Re: [avr-chat] avrdude, stk600, updi, attiny3216

[Martin Stejskal]

Hi,

 I never used STK600, but from my experience from USBasp this happens when:

1) Clock is set too high. I would give a try to set it via "-B" parameter

2) Low voltage on target. I had some problems with flashing ATtiny13 when running at 3.3V. Changing power supply to 5V helped - this might not be your case, but check it

3) Wrong fuse settings - for example switched to external crystal, but external crystal is not present -> no clock for core -> no reply -> probably not your case

4) Wiring - since you made it work via AVR Studio, it should be OK

Hope it helps

  Martin

po 10. 6. 2019 v 18:09 odesílatel Till Sellschopp <address@hidden> napsal:

Hello everyone,

I have a problem when trying to program the attiny3216 with avrdude using the stk600 programmer. I could not find any related issues and hope, that someone in this mailing list might be able to help.

Firstly:

- The setup (wiring etc.) works with atmel studio. It is possible to read the device id of the attiny3216. 

- I use avrdude from this repository "https://github.com/facchinm/avrdude". It is a copy from the main svn. The latest changelog entry is "2018-01-21  Joerg Wunsch"

- Avrdude compiled without any issues or tailoring. 

I use the following command to connect to the attiny3216  "./avrdude -C avrdude.conf -c stk600 -p t3216 -v"

 

The connection to the stk600 is successful & related information is printed into the terminal. 

It terminates with:

"

avrdude: stk500v2_program_enable(): program enable instruction not defined for part "ATtiny3216"

avrdude: initialization failed, rc=-1

         Double check connections and try again, or use -F to override

         this check.

"

If -F is used, the following is printed after the stk600 information:

"

avrdude: stk500v2_program_enable(): program enable instruction not defined for part "ATtiny3216"

avrdude: initialization failed, rc=-1

avrdude: AVR device initialized and ready to accept instructions

avrdude: Device signature = 0x1057fe

avrdude: Expected signature for ATtiny3216 is 1E 95 21

avrdude done.  Thank you.

"

The following observations were made:

- The device id changes with each call

- The behaviour does not change if the updi line is disconnected

- I could not see any activity on the updi line with a logic analyzer

I would be very thankful for any hints or ideas.

Thanks & with best regards,

Till

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