《单片机 C 语言程序设计实训 100 例--- 基于 8051 和 PROTEUS 仿真》
《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
《单片机 C 语言程序设计实训 100 例--- 基于 8051 和 PROTEUS 仿真》
// 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
《单片机 C 语言程序设计实训 100 例--- 基于 8051 和 PROTEUS 仿真》
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
《单片机 C 语言程序设计实训 100 例--- 基于 8051 和 PROTEUS 仿真》
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;
sbit YELLOW_A=P0^1;
sbit GREEN_A=P0^2;
sbit RED_B=P0^3;
sbit YELLOW_B=P0^4;
sbit GREEN_B=P0^5;
//东西向灯
//南北向灯
uchar Flash_Count=0,Operation_Type=1; // 闪烁次数,操作类型变量
4