diff --git a/include/hwapi.h b/include/hwapi.h
index 89d745d..b8e0ff7 100644
--- a/include/hwapi.h
+++ b/include/hwapi.h
@@ -80,7 +80,8 @@ V4.0  6.9.2023: activating DC-Bootloader in slve-lib (SM)
 
 
 class QSharedMemory;
-
+class DownloadThread;
+class ReportingThread;
 class hwapi :   public QObject,
                 public hwinf
 {
@@ -92,6 +93,8 @@ private:
     void sub_storeSendingText(QByteArray *buf) const;
     QTimer *hwapi_TimerPayment;
     QSharedMemory *m_sharedMem;
+    ReportingThread *m_reportingThread;
+    DownloadThread *m_downloadThread;
     //QTimer *hwapi_triggerBL;
 
 public:
@@ -1316,10 +1319,47 @@ public:
         // countOfBills: array of up to 16 sums,    countOfBills[0]=nr of 5€-bills in stacker
         //                                          countOfBills[1] for 10€   and so on
 
+    // download device controller
+    bool dcDownloadRequest(QString const &fileToDownload) const override;
+    bool dcDownloadRequested() const override;
+    bool dcDownloadResetRequest() const override;
+    bool dcDownloadRequestAck() const override;
+    bool dcDownloadRunning() const override;
+    bool dcDownloadFinished() override;
 
+    bool dcDownloadReportStart() const override;
+    bool dcDownloadReportRunning() const override;
+    bool dcDownloadReportFinished() override;
 
+    bool dcDownloadThreadStart() override;
+    bool dcDownloadThreadRunning() const override;
+    void dcDownloadThreadFinalize(DownloadThread *) override;
+    bool dcDownloadThreadFinished() const override;
+    bool dcDownloadReportThreadStart() override;
+    bool dcDownloadReportThreadRunning() const override;
+    void dcDownloadReportThreadFinalize() override;
+    void dcDownloadReportThreadQuit() override;
+    bool dcDownloadReportThreadFinished() const override;
+
+    QString dcDownloadFileName() const override;
+    bool dcDownloadSetRequested(bool) override;
+    bool dcDownloadSetRunning(bool) override;
+    bool dcDownloadSetFinished(bool) override;
+    void dcDownloadSetTotalBlockNumber(uint16_t totalBlockNumber) override;
+    void dcDownloadSetCurrentBlockNumber(uint16_t currentBlockNumber) override;
+    bool dcDownloadGetRequested() const override;
+    bool dcDownloadGetRunning() const override;
+    bool dcDownloadGetFinished() const override;
+    uint16_t dcDownloadGetTotalBlockNumber() const override;
+    uint16_t dcDownloadGetCurrentBlockNumber() const override;
+
+    virtual QObject const *getAPI() override;
 
 signals:
+    void hwapi_reportDCDownloadStatus(QString const&) const;
+    void hwapi_reportDCDownloadSuccess(QString const&) const;
+    void hwapi_reportDCDownloadFailure(QString const&) const;
+
     void hwapi_templatePrintFinished_OK(void) const override;
     void hwapi_templatePrintFinished_Err(void) const override;