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-rw-r--r--host/lib/usrp/x300/x300_fw_uart.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/host/lib/usrp/x300/x300_fw_uart.cpp b/host/lib/usrp/x300/x300_fw_uart.cpp
index b0fae124d..86141ca9a 100644
--- a/host/lib/usrp/x300/x300_fw_uart.cpp
+++ b/host/lib/usrp/x300/x300_fw_uart.cpp
@@ -132,6 +132,10 @@ struct x300_uart_iface : uart_iface
if (ch == '\r')
continue;
+ // avoid returning empty strings
+ if (ch == '\n' and _rxbuff.empty())
+ continue;
+
// store character to buffer
_rxbuff += std::string(1, (char)ch);