Daisuke Sato

There were some updates about SPI on L4T R32.2. __NOTE: NOT TESTED ON MY ENVIRONMENT YET__ * patch https://devtalk.nvidia.com/default/topic/1050427/jetson-nano/enabling-spidev-on-the-jetson-nano-is-hanging-when-flashing/post/5381403/#5381403 * flash tools https://devtalk.nvidia.com/default/topic/1062646/jetson-nano/updated-instructions-for-spi-on-nano-developmentkit-with-l4t-32-2-1/ https://github.com/gtjoseph/jetson-nano-support/tree/l4t_32.2.1

WIP: https://github.com/rt-net/JetsonNano_DT_SPI/tree/R32.2.1

``` ubuntu@JETBOT:~$ uname -a Linux JETBOT 4.9.140-tegra #1 SMP PREEMPT Mon Dec 9 22:47:42 PST 2019 aarch64 aarch64 aarch64 GNU/Linux ubuntu@JETBOT:~$ lsb_release -a No LSB modules are available. Distributor ID:...

Seems like using Jetson-IO enables the SPI function. [](https://gyazo.com/9126448b44479f79eae32efb2d393d74) [](https://gyazo.com/9d268b4ad01284658cb7fefdaa0cae25) [](https://gyazo.com/d6c38b550481743d3108feeb49ab738c)

関連 #30 バーチャルデバイスファイル機能をオプションにし、バーチャルデバイスファイル機能が有効なときはdiff_drive_controllerのcmd_velは直接操作しないことにします。

issueありがとうございます。確認します。

このworldはraspimouse_sim/raspimouse_gazebo/materials/gen_maze.shで自動生成したworldなのでこのスクリプトの修正も必要になります。#32 とは別にPRを出します。

READMEにあわせてwikiの内容を修正します

Due to the following message during the installation step, I'll stop the GitHub Actions for Melodic. `pkg_resources.DistributionNotFound: The 'importlib_metadata' distribution was not found and is required by rosdep` ``` #8...

> can you explain this naming convection? 20220921T0434 This is a timestamp based on the built time. `YYYYMMDDTHHmm` > is there a built version for 20.04 ubuntu focal ros2? There...