【CanMV K230 AI视觉】 气象时钟
- 功能描述：
- 说明
- HMDI资源
- 3.5寸屏幕
- 使用方法
为了方便小伙伴们理解，请查看视频
B站连接
功能描述：
- 天气信息获取：通过连接到互联网，实时获取天气数据，包括温度、湿度、天气状况、风向
- 实时时间显示：气象时钟能够显示当前的时间。
- 可视化天气：包括城市， 温度，相对湿度，实时风向，空气质量
说明
HMDI资源
HDMI屏幕的小伙伴下载链接：K230 气象时钟文件，包含图片，字体，代码
我在此基础上做了一个HDMI的气象时钟。（为了让小伙伴多给上面的大佬点赞，我这边的资源是VIP资源。）小伙伴可以去大佬那里点赞领取代码文件。3.5屏幕的小伙伴直接使用。HDMI的，可以使用我下面的代码。（资源里都带）
3.5寸屏幕
由大佬Dai0707分享，下载链接原作者博客.https://forum.01studio.cc/t/topic/70/2
| 文件 | 说明 |
|---|---|
| ui | 图片 |
| urllib | 代码 |
| main.py | 3.5寸屏代码 |
| main咸鱼浆.py | HDMI代码 |
| Source… | 字体 |
'''
实验名称：天气时钟
实验平台：01Studio CanMV K230
镜像版本：V1.0
日期:2024-8-27验证发布
教程：wiki.01studio.cc
作者:半只半解
版本:v1.0
修改：咸鱼浆
HDMI显示，更改UI坐标等等
'''import os, time, gc, sys, network, json, re
from clock.urllib import urequest ,ntptime
from media.display import *
from media.media import *
from machine import Pin# 初始化 Wi-Fi 指示灯
WIFI_LED_PIN = 52
LED = Pin(WIFI_LED_PIN, Pin.OUT)
bg=image.Image(f"/sdcard/clock/ui/1.jpeg").to_rgb565()
# 选择显示方式
#Display.init(Display.ST7701) # 使用 LCD 屏幕显示
Display.init(Display.LT9611) #通过HDMI显示图像
# 初始化媒体管理器
MediaManager.init()# 创建图像对象用于绘制
canvas = image.Image(1920, 1080, image.RGB565)
canvas.clear() # 清空图像# WiFi账号密码
SSID ='123456'
CODE ='123456'time.sleep(5) #等待WiFi模块初始化def WIFI_Connect(max_retries=5):"""连接到指定的 Wi-Fi 网络，并在屏幕上显示连接状态。"""# 初始化 Wi-Fi 接口wlan = network.WLAN(network.STA_IF)wlan.active(True)start_time = time.time() # 记录时间做超时判断retries = max_retries # 重试次数if not wlan.isconnected():print('连接到网络...')canvas.clear() # 清除屏幕并显示 "正在连接到 WiFi..." 的信息canvas.draw_string_advanced(600, 500, 80, "正在连接到 WiFi...", color=(255, 255, 255))Display.show_image(canvas)wlan.connect(SSID, CODE) # WiFi连接while not wlan.isconnected(): # 添加重试逻辑LED.value(1)time.sleep_ms(300)LED.value(0)time.sleep_ms(300)if time.time() - start_time > 15: # 超时判断,15秒没连接成功判定为超时print('WIFI 连接超时 !')wlan.active(False)return Falseif wlan.isconnected():LED.value(1) # LED点亮canvas.clear()# 清除上次残留# 显示连接成功的信息canvas.draw_string_advanced(600, 200, 80, "WiFi 连接成功", color=(255, 255, 255))canvas.draw_string_advanced(600, 400, 80, "WiFi IP: " + wlan.ifconfig()[0], color=(255, 255, 255))canvas.draw_string_advanced(600, 600, 80, "咸鱼浆", color=(255, 137, 54))Display.show_image(canvas)print('网络信息:', wlan.ifconfig()) # 打印网络信息# 立即获取天气信息和同步时间weather_get()sync_ntp()return Trueelse:canvas.clear() # 清除上次残留canvas.draw_string_advanced(600, 500, 80, "连接失败!", color=(255, 255, 255))Display.show_image(canvas)for _ in range(3): # LED 闪烁三次提示连接失败LED.value(1)time.sleep_ms(300)LED.value(0)time.sleep_ms(300)print('连接失败!!!', wlan.ifconfig()) # 打印错误信信息并把LED重置为熄灭状态# LED 重置为熄灭状态LED.value(0)return False""""同步NTP服务器时间"""
