Added BitAxe support

src/lib/bitaxe_fetch.cpp

@@ -0,0 +1,61 @@
+#include "bitaxe_fetch.hpp"
+
+TaskHandle_t bitaxeFetchTaskHandle;
+
+std::string bitaxeHashrate;
+std::string bitaxeBestDiff;
+
+std::string getBitAxeHashRate()
+{
+    return bitaxeHashrate;
+}
+
+std::string getBitaxeBestDiff()
+{
+    return bitaxeBestDiff;
+}
+
+void taskBitaxeFetch(void *pvParameters)
+{
+    for (;;)
+    {
+        ulTaskNotifyTake(pdTRUE, portMAX_DELAY);
+
+        HTTPClient http;
+        http.setUserAgent(USER_AGENT);
+        String bitaxeApiUrl = "http://" + preferences.getString("bitaxeHostname", DEFAULT_BITAXE_HOSTNAME) + "/api/system/info";
+        http.begin(bitaxeApiUrl.c_str());
+
+        int httpCode = http.GET();
+
+        if (httpCode == 200)
+        {
+            String payload = http.getString();
+            JsonDocument doc;
+            deserializeJson(doc, payload);
+            bitaxeHashrate = std::to_string(static_cast<int>(std::round(doc["hashRate"].as<float>())));
+            bitaxeBestDiff = doc["bestDiff"].as<std::string>();
+
+            if (workQueue != nullptr && (getCurrentScreen() == SCREEN_BITAXE_HASHRATE || getCurrentScreen() == SCREEN_BITAXE_BESTDIFF))
+            {
+                WorkItem priceUpdate = {TASK_BITAXE_UPDATE, 0};
+                xQueueSend(workQueue, &priceUpdate, portMAX_DELAY);
+            }
+        }
+        else
+        {
+            Serial.print(
+                F("Error retrieving BitAxe data. HTTP status code: "));
+            Serial.println(httpCode);
+            Serial.println(bitaxeApiUrl);
+        }
+    }
+}
+
+void setupBitaxeFetchTask()
+{
+    xTaskCreate(taskBitaxeFetch, "bitaxeFetch", (6 * 1024), NULL, tskIDLE_PRIORITY,
+                &bitaxeFetchTaskHandle);
+
+    xTaskNotifyGive(bitaxeFetchTaskHandle);
+}