4 directional EMG control of the XY table. Made during my bachelor end assignment.

Dependencies:   C12832_lcd HIDScope mbed-dsp mbed

main.cpp

Committer:
jessekaiser
Date:
2015-04-29
Revision:
17:03f523424eb2
Parent:
16:cdb6d66c2c4e
Child:
18:71a01477e264

File content as of revision 17:03f523424eb2:

#include "mbed.h"
#include "C12832_lcd.h"

#define P_GAIN 0.998

DigitalOut Dir(p21);
PwmOut Step(p22);
DigitalOut Enable(p14);
DigitalOut MS1(p27);
DigitalOut MS2(p28);
DigitalOut MS3(p29);
AnalogIn Pot1(p19);
AnalogIn Pot2(p20);
C12832_LCD lcd;

BusIn Joystick(p12,p13,p14,p15,p16);
DigitalIn Up(p15);
DigitalIn Down(p12);
int main()
{
    Enable = 0;
    float setpoint = 7000; //Frequentie
    float step_freq = 1;
    MS1 = 1;
    MS2 = 0;
    MS3 = 0;
    float p1;
    int dir1;

    Step.period(1./step_freq); // 1 kHz, vanaf 2,5 kHz doet de motor het niet meer.
    Step.write(0.5); // Duty cycle van 50%
    // Dir = Pot1; // Dir 1 is naar boven, Dir 0 naar onder.
    Enable = 1;
    while (1) {

        if (p1 < 0) { //Directie controle. 
            Dir = 0;
        } else if (p1 > 0) {
            Dir = 1;
        }
        p1 = Pot1.read() - 0.500; //Offset creëren [-0.500;0.500]
        //Dir = dir1;
        float new_step_freq;
        //new_step_freq = ((1-P_GAIN)*setpoint) + (P_GAIN*step_freq);
        new_step_freq = (setpoint*p1*2);
        step_freq = abs(new_step_freq); //Geeft een frequentie in 100 stappen. 
        Step.period(1.0/step_freq); 
        wait(0.1); //Hier nog ticker inbouwen
        lcd.printf("Spd %.0f Hz p1 %.2f \n", step_freq, p1); //snelheid meting op lcd, zonder decimalen

    }
}