Arduino/AVR Problems on my Gertboard

Former Member over 12 years ago

Hi there can someone help me get the AVR 328P-PU Microcontroller working with Arduino IDE.

I have followed and completed the setup instructions in the manual and on the website mentioned in the manual.

The error i am gettin is listed below:

avrdude: verification error, first mismatch at byte 0x0000

0x0c != 0x00

avrdude: verification error; content mismatch

and on the Gertboard all the buffered LEDs are lit

the sketch im trying to load is Blink example

If you need more information just ask and i will try my best to help get the information you requier.

Many Thanks in Advance

Lee

P.S: Sorry for any gramatical / spelling errors

wallarug over 12 years ago

Have you flashed the bootloader on to your ATMEGA?

Follow these steps here if you have not: https://projects.drogon.net/raspberry-pi/gertboard/arduino-ide-installation-isp/
Cancel
Vote Up 0 Vote Down

Sign in to reply

Cancel
guzunty over 12 years ago

Could be the boot loader, but I also recommend double checking the four patch wires that must be inserted between the Pi GPIOs and the ATMega ICSP pins. If any of those were swapped or out of position you'd get error messages like the ones you're seeing.
Cancel
Vote Up 0 Vote Down

Sign in to reply

Cancel
wallarug over 12 years ago in reply to guzunty

adding to the above...

1) Check that you have selected the correct board which will be: Gertboard ATMEGA.
2) Check that the port is Raspberry Pi Programmer
3) When uploading the sketch, make sure you go to file > 'upload using programmer'

Number 3 is the main cause of the issues you are having. you MUST upload using programmer.
Cancel
Vote Up 0 Vote Down

Sign in to reply

Cancel
Former Member over 12 years ago

Thank you for your replies im sorry i haven't gotten back to you sooner after trying all of your solutions, I am
no closer to finding a solution so i have gone and brought the components to boot load the ATMEGA chip from
my Arduino R3 Uno if that fails i will most likely know its the chip thats the problem.

Many Thanks,
Lee
Cancel
Vote Up 0 Vote Down

Sign in to reply

Cancel
wallarug over 12 years ago

I have an AVR problem as well.

It seems that if it loses power, it will not save the sketch that is on it. This only happens in certian situations, like when it loses power un-expectedly.

Anyone got any answers for this one?
Cancel
Vote Up 0 Vote Down

Sign in to reply

Cancel
gmjbakker over 12 years ago

I encountered the same error. I managed to overcome it by erasing the ATMega using the following command before uploading the next sketch:
avrdude -c gpio -p m328p -e
The -e erases the memory.
I haven't had time to scan the config files for avrdude and why it does not erase this at programming time, but the command is a work-around.
Hope this resolves your problem.
Cancel
Vote Up 0 Vote Down

Sign in to reply

Cancel