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pic16f877a
اینم کد:
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pic16f877a
اینم کد:
کد:
//LCD Module Connections
sbit LCD_RS at RB4_bit;
sbit LCD_EN at RB5_bit;
sbit LCD_D4 at RB0_bit;
sbit LCD_D5 at RB1_bit;
sbit LCD_D6 at RB2_bit;
sbit LCD_D7 at RB3_bit;
sbit LCD_RS_Direction at TRISB4_bit;
sbit LCD_EN_Direction at TRISB5_bit;
sbit LCD_D4_Direction at TRISB0_bit;
sbit LCD_D5_Direction at TRISB1_bit;
sbit LCD_D6_Direction at TRISB2_bit;
sbit LCD_D7_Direction at TRISB3_bit;
//End LCD Module Connections
int powerFactor()
{
int a=0,b=0,t=0,x=0;
float tm,pf;
TMR1L=0;
TMR1H=0;
do
{
if(PORTA.F0 == 1)
T1CON.F0 = 1;
else if(PORTA.F0 == 0 && T1CON.F0 == 1)
{
T1CON.F0 = 0;
break;
}
}while(1);
a = (TMR1L | (TMR1H<<8)) * 2;
TMR1L=0;
TMR1H=0;
do
{
if(PORTA.F0 == 1)
{
T1CON.F0=1;
if(PORTA.F1==1)
{
T1CON.F0=0;
break;
}
}
}while(1);
b = TMR1L | (TMR1H<<8);
tm = (float)b/a;
pf = cos(tm*2*3.14);
x=abs(ceil(pf*100));
return x;
}
void main()
{
char c[]="0.00";
int a,b,d,x,f,e;
float tm,pf;
Lcd_Init();
Lcd_Cmd(_LCD_CURSOR_OFF); // Cursor off
ADCON1 = 0x08; // To configure PORTA pins as digital
TRISA.F0 = 1; // Makes First pin of PORTA as input
TRISA.F1 = 1; //Makes Second pin of PORTA as input
TRISD.F0 = 0; //Makes Fist pin of PORTD as output
TRISD.F1 = 0; //Makes Second pin of PORTD as output
while(1)
{
a = powerFactor();
Delay_us(50);
b = powerFactor();
Delay_us(50);
d = powerFactor();
Delay_us(50);
e = powerFactor();
Delay_us(50);
f = powerFactor();
x = (a+b+d+f+e)/5;
c[3]=x%10 + 0x30;
x=x/10;
c[2]=x%10 + 0x30;
x=x/10;
c[0]=x%10 + 0x30;
Lcd_Out(1,1,"Power Factor");
Lcd_Out(2,1,c);
if(x<90)
{
PORTD.F0 = 1;
PORTD.F0 = 1;
Delay_ms(2000);
}
else
{
PORTD.F0 = 0;
PORTD.F0 = 0;
}
Delay_ms(250);
}
}
دیدگاه