Post Created date
Is FatFS file system robust?
I was disabling and enabling them in one of the timer interrupts (left over code from elsewhere!).  The SPI was used for reading/writing to FRAM, which is done only when...
Monday, 18 May 2020 - 22:53
Is FatFS file system robust?
Turns out I was disabling all interrupts in one of the interrupt routines!  That was clearing the flag. Thanks to all for the comments/help.    
Monday, 18 May 2020 - 16:49
Is FatFS file system robust?
Looking on a scope there is +/- ~0.3V peak noise on the power to the SD card. (i.e looking at the 3.3V SD card power, the scope is not triggered unless the trigger level is...
Friday, 15 May 2020 - 21:58
4 or 8 second WDT on ATMEGA 2560 not working
Thanks.  Should have check the docs and header files instead of copying someone else's code!!  Duh!!
Thursday, 2 April 2020 - 20:53
ICE Disconnects when Jtag plugged in.
Didn't put an ISP header on the board.  Would have to solder some wires to test points.  Can you program via USB without a bootloader already programmed?
Wednesday, 24 July 2019 - 00:15
ICE Disconnects when Jtag plugged in.
Got it working.   Yes. The connections are correct.  (yes I tried it both ways, and it is identical  on the board that works and the one that doesn't.)   Seems...
Tuesday, 23 July 2019 - 22:34
Does one really need to understand all this detail to use a FAT32 file system?  Seems like it would take a good deal of programming time if it is this complicated.   I...
Tuesday, 11 December 2018 - 03:08
Atmel Studio 7.0.1188 Release
Got a fix/workaround--I have to run Studio 7 as Administrator to get all the tools and to find the devices.  Not sure why. I did not install it as Administrator.
Friday, 14 October 2016 - 23:00
Atmel Studio 7.0.1188 Release
None of that works.   The devices are listed in  C:\Program Files (x86)\Atmel\Studio\7.0\packs\atmel\ATmega_DFP\1.0.106\gcc\dev and C:\Program Files (x86)\Atmel\Studio\7...
Friday, 14 October 2016 - 22:08
Atmel Studio 7.0.1188 Release
The new Atmel Studio installs but I can't load an existing project, which did compile with as-installer-7.0.594.exe, but it said ATmega128 not supported, and choosing another...
Friday, 14 October 2016 - 21:23