FPGA: non-blocking mode (to be tested)

receiver/host/Completion.cpp

@@ -5,6 +5,7 @@
 
 #include "Completion.h"
 #include "../../common/JFJochException.h"
+#include "../../common/Definitions.h"
 
 inline uint64_t bit_concat(uint32_t high, uint32_t low) {
     return (uint64_t(high) << 32) | low;
@@ -25,9 +26,9 @@ Completion parse_hw_completion(uint32_t tmp[16]) {
     if (parity == 1)
         throw JFJochException(JFJochExceptionCategory::HardwareParityError, "Wrong parity in work completion");
 
-    if (c.handle == UINT32_MAX -1) {
+    if (c.handle == HANDLE_START) {
         c.type = Completion::Type::Start;
-    } else if (c.handle == UINT32_MAX) {
+    } else if (c.handle == HANDLE_END) {
         c.type = Completion::Type::End;
         c.frame_number = detector_frame_number;
     } else {