《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
#define uchar unsigned char #define uint unsigned int
1
//延时
void DelayMS(uint x) {
uchar i;
while(x--) { for(i=0;i<120;i++); }
}
//主程序 void main() { P0=0xfe; }
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
#define uchar unsigned char #define uint unsigned int //延时
void DelayMS(uint x) { uchar i;
while(x--) { }
for(i=0;i<120;i++);
while(1) { P0=_crol_(P0,1); //P0的值向左循环移动 DelayMS(150); }
}
//主程序 void main() {
uchar i; P2=0x01; while(1) {
2
}
}
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
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
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
//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
5