def sync_ntp():ntp_servers = ['202.120.2.101', 'ntp.ntsc.ac.cn'] # 第二个NTP服务器作为备选for server in ntp_servers:ntptime.host = servertry:ntptime.settime()print(f"成功从 {server} 同步时间")breakexcept Exception as e:print(f"从 {server} 同步ntp时间错误: {repr(e)}")continueelse:print("所有NTP服务器均无法同步时间，请检查网络连接或NTP服务器地址。")""""处理日期和时间"""def zero_str(str_num):num = int(str_num)return "0" + str(num) if num > 0 and num < 10 else str(num)"""天气爬取"""# 定义一个长度为5的字符列表
weather = ['']*5
is_first_run = True # 添加一个标志来标记是否为首次运行def weather_get(max_retries=5):print("尝试获取天气数据...")global weatherretries = max_retries# 保存当前的天气信息previous_weather = weather.copy()while retries > 0:try:myURL = urequest.urlopen("http://www.weather.com.cn/weather1d/101070101.shtml")text = myURL.read(40000).decode('utf-8') # 获取前38000个数据以节省内存#text = myURL.read(40000) # 获取前38000个数据以节省内存 V1.1版本用这个# 在网页内容中找出 var observe24h_data 相关内容match = re.search('var observe24h_data = ' + '(.*?)' + ';', text)if match:text2 = json.loads(match.group(1))# 获取城市、温度、湿度、风向、风力级数weather[0] = text2['od']['od1'] # 城市weather[1] = text2['od']['od2'][0]['od22'] # 温度weather[2] = text2['od']['od2'][0]['od27'] # 相对湿度weather[3] = text2['od']['od2'][0]['od24'] # 实时风向weather[4] = text2['od']['od2'][0]['od28'] # 空气质量return # 成功获取数据后退出函数except Exception as e:print(f"Error fetching weather data: {e}")retries -= 1 # 减少重试次数if retries > 0:print(f"尝试重新获取天气数据，剩余{retries}次...")time.sleep(5) # 等待一段时间再重试# 如果获取失败，恢复之前的天气信息weather = previous_weather.copy()print("获取天气数据失败！")""""开始连接wifi"""try:wifi_connected = WIFI_Connect()
except Exception as e:print(f"连接WIFI失败: {e}")wifi_connected = False# 如果连接失败，显示连接失败的信息
if not wifi_connected:print('WiFi连接失败.')canvas.clear() # 清屏,黑色canvas.draw_string_advanced(600, 500, 80, "连接失败,复位重新连接!", color=(255, 255, 255))Display.show_image(canvas) # 显示while True:pass # 阻塞在此，不再继续执行
else:# 创建一个包含所有图片路径的列表#kof_paths = [f"/sdcard/clock/ui/kof/{i}.png" for i in range(1, 18)] # 从1到17#star_paths = [f"/sdcard/clock/ui/star/{i}.png" for i in range(1, 25)] # 从1到24#logo_paths = [f"/sdcard/clock/ui/logo/{i}.png" for i in range(1, 31)] # 从1到31# 预处理所有图像并转换为RGB565格式#star_rgb565 = [image.Image(path).to_rgb565() for path in star_paths]#kof_rgb565 = [image.Image(path).to_rgb565() for path in kof_paths]#logo_rgb565 = [image.Image(path).to_rgb565() for path in logo_paths]# 用于显示图片#star_index = 0#kof_index = 0#logo_index = 0# 获取空气质量字符串aqi_str = weather[4]# 初始绘制,首次绘制.if is_first_run:# 清除上次残留canvas.draw_rectangle(0, 0, 1920, 1080, color = (0, 0, 0), thickness = 2, fill = True)canvas.draw_image(bg, 0, 0, alpha=256, scale=1.0)canvas.draw_string_advanced(140, 20, 120, f" {weather[0]} ", color = (255, 165, 0))# 绘制温度湿度信息canvas.draw_string_advanced(150, 190, 120, f"温度: {weather[1]}℃", color=(255,160,122))canvas.draw_string_advanced(900, 