/******************************************************************************* * U8g2 RSS Reader * This is a simple RSS Reader sample with UTF-8 support * * * Raspberry Pi Pico W dependent libraries: * HttpClient: https://github.com/moononournation/HttpClient.git * * Setup steps: * 1. Fill your own SSID_NAME, SSID_PASSWORD, RSS_HOST, RSS_PORT, RSS_PATH * 2. Change your LCD parameters in Arduino_GFX setting ******************************************************************************/ /* WiFi settings */ #define SSID_NAME "YourAP" #define SSID_PASSWORD "PleaseInputYourPasswordHere" #define RSS_HOST "rss.weather.gov.hk" #define RSS_PORT 80 #define RSS_PATH "/rss/LocalWeatherForecast_uc.xml" /******************************************************************************* * Start of Arduino_GFX setting * * Arduino_GFX try to find the settings depends on selected board in Arduino IDE * Or you can define the display dev kit not in the board list * Defalult pin list for non display dev kit: * Arduino Nano, Micro and more: CS: 9, DC: 8, RST: 7, BL: 6, SCK: 13, MOSI: 11, MISO: 12 * ESP32 various dev board : CS: 5, DC: 27, RST: 33, BL: 22, SCK: 18, MOSI: 23, MISO: nil * ESP32-C3 various dev board : CS: 7, DC: 2, RST: 1, BL: 3, SCK: 4, MOSI: 6, MISO: nil * ESP32-S2 various dev board : CS: 34, DC: 38, RST: 33, BL: 21, SCK: 36, MOSI: 35, MISO: nil * ESP32-S3 various dev board : CS: 40, DC: 41, RST: 42, BL: 48, SCK: 36, MOSI: 35, MISO: nil * ESP8266 various dev board : CS: 15, DC: 4, RST: 2, BL: 5, SCK: 14, MOSI: 13, MISO: 12 * Raspberry Pi Pico dev board : CS: 17, DC: 27, RST: 26, BL: 28, SCK: 18, MOSI: 19, MISO: 16 * RTL8720 BW16 old patch core : CS: 18, DC: 17, RST: 2, BL: 23, SCK: 19, MOSI: 21, MISO: 20 * RTL8720_BW16 Official core : CS: 9, DC: 8, RST: 6, BL: 3, SCK: 10, MOSI: 12, MISO: 11 * RTL8722 dev board : CS: 18, DC: 17, RST: 22, BL: 23, SCK: 13, MOSI: 11, MISO: 12 * RTL8722_mini dev board : CS: 12, DC: 14, RST: 15, BL: 13, SCK: 11, MOSI: 9, MISO: 10 * Seeeduino XIAO dev board : CS: 3, DC: 2, RST: 1, BL: 0, SCK: 8, MOSI: 10, MISO: 9 * Teensy 4.1 dev board : CS: 39, DC: 41, RST: 40, BL: 22, SCK: 13, MOSI: 11, MISO: 12 ******************************************************************************/ #include #include #define GFX_BL DF_GFX_BL // default backlight pin, you may replace DF_GFX_BL to actual backlight pin /* More dev device declaration: https://github.com/moononournation/Arduino_GFX/wiki/Dev-Device-Declaration */ #if defined(DISPLAY_DEV_KIT) Arduino_GFX *gfx = create_default_Arduino_GFX(); #else /* !defined(DISPLAY_DEV_KIT) */ /* More data bus class: https://github.com/moononournation/Arduino_GFX/wiki/Data-Bus-Class */ Arduino_DataBus *bus = create_default_Arduino_DataBus(); /* More display class: https://github.com/moononournation/Arduino_GFX/wiki/Display-Class */ Arduino_GFX *gfx = new Arduino_ILI9341(bus, DF_GFX_RST, 0 /* rotation */, false /* IPS */); #endif /* !defined(DISPLAY_DEV_KIT) */ /******************************************************************************* * End of Arduino_GFX setting ******************************************************************************/ #if defined(ESP32) #include #include WiFiClient client; HTTPClient http; #elif defined(ESP8266) #include #include WiFiClient client; HTTPClient http; #elif defined(ARDUINO_RASPBERRY_PI_PICO_W) #include #include #include WiFiClient client; HttpClient http(client); #elif defined(RTL8722DM) #include #include #include WiFiClient client; HttpClient http(client); #endif void setup(void) { Serial.begin(115200); // while (!Serial); // Serial.setDebugOutput(true); Serial.println("Arduino_GFX U8g2 Font RSS Reader example"); #ifdef