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1
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1answer
93 views

How can I take look inside of the atmega1280?

I want take look at the memory and at the element inside the atmega1280. I compiled Ardupilot sketch and I upload it with arduino. I started avarice with the following command: ...
-1
votes
2answers
119 views

Circuit is oscillating - why?

One area of a circuit I'm looking at is the schematic shown below. The Vin is a discrete signal, currently, I'm not sure of what the voltage is, (its slightly difficult to probe the circuit but I'm ...
1
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2answers
53 views

Debugger Atmega1280

I have an Atmel board, precisely an Atmega1280. I uploaded my code on the board and I want debug it to take a look at the stack memory. I just have the mini usb cable for the communication. I read ...
0
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0answers
54 views

Wierd 'Non-Deterministic' Values from Arduino FP Interpolation

I've got the following function that seems to be misbehaving itself (full code listing here): ...
3
votes
2answers
1k views

How do I debug a Arduino Uno with gdb on a Linux pc?

How do I debug (source code single step) a Arduino Uno with gdb on a Linux pc? Please note that I do not like to use AVR Studio in wine or VirtualBox. Question 1: Physical connection How and what do ...
4
votes
1answer
491 views

MicroSD Card Slot SPI Signals

I am having trouble communicating with an microSD card with an AVR on a board I'm working on. I used an oscilloscope to have a look at the signals coming out of the microSD socket on my board. I saw ...
4
votes
3answers
280 views

Did I Kill My Chip?

I've got an ENC28J60 Ethernet Controller in a circuit I'm building. I was testing it out but when I got to the point of talking to it over SPI with my micro-controller I got utter silence back from ...
0
votes
1answer
63 views

Debugging Vds exceeded in motor drive application

I have an existing motor drive circuit that uses an Allegro 4935 to drive a brushless DC motor. The circuit has been working fine. We've decided to change motors, now with some of the motors the ...
2
votes
2answers
517 views

DS1307 RTC Debug

I'm having trouble with getting the DS1307 RTC to work. I'm talking to it via an Arduino, and I'm just trying to get an example sketch to work. I've tried two different libraries - one from Ladyada, ...
5
votes
1answer
214 views

MCP79411 not “ticking”

I'm using the Microchip MCP79411 Real Time Clock. I can communicate with the device, read the MAC address from it, write to the EEPROM function and read back those values, but the Time and Date ...
2
votes
2answers
118 views

Debugging STM32LF1xx low-power behavior

Is there any practical way to use a SWD-based debugger such as those made by Segger to debug a program for the STM32LF1xx which uses low-power modes and sets the clock speed very slow? The debugger ...
2
votes
2answers
107 views

PowerPC Interrupt Vector 0xfff00800

This is a long shot, and may come under fire as not being EE-enough of a question for this site, but what conditions will result in a PowerPC processor (e.g. Freescale 7448) taking a jump to address ...
2
votes
1answer
645 views

Source level debugging on Arduino?

I've got an Arduino Duemilanove and am programming it in C with AVR Studio. Is there any way to get a source level debugger to work with this setup?
1
vote
2answers
252 views

help to debug thermometer circuit

I did finish a circuit, but it is not working. It is a LED thermometer. I assume that is not working, because It doesn't show nothing in the LED display. To debug i followed the steps: I turned on ...
6
votes
1answer
869 views

What is the functional difference between an in-circuit-debugger and an in-circuit emulator?

In-circuit emulators (abbreviated ICE) boast about their awesome debugging features, and also boast high price tags. In-circuit debuggers (abbreviated ICD) can do most of the stuff that an ICE can ...
2
votes
4answers
197 views

Code Running from Debugger but Not Without it

I am using WindRiver JTAG Debugger to debug my code. Whenever I run the code with Debugger connected, Code works correctly but If I disconnect it, It fails to even Start! Has anyone faced such kind ...
3
votes
4answers
766 views

Need help debugging my project: Fuses popping like crazy, but I can't find the reason why

I recently made a voltage and current controlled supply from a kit I found. It worked for about 15 minutes and then fuses started popping. Unfortunately, I have no idea why, because power supply ...
4
votes
2answers
530 views

8051 serial debug monitors

I'm working with an 8051 (Cypress FX2LP) that doesn't have jtag/bdm capability. Typically, developers on this project have been using ad-hoc serial printfs for debugging. I'm looking into options for ...
3
votes
2answers
1k views

In relation to a PIC, what is a debug header?

In a recent question on which PIC to use, one answer mentioned that a particular PIC had the feature that of debug hardware being built in, so that a special debug header was not needed. What is a ...
3
votes
2answers
514 views

Hot ENC28J60 @ 132 mW

I have a problem with a relatively simple board which consists of an ENC28J60 Ethernet controller and an ATmega168. The circuit around the ENC28J60 is straight out of the datasheet and I have the ...
3
votes
2answers
889 views

MSP430 seems to reset intermittently

I'm using the MSP430F5515 variant. I can't figure out any structured reason for it, but the chip clearly resets itself occasionally - i'm logging data and i put a 'known' string that only prints at ...
1
vote
1answer
1k views

avrdude and atmega48pa

Can i programm the atmega48pa with avrdude? I have problems with the signature ... ...
3
votes
1answer
1k views

AVR debugwire in Linux

So, I have hooked up a ATtiny88, and am programming it with the Dragon AVR using ISP. I have also set up the build toolchain, using avrdude, and the gnu avr tools. Everything is working great. Now I ...
12
votes
3answers
2k views

Jtag debugging AVR

Can anyone advise what hardware and software is required for debugging AVR in circuit.