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电脑控制单片机视频演示：
有需要直接下载就可以了,附件里面还有视频演示，和下位机单片机的源码
单片机源程序如下:
- /**********************单片机与PC机通讯例程************************
- * STC89C52RC+
- * 编写：颜
- * 晶振:11.0592MHZ
- ******************************************************************/
- #include <reg52.h>
- #define jingzhen 11059200UL /*使用22.1184M晶体*/
- #define botelv 9600UL /*波特率定义为9600*/
- volatile unsigned char sending;
- #define uchar unsigned char
- #define uint unsigned int
- #define ulong unsigned long
- uchar code LED_L[] = {0xfe, 0xfd, 0xfb, 0xf7, 0xef, 0xdf, 0xbf, 0x7f};
- uchar code LED_R[] = {0x7f, 0xbf, 0xdf, 0xef, 0xf7, 0xfb, 0xfd, 0xfe};
- uchar code LED_1[] = {0xe7, 0xe7, 0xdb, 0xdb, 0xbd, 0xbd, 0x7e, 0x7e};
- uchar code LED_2[] = {0x7e, 0x7e, 0xbd, 0xbd, 0xdb, 0xdb, 0xe7, 0xe7};
- #define u16 unsigned int
- #define u8 unsigned char
- //流水灯
- u16 LED_Delay = 0;
- u8 KeyFlag = 0;
- u8 LEDState = 0;
- u8 Data = 0;
- u8 Flag = 0;
- void delay(unsigned char i)
- {
- unsigned char j,k;
- for(j=i;j>0;j--)
- for(k=90;k>0;k--);
- }
- void init(void) //串口初始化
- {
- EA=0; //暂时关闭中断
- TMOD&=0x01; //定时器0工作在16位模式
- TMOD|=0x20; //定时器1工作在模式2，自动重装模式
- SCON=0x50; //串口工作在模式1
- TH1=256-jingzhen/(botelv*12*16); //计算定时器重装值
- TL1=256-jingzhen/(botelv*12*16);
- PCON|=0x80; //串口波特率加倍
- ES=1; //串行中断允许
- TR1=1; //启动定时器1
- REN=1; //允许接收
- //定时器0
- TH0 = (65535 - 5000) >> 8; //写入定时器0初值
- TL0 = (65535 - 5000);
- ET0 = 1; //打开定时器0中断
- TR0 = 1; //启动定时器0
- EA=1; //允许中断
- }
- void main()
- {
- init();
- while(1)
- {
- if(Flag != 0)
- {
- Flag = 0;
- KeyFlag = 0;
- switch(Data) //补充用户所需代码
- {
- case 0x00:P0 = 0xfe;break; //第一个按键
- case 0x01:P0 = 0xfd;break;
- case 0x02:P0 = 0xfb;break;
- case 0x03:P0 = 0xf7;break;
- case 0x04:P0 = 0xef;break;
- case 0x05:P0 = 0xdf;break;
- case 0x06:P0 = 0xbf;break;
- case 0x07:P0 = 0x7f;break;
- case 0x08:KeyFlag = 1;LEDState = 0;break;
- case 0x09:KeyFlag = 2;LEDState = 0;break;
- case 0x0A:KeyFlag = 3;break;
- case 0x0B:KeyFlag = 4;break;
- case 0x0C:break;
- case 0x0D:break;
- case 0x0E:break;
- case 0x0F:break;
- }
- }
- if(KeyFlag != 0)
- {
- switch(LEDState)
- {
- case 0:
- case 2:
- case 4:
- case 6:
- case 8:
- case 10:
- case 12:
- case 14:
- LED_Delay = 0;
- switch(KeyFlag)
- {
- case 1:P0 = LED_L[LEDState/2];break; //流水灯左模式
- case 2:P0 = LED_R[LEDState/2];break; //流水灯右模式
- case 3:P0 = LED_1[LEDState/2];break;
- case 4:P0 = LED_2[LEDState/2];break;
- }
- LEDState++;
- break;
-
- default:
- if(LED_Delay >= 50)
- {
- LED_Delay = 0;
- LEDState++;
- if(LEDState == 16)
- {
- LEDState = 0;
- }
- }
- break;
- }
- }
- }
- }
- void uart(void) interrupt 4 //串口发送中断
- {
- if(RI) //收到数据
- {
- RI=0; //清中断请求
- ……………………
- …………限于本文篇幅 余下代码请从51黑下载附件…………
所有资料51hei提供下载:
电脑控制单片机小软件.rar
(16.36 MB, 下载次数: 83)
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