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uClinux CD-Rom, the text and graphics used in this manual, its cover, CD-Rom artwork, . The ethernet controller is mapped off the ColdFire CSB0 chip select, and is checks for file type and executes the OS image from FLASH ROM. The MCF device performs the full set of IEEE /Ethernet CSMA/CD media .. MCFUM ColdFire Integrated Microprocessor User Manual .. Default filename and filetype parameters are manipulated using the SET and SHOW. CodeWarrior Development Studio for Microcontrollers Vx ColdFire Build Tools Reference Manual, Rev. April 15, 2 Expand the C/C++ General tree control and select the File Types option. c. _5

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Wednesday, July 17, Author: MicroMonitor, or umon, is an embedded system boot platform. It is a target-resident environment that provides the developer with a set of capabilities that enhance the development process and add to the flexibility of the application being developed. A fully enabled MicroMonitor platform includes: There are absolutely no guarantees of any kind regarding this documentation or the MicroMonitor platform.

I now personally support the book and maintain the source code at As a result, MicroMonitor is being used on a variety of embedded systems around the world. Please report comments, questions or deficiencies in this documentation or the MicroMonitor platform directly to me at Note that this is a living document.

The cover page includes the issue date so check back frequently to make sure you have an up-to-date copy. The reference to umon 1.

This monitor package was written by me, Ed Sutter, and in many places both in this text and in the MicroMonitor source code itself there are references to the fact that I was the originator.

MicroMonitor. User Manual

While it is still reasonable for me claim to have written the bulk of the code, there have been several contributors to the package over the years. A contributor is not necessarily someone who has written code although this is certainly appreciated! Many thanks to those who have helped out! Finally, I need to thank a few folks for their efforts while I put this text together. My wife Lucy and son Tommy put up with me spending many weekends and evenings working through this.

To them I credit my enjoyment of life. Most importantly I thank God, who has been my strength and breath throughout life, for giving me His Son Jesus Christ. Through His death and resurrection on the cross for me and you!

The Lord says, I will rescue those who love Me. I will protect those who trust in My name. When they call on Me, I will answer; I will be with them in trouble. I will rescue them and honor them. I will satisfy them with a long life. Let us press on to know Him! Then He will respond to us as surely as the arrival of dawn or the coming of rains in early spring.

Take My yoke upon you. Let Me teach you, because I am humble and gentle, and you will find rest for your souls. May your Kingdom come soon. Give us each day the food we need, and forgive us our sins, as we forgive those who sin against us. And don’t let us yield to temptation. May it be exalted above all blessing and praise! You alone are the LORD. You made the skies and the heavens and all the stars. You made the earth and the seas and everything in them.


You preserve them all, and the angels of heaven worship you. Micromonitor Port to Cortex M3-type targets: Embedded hello world App 2: Can I replace TFS with some other flash file system? MicroMonitor is a living project. Features are added and bugs are fixed; hence there is a need for some mechanism for keeping track of the progress.

The original intent of this chapter was to introduce the changes that were a result of the initial umon1. Since release of umon1. The minor version number of umon increments each time a user-visible change is made, and this section will document those changes. So, this is a living document; hence, check the site occasionally for updates.

This chapter discusses what has changed, what has been eliminated and what has been added to MicroMonitor for the new 1. It covers features added to umon as well as updates made to the documentation. Available July As a result of a small project I was asked to do at work, over the last few weeks I’ve had the opportunity to finally play with what I think of as the “new generation of microcontrollers”.

Refer to 19 “MicroMonitor on a MicroController” for details. As of umon 2. As a result, the majority of the umon internals that originally hooked directly to TFS now interface to a more generic FS front-end referred to in the code and documentation as “umonfs”.

This is simply a wrapper for hopefully any flash file system to be used in place of TFS if needed. As of this writing, YAFFS is the alternative 1, and looking to the future I hope to add to this list based on system needs. New -m option to “set” to automatically update the monrc file with the shell variable initialization. When set, local echo is off on the command line interface. The host-tool tfs has a new argument getall, which allows the user to extract all files both deleted and non-deleted from a flash image for analysis.

Bug fix to TFS defragmentation. The result was that the building of the DSI space setup prior to actually starting a defrag would fail, so no file corruption would occur; however neither would a defrag because an exception would hit. Unfortunately this also messed up an interrupted defragmentation; such that upon restarting, the defragmentation state would be invalid.

If you re using something pre GCC The option is needed because 4. The expression evaluator now supports creation of upper or lowercase hex when using the hex, hex2, hex4, hex8 embedded functions.

MicroMonitor. User Manual – PDF

By default lower case is used; however, changing the function name to HEX[2 4 8] will result in uppercase. The script command “exit” now has a new -a option to support the ability to exit all the way out of a nested set of scripts.

Added text to this document regarding GDB-based hookup to umon. If they don t match, then the transaction will be aborted. To override this safety net, the P option can be speicifed. This requires a new env. There are now special cases to the set b command. If the parameter following the b is 0 then console output is turned off. Similarly if the parameter following the b is 1, the output is turned back on. If you re familiar with what strings in files, then you have an idea what this does.


It allows the user to embed retrievable strings into binary images, then extract them using this command to make decisions within a script. Read all about it on the what manpage. New option added to the host based tfs command to support the ability to examine binary images that contain TFS space, but not necessarily starting at the base of the image.

This bug, or at least one way to create this situation has been fixed. It presents itself to the user at the command line in the same way as DOSFS; however it is a superset. It hooks to umon s timeofday, has a programming API, and there is a current developer community refer to the website for more information. Refer to the command page for more information.

Bug fix in host command mkupdate. In the script created by mkupdate, the logic did not fi,etype deal with the case of the tested file not even being in TFS. This has been resolved. Bug fix in jffs2 command. It was not properly dealing with obsolete files; hence, under certain conditions files would be listed as present even if they were deleted.

Changed the sequence filerype monheader the initial startup message so that all user-defined strings are put at the top. New umon API call: The purpose of this function is to provide the ability for the application to install different flash drivers into umon.

Bug fix in processpacket. This is fixed so that the packet will be printed if verbosity is enabled. Added a generic means of polling for Ethernet-link-up state at system filehype.

Added a gratuitous Mznual send at system startup to provide two features: Prior to this change, the hook would be called just prior to the point where umon calls the tfsrunboot function to scan TFS for autobootable files, and then, if found, run them.

This is changed so that it is run once for each file that is autobooted, and ONLY if the file autoboots. If it is aborted for any reason, this function will not run.

As a result of working with a user on getting umon to build with MacOS, several cleanups were made to the host tools source code. No bug fixes, just cleanup because the code was not compiled until now with Wall; hence, a lot of warnings were not manuxl.

Onchip/NOR FLASH Programming User s Guide – PDF

This command provides some basic capability interface with a frame buffer device typically an LCDfor displaying splash screens. It also supports a console interface; hence a font-generation engine that supports varying sized fonts. Refer the the fbi command page section This command provides some basic command-line access to a target s colldfire screen connection.