arduino-joystick/joystick.ino

99 lines
2.2 KiB
C++

/* We use the Joystick library from:
<https://github.com/MHeironimus/ArduinoJoystickLibrary> */
#include <Joystick.h>
#include <Mouse.h>
#define DELAY 5
const int sw_pin = 2;
const int vrx_pin = A0;
const int vry_pin = A1;
// UP, RIGHT, DOWN, LEFT, additional left, additional right
const int btn_count = 6;
const int btn_pins[] = { 3,4,5,6,7,8 };
const int base_x = 512;
const int base_y = 519;
const int max_x = 1023;
const int max_y = 1023;
const int rng = 500;
int mouse_mode = 0;
int prev_readings[btn_count];
Joystick_ Joystick(JOYSTICK_DEFAULT_REPORT_ID,
JOYSTICK_TYPE_GAMEPAD,
btn_count, // buttons
1, // joystick hat switches
true, // X axis
true, // Y axis
false, // Z axis
false, false, false, false, false, false, false, false);
void setup() {
pinMode(sw_pin, INPUT);
for (int i = 0; i < btn_count; i++) {
pinMode(btn_pins[i], INPUT);
prev_readings[i] = 0;
}
Mouse.begin();
Joystick.begin();
Joystick.setXAxisRange(-rng, rng);
Joystick.setYAxisRange(-rng, rng);
}
int prev_clicked = 0;
int get_clicked() {
int signal = !digitalRead(sw_pin);
int ret = (signal && signal != prev_clicked) ? 1 : 0;
prev_clicked = signal;
return ret;
}
int read_direction(int analog_pin, int base, int max, int rng) {
int signal = analogRead(analog_pin);
if (signal > base) {
return map (signal, base, max, 0, rng);
} else if (signal < base) {
return - map (signal, base, 0, 1, rng);
} else { return 0; }
}
void loop() {
/*int click = get_clicked();
if (click) {
Mouse.click();}*/
for (int i = 0; i < btn_count; i++) {
int pin = btn_pins[i];
int signal = digitalRead(pin);
if (signal != prev_readings[i]) {
Joystick.setButton(i, signal);
}
prev_readings[i] = signal;
}
// Analogue input
int dirx = -read_direction(vrx_pin, base_x, max_x, rng);
int diry = read_direction(vry_pin, base_y, max_y, rng);
if (mouse_mode) {
if (diry != 0) {
Mouse.move(0, diry, 0);
}
if (dirx != 0) {
Mouse.move(dirx, 0, 0);
}
} else {
Joystick.setXAxis (dirx);
Joystick.setYAxis (diry);
}
delay(DELAY);
}