File content as of revision 8:069a607ef761:

//

//
#include <Motor.h>
#include <encoderKRAI.h>
#include <mbed.h>
// declare
Motor main_motor(PB_15, PB_14, PB_13 ); // input pin
DigitalOut pneu(PC_6);// input pin
DigitalOut pneu1(PC_5);// input pin
DigitalOut pneu2(PC_8);// input pin
DigitalIn infrared(PB_12, PullUp); // input pin
encoderKRAI encoder(PB_2,PB_1,538,encoderKRAI::X4_ENCODING);// input pin
Serial pc(USBTX, USBRX,115200);

int count, count_ball ;
double pulse, total_pulse,total_pulse_in_degree,theta,pwm;
double kp,ki,kd;
bool not_stop ;
double galat, integral, derivative;
double last_galat ;


void BacaEncoder(){// read encoder
    pulse = (double)encoder.getPulses();
    encoder.reset();
    total_pulse += pulse;
    total_pulse_in_degree = total_pulse*360/538;
}

void PID(double theta){
        //pid
        galat = theta - total_pulse_in_degree;
        derivative = galat - last_galat;

        pwm =  (0.006*galat);

        //limit the power of motor, the max power can be changed
        if (pwm > 0.6) pwm = 0.6;
        else if (pwm < -0.6) pwm = -0.6;
}

void MoveMotor(double theta){
    not_stop = 1;
    last_galat = theta;
    total_pulse =0;
    integral = 0;

    // move motor
    last_galat = theta;
    while ((not_stop) && theta!=0){
        BacaEncoder();
        //PID(theta);
        galat = theta - total_pulse_in_degree;
        derivative = galat - last_galat;
        integral += galat;
        pwm =  (0.007*galat)+(derivative*3) ;

        //limit the power of motor, the max power can be changed
        if (pwm > 0.6) pwm = 0.6;
        else if (pwm < -0.6) pwm = -0.6;
        // set speed motor
        if ((pwm > 0.1) || (pwm < -0.1)) main_motor.speed(pwm);
        else {
            main_motor.speed(0);
            main_motor.brake(1);
            not_stop = 0;
            break;
        }
        
        last_galat = galat;
        pc.printf("%f.2 \n",pwm);
        if (fabs(total_pulse_in_degree) > 120){
            main_motor.speed(0);
            main_motor.brake(1);            
            not_stop = 0;
            break;
        }
    }
}
int t1;

int main(){
    pneu = 1;
    encoder.reset();
    int state = 1;
    wait(1);
    count_ball = 0;
    
    while (count_ball<6){
        pc.printf("%d \n",count_ball);
        if (state && !infrared) {
            wait(1);
            state = 0 ;
            pneu = 0;                   // menembakkan bola
            wait(1);
            count_ball++;
                    // menggerakkan motor
            if (count_ball == 2) MoveMotor(60);
            else if (count_ball == 4) MoveMotor(90);
            wait(1);
            

        } else {
            pneu = 1;
            state = 1;
            wait(1);
        }
    
    }
}