Latest threads in Embedded Programmingshow only best voted threads

Subject Author Posted Replies
 
Renegotiating "contracts"
Hi, I employ a client-server model evermore extensively in my designs. Practically everything is a client/actor/service. Many services are touch-and-go -- but, many other relationships are long...
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Is UML fit for embedded work?
I had already asked the question many years ago and the responses were mixed. We are currently part designing, part reengineering a big software project for the control of power stations. Since the...
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Crossworks & Interrupts
Hello I'm new to both ARM and Crossworks and trying to understand interrupts, i order to do so, i've created a small serial program to echo characters received, however it never seems to call the ISR....
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Raspberry Pi EMC Testing’s done!
Raspberry Pi EMC Testing?s done! Good news! We just received confirmation that the Raspberry Pi has passed EMC testing without requiring any hardware modifications. Full Story:...
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ov7690 SCCB interface
hi: i am trying to interface 0V7690 with SAM kit. ov7690 has SCCB interface. which i came to know that can be run over TWI interface. I have perfectly running code for TWI. and can read and write I2C...
 
A Forth Story...
in What a fascinating backstory! Thank you for sharing. Mentifex (Arthur) -- http://dis.4chan.org/read/prog/1332860361 A Forth Story... The Art of the Meme -- 2012 March excerpts
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Looking for USB stack with permissive licence (mass storage)
Hello everyone, I work for a small set-top box manufacturer. Our boxes have a 450-MHz SH-4 CPU and typically 128/256 MB of RAM, running a proprietary RTOS. At the moment, we are using a proprietary...
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Ganssle: ESD is kaput
It's not mentioned at (now but Jack Ganssle is reporting that Embedded Systems Design (ESD) is ceasing publication with the May issue. It's been shrinking steadily over the last few years and I guess...
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STM32F100RC -- GPIO in standby mode?
What is the state of GPIO pins when microcontroller is in standby mode? Each pin remembers it's own state: input, output, analog, pull-up, logic level on it? Which document (datasheet, etc) and where...
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OT? Formatting SD cards under Linux
I'm trying to work myself out of a bind. I have a backed up *.dd file of a target system image in a host file system, and am using a Vivitar SD card reader/writer to burn it down onto micro SD cards...
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USB hub SNAFUs
Hi, I was connecting another 4 port USB hub to a machine tonight "identical" to one already in service, there. Once in place (and operated in the same fashion as its sibling predecessor), it failed to...
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A Challenge for our Compiler Writer(s)
Hey Walter (et all, if you're out there): With the gnu tools, optimizations on, and an Arm Cortex M3, this goes a _lot_ faster when you precede it with #define ASSEMBLY_WORKS than when you don't. Yet...
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Cheap small LCD Display
s ive gn - .. It is also a bit bigger than he wants, and without backlight. Anyway, for small LCD this size, only graphical (segmented) screen make sense. Otherwise, over 1/4 of non-viewable area or...
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Putty
Hi, I am trying to use putty 0.61 for serial comms the device I am controlling requires CRLF to terminate commands when I use the ENTER key. Is it possible to get putty to send CRLF and if so how?...
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Ethernet programming question
I have a system based on the Freescale MPC5200B, running VxWorks, which has a strange problem. The system has a set of self tests which opens a socket server to the world. There is some PC software...
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