基于s51单片机的直流电机测速系统
#include
#define uchar unsigned char
#define uint unsigned int
#define ulong unsigned long
#define LED_DAT P0
sbit LED_SEG0 = P2^7;
sbit LED_SEG1 = P2^6;
sbit LED_SEG2 = P2^5;
sbit LED_SEG3 = P2^4;
#define TIME_CYLC 100 //12M晶振，定时器10ms 中断一次 我们1秒计算一次转速 // 1000ms/10ms = 100
#define PLUS_PER 10 //码盘的齿数 ，这里假定码盘上有10个齿，即传感器检测到10个脉冲，认为1圈
#define K 1.65 //校准系数
unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
uchar data Disbuf[4];// 显示缓冲区
uint Tcounter = 0; //时间计数器
bit Flag_Fresh = 0; // 刷新标志
bit Flag_clac = 0; //计算转速标志
bit Flag_Err = 0; //超量程标志
void DisplayFresh();//在数码管上显示一个四位数
void ClacSpeed();//计算转速，并把结果放入数码管缓冲区
void init_timer();//初始化定时器T0\T1
void Delay(uint ms);//延时函数
void it_timer0() interrupt 1 /* interrupt address is 0x000b */
{
TF0 = 0; //定时器 T0用于数码管的动态刷新
TH0 = 0xC0;
TL0 = 0x00;
Flag_Fresh = 1;
Tcounter++;
if(Tcounter>TIME_CYLC)
{ Flag_clac = 1;//周期到，该重新计算转速了
}
}
void it_timer1() interrupt 3 /* interrupt address is 0x001b */
{
TF1 = 0; //定时器T1用于单位时间内收到的脉冲数
//要速度不是很快，T1永远不会益处
Flag_Err = 1; //如果速度很高，我们应考虑另外一种测速方法：T测速法
}
void main(void)
{
Disbuf[0] = 0; //开机时，初始化为0000
Disbuf[1] = 0;
Disbuf[2] = 0;
Disbuf[3] = 0;
init_timer();
while(1)
{
if(Flag_Fresh)
{ Flag_Fresh = 0;
DisplayFresh(); // 定时刷新数码管显示
}
if(Flag_clac)
{ Flag_clac = 0;
ClacSpeed(); //计算转速，并把结果放入数码管缓冲区
Tcounter = 0;//周期定时 清零
TH1=TL1 = 0x00;//脉冲计数清零
}
if(Flag_Err) //超量程处理
{
Disbuf[0] = 0x9e; //开机时，初始化为0000
Disbuf[1] = 0x9e;
Disbuf[2] = 0x9e;
Disbuf[3] = 0x9e;
while(1)
{ DisplayFresh();//不再测速 等待复位i
}
}
}
}
//在数码管上显示一个四位数
void DisplayFresh()
{
P2 |= 0xF0;
LED_SEG0 = 0;
LED_DAT = table[Disbuf[0]];
Delay(1);
P2 |= 0xF0;
LED_SEG1 = 0;
LED_DAT = table[Disbuf[1]];
Delay(1);
P2 |= 0xF0;
LED_SEG2 = 0;
LED_DAT = table[Disbuf[2]];
Delay(1);
P2 |= 0xF0;
LED_SEG3 = 0;
LED_DAT = table[Disbuf[3]];
Delay(1);
P2 |= 0xF0;
}
//计算转速，并
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资源详情
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1.46KB </span>","children":null,"spread":false},{"title":"Backup of 直流电机测速原理图.Sch <span style='color:#111;'> 9.62KB </span>","children":null,"spread":false},{"title":"123.ASM <span style='color:#111;'> 4.05KB </span>","children":null,"spread":false},{"title":"Previous Backup of 显示部分.PCB <span style='color:#111;'> 77.40KB </span>","children":null,"spread":false},{"title":"123.OBJ <span style='color:#111;'> 1.42KB </span>","children":null,"spread":false},{"title":"MyDesign.Bkp <span style='color:#111;'> 192.00KB </span>","children":null,"spread":false},{"title":"1.Bkp <span style='color:#111;'> 192.00KB </span>","children":null,"spread":false},{"title":"Backup of PCB1.PCB <span style='color:#111;'> 82.79KB </span>","children":null,"spread":false},{"title":"电动机测速.DSN <span style='color:#111;'> 115.15KB </span>","children":null,"spread":false},{"title":"Backup Of 电动机测速.DBK <span style='color:#111;'> 111.69KB </span>","children":null,"spread":false},{"title":"Previous Backup of 总图.PCB <span style='color:#111;'> 101.36KB </span>","children":null,"spread":false},{"title":"测速_Opt.Bak <span style='color:#111;'> 859B </span>","children":null,"spread":false},{"title":"CLIENT~1.DDB <span style='color:#111;'> 438.00KB </span>","children":null,"spread":false},{"title":"测速.hex <span style='color:#111;'> 2.82KB </span>","children":null,"spread":false},{"title":"123.hex <span style='color:#111;'> 807B </span>","children":null,"spread":false},{"title":"测速.Uv2 <span style='color:#111;'> 1.61KB </span>","children":null,"spread":false},{"title":"Backup of 显示部分.PCB <span style='color:#111;'> 77.40KB </span>","children":null,"spread":false},{"title":"Backup of 总图.PCB <span style='color:#111;'> 101.36KB </span>","children":null,"spread":false},{"title":"Previous Backup of 测量部分.Sch <span style='color:#111;'> 6.86KB </span>","children":null,"spread":false},{"title":"Previous Backup of PCB1.PCB <span style='color:#111;'> 82.79KB </span>","children":null,"spread":false},{"title":"123.Opt <span style='color:#111;'> 958B </span>","children":null,"spread":false},{"title":"Backup of 测量部分.Sch <span style='color:#111;'> 6.86KB </span>","children":null,"spread":false},{"title":"123_Opt.Bak <span style='color:#111;'> 959B </span>","children":null,"spread":false},{"title":"Previous Backup of 测量部分.PCB <span style='color:#111;'> 53.04KB </span>","children":null,"spread":false},{"title":"Previous Backup of 直流电机测速原理图.Sch <span style='color:#111;'> 9.62KB </span>","children":null,"spread":false},{"title":"测速.Opt <span style='color:#111;'> 859B </span>","children":null,"spread":false},{"title":"Text1.OBJ <span style='color:#111;'> 3.65KB </span>","children":null,"spread":false},{"title":"123.C <span style='color:#111;'> 4.18KB </span>","children":null,"spread":false},{"title":"Backup of CLIENT~1.RCS <span style='color:#111;'> 242.68KB </span>","children":null,"spread":false},{"title":"Previous Backup of Sheet1.Sch <span style='color:#111;'> 6.79KB </span>","children":null,"spread":false},{"title":"Backup of Sheet1.Sch <span style='color:#111;'> 936B </span>","children":null,"spread":false},{"title":"Text1.c <span style='color:#111;'> 3.17KB </span>","children":null,"spread":false},{"title":"MyDesign.ddb <span style='color:#111;'> 192.00KB </span>","children":null,"spread":false},{"title":"电动机测速.PWI <span style='color:#111;'> 792B </span>","children":null,"spread":false},{"title":"Text1.LST <span style='color:#111;'> 6.04KB </span>","children":null,"spread":false},{"title":"Backup of 测量部分.PCB <span style='color:#111;'> 53.04KB </span>","children":null,"spread":false},{"title":"测速.M51 <span style='color:#111;'> 11.93KB </span>","children":null,"spread":false},{"title":"测速 <span style='color:#111;'> 3.42KB </span>","children":null,"spread":false},{"title":"电机测速.Bkp <span style='color:#111;'> 1.14MB </span>","children":null,"spread":false},{"title":"测速.lnp <span style='color:#111;'> 41B </span>","children":null,"spread":false},{"title":"电机测速.ddb <span style='color:#111;'> 454.00KB </span>","children":null,"spread":false},{"title":"123.plg <span style='color:#111;'> 2.10KB </span>","children":null,"spread":false},{"title":"123.M51 <span style='color:#111;'> 7.31KB </span>","children":null,"spread":false}],"spread":false}],"spread":true}]
评论信息
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jackkiddd :有代码 适合初学者参考2015-08-16 -
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Owen_Gun :很好,很实用,要是附普通原理图就更好了,不是每个人都会用protel99的2015-08-08
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巍巍秦岭 :东西非常不错，对我毕设有很大帮助，谢谢2015-07-14
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liukunox :可以运行，代码注释也比较完整2014-04-26
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yeswin888 :如果带上注释会比较好~2013-08-28
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本站所有资源不代表本站的观点或立场，基于网友分享，根据中国法律《信息网络传播权保护条例》第二十二条之规定，若资源存在侵权或相关问题请联系本站客服人员，zhiweidada#qq.com，请把#换成@，本站将给予最大的支持与配合，做到及时反馈和处理。关于更多版权及免责申明参见 版权及免责申明