【零知ESP8266项目篇】1 OLED天气时钟
/*
2019年6月13日13:47:26
by 零知实验室
*/
#include <>
#include <>
#include <>
// time
#include <>
#include <sys/>
#include <>
#include ""
#include ""
#include ""
#include ""
#include ""
#include ""
#include ""
/***************************
* 开始设置
**************************/
// 这里填写WiFi凭证信息
const char* WIFI_SSID = "WiFi名";
const char* WIFI_PWD = "WiFi密码";
#define TZ 8 // 通用协调时 东八区 北京时间为准
#define DST_MN 60 // 在一些国家依然用夏令时
// Setup
const int UPDATE_INTERVAL_SECS = 20 * 60; // 更新20分钟
// 展示设置
const int I2C_DISPLAY_ADDRESS = 0x3c;
const int SDA_PIN = D3;
const int SDC_PIN = D4;
// OpenWeatherMap设置
// 在此处注册以获取API密钥
///how-tos/openweathermap-key/
//也可以在零知实验室官网查看“无线”项目篇中提供账户，获得API密匙
String OPEN_WEATHER_MAP_APP_ID = "3213ac05f30cc2f7d8d8da6d2b03f2e8";
//得到密匙 下面会有教程
/*
转到/find?q=并搜索位置。
通过结果设置并选择最接近要显示的实际位置的条目数据
它将是一个类似于/city/2657896.的链接最后的数字是你分配给下面常量的数字。
*/
String OPEN_WEATHER_MAP_LOCATION_ID = "1795565"; //city:深圳
//从此列表中选择语言代码：
//阿拉伯文-ar，保加利亚语-bg，加泰罗尼亚语-ca，捷克语-cz，德语-de，希腊语-el，
//英语-en，波斯语（波斯语）-fa，芬兰语-fi，法语-fr，加利西亚语-gl，
//克罗地亚语-hr，匈牙利语-hu，意大利语-it，日语-ja，韩语-kr，
//拉脱维亚-la，立陶宛语-lt，马其顿语-mk，荷兰语-nl，波兰语-pl，
//葡萄牙语-pt，罗马尼亚语-ro，俄语-ru，瑞典语-se，斯洛伐克语-sk，
//斯洛文尼亚文-sl，西班牙文-es，土耳其文-tr，乌克兰文-ua，越南文-vi，
//简体中文-zh_cn，繁体中文-zh_tw。
String OPEN_WEATHER_MAP_LANGUAGE = "zh_cn"; //这里选择中文简体。
const uint8_t MAX_FORECASTS = 4;
const boolean IS_METRIC = true;
// 根据你的需要调整语言
const String WDAY_NAMES[] = {"SUN", "MON", "TUE", "WED", "THU", "FRI", "SAT"}; //每周七天
const String MONTH_NAMES[] = {"JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC"}; //12个月
/***************************
* 结束设置
**************************/
// 初始化OLED地址
// I2C接口：SDA引脚14 SCL引脚12
SSD1306Wire display(I2C_DISPLAY_ADDRESS, SDA_PIN, SDC_PIN); //为OLED创建一个实例display
OLEDDisplayUi ui( &display ); //创建一个ui实例
OpenWeatherMapCurrentData currentWeather; //创建一个当前天气数据
OpenWeatherMapCurrent currentWeatherClient; //创建一个当前天气客户端
OpenWeatherMapForecastData forecasts[MAX_FORECASTS];
OpenWeatherMapForecast forecastClient;
#define TZ_MN ((TZ)*60)
#define TZ_SEC ((TZ)*3600)
#define DST_SEC ((DST_MN)*60)
time_t now;
// 标记每10分钟更改一次。
bool readyForWeatherUpdate = false;
String lastUpdate = "--";
long timeSinceLastWUpdate = 0;
//申明原型
void drawProgress(OLEDDisplay *display, int percentage, String label);
void updateData(OLEDDisplay *display);
void drawDateTime(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y);
void drawCurrentWeather(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y);
void drawForecast(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y);
void drawForecastDetails(OLEDDisplay *display, int x, int y, int dayIndex);
void drawHeaderOverlay(OLEDDisplay *display, OLEDDisplayUiState* state);
void setReadyForWeatherUpdate();
//添加框架
//此数组保留指向所有帧的函数指针
//框架是从右向左滑动的单个视图
FrameCallback frames[] = { drawDateTime, drawCurrentWeather, drawForecast };
int numberOfFrames = 3;
OverlayCallback overlays[] = { drawHeaderOverlay };