190, 120, f"湿度: {weather[2]}%", color=(32,178,170))# 清楚上次残留,并绘制风向信息canvas.draw_rectangle(140, 900, 840, 140, color = (199, 212, 195), thickness = 2, fill = True)canvas.draw_string_advanced(140, 900, 120, f"实时风向: {weather[3]}", color=(255, 255, 0))# 空气质量try:aqi = int(aqi_str)except ValueError:aqi = 0 # 设置默认值if 0 <= aqi < 50: # 优canvas.draw_rectangle(900, 30, 120, 100, color=(0, 255, 0), thickness=2, fill=True)canvas.draw_string_advanced(900, 30, 80, f" 优!", color=(0, 0, 0))elif 50 <= aqi < 100: # 良canvas.draw_rectangle(900, 30, 120, 100, color=(249, 218, 101), thickness=2, fill=True)canvas.draw_string_advanced(900, 30, 80, f" 良", color=(0, 0, 0))elif 100 <= aqi < 150: # 轻度canvas.draw_rectangle(900, 30, 120, 100, color=(255, 165, 0), thickness=2, fill=True)canvas.draw_string_advanced(900, 30, 80, f" 轻度", color=(0, 0, 0))elif 150 <= aqi < 200: # 中度canvas.draw_rectangle(900, 30, 120, 100, color=(212, 106, 106), thickness=2, fill=True)canvas.draw_string_advanced(900, 20, 80, f" 中度", color=(0, 0, 0))elif 200 <= aqi < 300: # 重度canvas.draw_rectangle(900, 30, 120, 100, color=(220, 20, 60), thickness=2, fill=True)canvas.draw_string_advanced(900, 30, 80, f" 重度", color=(0, 0, 0))elif 300 <= aqi < 500: # 严重canvas.draw_rectangle(900, 30, 120, 100, color=(139, 0, 0), thickness=2, fill=True)canvas.draw_string_advanced(900, 30, 80, f" 严重", color=(0, 0, 0))is_first_run = False # 设置标志为False，下次循环不绘制这些信息# 主循环last_weather_update = time.time() # 记录最后一次更新天气的时间try:while True:os.exitpoint() #检测IDE中断current_time = time.time() # 当前时间localtime_now = time.localtime() # 每次循环开始时定义 localtime_nowif current_time - last_weather_update > 1000: # 每隔1000秒更新一次天气信息last_weather_update = current_timeweather_get() # 获取天气sync_ntp() # 同步时间aqi_str = weather[4] # 更新空气质量字符串# 在同步时间之后获取本地时间并格式化time_str = '%s-%s-%s %s:%s:%s' % (localtime_now[0], # 年zero_str(localtime_now[1]), # 月zero_str(localtime_now[2]), # 日zero_str(localtime_now[3]), # 小时zero_str(localtime_now[4]), # 分钟zero_str(localtime_now[5]) # 秒)print("当前日期和时间:",time_str)# 清除上次残留, # 日期:年月日canvas.draw_rectangle(140, 400, 950, 200, color = (214, 202, 56), thickness = 2, fill = True)canvas.draw_string_advanced(120, 390, 180, f" {localtime_now[0]}-{zero_str(localtime_now[1])}-{zero_str(localtime_now[2])}", color=(144,238,144))# 清除上次残留, # 城市信息canvas.draw_rectangle(150, 20, 140, 140, color = (0, 0, 0), thickness = 2, fill = True)canvas.draw_string_advanced(140, 20, 120, f" {weather[0]} ", color = (255, 165, 0))# 绘制温度湿度信息canvas.draw_string_advanced(150, 190, 120, f"温度: {weather[1]}℃", color=(255,160,122))canvas.draw_string_advanced(900, 190, 120, f"湿度: {weather[2]}%", color=(32,178,170))# 