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单片机C语言程序设计实训100例

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《单片机C语言程序设计实训100例---基于8051和PROTEUS仿真》案例

《单片机C语言程序设计实训100例—基于8051+Proteus仿真》案例

第 01 篇 基础程序设计

01 闪烁的LED

/* 名称:闪烁的LED 说明:LED按设定的时间间隔闪烁 */

#include

#define uchar unsigned char #define uint unsigned int sbit LED=P1^0; //延时

void DelayMS(uint x) { uchar i; while(x--) { for(i=0;i<120;i++); } }

//主程序 void main() { while(1) { LED=~LED; DelayMS(150); } }

02 从左到右的流水灯

/* 名称:从左到右的流水灯 说明:接在P0口的8个LED从左到右循环依次点亮,产生走马灯效果 */

#include #include

#define uchar unsigned char #define uint unsigned int

1

上海师范大学信息与机电工程学院—倪继锋

《单片机C语言程序设计实训100例---基于8051和PROTEUS仿真》案例

//延时

void DelayMS(uint x) { uchar i; while(x--) { for(i=0;i<120;i++); } }

//主程序 void main() { P0=0xfe; while(1) { P0=_crol_(P0,1); //P0的值向左循环移动 DelayMS(150); } }

03 8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 */

#include #include

#define uchar unsigned char #define uint unsigned int //延时

void DelayMS(uint x) { uchar i; while(x--) { for(i=0;i<120;i++); } }

//主程序 void main() { uchar i; P2=0x01; while(1) {

2

上海师范大学信息与机电工程学院—倪继锋

《单片机C语言程序设计实训100例---基于8051和PROTEUS仿真》案例

for(i=0;i<7;i++) { P2=_crol_(P2,1); //P2的值向左循环移动 DelayMS(150); } for(i=0;i<7;i++) { P2=_cror_(P2,1); //P2的值向右循环移动 DelayMS(150); } } }

04 花样流水灯

/* 名称:花样流水灯 说明:16只LED分两组按预设的多种花样变换显示 */

#include

#define uchar unsigned char #define uint unsigned int uchar code Pattern_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 };

uchar code Pattern_P2[]= {

0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfc,0xf9,0xf3,0xe7,0xcf,0x9f,0x3f,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, 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

上海师范大学信息与机电工程学院—倪继锋

《单片机C语言程序设计实训100例---基于8051和PROTEUS仿真》案例

0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff }; //延时

void DelayMS(uint x) { uchar i; while(x--) { for(i=0;i<120;i++); } }

//主程序 void main() { uchar i; while(1) { //从数组中读取数据送至P0和P2口显示 for(i=0;i<136;i++) { P0=Pattern_P0[i]; P2=Pattern_P2[i]; DelayMS(100); } } }

05 LED模拟交通灯

/* 名称:LED模拟交通灯 说明:东西向绿灯亮若干秒,黄灯闪烁5次后红灯亮, 红灯亮后,南北向由红灯变为绿灯,若干秒后南北向黄灯闪烁5此后变红灯,东西向变绿灯,如此重复。 */

#include

#define uchar unsigned char #define uint unsigned int

sbit RED_A=P0^0; //东西向灯 sbit YELLOW_A=P0^1; sbit GREEN_A=P0^2;

sbit RED_B=P0^3; //南北向灯 sbit YELLOW_B=P0^4; sbit GREEN_B=P0^5;

uchar Flash_Count=0,Operation_Type=1; //闪烁次数,操作类型变量

4

上海师范大学信息与机电工程学院—倪继锋

《单片机C语言程序设计实训100例---基于8051和PROTEUS仿真》案例

//延时

void DelayMS(uint x) { uchar i; while(x--) for(i=0;i<120;i++); }

//交通灯切换

void Traffic_Light() { switch(Operation_Type) { case 1: //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; case 2: //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; break; case 3: //东西向红灯,南北向绿灯亮 RED_A=0;YELLOW_A=1;GREEN_A=1; RED_B=1;YELLOW_B=1;GREEN_B=0; DelayMS(2000); Operation_Type=4; break; case 4: //南北向黄灯闪烁5次 DelayMS(300); YELLOW_B=~YELLOW_B;GREEN_B=1; if(++Flash_Count!=10) return; Flash_Count=0; Operation_Type=1; } }

//主程序 void main() { while(1) Traffic_Light(); }

06 单只数码管循环显示0~9

上海师范大学信息与机电工程学院—倪继锋

5

单片机C语言程序设计实训100例

《单片机C语言程序设计实训100例---基于8051和PROTEUS仿真》案例《单片机C语言程序设计实训100例—基于8051+Proteus仿真》案例第01篇基础程序设计01闪烁的LED/*名称:闪烁的LED说明:LED按设定的时间间隔闪烁*/#include
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