Post Created date
Driverless USB communication
Hi, Thanks for the reply! Yes, custom PC application would be possible. I had considered using those 3 bits, but I was under the impression that there was no way to route the...
Friday, 20 December 2013 - 18:39
Programmer for ATmega32M1
Thanks for this post! Been chasing my tail here for a while, until I read here that the programmer for the atmega32M1 and atmega16M1 uses SPI_A. Silly me thinking I could just...
Friday, 13 September 2013 - 21:05
avr109 bootloader fails half way with avrdude
Hey, look what I found :D Quote:bug #38952: AVR109 (butterfly) auto-increment functionnality is ignored https://savannah.nongnu.org/bugs/?38952 --Karl
Monday, 29 July 2013 - 00:19
avr109 bootloader fails half way with avrdude
Quote:I would have changed the bootloader instead of avrdude ! Yeh, that would make sense wouldn't it... :lol: Actually, I have a whole bunch of these boards with qfp mega 32's...
Sunday, 28 July 2013 - 20:35
avr109 bootloader fails half way with avrdude
Well, I just had to know. In case somebody is curious, I got the avr109 bootloader going by making some changes in avrdude. In butterfly.c, the function butterfly_paged_write was...
Sunday, 28 July 2013 - 01:44
avr109 bootloader fails half way with avrdude
Got stk500v2 bootloader working. So basically probem worked-around. I'm still a little mystified as the avr109 bootloader was reproted working in this thread: https://www....
Friday, 26 July 2013 - 16:44
avr109 bootloader fails half way with avrdude
Quote:Bootloaders tend to implement a castrated version of any particular protocol. I'm seeing that in my reading. No sense in adding anything you don't need, so bootloaders are...
Thursday, 25 July 2013 - 16:29
avr109 bootloader fails half way with avrdude
I'll upload the hex file here soon, I'm not seeing an attach, bit I may be blind. Keep im mind that it does load and function using Avrprog.exe, but not avrdude, so I suspect it...
Wednesday, 24 July 2013 - 23:47
avr109 bootloader fails half way with avrdude
More clues: I tried a much smaller program (1260 bytes) and avrdude avr109 programs the flash all the way, then programs the eemem ok too. The flash is wrong though, doesn't...
Wednesday, 24 July 2013 - 05:11
avr109 bootloader fails half way with avrdude
Thanks for the quick reply. I double checked the fuse bits, and they are correct for bootloader reset and 1024 size.
Wednesday, 24 July 2013 - 04:03
Capacitor Needed on USART RX?
Hello, I know this is an old thread, but I had a similar problem with atxmega68D4's: Something transmitted on USART D would show up in USART E's receive buffer I thought I had...
Wednesday, 13 February 2013 - 19:20
Xmega AVRDUDE fuse write errors [BOD problem, solved]
Thank you for this post! I did manage to unbrick the PCB by running it at 3.7v for a short period to re-program 0xFF to fuse5. Now to find the correct settings..... --Karl
Saturday, 1 December 2012 - 18:14

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