鹹魚ESP32實例—在屏上顯示wifi信息

---

ZTWF開發板

0.96oled屏幕

示例程序

import network,time
from machine import I2C,Pin
from ssd1306 import SSD1306_I2C
#初始化相關模塊
i2c = I2C(sda=Pin(26), scl=Pin(25))
oled = SSD1306_I2C(128, 64, i2c, addr=0x3c)

def WIFI(uid,password):      #wifi賬號和密碼
  led=Pin(2,Pin.OUT)
  wifi = network.WLAN(network.STA_IF)
  wifi.active(True)
  stime=time.time()
  if not wifi.isconnected():
    print('~~~~~~~')
    wifi.connect(uid,password)
    while not wifi.isconnected():   #檢測狀態是燈光閃爍
      led.value(1)
      time.sleep_ms(300)
      led.value(0)
      time.sleep_ms(300)
      if time.time()-stime>15:   #連接超時就跳出去，不然會無限循環
        print('timeout')
        break
  if wifi.isconnected():
    led.value(1)
    print(wifi.ifconfig())            #打印4條信息
    oled.text('Wifi Information',0,0)
    oled.text(wifi.ifconfig()[0],0,20)  #截取信息
    oled.text(wifi.ifconfig()[1],0,36)   
    oled.text(wifi.ifconfig()[2],0,54)   
    oled.show()

WIFI('賬號','****密碼')