## Line Notify 傳送訊息
我們利用line notify 傳送溫度與濕度的訊息至Line上

    import network, ubinascii
    import time
    import urequests as requests
    import ntptime
    import ujson
    from machine import Pin, I2C, SoftI2C, ADC ,Timer
    from dht import DHT11
    import ssd1306
    wlan = network.WLAN(network.STA_IF)
    ssid = 'Wifi-user'
    passwd = 'Wifi-password'
    Linetoken     ="eDCyEx2s3fiRvSybdXbksV9Q2Zwja8nt2HLXkS1Kh7x" # 資料平台裝置的存取權限碼 #eDCyEx2s3fiRvSybdXbksV9Q2Zwja8nt2HLXkS1Kh7x #老師 r4vDLzxAzZGqbmY80mLVQbk986FjTE09ymyYG04qNfj
    timer_1 = Timer(1)
    def main():
        i2c = SoftI2C(scl=Pin(22), sda=Pin(21), freq=400000)
        display = ssd1306.SSD1306_I2C(128, 64, i2c)
        active_wlan()
        #show_wifi()
        if connect_sta():
            print(f'\nConnected ssid {ssid}. Network config: {wlan.ifconfig()}')
        else:
            print(f'\nFailed. Not Connected to: {ssid}')

    #aqi, status = get_AQI()
    #print(f"花蓮 AQI {aqi} status {status}")
    if tw_ntp():
        print("Time Renew")
    else:
        print("Renew Fail")
    #while True:
    temp , humid = temperature()
    localtime = time.localtime()
    date_str = str(localtime[0])+"/" + str(localtime[1])+"/" + str(localtime[2])
    if localtime[4]<10:
        time_str = str(localtime[3])+":0"+str(localtime[4]) +":"+ str(localtime[5])
    else:
        time_str = str(localtime[3])+":"+str(localtime[4]) +":"+ str(localtime[5])
    temp_str  = f"Temp: {temp}"
    humid_str = f"Himid: {humid}"
    display.fill(0)  # 填充螢幕  0 = 全黑, 1 = 全亮
    display.text(date_str, 0, 0, 1)
    display.text(time_str, 0, 1*8, 1)
    display.text(temp_str, 0, 2*8, 1)
    display.text(humid_str, 0, 3*8, 1)
    display.show()
    lineNotifyMessage(Linetoken,temp_str)
    lineNotifyMessage(Linetoken,humid_str)
    time.sleep(360)

def active_wlan():
    active = wlan.active()
    if not active:
        wlan.active(True)

def show_wifi():
    scans = wlan.scan()
    for scan in scans:
        ssid = scan[0].decode()
        bssid = ubinascii.hexlify(scan[1],'.').decode()
        print(ssid, bssid)

def connect_sta():
    if wlan.isconnected():
        return True
    print(f'Trying to connect to {ssid}')
    wlan.connect(ssid, passwd)
    for retry in range(100):
        connected = wlan.isconnected()
        if connected:
            break
        time.sleep(0.1)
        print('.', end='')
    return connected


def get_flag():
    web = "https://flagtech.github.io/flag.txt"
    res = requests.get(web)
    if res.status_code == 200:
        print(f"{res.text}")
    else:
        print("Oops. Web Page Not Found")

def tw_ntp(host='clock.stdtime.gov.tw', must=False):
    """
    host: 台灣可用的 ntp server 如下可任選，未指定預設為 clock.stdtime.gov.tw
        tock.stdtime.gov.tw
        watch.stdtime.gov.tw
        time.stdtime.gov.tw
        clock.stdtime.gov.tw
        tick.stdtime.gov.tw
    must: 是否非對到不可
    """
    print("coneecting ntp server")
    ntptime.NTP_DELTA = 3155644800 # UTC+8 的 magic number
    ntptime.host = host
    count = 1
    if must:
        count = 100
    for _ in  range(count):
        try:
          ntptime.settime()
          print("connected ...")
        except:
          time.sleep(1)
          print('-', end='')
          continue
        else:
          return True
    return False

"""
example:
tw_ntp()              # 使用預設值
tw_ntp(must=True)     # 非對到時不可
tw_ntp(must=1)        # 同上
tw_ntp('tick.stdtime.gov.tw', 1) # 指定server，並強制對時
"""

url = "https://notify-api.line.me/api/notify"
def lineNotifyMessage(token, msg):
    print(f"token {token} message {msg}")
    headers = {"Content-Type": "application/x-www-form-urlencoded",
               "Authorization": "Bearer " + token}
    post_data = f"message={msg}"

    response = requests.post(url, headers = headers, data = post_data)
    print(response.text)
    if response.status_code<300: #"response.status_code.ok" is also good
        print("successed")
    else:
        print("[HTTPError]"+str(response.status_code))
    return response.status_code
def temperature():
    dht11 = DHT11(Pin(15))
    dht11.measure()                 # start to measure
    temp  = dht11.temperature()     # return the temperature
    humid = dht11.humidity()        # return the humidity
    temp_str  = f"Temp: {temp}"
    humid_str = f"Himid: {humid}"

    return temp_str , humid_str

main()