please help to interface servo with 8051 to increment the angle by 5 degree

[anik das]

 

hallo guys

I want to control a servo motor with 8051 microcontroller and to increment its angle by 5 degree and when its reach then after its get to 180 degree it will agian decrement its angle by 5 degree and reach to zero .

in proteus simulation its not happenig and stucked to 90..

 

i am attaching the proteus simulation where u can get the circuit[/COLOR] that i am using and i am aslo attaching the keil zip file where u can get the c code

 

please guys help me

 

u can also double click on the servo motor in proteus and make its maximum degree to 180 ..then it will get stuck to 180 degree 

please anyone help me

 

the actual project was here threaded in this site i just tried but stucked in it

 

PLEASE HELP

[anik das]

// Program to rotate servo by 5 degree from previous position starting from 0 degree

// 0 degree = 700us 
// 180 degree = 5500us
// Timer1 pulse after 50us -23

#include<reg51.h>
sbit output=P1^0; //Output to motor
int count;

void delay(unsigned int msec) // Function for delay
{
int i,j;
for(i=0;i<msec;i++)
for(j=0;j<1275;j++);
} 

void timer(int msec) // Function for timer
{
int i;
TR1=1;
for(i=0;i<msec;i++)
{
while(TF1==0);
TF1=0;
}
TR1=0;
}
void main()
{
int i;
TMOD=0x20; // Mode2
TH1= -23; // 50usec timer
output=0;
count=14;
while(1)
{
if(count>=100)
count=14;
else
count=count+5;
for(i=0;i<200;i++)
{
output=1;
timer(count);
output=0;
timer(360);
}
delay(100);
}
}


the code is like this

 

[anik das]

wysiwyg_imageupload:7195:

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