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Sue Loh's blog
Random spurts of inspired discussion
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Sue Loh's blog
Windows Embedded Challenge ROCKS!
Posted
over 7 years ago
by
sloh
7
Comments
I know I said I'd be blogging on the ce_base team blog now, but I figured my personal blog is a better place for this one as it's more personal in nature. I just finished two days of serving as a judge for the Windows Embedded Student Challenge . I had...
Sue Loh's blog
Windows CE Base Team Blog
Posted
over 7 years ago
by
sloh
0
Comments
We just created a new team blog, the CE base team blog, to cover kernel & file system issues. http://blogs.msdn.com/ce_base/ I'm going to start posting there instead of here. I probably won't have a lot of side-posts on this blog; I don't really...
Sue Loh's blog
Lock Convoys and How to Recognize Them
Posted
over 7 years ago
by
sloh
2
Comments
The problem: When using a particular application on one specific device, users noticed very bad UI response for a period of a few seconds. After those seconds, UI responsiveness went back to normal. The investigation: I used ActiveSync to drop celog...
Sue Loh's blog
Windows CE eHow-tos and Tutorials! WOW!!
Posted
over 7 years ago
by
sloh
0
Comments
I saw a blip of this at MEDC, and just checked it out myself. How cool! It's like a DevCon for all to share! http://msdn.microsoft.com/embedded/getstart/basics/tutorialsce/default.aspx Most of it is pretty basic stuff, but if you're new to Windows...
Sue Loh's blog
Using RAM over 512MB
Posted
over 7 years ago
by
sloh
1
Comments
Q: I can use only 512MB of RAM from my device. How can I address the remaining RAM ? On one of your posts you said that there is a way to go with more that 512 MB RAM. Can you help me on this issue? A: Windows CE can't address more than 512MB. There...
Sue Loh's blog
Recognizing Excessive Thread Switching
Posted
over 7 years ago
by
sloh
1
Comments
Sometimes the source of a performance problem is not that code is too slow, but that threads switch too frequently. When the system switches between threads, the system consumes extra cycles in scheduling activities such as selecting the next thread to...
Sue Loh's blog
Remote Kernel Tracker: More things you should recognize
Posted
over 7 years ago
by
sloh
1
Comments
I have a few more examples of patterns you can recognize when you’re looking at CeLog threading data in Remote Kernel Tracker. Note: these images are wacky heights because I tweaked them to cut off white space that didn’t contain any CeLog data. Thread...
Sue Loh's blog
Introduction to Remote Kernel Tracker
Posted
over 7 years ago
by
sloh
9
Comments
When you connect to a device with Remote Kernel Tracker, or when you open a log file that has been collected by one of the other CeLog tools, you’ll see a lot of data you may not understand. At MEDC this past week, a few people asked for a better explanation...
Sue Loh's blog
CeLog documentation
Posted
over 7 years ago
by
sloh
0
Comments
At long last, a big chunk of work I did to add documentation of CeLog & Remote Kernel Tracker has finally shown up in a form you can view. http://msdn.microsoft.com/library/en-us/wcedebug5/html/wce50conEventTracking.asp I did a huge brain dump...
Sue Loh's blog
How does the OS use the registry?
Posted
over 7 years ago
by
sloh
1
Comments
Q: As an embedded programmer I am new to all windows development. And as such I am ignorant of the registry. It seems to play a crucial part in the initialization of the OS (device drivers, services, etc) Do you know of a good source of information about...
Sue Loh's blog
More CE database Q&A
Posted
over 7 years ago
by
sloh
4
Comments
Posting some questions I received from my blog. 1. You mentioned the that the maximum size of an object store is 256MB. Which versions of Windows CE does this apply, Windows Mobile 2003, Pocket PC 2002? It applies to all versions of Windows CE....
Sue Loh's blog
GetTickCount – Truth and Fiction
Posted
over 7 years ago
by
sloh
10
Comments
I was surprised and dismayed to read a recent article in Embedded Systems Programming ( http://www.embedded.com/showArticle.jhtml?articleID=159902113 ) that gets so many things wrong about the GetTickCount API and portrays Windows CE so negatively. ...
Sue Loh's blog
On the lighter side
Posted
over 7 years ago
by
sloh
0
Comments
It is actually pretty funny to read this page in gizoogle: http://sites.gizoogle.com/?url=http://blogs.msdn.com/sloh/ It's really just an updated version of "jive," but it has been a while since I played with those filters so it's fun again. :-) Im tha...
