From 5d0ac762321464af74df18f1d83dd8e71663aada Mon Sep 17 00:00:00 2001
From: Felix Exner <feex@universal-robots.com>
Date: Tue, 6 May 2025 16:43:49 +0200
Subject: [PATCH] Allow an empty input recipe to the RTDE client

---
 src/rtde/rtde_client.cpp | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/rtde/rtde_client.cpp b/src/rtde/rtde_client.cpp
index c804041a..7597f430 100644
--- a/src/rtde/rtde_client.cpp
+++ b/src/rtde/rtde_client.cpp
@@ -169,9 +169,16 @@ void RTDEClient::setupCommunication(const size_t max_num_tries, const std::chron
     return;
   }
 
-  setupInputs();
+  if (input_recipe_.size() > 0)
+  {
+    setupInputs();
   if (client_state_ == ClientState::UNINITIALIZED)
     return;
+  }
+  else
+  {
+    writer_.init(0);
+  }
 
   // We finished communication for now
   pipeline_->stop();
@@ -717,4 +724,4 @@ std::vector<std::string> RTDEClient::splitVariableTypes(const std::string& varia
   return result;
 }
 }  // namespace rtde_interface
-}  // namespace urcl
\ No newline at end of file
+}  // namespace urcl