gamespeed = 2;/gamespeed +;/if(gamespeed = 3)/ gamespeed = 2; DrawSetForm(); snake.direction = RIGHT;/ 左break;case 0x09 :/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

27、= 0;/gamespeed -;/if(gamespeed = -1)/ gamespeed = 0; DrawSetForm();snake.direction = LEFT;break;case 0x0F :/ 进入菜单if(key_F = 0)key_F = 1;Set_SelectFace();DrawSetForm();Uart_Printf(" key_F =%dn",key_F);break;/ 进入游戏界面case 0x0B :key_F = 0;score = 0;gametime = 99;NewGame();OSTimeDlyResume(8);el

28、seDraw_GUI(); / 游戏界面初始化PrScore();/ 初始化分数DspTime(99); / 初始化倒计时DrawMap();4);8);/ 创建任务 4OSTaskCreate(Task_2,(void *)0, (OS_STK*)&Stack_Task_2(STACKSIZE)- 1, OSTaskCreate(Task_4, (void *)0, (OS_STK *)&Stack_Task_4(STACKSIZE*-31), break;/*/ 重新开始游戏case 0x0E : score = 0;gametime = 99;NewGame();brea

29、k;*/case 0x00:GUI_StoreKey(GUI_KEY_ENTER);break;default:break;OSTimeDly(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();w«=s寸 9OCXIOOX。#1=匚 J9L-LN0ZI山 S 山 N_HO03

30、)1UOZIJS 间<WM退* (yo<18 Jno)ooolosS8 寸-0 寸 9-0cxl-0cxl)l。#1=匚Tn*>浜務注LU_L_HMI_no)o_ooloso"c一O上茎一= 05OIIO po>S9OO9-PU IN。- -¥<=七县 SINO) 6UESIdsQ _LU-L_H/AI_no)o_oolos _LUn18l_no)oo98los1*曰2 /二08 寸-0 寸 9OOCXI9X。# 丿_匚 间<w鋼退* (yo<18 Jno)ooolosS9 寸OCXI9OCXI-O8 寸)1。# 丿_匚 间相辿底瑁

31、曰牠/=(山018 Jno)o_oolosW2 /二08 寸-08 寸0-09 寸)1。# 丿_匚WK/二08 寸-0 寸 9-09 寸0)1。# 丿_匚WT 注OCXI-O 寸 9OOX。# 丿_匚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+);f

32、ood.x=rand()%22;srand(mySrand+3);food.y=rand()%22;food.yes = 1;switch(mapSelect)case 0:0*%dUart_Printf("*casen",foodIndex);case 1:1*map_1food.xfood.yUart_Printf("*case= %d n",map_1food.xfood.y);if(map_1food.yfood.x = 1)Uart_Printf(1111*foodIndex= %dn",foodIndex);Random_Food(

33、);Uart_Printf("*2222*foodIndex n",foodIndex);break;= %dcase 2:if(map_2food.yfood.x = 1)Random_Food();Uart_Printf("*case 2*foodIndex = %dn",foodIndex);default:break;Uart_Printf(FOOD*food.xUart_Printf(FOOD*food.y= %d n",food.x);= %d n",food.y);void GameOver()/ 游戏结束Set_Fon

34、t(&CHINESE_FONT16);/ 显示分数Disp_String (CN_start" 游戏结束！ "CN_end,240,240); void PrScore()INT8U bw;INT8U sw;INT8U gw; char cscore 4; int b;int s;int g;Set_Color(GUI_BLUE);/ 蓝色Fill_Rect(520,280,540,320);Uart_Printf(score= %dn",score);bw = score/100;sw = score%100/10;gw = score%10;b = s

35、core/100;s = score%100/10;g = score%10;cscore0=b+48;cscore1=s+48;cscore2=g+48;cscore3=0;Set_Color(GUI_RED);/ 红色Set_Font(&GUI_Font8x16);Disp_String (cscore,520,280);write7279(decode1+2, bw & 0x0f);/ 左边数码管write7279(decode1+1,sw & 0x0f);write7279(decode1,gw & 0x0f); void DspTime(INT32U

