The embedded tag has no wiki summary.
4
votes
1answer
67 views
PCI obsolescence - IEEE1284 (EPP,ECP,LPT) printer port ASIC
I have a product in volume manufacture where the embedded CPU is now obsolete.
I have to replace that CPU with a lower cost alternative. For political (and practical) reasons I don't have a choice ...
1
vote
0answers
33 views
Simple embeded linux system optimal for wireless routers [closed]
I was considering starting a little project that involves extending the base role of a router to being somewhat of a home server(they're basically linux servers anyway)– but I'm more of a software ...
2
votes
1answer
68 views
Can I use a PC/104plus board on a PCI-104 connector
The problem is: I have a miniPCI card that I need to attach to a motherboard that only has an PCI-104 connector available for expansion. So i found an adapter that is a PC/104plus to MiniPCI adapter. ...
0
votes
0answers
66 views
Starting to tinker, any advice? [closed]
Possible Duplicate:
How to become an embedded software developer?
What good resources are there for a high school student to start learning electronics?
I have recently purchased a ...
3
votes
2answers
93 views
Is it possible to connect an embedded device to the internet through a USB internet Dongle?
In my country (Nigeria) we have very few wireless hotspots,
most people connect to the internet via private USB dongles.
I was wondering if it is possible to use these dongles to allow an embedded ...
8
votes
7answers
583 views
What happens when an embedded program finishes?
What happens in an embedded processor when execution reaches that final return statement
Does everything just freeze as it is; power consumption etc, with one long eternal NOP in the sky? or are NOPs ...
0
votes
0answers
55 views
PIC32 SPI ISR not being called when RXIF flag set?
I'm using a PIC32MX795F512L SPI3 module in slave mode. My master is sending data over the SPI line but my slave's interrupt service routine is never being called. The RX interrupt flag is being set ...
1
vote
2answers
98 views
I2C - RS232 controller
anyone have reccomendations for an IC that can be used to access a device with an RS-232 interface from an I2C bus?
Id rather have something that doesnt need programming as I already have a uC master ...
2
votes
2answers
107 views
Industrial electronics layout and design
Why do industrial panels for oil and natural gas compressors or other industrial equipment use terminal blocks for wire management? I have been doing some repairs for companies and was wondering why ...
-2
votes
0answers
37 views
DMA failure on MSP430
i am implementing a 3 layer communication protocol on MSP430. Physical, data link and application layer. There are standard test scripts to verify working of these layers by the protocol foundation. ...
1
vote
1answer
150 views
first step in embedded system [closed]
Possible Duplicate:
How to become an embedded software developer?
I'm third year undergraduate computer engineering I and I like embedded system I would like to be my specialize in ...
2
votes
2answers
78 views
Monitoring software for embedded application
I'm looking for a Windows application to collect data to a host PC from an embedded application (PIC microcontroller).
The communication between host and embedded application is via Ethernet.
It ...
0
votes
1answer
124 views
Calculating Delay
I want create one milisecond time delay. But, I don't know how to do it because I could not use following three variable in an equation, if there is. Can you help me to creating one milisecond time ...
1
vote
1answer
61 views
Restart execution from the start without having to reload
I am using GDB to load and debug my executable. At the moment, each time I want to run my program I first have to load it, and then continue it to start execution.
Apparently the run command starts ...
1
vote
1answer
56 views
Which startup file should I use?
Bundled with "Standard peripheral library" for my STM32F2 chip, are "startup" files startup_stm32f2xx.s. There is actually 5 different startup files, in five different folders:
MDK-ARM, TrueSTUDIO, ...
1
vote
1answer
39 views
TXE bit not reset in USART communication
I am programming a Cortex M3 chip (reference manual here). Specifically, I want to transmit bits through the USART. Reading pages 605 and following, I understand that the TXE bit of the USART status ...
1
vote
3answers
118 views
Is the GPIO speed involved in the baud rate of my USART?
I am working with am ARM Cortex M3 where two GPIO pins are configured as Alternate Function for use as USART pins. When setting the pins as Alternate Function, I have to set the Output Speed of those ...
