Latest threads in Embedded Programmingshow only best voted threads
| Subject | Author | Posted | Replies | |
|---|---|---|---|---|
|
|
interrupts vs function calls
I am new to embedded systems. I have few questions a)Can key board clicks be considered as hardware interrupts or software interrupts? b) How are interrupts different from function calls or...
3
|
12 years ago
|
3 | |
|
|
Keyboard Interrupt
Hello, my name is Sammy. I try to write an interrupt service routine for the keyboard interrupt. I'm using a Motorola 68HC08 and freescale's Codewarrior. Port A is connected with a button. Port B is...
3
|
12 years ago
|
3 | |
|
|
ULPI Transceivers in Bus Power Application
Hi Everyone, I started a new thread to address USB in bus powered application using ULPI. As I understand the idea of ULPI, the ULPI PHY is helpful when interfacing processors and FPGAs without built...
1
|
12 years ago
|
1 | |
|
|
Which embedded system would you use?
A research, Which digital and wired communication system would you use for the following robotic system. A system composed by a PC/104+ (it is just a very compact standard PC) with Xenomai (or maybe...
35
|
12 years ago
|
35 | |
|
|
overflow in supposed to be unsigned long
Hi, I have to transmit an unsigned long as four bytes, so I split them up and join them again, but with the folowing example code, I get overflow at long_counter>32767 - can any of you give me a clue...
36
|
12 years ago
|
36 | |
|
|
Ignore Suspend Current in USB Bus Pwr application?
I am looking at an device with a MCU managing a USB high speed peripheral. There is a SMSC USB3318 acting as a ULPI transceiver. It is desirable to be able to bus power the device but it may be very...
9
|
12 years ago
|
9 | |
|
|
Error/Beep/Blink codes
Hi, I have three layers of "degradation" in the event of various degrees of system failure: 1) if just some *aspect* of the system fails (e.g., an application crashes, etc.) then I provide high level...
31
|
12 years ago
|
31 | |
|
|
Flyback Power Supplies: Varnish question
Hi, some Switching Power Supplies come with some electronic components partially covered by a white glue called "Varnish". Does anybody know what Varnish is and why they use it all around in Power...
3
|
12 years ago
|
3 | |
|
|
PI controller algorithm
Hi There, I need to resolve following problem: I have an led panel with an opto transistor on it that measures the light emitted/reflected from the target. I want to control the emitted light to be...
12
|
12 years ago
|
12 | |
|
|
Even Blinder Optimization
I'm working on a Kalman filter application, with enough unknowns that the tuning process is very much seat of the pants. I've been getting things close, then using gradient optimization to get better...
6
|
12 years ago
|
6 | |
|
|
No DHCPOFFERS received.
Hello guys I have the cable modem internet connectrd to my PC through the DHCP and I want to access the internet on my arm board and for that I just connected the internet cable to my arm board and...
5
|
12 years ago
|
5 | |
|
|
BlackFin USB
I am experiencing very unreliable operation of the AD BlackFin BF-527 USB port (host mode, high speed). It seems to be a hardware problem. Did anyone accomplish a successful operation of the BlackFin...
5
|
12 years ago
|
5 | |
|
|
Installing Quartus-II software on Ubuntu Linux
Hi, Can anyone point me to some straightforward info re the above? The Altera site installation pages aren't particularly clear, and none of the links in the forums actually get me to anything useful,...
13
|
12 years ago
|
13 | |
|
|
New Microchip PIC24F32KA has HW Multiply, Barrel Shifter, 12-bit ADC
16-bit Microchip PIC24 sports a nice 16x16 hardware multiply and a barrel shifter. This also looks like it's the first Microchip PIC24 with a 12-bit ADC. 32KByte and 16KByte Flash parts available....
—
|
12 years ago
|
— | |
|
|
yaSSL at ESC Silicon Valley 2011
Hi! yaSSL will be exhibiting at ESC Silicon Valley, May 2-5, 2011 at the McEnery Convention Center in San Jose, CA. We'll be talking about several topics - including securing your applications and...
—
|
12 years ago
|
— |