wheelchair bluetooth demo

blemouse.ino

#include <BleMouse.h> // Include the bleMouse library
BleMouse bleMouse;

const int joystickXPin = 26; // Pin for the X-axis of the joystick
const int joystickYPin = 36; // Pin for the Y-axis of the joystick

const int toggleButtonPin = 27; // Pin for the toggle button

const int sensitivity = 10; // Sensitivity for mouse movements

int xValue = 0; // Value for the X-axis of the joystick
int yValue = 0; // Value for the Y-axis of the joystick

bool mouseClickState = false; // State of the mouse click
bool toggleButtonState = false; // State of the toggle button
bool lastToggleButtonState = false; // Last state of the toggle button

void setup() {
  bleMouse.begin(); // Initialize the bleMouse library
  Serial.begin(115200); // Initialize the serial communication
  while (! Serial) delay(1); // Wait for the serial communication to be established

  pinMode(joystickXPin, INPUT); // Set the X-axis pin of the joystick as an input
  pinMode(joystickYPin, INPUT); // Set the Y-axis pin of the joystick as an input
  pinMode(toggleButtonPin, INPUT_PULLUP); // Set the toggle button pin as an input with a pull-up resistor
}

void loop() {
  xValue = analogRead(joystickXPin); // Read the analog value from the X-axis pin of the joystick
  Serial.print(xValue);
  yValue = analogRead(joystickYPin); // Read the analog value from the Y-axis pin of the joystick
  Serial.print(yValue);

  toggleButtonState = !digitalRead(toggleButtonPin); // Read the digital value from the toggle button pin

  const int deadzone = 6; // Deadzone range, centered around the middle value

  int xMouse = map(xValue, 0, 4095, sensitivity, -sensitivity); // Map the X-axis value to the range of mouse movement from -sensitivity to +sensitivity
  int yMouse = map(yValue, 0, 4095, sensitivity, -sensitivity); // Map the Y-axis value to the range of mouse movement from -sensitivity to +sensitivity

  xMouse = constrain(xMouse, -sensitivity, sensitivity);
  yMouse = constrain(yMouse, -sensitivity, sensitivity);

  // Ignore joystick input within the deadzone range
  if (abs(xMouse) < deadzone / 2) xMouse = 0;
  if (abs(yMouse) < deadzone / 2) yMouse = 0;

  if (abs(xMouse) > 0 || abs(yMouse) > 0) {
    bleMouse.move(xMouse, yMouse); // If the mapped values are outside the deadzone, move the mouse by xMouse and yMouse
  }

    if (toggleButtonState && !lastToggleButtonState) {
    mouseClickState = !mouseClickState;
  }

  if (mouseClickState) {
    bleMouse.press(MOUSE_LEFT); // If the mouseClickState is true, press the left button of the mouse
  } else {
    bleMouse.release(MOUSE_LEFT); // If the mouseClickState is false, release the left button of the mouse
  }

  lastToggleButtonState = toggleButtonState; // Update the last toggle button state

  delay(10); // Add a small delay to avoid overwhelming the loop
}