June 2017
Intermediate to advanced
478 pages
13h 14m
English
Content preview from Mastering Embedded Linux Programming - Second Edition
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Using U-Boot
In this section, I will describe some of the common tasks that you can use U-Boot to perform.
Usually, U-Boot offers a command-line interface over a serial port. It gives a Command Prompt which is customized for each board. In the examples, I will use U-Boot#. Typing help prints out all the commands configured in this version of U-Boot; typing help <command> prints out more information about a particular command.
The default command interpreter for the BeagleBone Black is quite simple. You cannot do command-line editing by pressing cursor left or right keys; there is no command completion by pressing the Tab key; and there is no command history by pressing the cursor up key. Pressing any of these keys will disrupt the command ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.