Time Motion單機

# 2025/1/2 17:00
# 不會上網對時,也不會發佈MQTT, 單機種程式

import network

import time

import ujson

from machine import Pin, RTC

import tm1637  # 引入 tm1637 驅動程式

# Wi-Fi 設定

SSID = "Bili-Net"

PASSWORD = "0932388283"

HOSTNAME = "MotionTimer-01"

# 台北時區 (UTC+8)

TIMEZONE_OFFSET = 8 * 60 * 60  # 秒

# 定義 HC-SR501 的輸出腳位、LED 顯示模組的 CLK 和 DIO 腳位，以及重置按鈕

PIR_PIN = Pin(4, Pin.IN)    # ESP32 的 D4 腳位對應 GPIO4

LED_PIN = Pin(2, Pin.OUT)   # GPIO2 用來控制 LED

RESET_BUTTON = Pin(12, Pin.IN, Pin.PULL_UP)  # GPIO12 按鈕用來重置計時

tm = tm1637.TM1637(clk=Pin(16), dio=Pin(17))

rtc = RTC()

# 設定相關變數

detect_flag = False  # 是否偵測到物體

start_time = 0       # 計時開始時間

timeout = 45         # 偵測間隔為 45 秒

interval = 1         # 偵測間隔時間，單位：秒

no_motion_start_time = None  # 用於記錄無移動時的開始時間

max_time = 1800      # 計時最大值為 30 分鐘 (1800 秒)

# 格式化時間

def format_datetime():

    """格式化當前日期和時間為 'YYYY-MM-DD HH:MM:SS'"""

    now = time.localtime(time.time() + TIMEZONE_OFFSET)  # 調整為台北時區

    return "{:04d}-{:02d}-{:02d} {:02d}:{:02d}:{:02d}".format(now[0], now[1], now[2], now[3], now[4], now[5])

# 顯示時間格式

def display_waiting():

    """等待偵測時顯示中間的冒號"""

    tm.set_segments([0x00, 0x80, 0x00, 0x00])  # 中間顯示冒號

def display_time(minutes, seconds):

    """顯示時間格式 MM:SS"""

    minute_tens = minutes // 10

    minute_ones = minutes % 10

    second_tens = seconds // 10

    second_ones = seconds % 10

    segments = [

        tm.encode_digit(minute_tens),

        tm.encode_digit(minute_ones) | 0x80,  # 中間的冒號

        tm.encode_digit(second_tens),

        tm.encode_digit(second_ones)

    ]

    tm.set_segments(segments)

def display_seconds(seconds):

    """只顯示秒數格式 :SS"""

    second_tens = seconds // 10

    second_ones = seconds % 10

    segments = [0x00, 0x80, tm.encode_digit(second_tens), tm.encode_digit(second_ones)]

    tm.set_segments(segments)

def display_upup():

    """顯示 'UPUP' 字樣"""

    segments = [0x3e, 0x73, 0x3e, 0x73]  # 'UPUP'

    tm.set_segments(segments)

def reset_timer():

    """重置計時，並返回等待狀態"""

    global detect_flag, start_time, no_motion_start_time

    detect_flag = False

    start_time = 0

    no_motion_start_time = None

    LED_PIN.off()  # GPIO2 熄滅

    display_waiting()  # 回到等待模式

    print("計時已重置，回到等待模式")

# 主程式

try:

    print("PIR 模組初始化中...")

    time.sleep(2)  # 等待模組穩定

    print("準備偵測中（按 Ctrl+C 結束）")

    display_waiting()  # 開始時顯示等待狀態

    while True:

        current_state = PIR_PIN.value()

        if RESET_BUTTON.value() == 0:

            reset_timer()

            time.sleep(0.5)  # 防止按鈕彈跳

        if current_state:

            if not detect_flag:

                detect_flag = True

                start_time = time.time()

                no_motion_start_time = None

                LED_PIN.on()  # GPIO2 亮起

                print("\n偵測到物體移動! 開始計時...", end="\r")

            else:

                elapsed_time = time.time() - start_time

                if elapsed_time >= max_time:

                    print("計時達到60分鐘，顯示UPUP...")

                    while PIR_PIN.value():

                        if RESET_BUTTON.value() == 0:

                            reset_timer()

                            time.sleep(0.5)

                            break

                        display_upup()

                        time.sleep(1)

                        tm.clear()

                        time.sleep(1)

                    reset_timer()

                else:

                    minutes = int(elapsed_time // 60)

                    seconds = int(elapsed_time % 60)

                    display_time(minutes, seconds)

                    print(f"持續偵測到物體移動! 計時... {minutes:02}:{seconds:02}", end="\r")

            no_motion_start_time = None

        else:

            if detect_flag and no_motion_start_time is None:

                no_motion_start_time = time.time()

                print("\n未偵測到移動，開始計算倒數...", end="\r")

            elif no_motion_start_time is not None:

                no_motion_elapsed_time = time.time() - no_motion_start_time

                if no_motion_elapsed_time >= timeout:

                    elapsed_time = time.time() - start_time

                    seconds = int(elapsed_time % 60)

                    display_seconds(seconds)

                    print(f"\n未偵測到移動，停止計時... 偵測停止")

                    reset_timer()

                else:

                    remaining_time = int(timeout - no_motion_elapsed_time)

                    display_seconds(remaining_time)

                    print(f"\n倒數中，還剩：{remaining_time} 秒", end="\r")

        time.sleep(interval)

except KeyboardInterrupt:

    print("\n程式結束")