GFX_EXTRA_PRE_INIT GFX_EXTRA_PRE_INIT(); #endif Serial.println("Init display"); if (!gfx->begin()) { Serial.println("gfx->begin() failed!"); } gfx->fillScreen(BLACK); gfx->setUTF8Print(true); // enable UTF8 support for the Arduino print() function #ifdef GFX_BL pinMode(GFX_BL, OUTPUT); digitalWrite(GFX_BL, HIGH); #endif Serial.println("Init WiFi"); gfx->println("Init WiFi"); #if defined(ESP32) || defined(ESP8266) WiFi.mode(WIFI_STA); WiFi.begin(SSID_NAME, SSID_PASSWORD); #elif defined(ARDUINO_RASPBERRY_PI_PICO_W) WiFi.mode(WIFI_STA); WiFi.begin(SSID_NAME, SSID_PASSWORD); #elif defined(RTL8722DM) WiFi.begin((char *)SSID_NAME, (char *)SSID_PASSWORD); #endif while (WiFi.status() != WL_CONNECTED) { delay(500); Serial.print("."); gfx->print("."); } Serial.println(" CONNECTED"); gfx->println(" CONNECTED"); /* U8g2 font list: https://github.com/olikraus/u8g2/wiki/fntlistall */ /* U8g2 Unifont list: https://github.com/olikraus/u8g2/wiki/fntgrpunifont */ gfx->setFont(u8g2_font_unifont_t_chinese4); gfx->setTextColor(WHITE); } void loop() { if (WiFi.status() == WL_CONNECTED) { Serial.printf("[HTTP] begin...\n"); #if defined(ESP32) || defined(ESP8266) http.begin(client, RSS_HOST, RSS_PORT, RSS_PATH); int httpCode = http.GET(); #elif defined(ARDUINO_RASPBERRY_PI_PICO_W) || defined(RTL8722DM) http.get(RSS_HOST, RSS_PORT, RSS_PATH); int httpCode = http.responseStatusCode(); http.skipResponseHeaders(); #endif Serial.printf("[HTTP] GET... code: %d\n", httpCode); gfx->printf("[HTTP] GET... code: %d\n", httpCode); // HTTP header has been send and Server response header has been handled if (httpCode <= 0) { #if defined(ESP32) || defined(ESP8266) Serial.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str()); #endif } else { if (httpCode != 200) { Serial.printf("[HTTP] Not OK!\n"); gfx->printf("[HTTP] Not OK!\n"); delay(5000); } else { // get lenght of document(is - 1 when Server sends no Content - Length header) #if defined(ESP32) || defined(ESP8266) int len = http.getSize(); #elif defined(ARDUINO_RASPBERRY_PI_PICO_W) || defined(RTL8722DM) int len = http.contentLength(); #endif Serial.printf("[HTTP] size: %d\n", len); gfx->printf("[HTTP] size: %d\n", len); if (len <= 0) { Serial.printf("[HTTP] Unknow content size: %d\n", len); gfx->printf("[HTTP] Unknow content size: %d\n", len); } else { // get XML string String xml = http.readString(); // update hour int key_idx = xml.indexOf(""); key_idx = xml.indexOf("", key_idx + 6); int val_start_idx = key_idx + 7; int val_end_idx = xml.indexOf('<', val_start_idx); int update_hour = xml.substring(val_start_idx + 35, val_start_idx + 37).toInt(); String title = xml.substring(val_start_idx, val_end_idx); Serial.println(title); gfx->fillScreen(BLACK); gfx->setCursor(0, 16); // gfx->setTextSize(2); gfx->setTextColor(GREEN); gfx->println(title); gfx->println(); // description key_idx = xml.indexOf("<description><![CDATA[", val_end_idx); val_start_idx = key_idx + 22; val_end_idx = xml.indexOf("]]></description>", val_start_idx); String description = xml.substring(val_start_idx, val_end_idx); description.trim(); Serial.println(description); // gfx->setTextSize(1); gfx->setTextColor(WHITE); val_start_idx = 0; while (val_start_idx < description.length()) { val_end_idx = description.indexOf("<br/>", val_start_idx); if (val_end_idx < 0) { val_end_idx = description.length(); } String paragraph = description.substring(val_start_idx, val_end_idx); paragraph.trim(); gfx->println(paragraph); val_start_idx = val_end_idx + 5; } } } #if defined(ESP32) || defined(ESP8266) http.end(); #elif defined(ARDUINO_RASPBERRY_PI_PICO_W) || defined(RTL8722DM) http.stop(); #endif delay(60 * 60 * 1000); } } delay(1000); }