forked from btclock/btclock_v3
64 lines
No EOL
1.9 KiB
C++
64 lines
No EOL
1.9 KiB
C++
#include "price_notify.hpp"
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const char *wsServerPrice = "wss://ws.coincap.io/prices?assets=bitcoin";
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// WebsocketsClient client;
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esp_websocket_client_handle_t clientPrice;
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unsigned long int currentPrice;
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void setupPriceNotify()
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{
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esp_websocket_client_config_t config = {
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.uri = wsServerPrice,
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};
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clientPrice = esp_websocket_client_init(&config);
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esp_websocket_register_events(clientPrice, WEBSOCKET_EVENT_ANY, onWebsocketPriceEvent, clientPrice);
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esp_websocket_client_start(clientPrice);
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}
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void onWebsocketPriceEvent(void *handler_args, esp_event_base_t base, int32_t event_id, void *event_data)
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{
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esp_websocket_event_data_t *data = (esp_websocket_event_data_t *)event_data;
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String init;
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String sub;
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switch (event_id)
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{
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case WEBSOCKET_EVENT_CONNECTED:
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Serial.println("Connected to CoinCap.io WebSocket");
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break;
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case WEBSOCKET_EVENT_DATA:
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onWebsocketPriceMessage(data);
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break;
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case WEBSOCKET_EVENT_ERROR:
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Serial.println("Connnection error");
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break;
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case WEBSOCKET_EVENT_DISCONNECTED:
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Serial.println("Connnection Closed");
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break;
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}
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}
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void onWebsocketPriceMessage(esp_websocket_event_data_t* event_data)
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{
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DynamicJsonDocument doc(event_data->data_len);
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deserializeJson(doc, (char *)event_data->data_ptr);
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if (doc.containsKey("bitcoin")) {
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if (currentPrice != doc["bitcoin"].as<long>()) {
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Serial.printf("New price %lu\r\n", currentPrice);
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const unsigned long oldPrice = currentPrice;
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currentPrice = doc["bitcoin"].as<long>();
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// if (abs((int)(oldPrice-currentPrice)) > round(0.0015*oldPrice)) {
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if (priceUpdateTaskHandle != nullptr)
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xTaskNotifyGive(priceUpdateTaskHandle);
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//}
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}
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}
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}
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unsigned long getPrice() {
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return currentPrice;
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} |