def connect_wifi(ssid, pwd):
global disp
# 初始化网络
wlan = network.WLAN(network.STA_IF)
wlan.active(True)
wlan.connect(ssid, pwd)
while True:
print('wifi is connecting...')
disp.text(20, 30, 'wifi is connecting...', disp.RED)
if (wlan.isconnected() == True):
print('wifi is connected')
disp.textClear(20, 30, 'wifi is connecting...')
disp.text(20, 30, 'wifi is connected', disp.RED)
ip = wlan.ifconfig()[0]
print('IP: %s' % ip)
disp.text(20, 50, ip, disp.RED)
# NTP时间更新，如果更新不成功，将不能进行识别
print('NTP start')
disp.text(20, 70, 'NTP start...', disp.RED)
sntp.setTime('UTC')
print('NTP done')
disp.textClear(20, 70, 'sntp start...')
disp.text(20, 70, 'NTP done', disp.RED)
break
utime.sleep_ms(500)
utime.sleep(2)
# 等待设备成功连接到物联网平台
while(True):
if iot_connected:
print('物联网平台连接成功')
break
else:
print('sleep for 1 s')
utime.sleep(1)
print('sleep for 2s')
utime.sleep(2)
if __name__ == '__main__':
get_wifi_status()
sntp.setTime('CST-8', 'cn.pool.ntp.org')
connect_lk(productKey, deviceName, deviceSecret)
frame = 0
while True:
frame += 1
if screenMode == 0:
# 0 - 关闭
screen.fill(0)
screen.show()
utime.sleep(1)