36、time) / 显示倒计时 INT8U a;INT8U b;int atime;int btime;char ctime3;a = gametime / 10;b = gametime % 10; atime=gametime / 10;btime= gametime % 10;ctime0=atime+48;ctime1=btime+48; ctime2=0;Set_Color(GUI_BLUE);/ 蓝色Fill_Rect(520,270,550,320);Set_Color(GUI_RED);/ 红色Set_Font(&GUI_Font8x16);Disp_String (cti

37、me,520,390);write7279(decode1+5, a & 0x0f);/ 最右边数码管write7279(decode1+4,b & 0x0f);void NewGame()/ 新游戏int j = 0;Set_Color(GUI_WHITE);消去蛇原来的记录for(j=0;j<snake.length;j+)Fill_Rect(snake.xj,snake.yj,snake.xj+20,snake.yj+20);snake.life = 0;/ 活着snake.x0=100;snake.y0=40;/ 蛇头snake.x1=80;snake.y1=40

38、;/ 第一节蛇/ 节数snake.x2=60; snake.y2=40;snake.length=3;snake.direction = RIGHT;Draw_GUI(); / 游戏界面初始化gametime = 99;PrScore();/ 初始化分数DspTime(99); / 初始化倒计时DrawMap();food.yes = 0;void DrawMap()/ 画障碍物int i = 0;int j = 0;switch(mapSelect)case 0:break;case 1:for(i=0; i<22; i+)for(j=0; j<22; j+)if(map_1ij

39、 = 1)Set_Color(GUI_GRAY); / 障碍物颜色灰色Fill_Rect(j*20)+20, (i*20)+20, (j*20)+40, (i*20)+40);break;case 2:for(i=0; i<22; i+)for(j=0; j<22; j+)if(map_2ij = 1)Set_Color(GUI_GRAY); / 障碍物颜色 灰色Fill_Rect(j*20)+20, (i*20)+20, (j*20)+40, (i*20)+40);break;default:break;void CheckMap()/ 是否撞到障碍物int i = 0;int

40、j = 0;int snake_x = 0;int snake_y = 0;snake_x = (snake.x0-20)/20;snake_y = (snake.y0-20)/20;mapSelect = mapSelect % 3;switch(mapSelect)case 0:break;case 1:for(i=0; i<22; i+)for(j=0; j<22; j+) if(map_1ij = 1 && j = snake_x && i = snake_y) snake.life = 1; / 蛇死了i=22;break;break;ca

41、se 2:for(i=0; i<22; i+)for(j=0; j<22; j+)if(map_2ij = 1 && j = snake_x && i = snake_y)snake.life = 1; / 蛇死了i=22;break;break;default:break;/ 显示栏void Set_SelectFace()Set_Color(GUI_WHITE);Fill_Rect(0,0,639,479);/*Set_Color(GUI_GREEN);Fill_Rect(160,20,460,410);*/Set_Color(GUI_RED);

42、设置色Set_Font(&CHINESE_FONT16);Set_Color(GUI_YELLOW);Set_Font(&CHINESE_FONT16);Disp_String (CN_start" 关卡： "CN_end,310,140);/Fill_Rect(200,120,240,160);Disp_Stri ng (CN_startCN_e nd,250,200);/ Fill_Rect(260,120,300,160);Disp_Stri ng (CN_start"二"CN_e nd,310,200);/ Fill_Rect(3

43、20,120,360,160);Disp_Stri ng (CN_start"三"CN_e nd,370,200);Disp_Stri ng (CN_start"难度："CN_e nd,310,260);/ Fill_Rect(200,200,240,240);Disp_Stri ng (CN_start"易"CN_e nd,250,320);/Fill_Rect(260,200,300,240);Disp_String (CN_start"中"CN_end,310,320);/ Fill_Rect(320,200,360,240);Disp_Stri ng (CN_start"难"CN_e nd,370,320);/* Set_Color(GUI_WHITE);Fill_Rect(460,20,630,460);*/* Disp_String (CN_start" 注释 "CN_end,490,80);Disp_String (CN_start" 菜单： F"CN_end,490,100);*/void DrawSetForm()/ 游戏设置键Set_Colo