Odometry communication

Dependencies:   PID QEI chair_BNO055 ros_lib_kinetic3

Dependents:   wheelchaircontrolrealtime1

Fork of wheelchaircontrol by Jesus Fausto

wheelchair.cpp

Committer:
ryanlin97
Date:
2018-07-17
Revision:
5:e0ccaab3959a
Parent:
4:29a27953fe70
Child:
6:0cd57bdd8fbc

File content as of revision 5:e0ccaab3959a:

#include "wheelchair.h"

Wheelchair::Wheelchair(PinName xPin, PinName yPin)
{
    x = new PwmOut(xPin);
    y = new PwmOut(yPin);
    imu = new chair_imu();
}
/*
* joystick has analog out of 200-700, scale values between 1.3 and 3.3
*/
void Wheelchair::move(float x_coor, float y_coor)
{
     
    float scaled_x = ((x_coor * 1.6f) + 1.7f)/3.3f;
    float scaled_y = (3.3f - (y_coor * 1.6f))/3.3f;
    x->write(scaled_x);
    y->write(scaled_y);
    
}

void Wheelchair::turn_right(){
    double start = imu->yaw();
    double final = start + 90;
    if(final > 360)
        final -= 360;
   
    while(imu->yaw() <= final) {
        Wheelchair::right();
        } 
}

void Wheelchair::turn_left(){
    double start = imu->yaw();
    double final = start - 90;
    if(final <0)
        final += 360;
   
    while(imu->yaw() >= final) {
        Wheelchair::left();
        } 
}
void Wheelchair::forward()
{
    x->write(high);
    y->write(def+offset);
}

void Wheelchair::backward()
{
    x->write(low);
    y->write(def);
}

void Wheelchair::right()
{
    x->write(def);
    y->write(high);
}

void Wheelchair::left()
{
    x->write(def);
    y->write(low);
}

void Wheelchair::stop()
{
    x->write(def);
    y->write(def);
}