File content as of revision 13:7fe71170d157:

#include "wheelchair.h"

QEI wheel (D10, D9, NC, 1200);        //Initializes right encoder
DigitalIn pt3(D10, PullUp);          //Pull up resistors to read analog signals into digital signals
DigitalIn pt4(D9, PullUp);

/*added*/
//DigitalIn e_button(D4);     //emergency button will start at HIGH

QEI wheelS (D7, D8, NC, 1200);    //Initializes Left encoder
DigitalIn pt1(D7, PullUp);          //Pull up resistors to read analog signals into digital signals
DigitalIn pt2(D8, PullUp);

int max_velocity;
//Timer testAccT;

AnalogIn x(A0);                     //Initializes analog axis for the joystick
AnalogIn y(A1);

double watchdogLimit = 0.1;             // Set timeout limit for watchdog timer in seconds
int buttonCheck = 0;
int iteration = 1;

DigitalOut up(D12);                  //Turn up speed mode for joystick 
DigitalOut down(D13);                //Turn down speed mode for joystick 
DigitalOut on(D14);                 //Turn Wheelchair On
DigitalOut off(D15);                //Turn Wheelchair Off
bool manual = false;                //Turns chair joystic to automatic and viceverza

Serial pc(USBTX, USBRX, 57600);     //Serial Monitor

VL53L1X sensor1(PD_13, PD_12, PC_7);         //initializes ToF sensors
VL53L1X sensor2(PD_13, PD_12, PA_15);
VL53L1X sensor3(PD_13, PD_12, PB_5);
VL53L1X sensor4(PD_13, PD_12, PF_14);
VL53L1X sensor5(PD_13, PD_12, PE_11);
VL53L1X sensor6(PD_13, PD_12, PE_13);
VL53L1X sensor7(PD_13, PD_12, D6);
VL53L1X sensor8(PD_13, PD_12, PE_12);
VL53L1X sensor9(PD_13, PD_12, PE_10);
VL53L1X sensor10(PD_13, PD_12, PE_15);
VL53L1X sensor11(PD_13, PD_12, D6);
VL53L1X sensor12(PB_11, PB_10, D11);

VL53L1X* ToF[12] = {&sensor1, &sensor2, &sensor3, &sensor4, &sensor5, &sensor6, 
&sensor7, &sensor8, &sensor9, &sensor10, &sensor11, &sensor12};                 //puts ToF sensor pointers into an array
VL53L1X** ToFT = ToF;

Timer t;                            //Initialize time object t
EventQueue queue;                   //Class to organize threads
Wheelchair smart(xDir,yDir, &pc, &t, &wheel, &wheelS, ToFT); //Initialize wheelchair object
Thread compass;                      //Thread for compass
Thread velocity;                      //Thread for velosity
Thread assistSafe;                  //thread for safety stuff


int main(void)
{   
/*    nh.initNode();
    nh.advertise(chatter);
    nh.advertise(chatter2);
    nh.subscribe(sub);*/
    //testAccT.start();
    pc.printf("before starting\r\n");
    //queue.call_every(SAMPLEFREQ, &smart, &Wheelchair::compass_thread);  //Sets up sampling frequency of the compass_thread
    queue.call_every(SAMPLEFREQ, &smart, &Wheelchair::velocity_thread); //Sets up sampling frequency of the velosity_thread
    queue.call_every(SAMPLEFREQ, &smart, &Wheelchair::assistSafe_thread); //Sets up sampling frequency of the velosity_thread
    //queue.call_every(200, rosCom_thread); //Sets up sampling frequency of the velosity_thread
    t.reset();
    //compass.start(callback(&queue, &EventQueue::dispatch_forever));      //Starts running the compass thread
    velocity.start(callback(&queue, &EventQueue::dispatch_forever));     //Starts running the velosity thread
    assistSafe.start(callback(&queue, &EventQueue::dispatch_forever));     //Starts running the velosity thread
    //ros_com.start(callback(&queue, &EventQueue::dispatch_forever));     //Starts running the velosity thread
        pc.printf("After starting\r\n");

    //added
 //   int emerg_button = e_button;
    Watchdog dog;                                                           // Creates Watchdog object
    dog.Configure(watchdogLimit);                                           // Configures timeout for Watchdog
    pc.printf("Code initiated\n");
    int set = 0;
    while(1) {
        if( pc.readable()) {
            set = 1;
            char c = pc.getc();                                         //Read the instruction sent
            if( c == 'w') {
                smart.forward();                                        //Move foward

            }
            else if( c == 'a') {
                smart.left();                                           //Turn left
            }
            else if( c == 'd') {
                smart.right();                                          //Turn right
            }
            else if( c == 's') {
                smart.backward();                                       //Turn rackwards
            }
            
            else if( c == 't') {                                        
                smart.pid_twistA();
            } else if(c == 'v'){
                smart.showOdom();
            } else if(c == 'o') {                                       //Turns on chair
                pc.printf("turning on\r\n");
                on = 1;
                wait(1);
                on = 0;
            } else if(c == 'f') {                                       //Turns off chair
                pc.printf("turning off\r\n");
                off = 1;
                wait(1);
                off = 0;
            
            } else if(c == 'k'){                                        //Sends command to go to the kitchen
                smart.pid_twistV();
            } else if( c == 'm' || manual) {                            //Turns wheelchair to joystick
                pc.printf("turning on joystick\r\n");
                manual = true;
                t.reset();
                while(manual) {
                    smart.move(x,y);                                    //Reads from joystick and moves
                    if( pc.readable()) {
                        char d = pc.getc();
                        if( d == 'm') {                                 //Turns wheelchair from joystick into auto
                            pc.printf("turning off joystick\r\n");
                            manual = false;
                        }
                    }
                }   
            }
             else {
                    pc.printf("none \r\n");
                    smart.stop();                                      //If nothing else is happening stop the chair
            }
        }
        else {
            
            smart.stop();                                              //If nothing else is happening stop the chair
        }
        
        wait(process);
        
        t.stop();
        pc.printf("Time elapsed: %f seconds and iteration = %d\n", t.read(), iteration);
        dog.Service();                                                  // Service the Watchdog so it does not cause a system reset - "Kicking"/"Feeding" the dog

    }
}