File content as of revision 2:5fec7dd286d2:

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

Serial pc(USBTX, USBRX);

int sumX; // Used for zero averaging
int sumY; // Used for zero averaging
int sumZ; // Used for zero averaging

// Up/Down Accel //
AnalogIn inputUDx(PTB0);
AnalogIn inputUDy(PTB1);
AnalogIn inputUDz(PTB2);

int xUD1=0; // X-Offset
int yUD1=0; // Y-Offset
int zUD1=0; // Z-Offset

int xUD=0; // variable for x axes
int yUD=0; // variable for y axes
int zUD=0; // variable for z axes

// ----------- //

// Left/Right Accel //
AnalogIn inputLRx(PTB3);
AnalogIn inputLRy(PTC2);
AnalogIn inputLRz(PTC1);

int xLR1=0; // X-Offset
int yLR1=0; // Y-Offset
int zLR1=0; // Z-Offset

int xLR=0; // variable for x axes
int yLR=0; // variable for y axes
int zLR=0; // variable for z axes
// ----------- //

// Debugging LEDs //
PwmOut led1(LED1);
PwmOut led2(LED2);
PwmOut led3(LED3);
// ----------- //

//    ISRs     //
Timeout debounceUp; 
Timeout debounceDown;
Timeout debounceLeft; 
Timeout debounceRight;

Timeout middleUp;
Timeout middleDown;
Timeout middleLeft;
Timeout middleRight;

bool mFUp = 1;
bool mFDown = 1;
bool mFLeft = 1;
bool mFRight = 1;

bool dwn = 0;
bool up = 0;
bool lft = 0;
bool rht = 0;

// Debounce ISRs //
void DBUp(){up = 0;}

void DBDown(){dwn = 0;}

void DBLeft(){lft = 0;}

void DBRight(){rht = 0;}

//---------------//

// Middle Flag ISRs//
void midUp(){mFUp = 1;}

void midDown(){mFDown = 1;}

void midLeft(){mFLeft = 1;}

void midRight(){mFRight = 1;}
//---------------//

int main() {
    pc.baud(9600);
    wait(1);

    for(int i =0; i < 10;i++){
        xUD = inputUDx.read_u16();
        yUD = inputUDy.read_u16();
        zUD = inputUDz.read_u16();
        sumX += xUD;
        sumY += yUD;
        sumZ += zUD;
}

    xUD1 = sumX/10;
    yUD1 = sumY/10;
    zUD1 = sumZ/10;

    sumX = 0; // Reset sum terms for LR controller
    sumY = 0;
    sumZ = 0;

    for(int i =0; i < 10;i++){
        xLR = inputLRx.read_u16();
        yLR = inputLRy.read_u16();
        zLR = inputLRz.read_u16();
        sumX += xLR;
        sumY += yLR;
        sumZ += zLR;
}

    xLR1 = sumX/10;
    yLR1 = sumY/10;
    zLR1 = sumZ/10;

    USBKeyboard keyboard;
    while (true) {
        // Up/Down Read
        xUD = inputUDx.read_u16()-xUD1; 
        yUD = inputUDy.read_u16()-yUD1;
        zUD = inputUDz.read_u16()-zUD1;
        
        // Left/Right Read
        xLR = inputLRx.read_u16()-xLR1; 
        yLR = inputLRy.read_u16()-yLR1;
        zLR = inputLRz.read_u16()-zLR1; 


        //Establish Up
        if (xUD > -800 && yUD < 1500 && up == 0) { 
            keyboard.keyCode(UP_ARROW);
            led1 = 1;
            led2 = 0.9;
            led3 = 1;
            up = 1;
            debounceUp.attach(&DBDown, 0.100);
        }
         
        //Establish Down
        if(xUD < -3500 && yUD > 5000 && dwn == 0) {
            keyboard.keyCode(DOWN_ARROW);
            led1 = 1;
            led2 = 1;
            led3 = 0.9;    
            dwn = 1;
            debounceDown.attach(&DBUp, 0.100);
        }
         
        //Establish Left
        if (xLR > -800 && yLR < 1500 && lft == 0) { 
            keyboard.keyCode(LEFT_ARROW);
            led1 = 1;
            led2 = 0.9;
            led3 = 1;
            lft = 1;
            debounceRight.attach(&DBRight, 0.100);
        }
         
        //Establish Right
        if(xLR < -3500 && yLR > 5000 && rht == 0) {
            keyboard.keyCode(RIGHT_ARROW);
            led1 = 1;
            led2 = 1;
            led3 = 0.9;    
            rht = 1;
            debounceLeft.attach(&DBLeft, 0.100);
        }
         //When not moving
        if (xUD < -2000 && xUD > -3000 && yUD < 4000 && yUD > 3000 && mFUp == 1){
            up = 0;
            mFUp = 0;
            middleUp.attach(&midUp,0.50);
            led1 = 0.9;
            led2 = 1;
            led3 = 1;
        } // end if
        
         if (xUD < -1000 && xUD > -2800 && yUD < 3000 && yUD > 2000 && mFDown == 1){
            dwn = 0;
            mFDown = 0;
            middleDown.attach(&midDown,0.50);
            led1 = 0.9;
            led2 = 0.9;
            led3 = 1;
        } // end if

        if (xLR < -2000 && xLR > -3000 && yLR < 4000 && yLR > 3000 && mFLeft == 1){
            lft = 0;
            mFLeft = 0;
            middleLeft.attach(&midLeft,0.50);
            led1 = 0.9;
            led2 = 1;
            led3 = 1;
        } // end if
        
         if (xLR < -1000 && xLR > -2800 && yLR < 3000 && yLR > 2000 && mFRight == 1){
            rht = 0;
            mFRight = 0;
            middleRight.attach(&midRight,0.50);
            led1 = 0.9;
            led2 = 0.9;
            led3 = 1;
        } // end if
         
        wait_ms(50);
    } // end while
} // end main