esp3.ino File Reference

Door actuator, buzzer, and LED controller with MQTT integration. More...

#include <Servo.h>
#include <ArduinoJson.h>
#include <WiFiMqttClient.h>

Include dependency graph for esp3.ino:

Go to the source code of this file.

Classes
struct	BuzzerPattern
	Describes a buzzer sound pattern. More...

Macros
#define	POT_PIN   A0
	Analog pin for potentiometer (admin servo control).

Enumerations
enum class	AccessResult : uint8_t { AccessResult::Denied , AccessResult::Granted , AccessResult::Denied , AccessResult::Granted }
	Access result enumeration. More...
enum	BuzzerState { BUZZER_IDLE , BUZZER_ON , BUZZER_OFF }
	Buzzer state enumeration. More...

Functions
void	playPattern (const unsigned int *timings, uint8_t length)
	Starts playing a buzzer pattern.
void	updateBuzzer ()
	Advances the buzzer state machine.
void	stopBuzzer ()
	Immediately stops any active buzzer sound.
void	playLockSound ()
	Plays lock sound pattern.
void	playUnlockSound ()
	Plays unlock sound pattern.
void	playDeniedSound ()
	Plays denied-access sound pattern.
void	playTapSound ()
	Plays keypad tap sound.
static void	forceLock ()
	Forces the system into a locked idle state.
void	callback (char *topic, byte *payload, unsigned int length)
	MQTT message callback handler.
void	setup ()
	Arduino setup function.
void	loop ()
	Arduino main loop.

Variables
WifiMqttClient	net
	WiFi + MQTT client wrapper.
constexpr char	WIFI_SSID [] = "Mathias2.4"
	WiFi SSID.
constexpr char	WIFI_PASS [] = "mrbombasticcallmefantastic"
	WiFi password.
constexpr char	MQTT_HOST [] = "maqiatto.com"
	MQTT broker hostname.
constexpr uint16_t	MQTT_PORT = 1883
	MQTT broker port.
constexpr char	MQTT_USER [] = "hectorfoss@gmail.com"
	MQTT username.
constexpr char	MQTT_PASS [] = "potter"
	MQTT password.
constexpr char	DEVICE_ID [] = "door1"
	Unique device identifier used in MQTT topics.
constexpr uint8_t	RED_PIN = 4
	GPIO pin assignments.
constexpr uint8_t	GREEN_PIN = 0
constexpr uint8_t	BUZZER_PIN = 14
constexpr uint8_t	SERVO_PIN = 13
constexpr uint32_t	UNLOCK_TIME_MS = 5000
	Door unlock duration (ms).
uint32_t	unlockUntil = 0
	Timestamp (ms) until which the door remains unlocked.
bool	unlocked = false
	Indicates whether the door is currently unlocked.
AccessResult	accessGranted
	Result of keypad PIN verification.
bool	rfidAccess = false
	Indicates whether RFID access was granted.
Servo	lock_servo
	Servo instance controlling the lock mechanism.
bool	servoOpen = false
	Indicates whether the servo is currently in the open position.
uint8_t	servoAngle
	Current servo angle (derived from potentiometer in admin mode).
bool	adminServoControl = false
	Enables direct servo control via potentiometer (admin mode).
const unsigned int	deniedTimings []
	Denied access: single long beep. Extra long to scare.
const unsigned int	lockTimings []
	Lock sound: long-long-long pattern.
const unsigned int	unlockTimings []
	Unlock sound: short-short pattern.
const unsigned int	beepTimings []
	Keypad tap sound: short beep.
BuzzerState	buzzerState = BUZZER_IDLE
	Current buzzer state.
BuzzerPattern	currentPattern = {nullptr, 0}
	Currently active buzzer pattern.
uint8_t	stepIndex = 0
	Index into the timing array.
unsigned long	lastChange = 0
	Timestamp of last buzzer state change.

Detailed Description

Door actuator, buzzer, and LED controller with MQTT integration.

Definition in file esp3.ino.