// This code runs in the Wokwi online ESP32 simulator

// Define tremor characteristics for Parkinson's
const float TREMOR_FREQUENCY = 5.0; // 5 Hz, typical for Parkinson's
const float AMPLITUDE = 0.5;       // Tremor intensity
const int SAMPLING_RATE_HZ = 100;    // 100 samples per second
const int DELAY_MS = 1000 / SAMPLING_RATE_HZ;

unsigned long startTime = 0;

void setup() {
  Serial.begin(115200);
  startTime = millis();
  // Print a header that matches your Python script's column names
  Serial.println("Timestamp,Accel_X,Accel_Y,Accel_Z,Gyro_X,Gyro_Y,Gyro_Z");
}

void loop() {
  // Calculate elapsed time in seconds
  float t = (millis() - startTime) / 1000.0;
  
  // Simulate a 5 Hz tremor on the Z-axis of the gyroscope
  float gyro_z = AMPLITUDE * sin(2 * PI * TREMOR_FREQUENCY * t);
  
  // Create a CSV formatted string with placeholder values for other axes
  String dataString = String(t) + "," +
                      "0.0," + "0.0," + "9.8," + 
                      "0.0," + "0.0," + String(gyro_z);
                      
  // Print the data to the serial monitor
  Serial.println(dataString);
  
  // Wait for the correct amount of time to maintain the sampling rate
  delay(DELAY_MS);
}