#define BLYNK_TEMPLATE_ID "TMPL6NuEigcDS"
#define BLYNK_TEMPLATE_NAME "Gate"
#define BLYNK_AUTH_TOKEN "91ygPDqTJ_3KeD-SXyj81lFsHDOgwOwR"

/* Comment this out to disable prints and save space */
#define BLYNK_PRINT Serial


#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include "esp_system.h"
#include "esp_chip_info.h"
#include "esp_heap_caps.h"

size_t totalHeap = heap_caps_get_total_size(MALLOC_CAP_8BIT); // 获取总的堆内存大小
size_t freeHeap = heap_caps_get_free_size(MALLOC_CAP_8BIT);   // 获取当前可用的堆内存大小
int freeHeapPercent = (freeHeap * 100) / totalHeap;
float temperature = temperatureRead(); // 获取温度
int chipTemperature = (temperature - 32) / 1.8;

// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

BlynkTimer timer;

bool power = false;
int value = 0;

unsigned long long lasttime = 0;

// This function is called every time the Virtual Pin 0 state changes
BLYNK_WRITE(V0)
{
  // Set incoming value from pin V0 to a variable
  value = param.asInt();
  if (value == 1) {
    power = true;
  } else if (value == 0) {
    power = false;
  }
}

// This function is called every time the device is connected to the Blynk.Cloud
BLYNK_CONNECTED()
{
  // Change Web Link Button message to "Congratulations!"
  Blynk.syncVirtual(V0);
}

// This function sends Arduino's uptime every second to Virtual Pin 2.
void myTimerEvent()
{
  // Update state
  Blynk.virtualWrite(V2, chipTemperature);
  Blynk.virtualWrite(V3, freeHeapPercent);
}

void setup()
{
  // Debug console
  Serial.begin(115200);

  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
  timer.setInterval(1000L, myTimerEvent);

  pinMode(19, OUTPUT);
}

void loop()
{
  Blynk.run();
  timer.run();
  if (power) {
    digitalWrite(19, HIGH);
    Blynk.virtualWrite(V1, value);
  } else {
    digitalWrite(19, LOW);
    Blynk.virtualWrite(V1, value);
  }
  if (millis() - lasttime >= 10000 || lasttime == 0) {
    status();
  }
}

void status() {
  totalHeap = heap_caps_get_total_size(MALLOC_CAP_8BIT); // 获取总的堆内存大小
  freeHeap = heap_caps_get_free_size(MALLOC_CAP_8BIT);   // 获取当前可用的堆内存大小
  freeHeapPercent = (freeHeap * 100) / totalHeap;
  temperature = temperatureRead(); // 获取温度
  chipTemperature = (temperature - 32) / 1.8;
}