UHD: minor aesthetic corrections

lib/src/phy/rf/rf_uhd_rfnoc.h

@@ -70,7 +70,7 @@ private:
 #endif // UHD_ENABLE_CUSTOM_RFNOC
 
   const std::string               DMA_FIFO_BLOCK_NAME = "DmaFIFO";
-  const double       SETUP_TIME_S        = 1.0;
+  const std::chrono::milliseconds SETUP_TIME_MS       = std::chrono::milliseconds(1000UL);
   const uhd::fs_path              TREE_MBOARD_SENSORS = "/mboards/0/sensors";
   const uhd::fs_path              TREE_RX_SENSORS     = "/mboards/0/dboards/A/rx_frontends/0/sensors";
   const std::string               TX_ANTENNA_PORT     = "TX/RX";
@@ -191,7 +191,7 @@ private:
         }
 
         // Sleep for some time
-        std::this_thread::sleep_for(std::chrono::milliseconds(int64_t(1000 * SETUP_TIME_S)));
+        std::this_thread::sleep_for(SETUP_TIME_MS);
 
         // Create DDC control
         ddc_ctrl.resize(nof_radios);

lib/src/phy/rf/rf_uhd_safe.h

@@ -37,7 +37,7 @@ class rf_uhd_safe_interface
 {
 private:
 #ifdef ENABLE_UHD_X300_FW_RESET
-  const double X300_SLEEP_TIME_S = 5.0;
+  const std::chrono::milliseconds X300_SLEEP_TIME_MS = std::chrono::milliseconds(5000UL);
 #endif /* ENABLE_UHD_X300_FW_RESET */
 
   virtual uhd_error usrp_make_internal(const uhd::device_addr_t& dev_addr) = 0;
@@ -98,8 +98,8 @@ protected:
     }
 
     // Sleep for some time
-    Info("Wait " << std::to_string(X300_SLEEP_TIME_S) << " seconds");
-    std::this_thread::sleep_for(std::chrono::milliseconds(int64_t(1000 * X300_SLEEP_TIME_S)));
+    Info("Wait " << X300_SLEEP_TIME_MS.count() << " ms");
+    std::this_thread::sleep_for(X300_SLEEP_TIME_MS);
 
     // Try opening the device one more time
     return usrp_make_internal(dev_addr);