基于Freescale三轴加速度传感器LCD的贪食蛇游戏设计

1、/说明：该程序是基于freescale MCU、三轴加速度传感器、ili9320 LCD所写的贪食蛇游/戏，上传代码拥有全部的设计思路以及大部分函数主体/=/ 宏定义按键/=#define Key_Up 1#define Key_Down 4#define Key_Left 2#define Key_Right 3#define uchar unsigned char/=/ 使用结构体定义变量 使程序的名称更加的清楚/=struct uchar X;uchar Y; uchar Yes;Food;/食物结构体#define SNAKE_Max_Long 20 /最大长度struct uchar

2、 XSNAKE_Max_Long;uchar YSNAKE_Max_Long;uchar Long; uchar Life; uchar Score;/蛇的分数uchar Level;/蛇的等级 Snake;/蛇结构体uchar Key_V_temp=0; /取出上次按键值uchar Key_Value=0;static int l=0;static uint16 KEY_Init3=0,0,0;static uint16 KEY_BASE3=0,0,0;score20="0","10","20","30",&qu

3、ot;40","50","60","70","80","90","100","110","120","130","140","150","160","170","180","190"int level20=1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,

4、18,19,20;static const byte Channels = 13,14,15; /* Contents for the device control register */static word MMA_7260_OutV3; static byte SumChan; static byte OutFlg; void MMA_7260_Init_3(void) OutFlg = FALSE; /* No measured value */ /* ATD0CTL4: SMP2=0,SMP1=0,SMP0=0,PRS4=0,PRS3=0,PRS2=1,PRS1=0,PRS0=1 *

5、/ ATD0CTL4 = 5; /* Set sample time and prescaler */ /* ATD0CTL3: DJM=0,S8C=0,S4C=0,S2C=0,S1C=1,FIFO=0,FRZ1=0,FRZ0=0 */ ATD0CTL3 = 8; /* Set ATD control register 3 */ /* ATD0CTL0: ?=0,?=0,?=0,?=0,WRAP3=1,WRAP2=1,WRAP1=1,WRAP0=1 */ ATD0CTL0 = 15; /* Set wrap around */ /* ATD0CTL1: ETRIGSEL=0,SRES1=1,S

6、RES0=0,SMP_DIS=1,ETRIGCH3=1,ETRIGCH2=1,ETRIGCH1=1,ETRIGCH0=1 */ ATD0CTL1 = 95; /* Set resolution and discharge */ /* ATD0CTL2: ?=0,AFFC=1,ICLKSTP=0,ETRIGLE=0,ETRIGP=0,ETRIGE=0,ASCIE=0,ACMPIE=0 */ ATD0CTL2 = 64; /* Set ATD control register 2 */-static void MMA_7260_Measure_3(void) for (SumChan=0; Sum

7、Chan<3; SumChan+) ATD0CTL5 = ChannelsSumChan; /* Start measurement of next channel */ while (!ATD0STAT0_SCF) /* Wait for AD conversion complete */ MMA_7260_OutVSumChan = ATD0DR0; /* Save measured value */ OutFlg = TRUE; /* Measured values are available */-byte MMA_7260_GetValue16_3(word *Values)

8、if (!OutFlg) /* Is measured value(s) available? */ return 0; /* If no then error */ /* Note: Next 4 lines are speed optimized */ *Values+ = MMA_7260_OutV0; /* Save measured values to the output buffer */ *Values+ = MMA_7260_OutV1; /* Save measured values to the output buffer */ *Values+ = MMA_7260_O

9、utV2; /* Save measured values to the output buffer */ OutFlg = FALSE; return 1; /* OK */=/贪食蛇游戏/=/函数名称：Trun_On_Point Trun_Off_Point (uchar x,uchar y)/函数功能：点亮或者熄灭 一个点。用于显示蛇身体/入口参数：无/出口参数：无/特别说明：此 Trun_On，函数换成其他的就可以兼容其他的液晶/ 入8*8 点阵 12864 等/=void Trun_On_Point (uchar x,uchar y,uchar color)ili9320_Recta

10、ngle(4*(x+2),(4*(y+2),(4*(x+3),(4*(y+3),color,color);/Bar(4*(x+2),(4*(y+2),(4*(x+3),(4*(y+3),color);void Trun_Off_Point (uchar x,uchar y)ili9320_Rectangle(4*(x+2),(4*(y+2),(4*(x+3),(4*(y+3),0xFFFF,0xFFFF);/=/函数名称：void Init_SNAKE(void) /函数功能：绘制游戏界面，初始化游戏等级等参数/入口参数：无/出口参数：无/=void Init_SNAKE(void) ucha

