yjdwbj commented on pull request #2464: URL: https://github.com/apache/incubator-nuttx/pull/2464#issuecomment-738657045
@btashton According your mentioned maybe it's the tick timer problem. I checked the originally `nsh config`, I found the `CONFIG_SYSTEMTICK_EXTCLK=y` as default. I found the `CONFIG_SYSTEMTICK_EXTCLK=y` as default. Then I disable it. and using `usleep` command in `nsh shell` is ok. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org