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-rw-r--r--host/lib/include/uhdlib/rfnoc/rfnoc_common.hpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/host/lib/include/uhdlib/rfnoc/rfnoc_common.hpp b/host/lib/include/uhdlib/rfnoc/rfnoc_common.hpp
index 4785949e7..c2ec4e0e3 100644
--- a/host/lib/include/uhdlib/rfnoc/rfnoc_common.hpp
+++ b/host/lib/include/uhdlib/rfnoc/rfnoc_common.hpp
@@ -36,6 +36,8 @@ constexpr size_t chdr_w_to_bits(chdr_w_t chdr_w)
}
}
+//! Device ID Type
+using device_id_t = uint16_t;
//! Stream Endpoint Instance Number Type
using sep_inst_t = uint16_t;
//! Stream Endpoint Physical Address Type
@@ -49,6 +51,8 @@ using sep_id_pair_t = std::pair<sep_id_t, sep_id_t>;
//! Stream Endpoint Virtual Channel Type
using sep_vc_t = uint8_t;
+//! NULL/unassigned device ID
+static constexpr device_id_t NULL_DEVICE_ID = 0;
//! NULL/unassigned device address
static constexpr sep_addr_t NULL_DEVICE_ADDR{NULL_DEVICE_ID, 0};
//! NULL/unassigned stream endpoint ID