2
votes
1answer
70 views
What is my AHB1 clock rate?
I am working with an ARM Cortex M3 chip (reference manual available here). I'm trying to get the baud rate of my USART communications right. Reading pages 613 onwards, I understand that the value I ...
-1
votes
1answer
81 views
Loop across ports (avr)
I am trying to scan a key matrix that is 9 rows long. Currently my code is a bunch of if statements, one per row, and I would like it get it down to a small if loop. I don't think I can put PINB, ...
3
votes
2answers
142 views
Extracting images from a camera in real-time
Me and a group of students are building a UAV and we want to put a high quality camera in it (i.e. a decent ~100mm zoom lens) and interface the imagery with on board processing. I have looked around ...
1
vote
2answers
203 views
Help a beginner who wants to start microcontroller coding
Hi I am new in microcontroller
I see lot of chip from Atmel company like AT89C2051,AT89S52,Atmega32,P89V51RD2.
Suppose I write a code for Atmega32 which blink one LED after 10 milliseconds.
Can I ...
2
votes
1answer
117 views
SPI: TI or Motorola mode?
I am programming a Cortex M3 bare-metal to talk with SPI Flash. One of the configuration bits of an SPI control register is FRF (Frame format). It can either be set to SPI Motorola mode (0) or to SPI ...
1
vote
1answer
101 views
Adding 3g wireless capability to an embedded project
How would I go about adding 3g wireless capability to an embedded project? Initially I thought about just using a USB host controller and purchasing a USB 3G card. This idea however seems "hackish" ...
0
votes
3answers
60 views
Board components that are sensitive to soldering heat
I have to test the various components of a board after manufacturing. I was told that SRAM, for example, is particularly sensitive to the soldering heat. What are other sensitive components?
The ...
1
vote
1answer
68 views
Testing the integrity of SRAM
I am testing a board that has external SRAM. Apparently the SRAM is relatively sensitive to the soldering heat from the manufacturing process, and so careful testing must be done to check integrity of ...
4
votes
1answer
184 views
Push-pull/open drain; pull-up/pull-down
I am reading the datasheet of an ARM Cortex chip, specifically the GPIO chapter. Ultimately, I want to configure various GPIO pins to use them in "Alternate Function" mode for read/write access to ...
1
vote
4answers
113 views
Embedded Linux start, Help
If i had a good knowledge in Java programming and know some information about Microcontroller, Can i begin to learn embedded linux? if not, how can i start in this field?
1
vote
4answers
230 views
What operating systems have been ported to Cortex-M3?
I am working with an ARM Cortex M3 (specifically STM32F217IGH6).
Are there any OS that have been ported to it?
0
votes
0answers
24 views
How a LPC 2368 controller get the bus mastership on 68K address and data bus
In my project I have 68K processor and LPC2368 controller.Always main program running through 68K processor,Some times I need the bus control of 68K is get over the controller.So please tell in what ...
3
votes
1answer
392 views
What is bit-banding?
I am reading the ARM Cortex M3 reference manual and the concepts "bit-band", "bit-band region" and "bit-band alias" appear.
What is bit-banding?
-1
votes
0answers
72 views
STM32 and embedded linux? [closed]
Possible Duplicate:
Linux on ARM Cortex-M3 series
Friends,
Any ideas on how to use embedded linux into STM32 system ?
Any shares or experiences will be very appreciated,
Thanks
3
votes
3answers
146 views
How to approach fault injection and analysis
Some time ago, I've posted this question, where I was looking for the most common faults that can happen in an embedded system. It has received some attention, but I think that I've taken the problem ...
1
vote
1answer
308 views
LCD driver code for interfacing LCD 16*2 with ATmega8
I'm new in Embedded systems
I write this code and tried to compile it in "AVR Studio" but I have one error and I can't correct it
the error is :"expected declaration or statement at end of input" and ...
3
votes
4answers
324 views
Can i implement a wireless connection between an embedded system and a mobile phone?
