### ex5-1 ###

from machine import Pin
import tm1637

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

>>> tm.number(7)		# 顯示一組數字

>>> tm.numbers(7, 5)		# 顯示兩組數字



### ex5-2 ###

>>> import time
>>> time.localtime()



### ex5-3 ###

import network
import ntptime
import time

sta_if = network.WLAN(network.STA_IF)		
sta_if.active(True)
sta_if.connect('無線網路名稱', '無線網路密碼')

while not sta_if.isconnected():
    pass

print(sta_if.ifconfig()[0])

>>> ntptime.settime()					# 與 UTC (世界協調時間) 同步

>>> time.localtime()					# 擷取時間

>>> time.mktime(time.localtime())			# 將時間簡化為秒

>>> TW_sec = time.mktime(time.localtime()) + 28800	# 增加 8 小時 (28800 秒)

>>> TW = time.localtime(TW_sec)				# 將秒數轉換回正常時間



### ex5-4 ###

import tm1637
from machine import Pin
import ntptime
import time
import network

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

sta=network.WLAN(network.STA_IF)
sta.active(True)
sta.connect('無線網路名稱', '無線網路密碼')

while not sta.isconnected():
    pass

print('Wi-Fi連線成功')

ntptime.settime()
TW_sec = time.mktime(time.localtime()) + 28800

while True:
    TW = time.localtime(TW_sec)
    print(TW)
    hour = TW[3]			# 時
    minu = TW[4]			# 分
    tm.numbers(hour, minu)
    time.sleep(1)
    TW_sec += 1



### ex5-5 ###

from machine import Pin, PWM

buzzer = PWM(Pin(23, Pin.OUT))

buzzer.freq(0)
buzzer.duty(512)



### ex5-6 ###

from machine import Pin, PWM
import time

buzzer = PWM(Pin(23, Pin.OUT), freq = 0, duty = 512)		# 建立 PWM 物件

buzzer.freq(349)						# 發出 Fa 聲
time.sleep(1)
buzzer.freq(294)						# 發出 Re 聲
time.sleep(1)

buzzer.deinit()



### ex5-7 ###

# PTX 服務平台
https://ptx.transportdata.tw/PTX/



### ex5-8 ###

# 取得指定[車站]列車即時到離站電子看板(動態前後30分鐘的車次)。更新頻率：2分鐘。
https://ptx.transportdata.tw/MOTC/v2/Rail/TRA/LiveBoard/Station/火車站 ID

# 取得台北車站，取得前 5 筆資料 (top = 5)，以 JSON 格式顯示。
https://ptx.transportdata.tw/MOTC/v2/Rail/TRA/LiveBoard/Station/1000?$top=5&$format=JSON



### ex5-9 ###

# 線上 JSON Viewer
https://codebeautify.org/jsonviewer



### ex5-10 ###

import network, urequests

sta_if = network.WLAN(network.STA_IF)		
sta_if.active(True)
sta_if.connect('無線網路名稱', '無線網路密碼')

while not sta_if.isconnected():
    pass

print(sta_if.ifconfig()[0])

headers = {'user-agent':'curl/7.76.1'}
res = urequests.get("https://ptx.transportdata.tw/MOTC/v2/Rail/TRA/LiveBoard/Station/1000?$top=5&$format=JSON", headers = headers)
print(res.text)

>>> j = res.json()		# 載入並解析 JSON 格式資料 (轉成 Python 的資料結構)
>>> j[0]["DelayTime"]		# 從第 0 筆資料取出 DelayTime 項目的資料



### ex5-11 ###

# IFTTT
https://ifttt.com/



### ex5-12 ###

# 無會員：當天次數 50 次
from machine import Pin, PWM
import network     
import urequests   
import time
import tm1637
import ntptime

tm = tm1637.TM1637(clk=Pin(16), dio=Pin(17))			# 四位數顯示器
tm.write([0, 0, 0, 0])						# 清空四位數顯示器

sta=network.WLAN(network.STA_IF)
sta.active(True)   
sta.connect('無線網路名稱','無線網路密碼')
while not sta.isconnected() :
    pass

print('Wi-Fi連線成功')

ntptime.settime()

s_number = 1202							# 想查詢的車號
sta_number = 1000						# 想查詢的車站 (1000是台北)

ifttt_url = "IFTTT請求網址"

headers = {'user-agent':'curl/7.76.1'}				# 讓網站認為請求是使用瀏覽器發出。因為有些網頁會擋爬蟲程式

# 查詢指定火車起點與終點
train_url = ("https://ptx.transportdata.tw/MOTC/v2/Rail/TRA/GeneralTrainInfo/TrainNo/" + str(s_number) +"?$format=JSON")

train_res = urequests.get(train_url, headers = headers)

if (train_res.status_code == 200):
    pass
else:
    print("傳送失敗")
    print("錯誤碼：", train_res.status_code)

train_j = train_res.json()
print("\n車號:", s_number)
print(train_j[0]['StartingStationName']['Zh_tw'] + " → " + train_j[0]['EndingStationName']['Zh_tw'])

train_res.close()

remind = False							# 車子第一次出現在時刻表時要提醒使用者

# 查詢火車時刻表
time_url = ("https://ptx.transportdata.tw/MOTC/v2/Rail/TRA/LiveBoard/Station/" + str(sta_number) + "?$top=20&$format=JSON")

while True:
    time_res = urequests.get(time_url, headers = headers)

    if (time_res.status_code == 200):
        pass
    else:
        print("傳送失敗")
        print("錯誤碼：", time_res.status_code)

    time_j = time_res.json()
    time_res.close()
    
    number = []							# 將車號加入 number 列表中

    for i in range(len(time_j)):
        number.append(time_j[i]['TrainNo'])
    
    print("\n即時班車號碼：", number)

    if (str(s_number) in number):				# 有查到對應車號, 顯示延遲時間
        if (remind == False):
            buzzer_pin = Pin(23, Pin.OUT)			# 蜂鳴器
            buzzer = PWM(buzzer_pin, freq = 0, duty = 50)
            buzzer.freq(349)
            time.sleep(1)
            buzzer.freq(294)
            time.sleep(1)
            buzzer.deinit()
            remind = True

        ind = number.index(str(s_number))
        print("\n表定發車時間:", time_j[ind]['ScheduledArrivalTime'])
        print("延遲時間:", time_j[ind]['DelayTime'], "分鐘")
        tm.number(time_j[ind]['DelayTime'])

        res = urequests.get(ifttt_url + "?value1=" + str(time_j[ind]['DelayTime']))

        if (res.status_code == 200):
            pass
        else:
            print("傳送失敗")
            print("錯誤碼：", res.status_code)

        res.close()
    else:							# 沒有查到對應車號
        print("\n目前無" + str(s_number) + "號火車")
        TW_sec = time.mktime(time.localtime()) + 28800
        TW = time.localtime(TW_sec)
        hour = TW[3]
        minu = TW[4]
        tm.numbers(hour, minu)
        remind = False

    time.sleep(300)						# 暫停 300 秒