单片机C语言程序设计实训例Word格式文档下载.docx
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名称:
从左到右的流水灯/*
LED个接在P0口的8说明:
产生走从左到右循环依次点亮,马灯效果*/
intrins.h>
1
上海师范大学信息与机电工程学院—倪继锋
for(i=0;
}
//主程序
voidmain()
P0=0xfe;
while
(1)
{
P0=_crol_(P0,1);
//P0的值向左循环移动
DelayMS(150);
038只LED左右来回点亮
/*名称:
8只LED左右来回点亮
说明:
程序利用循环移位函数_crol_和_cror_形成来回滚动的效果
*/
//延时voidDelayMS(uintx)
主程序//voidmain()
P2=0x01;
7;
i++)
P2=_crol_(P2,1);
//P2的值向左循环移动
2
P2=_cror_(P2,1);
//P2的值向右循环移动
04花样流水灯
花样流水灯/*
分两组只LED说明:
16按预设的多种花样变换显示*/
ucharcodePattern_P0[]=
0xfc,0xf9,0xf3,0xe7,0xcf,0x9f,0x3f,0x7f,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xe7,0xdb,0xbd,0x7e,0xbd,0xdb,0xe7,0xff,0xe7,0xc3,0x81,0x00,0x81,0xc3,0xe7,0xff,
0xaa,0x55,0x18,0xff,0xf0,0x0f,0x00,0xff,0xf8,0xf1,0xe3,0xc7,0x8f,0x1f,0x3f,0x7f,
0x7f,0x3f,0x1f,0x8f,0xc7,0xe3,0xf1,0xf8,0xff,0x00,0x00,0xff,0xff,0x0f,0xf0,0xff,
0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe,
0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,
0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff
};
ucharcodePattern_P2[]=
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfc,0xf9,0xf3,0xe7,0xcf,0x9f,0x3f,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f,
0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00,
0x00,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
3
while(x--)
uchari;
{//从数组中读取数据送至P0和P2口显示
136;
P0=Pattern_P0[i];
P2=Pattern_P2[i];
DelayMS(100);
LED模拟交通灯05
LED模拟交通灯/*名称:
说明:
东西向绿灯亮若干秒,黄
南红灯亮后,5次后红灯亮,灯闪烁北向由红灯变为绿灯,若干秒后南北此后变红灯,东西向变5向黄灯闪烁绿灯,如此重复。
//东西向灯sbitRED_A=P0^0;
sbitYELLOW_A=P0^1;
sbitGREEN_A=P0^2;
南北向灯//sbitRED_B=P0^3;
sbitYELLOW_B=P0^4;
sbitGREEN_B=P0^5;
ucharFlash_Count=0,Operation_Type=1;
//闪烁次数,操作类型变量//延时voidDelayMS(uintx)
while(x--)for(i=0;
4
//交通灯切换
voidTraffic_Light()
switch(Operation_Type)
case1:
//东西向绿灯与南北向红灯亮
RED_A=1;
YELLOW_A=1;
GREEN_A=0;
RED_B=0;
YELLOW_B=1;
GREEN_B=1;
DelayMS(2000);
Operation_Type=2;
break;
case2:
//东西向黄灯闪烁,绿灯关闭
DelayMS(300);
YELLOW_A=~YELLOW_A;
GREEN_A=1;
if(++Flash_Count!