I'm trying out an automation system, and i was wondering if it is possible to communicate over, say WIFI between a mobile application and an embedded systems based arduino ethernet shield or microchip ...
1
vote
2answers
242 views
What will it take to build a small bluetooth device?
I am new to this part of StackExchange. I am doing a project that requires me to keep track of Bluetooth devices. So I want to build a tiny Bluetooth device that can be attached to almost anything; ...
1
vote
3answers
252 views
wifi module with MCU on one board
I would like a microcontroller already interfaced to a WiFi module, with the WiFi interface taken care of. Also, I want to be able to program the MCU to interface sensors or whatever...possibly with ...
2
votes
0answers
189 views
Will the Raspberry Pi be suitable for commercial embedded applications? [closed]
The Raspberry Pi look very impressive - GNU (Linux) /ARM for US $35!
As a software guy, though, I don't know if it is suitable for commercial projects. Can anyone comment? I am not thinking mission ...
9
votes
5answers
446 views
Embedded linux on FPGA
I have very limited experience with FPGAs (Altera - used only the visual design tools).
I am planning for a new project in which I need FPGA and I could benefit a lot from an actual linux running ...
0
votes
0answers
103 views
Logging wifi chip address?
I would like to use an Arduio + wifi shield to grab unique mac addresses of any wifi chips within range, these will then be sent to my home server. Right now my chip creates an ad-hoc wifi network ...
0
votes
1answer
467 views
How to properly connect to a RN-171 Roving Network's WiFly module?
I have this WiFly device and I can't seem to make it work correctly. I've connected both available interfaces (UART and SPI) to my microcontroller (STM32F107). For now, just the UART interface would ...
2
votes
5answers
154 views
Low power sensor heater circuit?
I am exploring a project which would require stationing several sensor packages outdoors in a semi-protected environment. I am wondering wether adding a simple, low-power heater circuit to the package ...
0
votes
2answers
153 views
Programming an LPC2148 in OSX
Right now I'm using HyperLoad to program an LPC2148 through USB. HyperLoad is a windows program and I have a Mac so I have to open up a Windows virtual machine to use it. Is there a way to program it ...
2
votes
0answers
86 views
Where to buy small low powered “black boxes”? [closed]
Basically what I'm looking for are compact (but I'm willing to sacrifice compactness in lieu of price) embedded boards that have just enough power and memory to run a linux kernel and a couple tiny ...
-1
votes
2answers
240 views
Is there any Certificates for Embedded system developers?
For example in the filed of networks there's CISCO,JUNIPER ...etc (CCNA,...)
or in the filed of databases there's oracle certificates and so on
So what about the developers of Embedded systems ...
1
vote
3answers
205 views
What's the next step in my track to become an Embedded Hardware or Hardware Engineer? [closed]
I'm a student studying computer engineering , I'm in love with hardware stuff /logic gates design ... etc
What I studied till now is :
Electronics
IC fabrication
Logic circuits design (sequential ...
2
votes
2answers
207 views
PIC16F877 analog pin configuration
I've been working with PIC16F877. Can someone please explain how to configure its pins to be analog or digital?
I saw somewhere that we need to configure ADCON1, but don't really understand how that ...
3
votes
0answers
149 views
Best platform for video processing from multiple sources [closed]
I'm looking to build a little project that involves taking video streaming from 2 or more sensors, performing some simple processing and then outputting the results to a PC (via USB, ethernet or ...
3
votes
2answers
372 views
bridge from wireless mesh network to mobile device over bluetooth or wifi
My company builds devices that communicate over both cellular and wireless mesh networks. The devices gather data from industrial equipment and send that data over the Internet to our servers.
...
3
votes
1answer
139 views
Best way to diagnose embedded computer in field problems?
I'll soon be deploying a new embedded system. I have a separate serial port that can connect to a diagnostic program. I also have two LEDs, one I flash to indicate the OS is running, the other that ...
0
votes
1answer
271 views
Need a suitable camera module [closed]
I'm working on a project called "vehicle black box system",it's main function is to log some data and store it to be processed later using a microcontroller (may be ARM or HC12) and then displayed on ...
