Temperature Control rev_10

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    - Project: Temperature Control
    - Source Code compiled for: ESP32 DevKit V1
    - Source Code created on: 2025-01-26 10:18:22

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* 温度到达 60led亮灯 */
/****** END SYSTEM REQUIREMENTS *****/


/* START CODE */

/****** DEFINITION OF LIBRARIES *****/
#include <DHT.h>    //https://github.com/adafruit/DHT-sensor-library

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void updateOutputs();
void readTemperature(); // Function to read temperature

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t ttt_DHT22_DOUT_PIN_D13        = 13;

/***** DEFINITION OF DIGITAL OUTPUT PINS *****/
const uint8_t tt_LED_PIN_D4     = 4;

/***** DEFINITION OF OUTPUT RAW VARIABLES *****/
/***** used to store raw data *****/
bool    tt_LED_PIN_D4_rawData       = 0;

/***** DEFINITION OF OUTPUT PHYSICAL VARIABLES *****/
/***** used to store data after characteristic curve transformation *****/
float   tt_LED_PIN_D4_phyData       = 0.0;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
// Create an instance of the DHT sensor
DHT dht(ttt_DHT22_DOUT_PIN_D13, DHT22); // Assuming DHT22 sensor

void setup(void)
{
    // put your setup code here, to run once:
    pinMode(ttt_DHT22_DOUT_PIN_D13, INPUT_PULLUP);
    pinMode(tt_LED_PIN_D4, OUTPUT);

    dht.begin(); // Initialize the DHT sensor
}

void loop(void)
{
    // put your main code here, to run repeatedly:
    readTemperature(); // Read temperature and update LED state
    updateOutputs(); // Refresh output data
}

void readTemperature()
{
    // Read temperature as Celsius
    tt_LED_PIN_D4_phyData = dht.readTemperature();

    // Check if the reading is valid
    if (isnan(tt_LED_PIN_D4_phyData)) {
        tt_LED_PIN_D4_rawData = false; // Turn off LED if reading fails
    } else {
        // Check if temperature reaches 60 degrees Celsius
        if (tt_LED_PIN_D4_phyData >= 60.0) {
            tt_LED_PIN_D4_rawData = true; // Turn on LED
        } else {
            tt_LED_PIN_D4_rawData = false; // Turn off LED
        }
    }
}

void updateOutputs()
{
    digitalWrite(tt_LED_PIN_D4, tt_LED_PIN_D4_rawData);
}

/* END CODE */