Sue Loh's blog
DevCon 2005
Posted
over 7 years ago
by
sloh
0
Comments
Yeay! I'm going to this year's DevCon, which covers both Mobile and Embedded this year (instead of just Embedded as I've gone to in years past). Should be a hoot. I'm signed up as plain staff, not giving any talks (so far!), so I'll be working the booth...
Sue Loh's blog
Resolving Symbols Manually on Windows CE (ADDRESS --> SYMBOL)
Posted
over 7 years ago
by
sloh
7
Comments
You know you've been there. You are looking at a callstack, and the one function you want to know the identity of, failed to resolve symbols or has bad symbols . Dang! If only you knew what function 0x12345678 refers to, you'd find your bug. First...
Sue Loh's blog
Looking for a good tool for doing hex math
Posted
over 7 years ago
by
sloh
12
Comments
While I'm writing about all of these address tricks -- I figured I'd ask around if there's a good tool for manipulating hex values. I just use "calc" which comes with Windows; if you put it into scientific mode it will handle hex values for you. But it...
Sue Loh's blog
Windows CE Virtual Memory Layout for Debugging
Posted
over 7 years ago
by
sloh
3
Comments
I want to blog about how to resolve symbols manually, and realized I would have to assume that the reader would understand the CE VM layout. So I figure I’d better explain that first. You don’t need to know everything about the VM layout in order to work...
Sue Loh's blog
Debugging tricks
Posted
over 7 years ago
by
sloh
3
Comments
John Eldridge has posted some debugging tricks on his blog, and that has inspired me to write up some of my own. I'll start working on that... In the meantime I wanted to share a link to his tips: http://blogs.msdn.com/kitlfirst/ John has way more ninja...
Sue Loh's blog
It has been a while
Posted
over 7 years ago
by
sloh
0
Comments
I would use being busy as an excuse, except I'm always busy. ;-) Call it, lack of creativity about coming up with blog entries. I don't know how Mike Hall does it. Anyway I've gotten a couple of questions about allocating large amounts of memory, that...
Sue Loh's blog
2 [PC Magazine] SanDisk Marries Flash with USB
Posted
over 7 years ago
by
sloh
0
Comments
http://www.pcmag.com/article2/0,,1749522,00.asp Are there actually electrical components in the other half of the SD card, or is it just a sheath for the USB / handle for inserting & removing the SD card? Maybe I'm just out of touch but I'm impressed...
Sue Loh's blog
3 [InternetNews.com] Microsoft Now Leads in PDA, Embedded OS
Posted
over 8 years ago
by
sloh
1
Comments
http://www.internetnews.com/ent-news/article.php/3435501 All our hard work is paying off in a product I am truly proud of. :-)
Sue Loh's blog
CE memory division between "storage" & "program" memory
Posted
over 8 years ago
by
sloh
11
Comments
Somehow I've been involved in a bunch of discussions on this subject lately, so I figured I might as well lay out some of the issues. Q: What are the ways to set the way memory splits between storage & program memory? Or in other words, how do I set...
Sue Loh's blog
ADOCE 3.1 and PPC 2003
Posted
over 8 years ago
by
sloh
2
Comments
So, now that I've posted a message saying it's not possible to use the two together, I found a newsgroup post that says otherwise. http://groups.google.com/groups?q=About+ADOCE3.1+installing+on+PPC+2003+group:microsoft.public.windowsce.*&hl=en&lr...
Sue Loh's blog
What WINDOWS CE debugging tools would you like to see?
Posted
over 8 years ago
by
sloh
7
Comments
Just an informal survey -- I use some of our tools all the time, some rarely. I have my own nitpicks I'd like fixed and features I'd like to see added. But there's no guarantee I see the world the way you do. What are your opinions? Here are some ideas...
Sue Loh's blog
2 [Wireless News Factor] Samsung Develops VGA Screen for Mobile Phones
Posted
over 8 years ago
by
sloh
0
Comments
http://wireless.newsfactor.com/story.xhtml?story_title=Samsung-Develops-VGA-Screen-for-Mobile-Phones&story_id=26228 Very cool! Wonder how much it will cost or how much power it'll draw.
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