int numberOfOverlays = 1;
void setup() {
Serial.begin(115200);
Serial.println();
Serial.println();
// 初始化显示
display.init();
display.clear();
display.display();
//();
display.setFont(ArialMT_Plain_10);
display.setTextAlignment(TEXT_ALIGN_CENTER);
display.setContrast(255);
WiFi.begin(WIFI_SSID, WIFI_PWD);
int counter = 0;
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
display.clear();
display.drawString(64, 10, "Connecting to WiFi");
display.drawXbm(46, 30, 8, 8, counter % 3 == 0 ? activeSymbole : inactiveSymbole);
display.drawXbm(60, 30, 8, 8, counter % 3 == 1 ? activeSymbole : inactiveSymbole);
display.drawXbm(74, 30, 8, 8, counter % 3 == 2 ? activeSymbole : inactiveSymbole);
display.display();
counter++;
}
// 从网络时间服务得到时间
configTime(TZ_SEC, DST_SEC, "");
ui.setTargetFPS(30);
ui.setActiveSymbol(activeSymbole);
ui.setInactiveSymbol(inactiveSymbole);
// 你可以改变它，
// 向上（TOP）, 向左（LEFT）, 向下（BOTTOM）, 向右（RIGHT）
ui.setIndicatorPosition(BOTTOM);
// 定义第一个帧位于中间的位置
ui.setIndicatorDirection(LEFT_RIGHT);
// 你可以更改幻灯片通过
// 向左滑动（SLIDE_LEFT）,向右滑动（ SLIDE_RIGHT）向上滑动（ SLIDE_TOP）, 向下滑动（SLIDE_DOWN）
ui.setFrameAnimation(SLIDE_LEFT); //这里填写设置向左滑动，根据上面提供的注释、个人喜好选择
ui.setFrames(frames, numberOfFrames);
ui.setOverlays(overlays, numberOfOverlays);
// Inital UI takes care of initalising the display too.
ui.init();
Serial.println("");
updateData(&display);
}
void loop() {
if (millis() - timeSinceLastWUpdate > (1000L*UPDATE_INTERVAL_SECS)) {
setReadyForWeatherUpdate();
timeSinceLastWUpdate = millis();
}
if (readyForWeatherUpdate && ui.getUiState()->frameState == FIXED) {
updateData(&display);
}
int remainingTimeBudget = ui.update();
if (remainingTimeBudget > 0) {
//你可以在这里添加一些代码，当然要在下面的remainingTimeBudget（停留时间预算内）
//否则会出现闪频状态
delay(remainingTimeBudget);
}
}
void drawProgress(OLEDDisplay *display, int percentage, String label) //绘制进度
{
display->clear();
display->setTextAlignment(TEXT_ALIGN_CENTER);
display->setFont(ArialMT_Plain_10);
display->drawString(64, 10, label);
display->drawProgressBar(2, 28, 124, 10, percentage);
display->display();
}
void updateData(OLEDDisplay *display) //更新数据
{
drawProgress(display, 10, "Updating time...");
drawProgress(display, 30, "Updating weather...");
currentWeatherClient.setMetric(IS_METRIC);
currentWeatherClient.setLanguage(OPEN_WEATHER_MAP_LANGUAGE);
currentWeatherClient.updateCurrentById(¤tWeather, OPEN_WEATHER_MAP_APP_ID, OPEN_WEATHER_MAP_LOCATION_ID);
drawProgress(display, 50, "Updating forecasts...");
forecastClient.setMetric(IS_METRIC);
forecastClient.setLanguage(OPEN_WEATHER_MAP_LANGUAGE);
uint8_t allowedHours[] = {12};
forecastClient.setAllowedHours(allowedHours, sizeof(allowedHours));
forecastClient.updateForecastsById(forecasts, OPEN_WEATHER_MAP_APP_ID, OPEN_WEATHER_MAP_LOCATION_ID, MAX_FORECASTS);
readyForWeatherUpdate = false;
drawProgress(display, 100, "Done...");
delay(1000);
}
