91 lines
2.2 KiB
C++
91 lines
2.2 KiB
C++
#include "Joystick.h"
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#include <Arduino.h>
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Joystick::Joystick(bool debug) {
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_debug = debug;
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_num_buttons = 0;
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_num_axes = 0;
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for (uint8_t i=0; i < JOYSTICK_NUM_AXES; i++) {
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_joyReport.axis[i] = 0;
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}
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for (uint8_t i=0; i < JOYSTICK_NUM_BYTES; i++) {
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_joyReport.button[i] = 0;
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}
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}
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void Joystick::Init() {
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Serial.begin(115200);
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delay(100);
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if (_debug) Serial.println("DEBUG: Joystick library initialized.");
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}
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void Joystick::AddButton(uint8_t pin, ButtonType type, bool pullup) {
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if (pullup) pinMode(pin, INPUT_PULLUP);
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else pinMode(pin, INPUT);
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_buttons[_num_buttons].pin = pin;
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_buttons[_num_buttons].type = type;
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_buttons[_num_buttons].last_state = digitalRead(pin);
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_num_buttons++;
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}
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void Joystick::AddAxis(uint8_t pin) {
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_axes[_num_axes] = pin;
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_num_axes++;
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}
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void Joystick::Update() {
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JoyReport oldReport = _joyReport;
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for (int i = 0; i < _num_buttons; i++) {
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uint8_t value = digitalRead(_buttons[i].pin);
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// TODO: handle button according to ButtonType
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}
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for (int i = 0; i < _num_axes; i++) {
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uint16_t value = analogRead(_axes[i]);
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// TODO: convert raw analog value to something sensible for
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// HID Analog data.
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}
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if (_joyReport != oldReport) {
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Serial.write(_joyReport);
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}
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}
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void Joystick::SetAxis(uint8_t axis, int16_t value) {
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if (axis >= JOYSTICK_NUM_AXES) return;
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_joyReport.axis[axis] = value;
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if (_debug) Serial.println("DEBUG: Axis change recorded.");
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}
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void Joystick::PressButton(uint8_t button) {
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if (button >= JOYSTICK_NUM_BUTTONS) return;
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uint8_t byte = button / 8;
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uint8_t bit = button % 8;
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_joyReport.button[byte] |= 1 << bit;
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if (_debug) Serial.println("DEBUG: Button press recorded.");
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}
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void Joystick::ReleaseButton(uint8_t button) {
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if (button >= JOYSTICK_NUM_BUTTONS) return;
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uint8_t byte = button / 8;
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uint8_t bit = button % 8;
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_joyReport.button[byte] |= 0 << bit;
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if (_debug) Serial.println("DEBUG: Button release recorded.");
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}
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void Joystick::ReleaseAllButtons() {
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for (uint8_t i = 0; i < JOYSTICK_NUM_BYTES; i++) {
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_joyReport.button[i] = 0;
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}
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if (_debug) Serial.println("DEBUG: All-button release recorded.");
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}
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void Joystick::Write() {
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Serial.write((uint8_t *)&_joyReport, sizeof(JoyReport));
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delay(250);
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}
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