"Button Wake" rev_01

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    - Project: "Button Wake"
    - Source Code NOT compiled for: ESP32 DevKit V1
    - Source Code created on: 2024-09-21 20:28:42

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* The project shall implement a mailbox notification */
    /* system using a reed switch and a push button, */
    /* leveraging the EasyButton library for efficient */
    /* state management on pin D4. Then enter deep sleep */
    /* until pressed again */
/****** SYSTEM REQUIREMENT 2 *****/
    /* The project shall implement a mailbox alert */
    /* mechanism using a reed switch and a push button, */
    /* use tillow leveraging the EasyButton library for */
    /* efficient state handling on pin D4, and shall */
    /* enter deep sleep mode until reactivated by the */
    /* button. */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include <EasyButton.h> // https://github.com/evert-arias/EasyButton
#include "esp_sleep.h"   // Include ESP32 sleep library

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t Reedswitch_PushButton_PIN_D4 = 4;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES *****/
// Create an instance of EasyButton for the pin defined above
EasyButton button(Reedswitch_PushButton_PIN_D4);

/****** SETUP FUNCTION *****/
void setup(void)
{
    // Initialize Serial for debugging purposes
    Serial.begin(115200);
    Serial.println();
    Serial.println(">>> EasyButton Mailbox Notification System <<<");

    // Initialize the button
    button.begin(); // Initialize the EasyButton instance

    // Add a callback function to be called when the button is pressed
    button.onPressed([]() {
        Serial.println("Button pressed, exiting deep sleep.");
        esp_sleep_disable_wakeup_source(ESP_SLEEP_WAKEUP_ALL); // Disable all wakeup sources
    });

    // Set the pin mode for the button (optional if using EasyButton's internal pull-up)
    pinMode(Reedswitch_PushButton_PIN_D4, INPUT_PULLUP);

    // Enter deep sleep mode
    Serial.println("Entering deep sleep mode...");
    esp_deep_sleep_start(); // Start deep sleep
}

/****** LOOP FUNCTION *****/
void loop(void)
{
    // Continuously read the status of the button
    button.read(); // Read the button state
}

/* END CODE */