Appendix A. Worksheet

Though embedded Linux systems differ greatly, the method outlined in this book should readily apply to building any sort of embedded Linux system. It follows from this that it is possible to lay out a set of rules for specifying the particularities of each embedded Linux system. The worksheet presented in this appendix does just that. Once completed, any developer can use a worksheet in conjunction with the explanations in this book to recreate an embedded Linux system without any assistance from the original designers. During development, the worksheet can be used by members of the development team to obtain detailed information regarding each component of the system.

The worksheet contains one section for detailing each aspect of an embedded Linux system. Each section contains a set of attributes pertaining to the aspect of the embedded Linux system it describes. The sections are:

  • Project identification

  • Hardware summary

  • Development tools

  • Kernel

  • Root filesystem

  • Storage device organization

  • Bootloader configuration and use

  • Networking services

  • Custom project software

  • Debug notes

  • Additional notes

Most sections include a “Main contact” field. This field should be used to specify the name of the person responsible for this particular aspect of the embedded system during development. The person in charge of a certain aspect of the system is expected to be aware of the various caveats and keep up to date with the recent developments of the relevant open source and free software ...

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