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@ -7,7 +7,8 @@ |
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sbit SRCLK=P3^6; //移位寄存器时钟输入
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sbit RCLK=P3^5; //存储寄存器时钟输入
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sbit SER=P3^4; //串行数据输入
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sbit BEEP=P1^5; //音乐
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sbit led = P2^0; |
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#define LEDDZ_COL_PORT P0 //点阵列控制端口
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u8 death[8]={0x00,0x38,0x6e,0x7c,0x7c,0x6e,0x38,0x00}; |
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@ -16,48 +17,65 @@ u8 gled_col[8]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};//LED |
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u8 map[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; |
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u8 step[4][2] = {{1,0},{0,1},{-1,0},{0,-1}}; |
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u8 timer_level[3] = {0x4c,0x50,0x60};//难度控制
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u8 level = 0; |
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u8 queue_x[65]; |
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u8 queue_y[65]; |
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u8 leader=0; |
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u8 tail=0; |
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u8 length=0; |
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u8 queue_x[65]; //循环队列x坐标
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u8 queue_y[65]; //循环队列y坐标
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u8 leader=0; //头指针
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u8 tail=0; //尾指针
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u8 length=0; //队列长度
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u8 act=0; |
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u8 game_over=0; |
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u8 turn=0; |
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u8 act=0; //是否执行
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u8 game_over=0; //游戏是否结束
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u8 turn=0; //转向方向
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u8 direction=0; |
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u8 head_x = 3; |
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u8 head_y = 3; |
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u8 direction=0; //当前方向
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u8 head_x = 3; //蛇头部节点x轴
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u8 head_y = 3; //蛇头部节点y轴
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u8 apple_x=4; |
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u8 apple_y=4; |
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u8 apple_x=4; //食物节点x轴
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u8 apple_y=4; //食物节点y轴
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u8 timer = 0; |
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u8 timer = 0; //中断次数
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u16 sound_long = 0; //声音持续时间
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u8 i; |
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u8 j; |
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/*******************************************************************************
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* 函 数 名 : hc595_write_data(u8 dat) |
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* 函数功能 : 向74HC595写入一个字节的数据 |
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* 输 入 : dat：数据 |
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* 输 出 : 无 |
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*******************************************************************************/ |
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//music
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u8 music_index = 0; |
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u8 soundtone_end[] = {6,5,4,3,2,1,1,2}; |
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u16 soundlong_end[] ={1,1,1,1,1,1,2,1}; |
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u8 freq_h[7] = {0XFC,0XFC,0XFD,0XFD,0XFD,0XFD,0XFE}; //音调 1 2 3 4 5 6 7
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u8 freq_l[7] = {0X44,0XAC,0X09,0X34,0X82,0XC8,0X06}; |
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u16 freq[7] = {261.6,293.6,329.6,349.2,392,440,493.8};//对应频率
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void display(u8 x, u8 y) |
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void play_init() //初始化
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{ |
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TR1 = 0; |
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music_index = 0; |
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BEEP = 0; |
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timer1_reset(0xff,0xff); |
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} |
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void play_death() //死亡后执行
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{ |
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TR1=1; |
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} |
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void display(u8 x, u8 y) //显示某个点
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{ |
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u8 one = 0x01; |
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map[x] = map[x] + (one<<y); |
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} |
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void del(u8 x, u8 y) |
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void del(u8 x, u8 y) //取消显示某个点
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{ |
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u8 one = 0x01; |
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map[x] = map[x] - (one<<y); |
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} |
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void push(u8 x, u8 y) |
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void push(u8 x, u8 y) //循环队列：入队列
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{ |
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leader++; |
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length++; |
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@ -67,7 +85,7 @@ void push(u8 x, u8 y) |
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display(x,y); |
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} |
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void pop() |
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void pop() //循环队列：出队列
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{ |
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u8 one = 0x01; |
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tail++; |
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@ -77,8 +95,7 @@ void pop() |
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} |
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void hc595_write_data(u8 dat) |
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void hc595_write_data(u8 dat) //数据写一排
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{ |
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u8 i=0; |
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for(i=0;i<8;i++)//循环8次即可将一个字节写入寄存器中
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@ -95,7 +112,7 @@ void hc595_write_data(u8 dat) |
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RCLK=1;//存储寄存器时钟上升沿将前面写入到寄存器的数据输出
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} |
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void show(u8 gled_row[8]) |
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void show(u8 gled_row[8]) //点阵显示
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{ |
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u8 i=0; |
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for(i=0;i<8;i++)//循环8次扫描8行、列
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@ -107,7 +124,7 @@ void show(u8 gled_row[8]) |
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} |
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} |
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void monitor_key() |
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void monitor_key() //监控按键
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{ |
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u8 key=key_scan(0); |
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if(key==KEY1_PRESS) |
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@ -120,17 +137,16 @@ void monitor_key() |
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} |
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else if(key==KEY3_PRESS) |
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{ |
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level = (level+1)%2; |
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} |
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else if(key==KEY4_PRESS) |
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{ |
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} |
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} |
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void timer0() interrupt 1 |
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void timer0() interrupt 1 //定时器0 控制每一步时间间隔
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{ |
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timer0_reset(0x4c,0x00); |
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led = 0; |
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//timer0_reset(0x4c,0x00);
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timer0_reset(timer_level[level],0x00); |
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timer++; |
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if(timer==15) |
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{ |
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@ -138,8 +154,20 @@ void timer0() interrupt 1 |
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act=1; |
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} |
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} |
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void timer1() interrupt 3 //定时器1 控制音乐播放速度
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{ |
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BEEP = !BEEP; |
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sound_long++; |
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timer1_reset(freq_h[soundtone_end[music_index]-1],freq_l[soundtone_end[music_index]-1]); |
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if(sound_long > soundlong_end[music_index] * freq[music_index]) |
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{ |
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music_index++; |
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sound_long = 0; |
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} |
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if(music_index==6){TR1 = 0;} |
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} |
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void rand_apple() |
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void rand_apple() //随机生成食物（包括避免生成在自己身上）
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{ |
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u8 k; |
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u8 rand=TL0%(64-length); |
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@ -158,7 +186,7 @@ void rand_apple() |
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over = 1; |
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} |
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} |
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if(over == 0)// over == 0 but not run rightly
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if(over == 0) |
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{ |
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if(count == rand) |
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{ |
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@ -175,14 +203,17 @@ void rand_apple() |
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void main() |
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{ |
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u8 i=0; |
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timer0_init(0x01,0x4c,0x00); |
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timer_init(); |
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play_init(); |
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push(head_x,head_y); |
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rand_apple(); |
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display(apple_x, apple_y); |
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while(1) |
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{ |
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monitor_key(); |
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if(act && game_over == 0){ |
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direction += turn; |
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direction %= 4; |
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head_x += step[direction][0]; |
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@ -219,9 +250,11 @@ void main() |
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turn = 0; |
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act = 0; |
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} |
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if(game_over) |
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{ |
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show(death); |
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play_death(); |
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} |
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else |
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{ |
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leaf
3 years ago