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#pragma once
#include <stdint.h>
#include <cmath>
#include "unitree/idl/go2/WirelessController_.hpp"
// #include <go2_idl/WirelessController_.hpp>
namespace unitree::common
{
// union for keys
typedef union
{
struct
{
uint8_t R1 : 1;
uint8_t L1 : 1;
uint8_t start : 1;
uint8_t select : 1;
uint8_t R2 : 1;
uint8_t L2 : 1;
uint8_t F1 : 1;
uint8_t F2 : 1;
uint8_t A : 1;
uint8_t B : 1;
uint8_t X : 1;
uint8_t Y : 1;
uint8_t up : 1;
uint8_t right : 1;
uint8_t down : 1;
uint8_t left : 1;
} components;
uint16_t value;
} xKeySwitchUnion;
// single button class
class Button
{
public:
Button() {}
void update(bool state)
{
on_press = state ? state != pressed : false;
on_release = state ? false : state != pressed;
pressed = state;
}
bool pressed = false;
bool on_press = false;
bool on_release = false;
};
// full gamepad
class Gamepad
{
public:
Gamepad() {}
void Update(unitree_go::msg::dds_::WirelessController_ &key_msg)
{
// update stick values with smooth and deadzone
lx = lx * (1 - smooth) + (std::fabs(key_msg.lx()) < dead_zone ? 0.0 : key_msg.lx()) * smooth;
rx = rx * (1 - smooth) + (std::fabs(key_msg.rx()) < dead_zone ? 0.0 : key_msg.rx()) * smooth;
ry = ry * (1 - smooth) + (std::fabs(key_msg.ry()) < dead_zone ? 0.0 : key_msg.ry()) * smooth;
ly = ly * (1 - smooth) + (std::fabs(key_msg.ly()) < dead_zone ? 0.0 : key_msg.ly()) * smooth;
// update button states
key.value = key_msg.keys();
R1.update(key.components.R1);
L1.update(key.components.L1);
start.update(key.components.start);
select.update(key.components.select);
R2.update(key.components.R2);
L2.update(key.components.L2);
F1.update(key.components.F1);
F2.update(key.components.F2);
A.update(key.components.A);
B.update(key.components.B);
X.update(key.components.X);
Y.update(key.components.Y);
up.update(key.components.up);
right.update(key.components.right);
down.update(key.components.down);
left.update(key.components.left);
}
float smooth = 0.03;
float dead_zone = 0.01;
float lx = 0.;
float rx = 0.;
float ry = 0.;
float ly = 0.;
Button R1;
Button L1;
Button start;
Button select;
Button R2;
Button L2;
Button F1;
Button F2;
Button A;
Button B;
Button X;
Button Y;
Button up;
Button right;
Button down;
Button left;
private:
xKeySwitchUnion key;
};
} // namespace unitree::common