openrcforums

Did you protect your fuses between writes? If not.. the default would be to erase the epprom - resulting in a reformat being required Rob No, I deliberately didn't. The issue I'm trying to sort out is that I can't successfully write to the eeprom from eepe. I understand completely that writing the ...

Just did some more testing... (sorry for the slow responses but my posts are still being moderated...) I tried extracting the eeprom to a file using both eepe and companion9x and compared the two .hex files - they are identical (not surprising I guess, they both use avrdude with the same parameters)...

His problem seems different, as reading the radio's eeprom results in an invalid eepe file, and writing a valid eepe file from the PC results in bad eeprom message. Are you sure you use the latest versions of both eepe and er9x? Yes, that's exactly right. I can flash the firmware fine and the radio...

Hi all, I've been lurking here for a few weeks now, absorbing as much info as I can ready to jump in and "er9x" my radio. Last night I bit the bullet and soldered in 6 wires, hooked them up to my Arduino Uno and loaded up the ArduinoISP sketch. I launched eepe, configured the AVRDude setti...