=10)return;
//闪烁5次
Flash_Count=0;
Operation_Type=3;
case3:
//东西向红灯,南北向绿灯亮
RED_A=0;
RED_B=1;
GREEN_B=0;
Operation_Type=4;
case4:
//南北向黄灯闪烁5次
YELLOW_B=~YELLOW_B;
Operation_Type=1;
while
(1)Traffic_Light();
06单只数码管循环显示0~9
单只数码管循环显示0~9
主程序中的循环语句反复将0~9的段码送至P0口,使数字0~9循环显示
5
ucharcodeDSY_CODE[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};
//延时
voidDelayMS(uintx)
uchart;
while(x--)for(t=0;
t<
t++);
uchari=0;
P0=0x00;
/*{
P0=~DSY_CODE[i];
for(;
11;
i++){
*/另一方案//注:
DelayMS(300);
i=(i+1)_x0010_;
8只数码管滚动显示单个数字07
8只数码管滚动显示单个数字/*名称:
数码管从左到右依次滚动显示
,程序通过每次仅循环选通一只数码0~7管*/
ucharcodeDSY_CODE[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
6
uchari,wei=0x80;
8;
P2=0xff;
//关闭显示
wei=_crol_(wei,1);
P0=DSY_CODE[i];
//发送数字段码
P2=wei;
//发送位码
088只数码管动态显示多个不同字符
电路如上图
8只数码管动态显示多个不同字符
数码管动态扫描显示0~7。
uchart;
while(x--)for(t=0;
//发送段码
DelayMS
(2);
7
098只数码管闪烁显示数字串
8只数码管闪烁显示数字串
数码管闪烁显示由0~7构成的一串数字
本例用动态刷新法显示一串数字,在停止刷新时所有数字显示消失。
//段码表
//位码表
ucharcodeDSY_IDX[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
uchari,j;
30;
for(j=0;
j<
j++)
P0=0xff;
P0=DSY_CODE[j];
P2=DSY_IDX[j];
P2=0x00;
//关闭所有数码管并延时
DelayMS(1000);
108只数码管滚动显示数字串
8只数码管滚动显示数字串
8
数码管向左滚动显示3个字符构成的数字串
//下面数组看作环形队列,显示从某个数开始的8个数(10表示黑屏)
ucharNum[]={10,10,10,10,10,10,10,10,2,9,8};
uchari,j,k=0,m=0x80;
{//刷新若干次,保持一段时间的稳定显示
15;
{//发送段码,采用环形取法,从第k个开始取第j个
P0=DSY_CODE[Num[(k+j)]];
m=_crol_(m,1);
P2=m;
k=(k+1);
//环形队列首支针k递增,Num下标范围0~10,故对11取余
11K1-K4控制LED移位
K1-K4控制LED移位
按下K1时,P0口LED上移一位;
按下K2时,P0口LED下移一位;
按下K3时,P2口LED上移一位;
按下K4时,P2口LED下移一位;
9
口的按键移动根据P1//LED
voidMove_LED()
//K1((P1&
0x10)==0)P0=_cror_(P0,1);
if
//K2elseif((P1&
0x20)==0)P0=_crol_(P0,1);
//K3elseif((P1&
0x40)==0)P2=_cror_(P2,1);
//K4elseif((P1&
0x80)==0)P2=_crol_(P2,1);
最近按键ucharRecent_Key;
//P0=0xfe;
P2=0xfe;
P1=0xff;
Recent_Key=0xff;
if(Recent_Key!
=P1)
//保存最近按键Recent_Key=P1;
Move_LED();
DelayMS(10);
K1-K4按键状态显示12
K1-K4按键状态显示/*名称:
点亮,松开时熄灭,按下时LED、说明:
K1K2点亮,再次按下并释放时熄灭;
LEDK4K3、按下并释放时10
sbitLED1=P0^0;
sbitLED2=P0^1;
sbitLED3=P0^2;
sbitLED4=P0^3;
sbitK1=P1^0;
sbitK2=P1^1;
sbitK3=P1^2;
sbitK4=P1^3;
P0=0xff;
LED1=K1;
LED2=K2;
if(K3==0)
while(K3==0);
LED3=~LED3;
if(K4==0)
while(K4==0);
LED4=~LED4;
LED
分组控制13K1-K4
LEDK1-K4分组控制/*名称:
,全亮时再次按下则再次循环开始,LEDK1说明:
每次按下时递增点亮一只11
K2按下后点亮上面4只LED,K3按下后点亮下面4只LED,K4按下后关闭所有LED
uchark,t,Key_State;
t=P1;
if(t!
=0xff)
=P1)co