【得捷电子Follow me第4期】进阶任务

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【得捷电子Follow me第4期】进阶任务 [复制链接]

 

任务要求：从NTP服务器(注意数据交互格式的解析)同步时间，获取时间送显示屏(串口)显示。

 

NTP服务器：NTP 是用于同步网络中计算机时间的协议，全称为网络时间协议（Network Time Protocol）。在我们日常使用的电子设备中，只要能联网的，大都需要连接到 NTP 服务器，确保自己的时间和世界上的一致。

 

 

借鉴了@StreakingJerry大佬的帖子和电子烂人的帖子完成了ntp服务器时间的同步

代码如下

import ntptime
#import library
from machine import Pin,SPI,PWM
import framebuf
import usocket 
import network
import time

#LED define
led = Pin(25, Pin.OUT)

BL = 13
DC = 8
RST = 12
MOSI = 11
SCK = 10
CS = 9
"""
W5x00 chip initialization.
 
param: None
returns: None

"""
def w5x00_init():
    #spi init
    spi=SPI(0,2_000_000, mosi=Pin(19),miso=Pin(16),sck=Pin(18))
    nic = network.WIZNET5K(spi,Pin(17),Pin(20)) #spi,cs,reset pin
    nic.active(True)#network active
    nic.ifconfig(('192.168.1.20','255.255.255.0','192.168.1.1','8.8.8.8'))#Set static network address information
    while not nic.isconnected():
        time.sleep(1)
        print(nic.regs())#Print register information
        
    #Print network address information
    print("IP Address:",nic.ifconfig()[0])
    print("Subnet Mask:",nic.ifconfig()[1])
    print("Gateway:",nic.ifconfig()[2])
    print("DNS:",nic.ifconfig()[3])
    return nic

def dns_query(domain):
    ip = usocket.getaddrinfo(domain, 80,0, usocket.SOCK_STREAM)
    return ip[0][4][0]


class LCD_1inch14(framebuf.FrameBuffer):
    def __init__(self):
        self.width = 240
        self.height = 135
        
        self.cs = Pin(CS,Pin.OUT)
        self.rst = Pin(RST,Pin.OUT)
        
        self.cs(1)
        self.spi = SPI(1)
        self.spi = SPI(1,1000_000)
        self.spi = SPI(1,10000_000,polarity=0, phase=0,sck=Pin(SCK),mosi=Pin(MOSI),miso=None)
        self.dc = Pin(DC,Pin.OUT)
        self.dc(1)
        self.buffer = bytearray(self.height * self.width * 2)
        super().__init__(self.buffer, self.width, self.height, framebuf.RGB565)
        self.init_display()
        
        self.red   =   0x07E0
        self.green =   0x001f
        self.blue  =   0xf800
        self.white =   0xffff
        
    def write_cmd(self, cmd):
        self.cs(1)
        self.dc(0)
        self.cs(0)
        self.spi.write(bytearray([cmd]))
        self.cs(1)

    def write_data(self, buf):
        self.cs(1)
        self.dc(1)
        self.cs(0)
        self.spi.write(bytearray([buf]))
        self.cs(1)

    def init_display(self):
        """Initialize dispaly"""  
        self.rst(1)
        self.rst(0)
        self.rst(1)
        
        self.write_cmd(0x36)
        self.write_data(0x70)

        self.write_cmd(0x3A) 
        self.write_data(0x05)

        self.write_cmd(0xB2)
        self.write_data(0x0C)
        self.write_data(0x0C)
        self.write_data(0x00)
        self.write_data(0x33)
        self.write_data(0x33)

        self.write_cmd(0xB7)
        self.write_data(0x35) 

        self.write_cmd(0xBB)
        self.write_data(0x19)

        self.write_cmd(0xC0)
        self.write_data(0x2C)

        self.write_cmd(0xC2)
        self.write_data(0x01)

        self.write_cmd(0xC3)
        self.write_data(0x12)   

        self.write_cmd(0xC4)
        self.write_data(0x20)

        self.write_cmd(0xC6)
        self.write_data(0x0F) 

        self.write_cmd(0xD0)
        self.write_data(0xA4)
        self.write_data(0xA1)

        self.write_cmd(0xE0)
        self.write_data(0xD0)
        self.write_data(0x04)
        self.write_data(0x0D)
        self.write_data(0x11)
        self.write_data(0x13)
        self.write_data(0x2B)
        self.write_data(0x3F)
        self.write_data(0x54)
        self.write_data(0x4C)
        self.write_data(0x18)
        self.write_data(0x0D)
        self.write_data(0x0B)
        self.write_data(0x1F)
        self.write_data(0x23)

        self.write_cmd(0xE1)
        self.write_data(0xD0)
        self.write_data(0x04)
        self.write_data(0x0C)
        self.write_data(0x11)
        self.write_data(0x13)
        self.write_data(0x2C)
        self.write_data(0x3F)
        self.write_data(0x44)
        self.write_data(0x51)
        self.write_data(0x2F)
        self.write_data(0x1F)
        self.write_data(0x1F)
        self.write_data(0x20)
        self.write_data(0x23)
        
        self.write_cmd(0x21)

        self.write_cmd(0x11)

        self.write_cmd(0x29)

    def show(self):
        self.write_cmd(0x2A)
        self.write_data(0x00)
        self.write_data(0x28)
        self.write_data(0x01)
        self.write_data(0x17)
        
        self.write_cmd(0x2B)
        self.write_data(0x00)
        self.write_data(0x35)
        self.write_data(0x00)
        self.write_data(0xBB)
        
        self.write_cmd(0x2C)
        
        self.cs(1)
        self.dc(1)
        self.cs(0)
        self.spi.write(self.buffer)
        self.cs(1)
def main():
    pwm = PWM(Pin(BL))
    pwm.freq(1000)
    pwm.duty_u16(32768)#max 65535

    LCD = LCD_1inch14()
    nic = w5x00_init()
    #color BRG
    #ip = dns_query("www.baidu.com")
    #print("IP address is %s"%(ip))
    LCD.fill(LCD.white)
    
    print(rtc.datetime())

    LCD.show()
 
    time.sleep(1)
    LCD.fill(0xFFFF)    


    while True:
        try:
            ntptime.settime()
            t = time.localtime(time.time() + 8*3600)
            time.sleep_ms(1000)
            break
        except:
            print("Can not get time!")
    print("time: %s-%s-%s %s:%s:%s" % (t[0],t[1],t[2],t[3],t[4],t[5]))
    LCD.text("Follow me NO.4",20,20,LCD.red)
    LCD.text("%s-%s-%s"% (t[0],t[1],t[2]),20,40,LCD.blue)
    LCD.text('%s:%s:%s'% (t[3],t[4],t[5]),20,60,LCD.blue)
    LCD.show()        
if __name__ == "__main__":
    main()

效果如下图所示

 

 

 

Jacktang

ntp服务器时间的同步效果，还行吧，，，，