AcquisitionDevice: Completion queue is handled by particular implementation of the device

receiver/host/FPGAAcquisitionDevice.cpp

@@ -3,11 +3,25 @@
 
 #include "FPGAAcquisitionDevice.h"
 
-Completion FPGAAcquisitionDevice::ReadCompletion() {
-    uint32_t values[12];
-    while (!HW_ReadMailbox(values)) {
-        //  The receiving FIFO level is less than or equal to the RIT threshold
-        std::this_thread::sleep_for(std::chrono::microseconds(10));
-    }
-    return parse_hw_completion(values);
+void FPGAAcquisitionDevice::HW_StartAction() {
+    FPGA_StartAction();
+    read_work_completion_future = std::async(std::launch::async, &FPGAAcquisitionDevice::ReadWorkCompletionThread, this);
 }
+
+void FPGAAcquisitionDevice::HW_EndAction() {
+    read_work_completion_future.get();
+    FPGA_EndAction();
+}
+
+void FPGAAcquisitionDevice::ReadWorkCompletionThread() {
+    uint32_t values[12];
+
+    Completion c;
+    do {
+        while (!HW_ReadMailbox(values))
+            std::this_thread::sleep_for(std::chrono::microseconds(10));
+
+        c = parse_hw_completion(values);
+        work_completion_queue.PutBlocking(c);
+    } while (c.type != Completion::Type::End);
+}