turns out we can read motherboard sensors

include/sys.hpp

@@ -13,6 +13,12 @@ namespace sys {
 const char months[][4] = {"sty", "lut", "mar", "kwi", "maj", "cze", "lip", "sie", "wrz", "paz", "lis", "gru"};
 const char wdays[][4] = {"Nie", "Pon", "Wto", "Sro", "Czw", "Pia", "Sob"};
 
+struct sysSensors {
+    std::string hwmon = "";
+    uint16_t fan_speed[2] = {0}; // left and right cpu fans
+    uint8_t t_sensor = 0; // ntc temp sensor
+};
+
 struct Memory {
     uint64_t free = 0;
     uint64_t used = 0;
@@ -27,6 +33,8 @@ struct TimeDate {
 void getTimeDate(TimeDate* td);
 void getDisk(Memory* disk, std::string mount);
 void getRam(Memory* mem);
+void detectHwmon(sysSensors* s);
+void updateSensors(sysSensors* s);
 
 }  // namespace sys