Function wifiscanLoop

nRFBox_V2/wifiscan.cpp:62–148

}

void wifiscanLoop() {
  unsigned long currentMillis = millis();

  if (!isScanComplete && currentMillis - scan_StartTime < scanTimeout) {
    int foundNetworks = WiFi.scanNetworks();
    if (foundNetworks >= 0) {
      isScanComplete = true;
    }
  }

  if (currentMillis - lastButtonPress > debounceTime) {
    if (digitalRead(BTN_PIN_UP) == LOW) {
      if (currentIndex > 0) {
        currentIndex--;
        if (currentIndex < listStartIndex) {
          listStartIndex--;
        }
      }
      lastButtonPress = currentMillis;
    } else if (digitalRead(BTN_PIN_DOWN) == LOW) {
      if (currentIndex < WiFi.scanComplete() - 1) {
        currentIndex++;
        if (currentIndex >= listStartIndex + 5) {
          listStartIndex++;
        }
      }
      lastButtonPress = currentMillis;
    } else if (digitalRead(BTN_PIN_SELECT) == LOW) {
      isDetailView = true;
      lastButtonPress = currentMillis;
    }
  }

  if (!isDetailView && isScanComplete) {
    u8g2.clearBuffer();
    u8g2.setFont(u8g2_font_6x10_tr);
    u8g2.drawStr(0, 10, "Wi-Fi Networks:");

    int networkCount = WiFi.scanComplete();
    for (int i = 0; i < 5; i++) {
      int currentNetworkIndex = i + listStartIndex;
      if (currentNetworkIndex >= networkCount) break;

      String networkName = WiFi.SSID(currentNetworkIndex);
      int rssi = WiFi.RSSI(currentNetworkIndex);

      String networkInfo = networkName.substring(0, 7);
      String networkrssi = " | RSSI " + String(rssi);

      if (currentNetworkIndex == currentIndex) {
        u8g2.drawStr(0, 20 + i * 10, ">");
      }
      u8g2.drawStr(10, 20 + i * 10, networkInfo.c_str());
      u8g2.drawStr(50, 20 + i * 10, networkrssi.c_str());
    }
    u8g2.sendBuffer();
  }