97 lines
2.3 KiB
C++
97 lines
2.3 KiB
C++
#include <SPI.h>
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#include <Adafruit_GFX.h>
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#include <Adafruit_ST7735.h>
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#include <WiFi.h>
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#include <HTTPClient.h>
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#include <Arduino.h>
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#include <ArduinoJson.h>
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#define TFT_CS 12 // D12, GPIO12
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#define TFT_RST 25 // D25, GPIO25
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#define TFT_DC 2 // D2, GPIO2
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Adafruit_ST7735 tft = Adafruit_ST7735(TFT_CS, TFT_DC, TFT_RST);
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const char* ssid = "Keenetic-4604";
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const char* password = "23137099";
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unsigned long previousMillis = 0;
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const long interval = 500;
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int dotCount = 0;
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int cursorY = 10;
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void setup() {
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Serial.begin(115200);
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delay(1000);
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WiFi.mode(WIFI_STA);
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WiFi.begin(ssid, password);
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tft.initR(INITR_BLACKTAB);
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tft.setRotation(1);
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tft.fillScreen(ST77XX_BLACK);
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tft.setTextColor(ST77XX_WHITE);
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tft.setTextSize(2);
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tft.setCursor(10, cursorY);
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while(WiFi.status() != WL_CONNECTED){
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unsigned long currentMillis = millis();
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if (currentMillis - previousMillis >= interval) {
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previousMillis = currentMillis;
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tft.fillScreen(ST77XX_BLACK);
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tft.setCursor(10, 10);
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tft.print("Connecting");
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for (int i = 0; i < dotCount; i++) {
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tft.print(".");
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}
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dotCount++;
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if (dotCount > 3) {
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dotCount = 0;
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}
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}
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}
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tft.fillScreen(ST77XX_BLACK);
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tft.setCursor(10, 10);
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tft.println("Connected:");
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tft.println(WiFi.localIP());
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HTTPClient http;
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String serverName = "https://kekkai-api.redume.su/api/getRate/";
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String serverPath = serverName + "?from_currency=USD&conv_currency=RUB&date=2025-05-26";
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http.begin(serverPath.c_str());
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int httpResCode = http.GET();
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if (httpResCode > 0) {
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tft.fillScreen(ST77XX_BLACK);
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tft.setCursor(10, 10);
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tft.setTextSize(1.3);
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String payload = http.getString();
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StaticJsonDocument<256> doc;
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DeserializationError error = deserializeJson(doc, payload);
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if (error) {
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tft.println("JSON error");
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return;
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}
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String from = doc["from_currency"].as<const char*>();
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String to = doc["conv_currency"].as<const char*>();
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float rate = doc["rate"].as<float>();
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tft.print("1 " + String(from) + " = " + String(rate) + " " + String(to));
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}
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}
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void loop() {}
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