x300: Added hardware flush mechanism to PCIe logic.

- Added DMA enabled states to DMA logic to allow for hardware data flushing during init.
- niusrprio_session will now check for FPGA busy before downloading

1 files changed, 10 insertions, 0 deletions

diff --git a/host/lib/transport/nirio/niriok_proxy.cpp b/host/lib/transport/nirio/niriok_proxy.cpp
index 031623c9a..ac8faf0a4 100644
--- a/host/lib/transport/nirio/niriok_proxy.cpp
+++ b/host/lib/transport/nirio/niriok_proxy.cpp
@@ -293,6 +293,16 @@ namespace uhd { namespace niusrprio
     {
         return nirio_driver_iface::rio_munmap(map);
     }
+
+    nirio_status niriok_proxy::stop_all_fifos()
+    {
+        nirio_driver_iface::nirio_syncop_in_params_t in = {};
+        nirio_driver_iface::nirio_syncop_out_params_t out = {};
+
+        in.function = nirio_driver_iface::NIRIO_FUNC::FIFO_STOP_ALL;
+
+        return sync_operation(&in, sizeof(in), &out, sizeof(out));
+    }
 }}
 
 #ifdef __GNUC__