Question

Design a system (hardware and software) which consists of a servo motor and two sun detector and pic 16f877a to track the sun. servo motor

Using pic 16f877a and Micro C languge

Answer 1

osci OSC2 D XI - 1 C2 MI Į DKI Fat Amefur RBO ARAO PRAI Servo motore АК un MELR MCLR R2 U1 Vad

// system consist of servo motor and two sun detector and to track the sun unsigned int adcvalue, adcvaluel, adctemp; // Routine to show the value of the ADC_read unsigned int ShowADC (unsigned int adcvaluetemp) adctemp = adcvalue / 1000; adcvalue=adcvalue-1000*adctemp; adctemp = (adcvalue / 100); adcvalue=adcvalue-100*adctemp; adctemp = (adcvalue / 10); adcvalue=adcvalue-10*adctemp; adctemp = adcvalue; return adctemp; delay_ms (30); void Rotation () 1/0 Degree unsigned int i; for (i=0;i<50;i++) PORTB.B0 = 1; Delay_us (800); // pulse of 800us PORTB.BO = 0; Delay_us (19200);

void Rotation 90() //90 Degree unsigned int i; for(i=0;i<50; i++) PORTB.BO = 1; Delay_us (1500); // pulse of 1500us PORTB.BO = 0; Delay_us (18500); void Rotation180() //180 Degree unsigned int i; for(i=0;i<50;i++) PORTB.BO = 1; Delay_us (2200); // pulse of 2200us PORTB.BO = 0; Delay_us (17800); void main() TRISA = OxFF; // PORTA is input TRISB = 0; // PORTB as Ouput Port PORTB = 0;

adcvalue = ADC_Read(0); // Get 10-bit results of AD conversion ShowADC (adcvalue); Delay_ms(300); adcvalue1 = ADC_Read(1); // Get 10-bit results of AD conversion ShowADC (adcvalue1); Delay_ms (300); if (adcvalue==0 && adcvalue1==0) Rotation (); //0 Degree Delay_ms (2000); else if (adcvalue<150 && adcvalue1<150) Rotation 90(); //90 Degree Delay_ms (2000); else if (adcvalue>=150 && adcvalue1>=150) Rotation180 ; //180 Degree Delay_ms (2000); } while (1); } // end main