用ESP8266制作一个小时钟，外加天气情况
首先要准备一个ESP8266 模块，和一个OLED，我这里为了好看给他重新设计了一个板子，至少个头会MINI很多，很可爱。代码已经放上来了直接烧录进去，接线就可以使用。
成品图片
侧颜
部分代码
#include
#include "SSD1306Wire.h"
//2020.2.19
#include "images.h"
#include
#include
#include
#include
#include "NTP.h"
int json_state;//天气返回编码
int json_state2;//温度返回值
String json_temp;
const char* AP_SSID ="TP-LINK_06"; // 你的WiFi账号
const char* AP_PSK = ""; // 你的WiFi密码
const char *host = "ip-api.com"; //欲访问的域名
// 北京时间时区
#define STD_TIMEZONE_OFFSET +8 // Standard Time offset (-7 is mountain time)
TimeChangeRule mySTD = {"", First, Sun, Jan, 0, STD_TIMEZONE_OFFSET * 60};
Timezone myTZ(mySTD, mySTD);
WiFiClient client; //创建一个网络对象
String key = "SFYwl_WGlDEUncVhp"; //心知天气的秘钥，可以自己去注册也可以用我的
String weizhi = "zhuhai"; //这里写你的地址
//液晶部分
SSD1306Wire display(0x3c, 5, 4); //SDA SCL
typedef void (*Demo)(void);
/*====================================画天气图标函数===============================*/
void drawzhongyu() {
display.drawXbm(drawposition, 0, WiFi_Logo_width, WiFi_Logo_height, zhongyu);
}
void drawdayu() {
display.drawXbm(drawposition, 0, WiFi_Logo_width, WiFi_Logo_height, dayu);
}
void drawxiaoyu() {
display.drawXbm(drawposition, 0, WiFi_Logo_width, WiFi_Logo_height, xiaoyu);
}
void drawqingtian() {
display.drawXbm(drawposition, 0, WiFi_Logo_width, WiFi_Logo_height, qingtian);
}
void drawduoyun() {
display.drawXbm(drawposition, 0, WiFi_Logo_width, WiFi_Logo_height, duoyun);
}
void drawzhu() {
display.drawXbm(32, 0, 64, 64, WiFi_Logo_bits);
}
void drawseconds_iconclear() {
display.drawXbm(0, 40, 24, 24, icon_clear);
}
Demo demos[] = {drawqingtian, drawduoyun, drawxiaoyu, drawzhongyu, drawdayu, drawzhu, drawseconds_iconclear}; //6
/*========================画图部分结束，接下来是数据处理部分=====================*/
void wifi_start_connect() //连接WIFI
{
WiFi.mode(WIFI_STA); //设置esp8266 工作模式
Serial.println("Connecting to "); //写几句提示
Serial.println(AP_SSID);
WiFi.begin(AP_SSID, AP_PSK); //连接wifi
WiFi.setAutoConnect(true);
while (WiFi.status() != WL_CONNECTED) //这个函数是wifi连接状态，返回wifi链接状态
{
delay(500);
Serial.print(".");
}
Serial.println("WiFi connected IP is");
Serial.println(WiFi.localIP());
}
void parseUserData(String content)
{
const size_t capacity = JSON_ARRAY_SIZE(1) + JSON_OBJECT_SIZE(1) + 2 * JSON_OBJECT_SIZE(3) + JSON_OBJECT_SIZE(6) + 210;
DynamicJsonBuffer jsonBuffer(capacity);
JsonObject& root = jsonBuffer.parseObject(content);
JsonObject& results_0 = root["results"][0];
JsonObject& results_0_now = results_0["now"];
//const char* results_0_now_text = results_0_now["text"]; // 天气情况
int results_0_now_code = results_0_now["code"]; //天气情况识别码
const char* results_0_now_temperature = results_0_now["temperature"];//气温
display.setTextAlignment(TEXT_ALIGN_LEFT);
display.setFont(ArialMT_Plain_24);
json_temp = results_0_now_temperature;
json_state = results_0_now_code;
}
//调用api函数
void apicmd()
{
if (client.connect("api.seniverse.com", 80) == 1) //服务连接
{
client.print("GET /v3/weather/now.json?key=");
client.print(key);
client.print("&location=");
client.print(weizhi);
client.print("&language=zh-Hans&unit=c HTTP/1.1 ");
client.print("Host:api.seniverse.com ");
client.print("Accept-Language:zh-cn ");
client.print("Connection:close "); //向心知天气的服务器发送请求。
if (client.find(" ") == 1) //跳过返回的json数据头，
{
String json_from_server = client.readStringUntil(' '); //读取返回的JSON数据
Serial.println(json_from_server); //打印json数据
parseUserData(json_from_server); //调用josn解析函数，并传参
}
}
else
{
Serial.println("服务器连接失败");
delay(5000);
}
client.stop(); //关闭HTTP
}
String Middle_minutes;
String Middle_hours;
//时间获取函数
void updateDisplay(void) {
TimeChangeRule *tcr; // Pointer to the time change rule
// Read the current UTC time from the NTP provider
time_t utc = now();
// Convert to local time taking DST into consideration
time_t localTime = myTZ.toLocal(utc, &tcr);
// Map time to pixel positions
//int weekdays = weekday(localTime);
String days = (String) day(localTime);
String months = (String) month(localTime);
// String years = (String) year(localTime);
// String seconds = (String) second(localTime);
String minutes = (String) minute(localTime);
String hours = (String) hour(localTime);
/*串口输出时间
Serial.println("");
Serial.print("Current local time:");
Serial.print(days);
Serial.print("/");
Serial.print(months);
Serial.print("/");
Serial.print(years);
Serial.print(" - ");
Serial.print(hours);
Serial.print(":");
Serial.print(minutes);
Serial.print(":");
Serial.print(seconds);
Serial.print(" - ");
Serial.print(dayStr(weekdays));
Serial.println("");
*/
if (Middle_minutes != minutes)
{
display.clear();
display.setTextAlignment(TEXT_ALIGN_LEFT);
display.setFont(ArialMT_Plain_24);
Serial.println("调用天气");
apicmd();
display.drawString(75, 40, json_temp);
display.drawString(100, 40, "°C");
display.drawString(10, 5, hours);
display.drawString(38, 3, ":");
display.drawString(45, 5, minutes);
判断返回输出图标
if (json_state == 0)
{
demos[0]();
}
else if (json_state > 0 && json_state < 4)
{
demos[0]();
}
else if (json_state > 3 && json_state < 10)
{
demos[1]();
}
else if (json_state > 9 && json_state < 14)
{
demos[2]();
}
else if (json_state == 14)
{
demos[3]();
}
else if (json_state > 14 && json_state < 19)
{
demos[4]();
}
display.drawString(0, 40, months);
display.drawString(27, 40, "/");
display.drawString(33, 40, days);
Middle_minutes = minutes;
}
display.display();
}
void setup() {
Serial.begin();
display.init();
display.flipScreenVertically();//反向显示
display.clear();
demos[5]();
display.display();
initNTP(AP_SSID, AP_PSK);
client.setTimeout(5000);//设置服务器连接超时时间
}
time_t previousSecond = 0;
void loop() {
if (timeStatus() != timeNotSet) {
if (second() != previousSecond) {
previousSecond = second();
updateDisplay();
}
}
delay(1000);
}
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