清楚上次残留,并绘制风向信息canvas.draw_rectangle(140, 900, 840, 140, color = (199, 212, 195), thickness = 2, fill = True)canvas.draw_string_advanced(140, 900, 120, f"实时风向: {weather[3]}", color=(255, 255, 0))# 空气质量try:aqi = int(aqi_str)except ValueError:aqi = 0 # 设置默认值if 0 <= aqi < 50: # 优canvas.draw_rectangle(900, 30, 120, 100, color=(0, 255, 0), thickness=2, fill=True)canvas.draw_string_advanced(900, 30, 80, f" 优!", color=(0, 0, 0))elif 50 <= aqi < 100: # 良canvas.draw_rectangle(900, 30, 120, 100, color=(249, 218, 101), thickness=2, fill=True)canvas.draw_string_advanced(900, 30, 80, f" 良", color=(0, 0, 0))elif 100 <= aqi < 150: # 轻度canvas.draw_rectangle(900, 30, 120, 100, color=(255, 165, 0), thickness=2, fill=True)canvas.draw_string_advanced(900, 30, 80, f" 轻度", color=(0, 0, 0))elif 150 <= aqi < 200: # 中度canvas.draw_rectangle(900, 30, 120, 100, color=(212, 106, 106), thickness=2, fill=True)canvas.draw_string_advanced(900, 20, 80, f" 中度", color=(0, 0, 0))elif 200 <= aqi < 300: # 重度canvas.draw_rectangle(900, 30, 120, 100, color=(220, 20, 60), thickness=2, fill=True)canvas.draw_string_advanced(900, 30, 80, f" 重度", color=(0, 0, 0))elif 300 <= aqi < 500: # 严重canvas.draw_rectangle(900, 30, 120, 100, color=(139, 0, 0), thickness=2, fill=True)canvas.draw_string_advanced(900, 30, 80, f" 严重", color=(0, 0, 0))############主循环绘制############# 清除上次残留, # 日期:年月日canvas.draw_rectangle(140, 400, 950, 200, color = (214, 202, 56), thickness = 2, fill = True)canvas.draw_string_advanced(120, 390, 180, f" {localtime_now[0]}-{zero_str(localtime_now[1])}-{zero_str(localtime_now[2])}", color=(144,238,144))# 清除上次残留，# 时间 :小时分钟秒canvas.draw_rectangle(140, 620, 700, 170, color = (102, 218, 119), thickness = 2, fill = True)canvas.draw_string_advanced(120, 610, 150, f" {zero_str(localtime_now[3])}:{zero_str(localtime_now[4])}:{zero_str(localtime_now[5])}", color=(199, 237, 204))# 图片绘制## canvas.draw_image(star_rgb565[star_index], 480, 0, alpha=256, scale=1.0)# canvas.draw_image(kof_rgb565[kof_index], 700,700, alpha=256, scale=1.0)Display.show_image(canvas) # 显示图片time.sleep_ms(20) # 消除图片过快鬼畜# 查询内存,可有可无K230随便造这些小功能DRAM = gc.mem_free()if DRAM < 1000000: # 内存不足gc.collect() # 回收内存# 更新索引，使用模运算实现循环# star_index = (star_index + 1) % len(star_rgb565)# kof_index = (kof_index + 1) % len(kof_rgb565)# logo_index = (logo_index + 1) % len(logo_rgb565)# bg = (bg) % len(bg_rgb565)except KeyboardInterrupt:print("用户停止程序")except Exception as e:print(f"发生异常: {e}")finally:# 释放显示资源Display.deinit()MediaManager.deinit()os.exitpoint(os.EXITPOINT_ENABLE_SLEEP)使用方法
大致使用方法：
1，首先连接WIFI
输入WIFI账号密码
2，默认获取的是深圳市的气象数据
修改城市的方法也很简单，找到这段代码
把HTTP复制 在浏览器上粘贴
改一下自己想看的地方，然后吧链接替换就行
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