11、r i;/*获取方向基准*/ MMA_7260_Init_3(); MMA_7260_Measure_3(); MMA_7260_GetValue16_3(&KEY_BASE); /以下语句可以通过串口检验三轴加速度数据/* if(Flag) printp(" Get X Channel: %10D",KEY_BASE0); printp(" Get Y Channel: %10D",KEY_BASE1); printp(" Get Z Channel: %10D",KEY_BASE2); */ /*绘制游戏界面*/ ili9

12、320_Rectangle(4, 4, 166, 206,0,0); ili9320_Rectangle(5, 5, 167, 207,0,0);ili9320_Rectangle(6, 6, 168, 208,0,0);ili9320_Rectangle(5, 5, 169, 209,0,0);ili9320_Rectangle(7, 7, 167, 207,0xFFFF,0xFFFF);/绘制一个矩形框,160*240 ili9320_Write_multi_HZ_ASCII(167+10,32,32,32,"少女32.FON","少符32.FON"

13、,"07电信一",0xF800); ili9320_Write_multi_HZ_ASCII(167+10,66,32,32,"少女32.FON","少符32.FON","郑友金",0xF800); ili9320_Write_multi_HZ_ASCII(167+10,100,32,32,"少女32.FON","少符32.FON","贪食蛇",0xF800); /*初始化蛇参数*/Snake.Long=2; /定义初始化蛇的长度Snake.Life=0;

14、 /初始化蛇还活着Snake.Score=0;Food.Yes=1;Key_Value=0;for(i=0;i<Snake.Long;i+)/将蛇给赋值Snake.Xi=i+10;Snake.Yi=10;for(i=0;i<Snake.Long;i+)/将蛇给画出来Trun_On_Point(Snake.Xi,Snake.Yi,0);/=/函数名称：void Display_dead(uchar i) /函数功能：显示死亡界面/入口参数：无/出口参数：无/=void Display_dead(uchar i) l=0; Snake.Level=0; ili9320_Text(7+3

15、0,7+40,"GAME OVER",9,0,0xffff);ili9320_Delay(3000);Init_SNAKE();/=/函数名称：void Display_Pass(uchar i)/函数功能：显示过关界面/入口参数：无/出口参数：无/=void Display_Pass(uchar i) l+;Snake.Level+;ili9320_Text(7+30,7+40,"YOU WIN",7,0,0xffff);ili9320_Delay(3000);Init_SNAKE();/=/函数名称：void Display_finish(uchar

16、 i);/函数功能：显示通关界面/入口参数：无/出口参数：无/=void Display_finish(uchar i) l=0;Snake.Level=0;ili9320_Text(7+30,7+40,"YOU WIN",7,0,0xffff);ili9320_Text(7+30,7+80,"GAME FINISHED",13,0,0xffff);ili9320_Delay(4000);Init_SNAKE();/=/函数名称：void Run_SNAKE(void)/函数功能：蛇运动函数 /入口参数：无/出口参数：无/=void Run_SNAKE(

17、void) /*采用扫描MMA_7260方式确立方向*/ uchar i=0; uint16 KEY_Init4=0,0,0,0; /*获取方向基准*/ MMA_7260_Init_3(); MMA_7260_Measure_3(); MMA_7260_GetValue16_3(&KEY_Init);/以下语句可以通过串口检验三轴加速度数据 /* if(Flag) printp(" Get X1 Channel: %10D",KEY_Init0); printp(" Get Y1 Channel: %10D",KEY_Init1); printp

18、("Get Z1 Channel: %10D",KEY_Init2); printp(" Get X2 Channel: %10D",KEY_Init0-KEY_BASE0); printp(" Get Y2 Channel: %10D",KEY_Init1-KEY_BASE1); printp("Get Z2 Channel: %10D",KEY_Init2-KEY_BASE2); */ if(KEY_Init0-KEY_BASE0)>500 && (KEY_Init0-KEY_BASE0)

19、<3000)Key_Value=Key_Left; if(KEY_BASE0-KEY_Init0)>500 && (KEY_BASE0-KEY_Init0)<3000)Key_Value=Key_Right; if(KEY_Init1-KEY_BASE1)>500 && (KEY_Init1-KEY_BASE1)<3000)Key_Value=Key_Up; if(KEY_BASE1-KEY_Init1)>500 && (KEY_BASE1-KEY_Init1)<3000)Key_Value=Key_Do

