espHome-NBS-files/external_components/hoermann_door/door_singleton.h

#pragma once 

#include "esphome.h"
#include "Arduino.h"
#include "hciemulator.h"
//#include "cover.h"

#define RS485 Serial2
#define TX_ON 25
//#define configMAX_PRIORITIES 25

#define TAG "hoermann_door"


void modBusPolling(void *parameter);

class HoermannSingleton {
  public:
    HoermannSingleton() {
      emulator;
    }
    static HoermannSingleton* instance_;
    HCIEmulator emulator;
    TaskHandle_t modBusTask;
    bool hasBeenInitialized = false;

  public:
    static HoermannSingleton* getInstance(){
      if(instance_ == nullptr){
        instance_ = new HoermannSingleton();
      }
      return instance_;
    }

    void initializeEmulator(){
      if(hasBeenInitialized) return;
      hasBeenInitialized = true;
      RS485.begin(57600, SERIAL_8E1, 16, 17);
      pinMode(TX_ON, OUTPUT);
      digitalWrite(TX_ON, LOW);
        
      xTaskCreatePinnedToCore(
        modBusPolling, // Function to implement the task
        "ModBusTask",   // Name of the task
        10000,          // Stack size in words
        NULL,           // Task input parameter
        // 1,           // Priority of the task
        configMAX_PRIORITIES - 1,
        &modBusTask,    // Task handle.
        1               // Core where the task should run
      );
    }
    HCIEmulator *getEmulator(){
      return &emulator;
    }
};

HoermannSingleton* HoermannSingleton::instance_ = nullptr;

//DoorManager *DoorManager::getInstance()


volatile unsigned long lastCall = 0;
volatile unsigned long maxPeriod = 0;
void modBusPolling(void *parameter)
{
  auto emulator = HoermannSingleton::getInstance()->getEmulator();
  while (true)
  {
    if (lastCall > 0)
    {
      maxPeriod = _max(micros() - lastCall, maxPeriod);
    }
    lastCall = micros();
    emulator->poll();
    vTaskDelay(1);
  }
  vTaskDelete(NULL);
}