Partially working HV Rescue Shield 2:
1) Test EEPROM succeeds
2) LFUSE and HFUSE are correctly programmed
3) Cannot program EFUSE
4) Cannot successfully test Flash
What might explain these symptoms?
Thanks.
Cannot program EFUSE or test Flash
Re: Cannot program EFUSE or test Flash
Hi hlawka - what arduino sketch are you using with the shield? My sketch does not support "Test eeprom" or "Test flash". I am not able to support 3rd party software with the shield.
Jeff Keyzer
http://mightyohm.com
http://mightyohm.com
-
- Posts: 3
- Joined: Sat Aug 15, 2015 2:10 pm
Re: Cannot program EFUSE or test Flash
I’m using the alternative “Plus” code version that’s on the web site, as well as your standard sketch. The test point shows +12.4V. Neither sketch allows the 328P’s EFUSE high nybble or bit 3 to be programmed, or allows the Flash to be tested or programmed.
Thanks.
Thanks.
Re: Cannot program EFUSE or test Flash
The latest sketch is here:
http://mightyohm.com/files/hvrescue21/H ... sketch.zip
Not all bits of the FUSE bytes can be programmed. For a list of valid bits see here: http://eleccelerator.com/fusecalc/fusec ... atmega328p
http://mightyohm.com/files/hvrescue21/H ... sketch.zip
Not all bits of the FUSE bytes can be programmed. For a list of valid bits see here: http://eleccelerator.com/fusecalc/fusec ... atmega328p
Jeff Keyzer
http://mightyohm.com
http://mightyohm.com