AVRFlash V2.11a

[sadavis80]

No other place to report probs with AVRFlash, so here it is.
Latest version.
I WANT to disable programming of the fuse bits so I can't accidentally program them incorrectly and hose my ability to 'connect' with my ATmega1280 (on a BigAVR board).

I'm running from the 10 MHz Xtal on the MCU card. Normal programming OK. When I UNclick the 'Fuse Bits' box in the options window hit 'Write', the MCU drops to 1/10 speed. My 10 MHz MCU starts running at 1 MHz - I have NO IDEA what is causing it, but can guess that it might be programming ALL FUSE BITS TO ZERO?? maybe??

At any rate, if I simply open the options window and recheck the Fuse Bits box, I can hit 'Write' and the MCU comes back up at the proper speed.

BTW - we need an easier way to know that AVRFlash has been updated. There is no 'Check for Updates' in the menu structure and I can't find a place on your website where it gives the latest version number. All of the downloads just say 'AVRProg2' with no version number.
Steve

[JohannesH]

Hi!

This is an old bug within AVRFlash which I have already reported for 2.09 and 2.10. As far as I could see it behaves like the following:

If you uncheck the programming of the Lock and Fuse Bits this is ignored and in fact they are programmed. In my case the MCU was always set to internal oscilator 1 MHz.

The only workaround is to always check the settings for the Lock and Fuse Bits and let AVRFlash program them every time you flash the MCU. If you dont do it this way you may find your MCU with completely unexpected programmed Lock and Fuse Bits. So be careful!

regards
Johannes

[goran.marinkovic]

Hi,

I successfully reproduce mentioned problem and I informed our Hardware Developers about this.
The issue should be corrected in coming releases of AVR Flash.
I'm sorry for any inconvenience caused by this.

Regards

[JohannesH]

Thank you for giving us this information!

Johannes