Revert "Revert "Pegged librealsense Version as a Temporary Fix (UBC-S…

…nowbots#359)" (UBC-Snowbots#361)"

This reverts commit 863ae21.

setup_scripts/setup_realsense.sh

@@ -11,9 +11,20 @@ sudo apt-get install -y software-properties-common
 sudo apt-key adv --keyserver keys.gnupg.net --recv-key C8B3A55A6F3EFCDE || sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-key C8B3A55A6F3EFCDE
 sudo add-apt-repository "deb http://realsense-hw-public.s3.amazonaws.com/Debian/apt-repo bionic main" -u
 sudo rm -f /etc/apt/sources.list.d/realsense-public.list
+
 sudo apt-get update -y
-sudo apt-get install -y librealsense2-dkms librealsense2-utils librealsense2-dev librealsense2-dbg 
 
+# TODO (#359): We can (and SHOULD) switch back to using the below line once 
+# the ros realsense packages are updated to work with librealsense2 2.16.2
+# see https://github.com/intel-ros/realsense/issues/502 for updates.
+# (Right now we just peg the version to 2.16.1)
+# sudo apt-get install -y librealsense2-dkms librealsense2-utils librealsense2-dev librealsense2-dbg 
+version="2.16.1-0~realsense0.51"
+sudo apt-get install librealsense2-dkms -y
+sudo apt install librealsense2=${version} -y
+sudo apt-get install librealsense2-utils=${version} -y
+sudo apt-get install librealsense2-dev=${version} -y
+sudo apt-get install librealsense2-dbg=${version} -y
 
 echo "================================================================"
 echo "Finished configuring realsense. "