void drawDateTime(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y) //绘制数据时间
{
now = time(nullptr);
struct tm* timeInfo;
timeInfo = localtime(&now);
char buff[16];
display->setTextAlignment(TEXT_ALIGN_CENTER);
display->setFont(ArialMT_Plain_10);
String date = WDAY_NAMES[timeInfo->tm_wday];
sprintf_P(buff, PSTR("%s, %02d/%02d/%04d"), WDAY_NAMES[timeInfo->tm_wday].c_str(), timeInfo->tm_mday, timeInfo->tm_mon+1, timeInfo->tm_year + 1900);
display->drawString(64 + x, 5 + y, String(buff));
display->setFont(ArialMT_Plain_24);
sprintf_P(buff, PSTR("%02d:%02d:%02d"), timeInfo->tm_hour, timeInfo->tm_min, timeInfo->tm_sec);
display->drawString(64 + x, 15 + y, String(buff));
display->setTextAlignment(TEXT_ALIGN_LEFT);
}
void drawCurrentWeather(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y) //绘制当前天气信息
{
display->setFont(ArialMT_Plain_10);
display->setTextAlignment(TEXT_ALIGN_CENTER);
display->drawString(64 + x, 38 + y, currentWeather.description);
display->setFont(ArialMT_Plain_24);
display->setTextAlignment(TEXT_ALIGN_LEFT);
String temp = String(currentWeather.temp, 1) + (IS_METRIC ? "°C" : "°F");
display->drawString(60 + x, 5 + y, temp);
display->setFont(Meteocons_Plain_36);
display->setTextAlignment(TEXT_ALIGN_CENTER);
display->drawString(32 + x, 0 + y, currentWeather.iconMeteoCon);
}
void drawForecast(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y) //绘制预测信息
{
drawForecastDetails(display, x, y, 0);
drawForecastDetails(display, x + 44, y, 1);
drawForecastDetails(display, x + 88, y, 2);
}
void drawForecastDetails(OLEDDisplay *display, int x, int y, int dayIndex) //绘制预测明细
{
time_t observationTimestamp = forecasts[dayIndex].observationTime;
struct tm* timeInfo;
timeInfo = localtime(&observationTimestamp);
display->setTextAlignment(TEXT_ALIGN_CENTER);
display->setFont(ArialMT_Plain_10);
display->drawString(x + 20, y, WDAY_NAMES[timeInfo->tm_wday]);
display->setFont(Meteocons_Plain_21);
display->drawString(x + 20, y + 12, forecasts[dayIndex].iconMeteoCon);
String temp = String(forecasts[dayIndex].temp, 0) + (IS_METRIC ? "°C" : "°F");
display->setFont(ArialMT_Plain_10);
display->drawString(x + 20, y + 34, temp);
display->setTextAlignment(TEXT_ALIGN_LEFT);
}
void drawHeaderOverlay(OLEDDisplay *display, OLEDDisplayUiState* state) //绘制页眉
{
now = time(nullptr);
struct tm* timeInfo;
timeInfo = localtime(&now);
char buff[14];
sprintf_P(buff, PSTR("%02d:%02d"), timeInfo->tm_hour, timeInfo->tm_min);
display->setColor(WHITE);
display->setFont(ArialMT_Plain_10);
display->setTextAlignment(TEXT_ALIGN_LEFT);
display->drawString(0, 54, String(buff));
display->setTextAlignment(TEXT_ALIGN_RIGHT);
String temp = String(currentWeather.temp, 1) + (IS_METRIC ? "°C" : "°F");
display->drawString(128, 54, temp);
display->drawHorizontalLine(0, 52, 128);
}
void setReadyForWeatherUpdate() //设置为天气更新准备
{
Serial.println("Setting readyForUpdate to true");
readyForWeatherUpdate = true;
}