20、wn; /Cpu_Delay100US(2100-Snake.Level*400); /*方向取值完毕*/ /*根据按键选择蛇的运动方向*/if(Key_Value=Key_Right&&Key_V_temp!=Key_Left)|(Key_Value=Key_Left&&Key_V_temp=Key_Right)if(Key_Value=Key_Right) /1.蛇行不是左向，下步可以右向。2.蛇行右向，按左向无效，继续右向Trun_Off_Point(Snake.X0,Snake.Y0); /先把蛇尾给熄灭掉 for(i=0;i<Snake.Long

21、-1;i+) /蛇身都是它前一段的蛇身的位置Snake.Xi=Snake.Xi+1;Snake.Yi=Snake.Yi+1; Snake.XSnake.Long-1=Snake.XSnake.Long-2+1;Snake.YSnake.Long-1=Snake.YSnake.Long-2+0; /蛇头向你要求的方向移动for(i=0;i<Snake.Long;i+) /这个让蛇显示出来的函数Trun_On_Point(Snake.Xi,Snake.Yi,0xffff);Key_Value=0;/Key_V_temp=Key_Right;/if(Key_Value=Key_Left&

22、;&Key_V_temp!=Key_Right)|(Key_Value=Key_Right&&Key_V_temp=Key_Left)if(Key_Value=Key_Left)Trun_Off_Point(Snake.X0,Snake.Y0); /先把蛇尾给熄灭掉 for(i=0;i<Snake.Long-1;i+) /蛇身都是它前一段的蛇身的位置Snake.Xi=Snake.Xi+1;Snake.Yi=Snake.Yi+1; Snake.XSnake.Long-1=Snake.XSnake.Long-2-1;Snake.YSnake.Long-1=Snake.

23、YSnake.Long-2+0; /蛇头向你要求的方向移动for(i=0;i<Snake.Long;i+) /这个让蛇显示出来的函数Trun_On_Point(Snake.Xi,Snake.Yi,0xffff);Key_Value=0;/Key_V_temp=Key_Left;/if( Key_Value=Key_Up&&Key_V_temp!=Key_Down)|( Key_Value=Key_Down&&Key_V_temp=Key_Up)if( Key_Value=Key_Up)Trun_Off_Point(Snake.X0,Snake.Y0); /

24、先把蛇尾给熄灭掉 for(i=0;i<Snake.Long-1;i+) /蛇身都是它前一段的蛇身的位置Snake.Xi=Snake.Xi+1;Snake.Yi=Snake.Yi+1; Snake.XSnake.Long-1=Snake.XSnake.Long-2+0;Snake.YSnake.Long-1=Snake.YSnake.Long-2-1; /蛇头向你要求的方向移动for(i=0;i<Snake.Long;i+) /这个让蛇显示出来的函数Trun_On_Point(Snake.Xi,Snake.Yi,0xffff);Key_Value=0;/Key_V_temp=Key_

25、Up;/if( Key_Value=Key_Down&&Key_V_temp!=Key_Up)|( Key_Value=Key_Up&&Key_V_temp=Key_Down)if( Key_Value=Key_Down)Trun_Off_Point(Snake.X0,Snake.Y0); /先把蛇尾给熄灭掉 for(i=0;i<Snake.Long-1;i+) /蛇身都是它前一段的蛇身的位置Snake.Xi=Snake.Xi+1;Snake.Yi=Snake.Yi+1; Snake.XSnake.Long-1=Snake.XSnake.Long-2+0;

26、Snake.YSnake.Long-1=Snake.YSnake.Long-2+1; /蛇头向你要求的方向移动for(i=0;i<Snake.Long;i+) /这个让蛇显示出来的函数Trun_On_Point(Snake.Xi,Snake.Yi,0xffff);Key_Value=0;/Key_V_temp=Key_Down;/*根据按键选择蛇的运动程序结束*/*判断蛇是否死亡*/if(Snake.XSnake.Long-1>=39|Snake.YSnake.Long-1>=49)/判蛇头是否撞到墙壁Snake.Life=1;for(i=3;i<Snake.Long;i+)/从第三节开始判断蛇头是否咬到自己if(Snake.Xi=Snake.X0&&Snake.Yi=Snake.Y0)Snake.Life=1;if(Snake.Life=1) /if the snake overi=Key_Value;Display_dead(i);/*判断蛇是否死亡程序结束*/*判断游戏是否全部完成*/ if(Snake.Level=2