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Private instructions of JTAG on chip Debug
Mohamed asaad wrote: ... Could you explain what is the GDB ? ...   I think it stands for Generic Debug.  Part of the GCC tool suite for programming from the command...
Friday, 12 April 2019 - 19:51
Private instructions of JTAG on chip Debug
Many years ago I disassembled the JTAG-ICE code so I could do a search and replace on the differences to what it would take to run on a butterfly board.  The processors were...
Wednesday, 10 April 2019 - 18:53
FatFs and disk removal
meslomp wrote: ... Had an interesting thing yesterday evening. Although I shutdown my device by syncing and closing the open file and then removing power. It was no longer...
Monday, 25 February 2019 - 19:39
FatFs and disk removal
My Pipe organ controllers have a simple SD card socket, resistor divider level shifter and a mega328 on them.   In the first iteration I ported my floppy disk FAT12 reader to...
Saturday, 23 February 2019 - 05:01
AVR Dragon "backfeeding" power?
Looks like your VCC (sense) and reset are swapped if you are using the STK500 ISP layout.   Turn the dragon over, the pin out is on the reverse silkscreen.   ...
Friday, 15 February 2019 - 19:50
"Pit Boss" grill temperature probe
My brother's company designs sells these sorts of things to the big box stores.   Sometimes he brings over stuff from the 'free bin' for my parents.  Usually they...
Wednesday, 6 February 2019 - 07:25
Atmel ICE -- waste of money??
I have a whole den of Dragon's which have much the same issue.  Also have a jTag Ice MKII and a couple of the the old ICE200s. (Limited as they can only emulate a AT90s4433...
Saturday, 2 February 2019 - 04:04
BCD arithmetics
gunny5 wrote: Another question (sorry for the many questions) but I am trying to find anything about arithmetics with signed bcd numbers So I know how to split bcds in possitive...
Saturday, 12 January 2019 - 19:15
BCD arithmetics
Ouch!  how does that help you learn.  If you just copy something with out understanding it, how does that advance the knowledge of society? The whole point of an...
Thursday, 10 January 2019 - 21:00
BCD arithmetics
sparrow2 wrote: where is the mul and div part ?   I gave this thread a git link to the PT basic interpreter converted to AVRASM.  The four function maths package starts...
Sunday, 30 December 2018 - 19:50
BCD arithmetics
I once ported an old 8080 basic interpreter that had a BCD maths library.  Implementing the DAA instruction is only a handful of AVR opcodes. Calculators use BCD, it is great...
Sunday, 30 December 2018 - 03:24
Programming AT90S8515
ksvitale wrote:     Not on mine. Same V4.19 build 730. There is no AT90S2313 either. But the ATmega8515 shows up as does the ATtiny2313.     Are you looking...
Tuesday, 11 December 2018 - 03:34

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