Forward JoystickState to vision pis

This is so the roborio only has to send JoystickState to one node, in order to reduce load.

Signed-off-by: Yash Chainani <yashchainani28@gmail.com>
Change-Id: I098f65ac8a157289a6ad4c4522f45afa46b04453
diff --git a/y2023/joystick_republish.cc b/y2023/joystick_republish.cc
new file mode 100644
index 0000000..9542001
--- /dev/null
+++ b/y2023/joystick_republish.cc
@@ -0,0 +1,34 @@
+#include <sys/resource.h>
+#include <sys/time.h>
+
+#include "aos/configuration.h"
+#include "aos/init.h"
+#include "aos/events/shm_event_loop.h"
+#include "aos/flatbuffer_merge.h"
+#include "aos/init.h"
+#include "frc971/input/joystick_state_generated.h"
+#include "glog/logging.h"
+
+DEFINE_string(config, "aos_config.json", "Config file to use.");
+
+int main(int argc, char *argv[]) {
+  aos::InitGoogle(&argc, &argv);
+
+  aos::FlatbufferDetachedBuffer<aos::Configuration> config =
+      aos::configuration::ReadConfig(FLAGS_config);
+  aos::ShmEventLoop event_loop(&config.message());
+
+  aos::Sender<aos::JoystickState> sender(
+      event_loop.MakeSender<aos::JoystickState>("/imu/aos"));
+
+  event_loop.MakeWatcher(
+      "/roborio/aos", [&](const aos::JoystickState &joystick_state) {
+        auto builder = sender.MakeBuilder();
+        flatbuffers::Offset<aos::JoystickState> state_fbs =
+            aos::CopyFlatBuffer(&joystick_state, builder.fbb());
+        builder.CheckOk(builder.Send(state_fbs));
+      });
+
+  event_loop.Run();
+  return 0;
+}