File content as of revision 1:8546d208bd4f:

#include "mbed.h"
#include "USBKeyboard.h"

Serial pc(USBTX, USBRX);

AnalogIn inputx(PTB0); // AnalogIn inputx(PTB0);
AnalogIn inputy(PTB1); //AnalogIn inputy(PTB1);
AnalogIn inputz(PTB2); //AnalogIn inputz(PTB2);

Timeout debounceUp;
Timeout debounceDown;
Timeout middle1;
Timeout middle2;


PwmOut led1(LED1);
PwmOut led2(LED2);
PwmOut led3(LED3);

int xR; 
int yR; 
int zR;

int sumX;
int sumY;
int sumZ;
 

int x1=0; // variable for initialization
int y1=0; // variable for initialization
int z1=0; // variable for initialization


int x=0; // variable for x axes
int y=0; // variable for y axes
int z=0; // variable for z axes


bool midFl1 = 1;
bool midFl2 = 1;
bool dwn = 0;
bool up = 0;

void DBUp(){
    up = 0;
    }

void DBDown(){
    dwn = 0;
    }
    
void mid1(){
    midFl1 = 1;
    }

void mid2(){
    midFl2 = 1;
    }


int main() {
//led1=0.9;     
pc.baud(9600);   // baud rate: 9600 bps interaction with computer

wait(1);

for(int i =0; i < 10;i++){
    xR = inputx.read_u16();
    yR = inputy.read_u16();
    zR = inputz.read_u16();
    sumX += xR;
    sumY += yR;
    sumZ += zR;
}

x1 = sumX/10;
y1 = sumY/10;
z1 = sumZ/10;

//************Eric Algorithm******************
int status[]={0,0}; //0 means break,1 is up, 2 is down. status(0) is last, status(1) is current
int L=1; // 0 = not outputting, =1 is ouputting
//********************************************


USBKeyboard keyboard;
    while (true) {
        L=1;
        z = inputz.read_u16()-z1; //Calibration
        x = inputx.read_u16()-x1; //Calibration
        y = inputy.read_u16()-y1; //Calibration
//        pc.printf("X: %d Y: %d Z: %d \n\r", x,y,z);
         //Establish Up
        if (x > -800 && y < 1500 && up == 0) { 
//            status[0] = status[1];
//            status[1] = 1;
//            pc.printf("Down");
            keyboard.keyCode(UP_ARROW);
            led1 = 1;
            led2 = 0.9;
            led3 = 1;
            
            up = 1;
            
            debounceUp.attach(&DBDown, 0.100);
//            up = 0;

        }
         
         //Establish Down
        if(x < -3500 && y > 5000 && dwn == 0) {
//            status[0] = status[1];
//            status[1] = 2;
//                pc.printf("Up");
                keyboard.keyCode(DOWN_ARROW);
                led1 = 1;
                led2 = 1;
                led3 = 0.9;    
                dwn = 1;
                debounceDown.attach(&DBUp, 0.100);
//                dwn = 0;
                
        }
         
         //When not moving
         if (x < -2000 && x > -3000 && y < 4000 && y > 3000 && midFl1 == 1){
//            dwn = 0;
            up = 0;
            midFl1 = 0;
            middle1.attach(&mid1,0.50);
            led1 = 0.9;
            led2 = 1;
            led3 = 1;
        }
        
         if (x < -1000 && x > -2800 && y < 3000 && y > 2000 && midFl2 == 1){
            dwn = 0;
//            up = 0;
            midFl2 = 0;
            middle2.attach(&mid2,0.50);
            led1 = 0.9;
            led2 = 0.9;
            led3 = 1;
        }
         
        wait_ms(50);
    }
}