# Plasma Height Controller rev_04

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    - Project: # Plasma Height Controller
    - Source Code compiled for: ESP32 DevKit V1
    - Source Code created on: 2026-01-17 16:53:04

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* buat progres THC_rotary bisa di kontrol  dengan */
    /* web server melalui wifi */
/****** END SYSTEM REQUIREMENTS *****/





/* START CODE */

// System Requirements: THC (Torch Height Controller) system with plasma cutting control
// Main Arduino sketch for ESP32 THC remote control system
// Includes timer setup, interrupt handling, and initialization of all subsystems

#include "globals.h"

// ===== Timer Callback Function =====
// Triggered by esp_timer every 10ms to set the Do flag for periodic tasks
void onTimerCallback(void* arg) {
  Do = true;
}

// ===== Timer Setup Function =====
// Configures the ESP32 high-resolution timer to interrupt every 10ms
void Setup_Timer2() {
  // Setting structure for the timer
  esp_timer_create_args_t timer_args = {
    .callback = &onTimerCallback,
    .name = "my_periodic_timer"
  };

  // Create the timer
  ESP_ERROR_CHECK(esp_timer_create(&timer_args, &timer_handle));

  // Start the timer. It will repeat every 10,000 microseconds (10ms)
  ESP_ERROR_CHECK(esp_timer_start_periodic(timer_handle, 10000));
}

// ===== Arduino Setup Function =====
// Called once when the microcontroller starts
void setup() {
  // Initialize serial communication for debugging
  Serial.begin(115200);
  delay(1000);

  // Initialize all subsystems
  Setup_LCD();
  Setup_Encoder();
  Setup_THC();
  ReadProg();

  // Initialize the timer for periodic interrupt
  Setup_Timer2();
}

// ===== Arduino Main Loop =====
// Continuous loop that executes after setup()
void loop() {
  // Check encoder button for menu navigation
  checkButton();
  // Process menu selection based on encoder button
  checkMenu();

  // Update LCD display
  doLCD();

  // Process THC logic (arc voltage control and torch height adjustment)
  doTHC();

  // Read arc voltage from ADC
  ArcV = analogRead(arcVoltagePin);
}

/* END CODE */