写一个通过ntp获取网络时间,并显示到oled上的代码
时间: 2023-08-31 10:27:48 浏览: 80
### 回答1:
以下是一个通过NTP获取网络时间,并显示到OLED上的Python代码:
```python
import network
import ntptime
from machine import I2C, Pin
from ssd1306 import SSD1306_I2C
import time
# WiFi连接信息
WIFI_SSID = "your_wifi_ssid"
WIFI_PASSWORD = "your_wifi_password"
# OLED显示器信息
WIDTH = 128
HEIGHT = 32
SCL_PIN = 5
SDA_PIN = 4
# 连接WiFi
wifi = network.WLAN(network.STA_IF)
wifi.active(True)
wifi.connect(WIFI_SSID, WIFI_PASSWORD)
while not wifi.isconnected():
pass
# 连接OLED
i2c = I2C(scl=Pin(SCL_PIN), sda=Pin(SDA_PIN))
oled = SSD1306_I2C(WIDTH, HEIGHT, i2c)
# 同步网络时间
ntptime.settime()
# 显示时间
while True:
# 获取当前时间
year, month, day, hour, minute, second, _, _ = time.localtime()
# 显示到OLED
oled.fill(0)
oled.text("{:04d}-{:02d}-{:02d}".format(year, month, day), 0, 0)
oled.text("{:02d}:{:02d}:{:02d}".format(hour, minute, second), 0, 16)
oled.show()
# 等待1秒钟
time.sleep(1)
```
这段代码会连接到指定的WiFi网络,并使用NTP协议同步网络时间。然后将当前时间显示到OLED上,每秒钟更新一次。需要注意的是,需要安装`micropython-ssd1306`库才能使用SSD1306 OLED显示器。
### 回答2:
以下是一个通过NTP获取网络时间,并将其显示到OLED上的示例代码:
```python
import machine
import network
import ntptime
import ssd1306
# 设置WiFi连接信息
WIFI_SSID = "你的WiFi名称"
WIFI_PASSWORD = "你的WiFi密码"
# 设置OLED屏幕相关信息
OLED_SCL_PIN = 5
OLED_SDA_PIN = 4
OLED_WIDTH = 128
OLED_HEIGHT = 64
# 连接WiFi
def connect_wifi():
wifi = network.WLAN(network.STA_IF)
wifi.active(True)
if not wifi.isconnected():
wifi.connect(WIFI_SSID, WIFI_PASSWORD)
while not wifi.isconnected():
pass
# 连接到NTP服务器获取时间
def sync_time():
ntptime.settime()
# 在OLED屏幕上显示时间
def display_time(time_str):
i2c = machine.I2C(sda=machine.Pin(OLED_SDA_PIN), scl=machine.Pin(OLED_SCL_PIN))
oled = ssd1306.SSD1306_I2C(OLED_WIDTH, OLED_HEIGHT, i2c)
oled.fill(0)
oled.text("Time:", 0, 0)
oled.text(time_str, 0, 10)
oled.show()
# 主程序
def main():
connect_wifi()
sync_time()
time = machine.RTC().datetime()
time_str = "{}-{:02d}-{:02d} {:02d}:{:02d}:{:02d}".format(time[0], time[1], time[2], time[4], time[5], time[6])
display_time(time_str)
if __name__ == "__main__":
main()
```
需要注意的是,这个代码是基于MicroPython开发的,适用于使用ESP8266或ESP32等支持MicroPython的硬件平台。在实际应用中,你可能需要根据自己的硬件平台和网络环境进行适当的调整。
### 回答3:
以下是一个通过NTP获取网络时间并显示到OLED上的代码示例:
```python
import machine
import network
import ntptime
import ssd1306
# NTP服务器地址
ntp_server = 'ntp.aliyun.com'
# OLED相关配置
scl_pin = machine.Pin(5, machine.Pin.OUT)
sda_pin = machine.Pin(4, machine.Pin.OUT)
oled = ssd1306.SSD1306_I2C(128, 64, machine.I2C(scl=scl_pin, sda=sda_pin))
# 连接WiFi
wifi_ssid = 'your_wifi_ssid'
wifi_password = 'your_wifi_password'
def connect_wifi():
wifi = network.WLAN(network.STA_IF)
wifi.active(True)
if not wifi.isconnected():
wifi.connect(wifi_ssid, wifi_password)
while not wifi.isconnected():
pass
# 获取NTP时间
def get_ntp_time():
ntptime.settime()
(year, month, day, hour, minute, second, _, _) = machine.RTC().datetime()
return year, month, day, hour, minute, second
# 显示时间到OLED
def display_time(year, month, day, hour, minute, second):
oled.fill(0)
oled.text("Date: %04d-%02d-%02d" % (year, month, day), 0, 0)
oled.text("Time: %02d:%02d:%02d" % (hour, minute, second), 0, 16)
oled.show()
# 主程序
def main():
connect_wifi()
while True:
year, month, day, hour, minute, second = get_ntp_time()
display_time(year, month, day, hour, minute, second)
# 每隔1秒更新一次时间
machine.delay(1000)
if __name__ == '__main__':
main()
```
以上代码需要先安装`micropython-ntp`库,可以使用`upip`工具进行安装:``
```
# 安装micropython-ntp库
import upip
upip.install('micropython-ntp')
```
请根据实际需求修改WiFi配置、OLED引脚配置等部分。