forked from btclock/btclock_v3
60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
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#include "price_fetch.hpp"
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const PROGMEM char *cgApiUrl = "https://api.coingecko.com/api/v3/simple/price?ids=bitcoin&vs_currencies=usd%2Ceur";
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TaskHandle_t priceFetchTaskHandle;
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void taskPriceFetch(void *pvParameters)
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{
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WiFiClientSecure *client = new WiFiClientSecure;
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client->setInsecure();
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for (;;)
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{
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ulTaskNotifyTake(pdTRUE, portMAX_DELAY);
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HTTPClient *http = new HTTPClient();
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http->setUserAgent(USER_AGENT);
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// Send HTTP request to CoinGecko API
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http->begin(*client, cgApiUrl);
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int httpCode = http->GET();
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// Parse JSON response and extract average price
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uint usdPrice, eurPrice;
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if (httpCode == 200)
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{
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String payload = http->getString();
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StaticJsonDocument<96> doc;
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deserializeJson(doc, payload);
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usdPrice = doc["bitcoin"]["usd"];
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eurPrice = doc["bitcoin"]["eur"];
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setPrice(usdPrice);
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if (workQueue != nullptr && (getCurrentScreen() == SCREEN_BTC_TICKER || getCurrentScreen() == SCREEN_MSCW_TIME || getCurrentScreen() == SCREEN_MARKET_CAP))
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{
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WorkItem priceUpdate = {TASK_PRICE_UPDATE, 0};
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xQueueSend(workQueue, &priceUpdate, portMAX_DELAY);
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}
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preferences.putUInt("lastPrice", usdPrice);
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}
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else
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{
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Serial.print(F("Error retrieving BTC/USD price (CoinGecko). HTTP status code: "));
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Serial.println(httpCode);
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if (httpCode == -1)
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{
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WiFi.reconnect();
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}
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}
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}
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}
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void setupPriceFetchTask()
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{
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xTaskCreate(taskPriceFetch, "priceFetch", (6*1024), NULL, tskIDLE_PRIORITY, &priceFetchTaskHandle);
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xTaskNotifyGive(priceFetchTaskHandle);
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}
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