Hi All,
I have experience of MCU programming with M16 and PICs and now swithing to
AVRs, I decided to use avrdude and usbasp, I am trying to program ATmega8U2,
but as this is not supported by avrdude, I have to change its configuration
file, I refered the help file on doing this from avrdude and I refered other
device configurations on the config file, I saw that the there is much more
info required than actually provided in the official help file of avrdude,
there is no explanation about many things that are actually used in Atmega8
configuration which I have decided to use as reference..... here are some
excerpt from the ATmega8 config,
( for FLASH memory)
mode = 0x21;
delay = 6;
blocksize = 64;
readsize = 256;
and some other things ........
timeout = 200;
stabdelay = 100;
cmdexedelay = 25;
synchloops = 32;
bytedelay = 0;
pollindex = 3;
pollvalue = 0x53;
predelay = 1;
postdelay = 1;
pollmethod = 0;
pp_controlstack =
0x0E, 0x1E, 0x0F, 0x1F, 0x2E, 0x3E, 0x2F, 0x3F,
0x4E, 0x5E, 0x4F, 0x5F, 0x6E, 0x7E, 0x6F, 0x7F,
0x66, 0x76, 0x67, 0x77, 0x6A, 0x7A, 0x6B, 0x7B,
0xBE, 0xFD, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00;
hventerstabdelay = 100;
progmodedelay = 0;
latchcycles = 5;
togglevtg = 1;
poweroffdelay = 15;
resetdelayms = 2;
resetdelayus = 0;
hvleavestabdelay = 15;
resetdelay = 15;
can any one expalin to me what are these ? and why it is not explained in
avrdude configuration file template ?
I will be very gratefull for any help. Please reply ASAP so that I can move on
with AVR programming.
Thanks,
Chris _______________________________________________
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