uBlox Sara-U270 comm interface timing out

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Hi Adam,

The question is duplicated in this thread.

It could be the comm interface problem.
Detail reasons and patches are provided in previous thread.

We can do the followings to help locating the problem:

  1. Use FreeRTOS windows simulator as a comparison.
  2. Add more debug log to indicate the timeout reason.

A patch to reproduce this problem on windows simulator is also provided to help understanding this problem.

Let’s move the discussion in previous thread.
Please provide more information for discussion.