btclock_v3/src/lib/price_notify.cpp

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No EOL
4.9 KiB
C++

#include "price_notify.hpp"
const char *wsServerPrice = "wss://ws.coincap.io/prices?assets=bitcoin";
// const char* coinCapWsCert = R"(-----BEGIN CERTIFICATE-----
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// mYnFZQIgHMEG0Cm7O4cn5KUzKOsTwwK+2U15s/jPUQi2n2IDTEM=
// -----END CERTIFICATE-----)";
// WebsocketsClient client;
esp_websocket_client_handle_t clientPrice = NULL;
uint currentPrice = 30000;
unsigned long int lastPriceUpdate;
void setupPriceNotify()
{
// currentPrice = preferences.get("lastPrice", 30000);
esp_websocket_client_config_t config = {
.uri = wsServerPrice,
// .task_stack = (7*1024),
// .cert_pem = coinCapWsCert,
.user_agent = USER_AGENT
};
clientPrice = esp_websocket_client_init(&config);
esp_websocket_register_events(clientPrice, WEBSOCKET_EVENT_ANY, onWebsocketPriceEvent, clientPrice);
esp_websocket_client_start(clientPrice);
}
void onWebsocketPriceEvent(void *handler_args, esp_event_base_t base, int32_t event_id, void *event_data)
{
esp_websocket_event_data_t *data = (esp_websocket_event_data_t *)event_data;
switch (event_id)
{
case WEBSOCKET_EVENT_CONNECTED:
Serial.println(F("Connected to CoinCap.io WebSocket"));
break;
case WEBSOCKET_EVENT_DATA:
onWebsocketPriceMessage(data);
break;
case WEBSOCKET_EVENT_ERROR:
Serial.println(F("Price WS Connnection error"));
break;
case WEBSOCKET_EVENT_DISCONNECTED:
Serial.println(F("Price WS Connnection Closed"));
break;
}
}
void onWebsocketPriceMessage(esp_websocket_event_data_t* event_data)
{
SpiRamJsonDocument doc(event_data->data_len);
deserializeJson(doc, (char *)event_data->data_ptr);
if (doc.containsKey("bitcoin")) {
if (currentPrice != doc["bitcoin"].as<long>()) {
uint minSecPriceUpd = preferences.getUInt("minSecPriceUpd", DEFAULT_SECONDS_BETWEEN_PRICE_UPDATE);
uint currentTime = esp_timer_get_time() / 1000000;
if (lastPriceUpdate == 0 || (currentTime - lastPriceUpdate) > minSecPriceUpd) {
// const unsigned long oldPrice = currentPrice;
currentPrice = doc["bitcoin"].as<uint>();
preferences.putUInt("lastPrice", currentPrice);
lastPriceUpdate = currentTime;
// if (abs((int)(oldPrice-currentPrice)) > round(0.0015*oldPrice)) {
if (workQueue != nullptr && (getCurrentScreen() == SCREEN_BTC_TICKER || getCurrentScreen() == SCREEN_MSCW_TIME || getCurrentScreen() == SCREEN_MARKET_CAP)) {
WorkItem priceUpdate = {TASK_PRICE_UPDATE, 0};
xQueueSend(workQueue, &priceUpdate, portMAX_DELAY);
}
//}
}
}
}
}
uint getPrice() {
return currentPrice;
}
void setPrice(uint newPrice) {
currentPrice = newPrice;
}
bool isPriceNotifyConnected() {
if (clientPrice == NULL)
return false;
return esp_websocket_client_is_connected(clientPrice);
}
void stopPriceNotify() {
esp_websocket_client_stop(clientPrice);
esp_websocket_client_destroy(clientPrice);
}