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Reading hex files from Locked AVR chips??
Keywords: bricked, no response, JTAGEN, SPIEN, JTAG, SPI, mega128, m128, fuses. So in the interests of spelling it out for those that are as dumb as moi: If you have disabled...
Sunday, 8 August 2010 - 20:55
Reading hex files from Locked AVR chips??
Thanks for the fast response. One of those things where in spite of dire warnings from the system I plunged ahead with brain not engaged. The instant I had done it I realized I...
Sunday, 8 August 2010 - 16:46
Reading hex files from Locked AVR chips??
Thanks for all the speedy responses. Put simply: I don't understand WHY "injecting a clock on XTAL1" will make the m128 respond to disabled JTAG again. Background: I cleared the...
Sunday, 8 August 2010 - 16:13
Reading hex files from Locked AVR chips??
I've been a silly Billy and bricked my mega128. Has anyone written "Unbricking for Dummies" ? //Mike
Sunday, 8 August 2010 - 03:25
PFSTR and printf_PF
Wo! Jackpot!! Thanks for the comments, and code fragments. JW: Thanks for the macros. That's the kind of er.. hack I had in mind. I'm most grateful. Stu: Thanks for your...
Friday, 21 May 2010 - 15:40
PFSTR and printf_PF
Hi, thanks for the swift response. Yes I did know that. I was anticipating overflowing string and other fixed data space.
Friday, 21 May 2010 - 10:04
JTAG EESAVE warning
Steve17, Thanks. I am running JTAG. I can program the uC; read fuses etc. Just can't get that pesky menu item to light up. I found it was easier and more reliable to edit the...
Sunday, 16 May 2010 - 16:14
JTAG EESAVE warning
I too want to avoid overwriting EEPROM. I can't get the JTAGICEmkII option to light up. I'm using 4.18. I'm in Windows 7; I am administrator. It randomly lit up on one...
Wednesday, 12 May 2010 - 03:47
[TUT] [C] Getting SD/MMC card working painlessly with FatFS
(I'm on the road and responding from memory) I noticed that I got "FR_NO_PATH" when the file I was trying to open was in the top level directory, i.e. no directory structure. It...
Monday, 30 November 2009 - 18:10
[TUT] [C] Getting SD/MMC card working painlessly with FatFS
Great write up. Very helpful indeed. I was able to get the whole thing up and running on an atmega128 in half a day.
Monday, 23 November 2009 - 16:02
DosOnChip interface code anybody
Thanks folks. Given the tone of the feedback I've decide not to bother any more with DosOnChip.
Thursday, 19 November 2009 - 21:26
DosOnChip interface code anybody
Hah! SF won't take it back because I soldered onto it. I'm really not sure how I could have discovered the shortfalls without actually using it - or at least soldering the SPI...
Saturday, 14 November 2009 - 18:02

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