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Optiboot reset flag
dkinzer wrote:   Scarletpimpernal wrote: I guess I can go without a bootloader and get access to the watchdog reset flags.     It is possible to use a bootloader *...
Tuesday, 28 October 2014 - 20:35
USART without reciever
I think I was going to use interrupts for USART at some point.  Again, epressing ignorance, is there an issue with doing that if I have an application where time critical...
Tuesday, 28 October 2014 - 20:31
USART without reciever
christop wrote: Most if not all of the Arduinos have their reset tied to either the DTR or RTS signal of the serial port, and opening the serial port on the computer plays with...
Tuesday, 28 October 2014 - 03:02
Optiboot reset flag
Thank you dkinzer,  I did not grok the optiboot code.   Now that I have an USBAsp I guess I can go without a bootloader and get access to the watchdog reset flags. I...
Tuesday, 28 October 2014 - 02:58
Nano bootloader + watchdog reset + Parallel port programmer hell
Thank you!  Of course this is the answer. It would be great in its own sticky, but there are already sooooooo many of them .   The race from china is on, USBAsp VS new...
Tuesday, 16 September 2014 - 23:14
Nano bootloader + watchdog reset + Parallel port programmer hell
Thanks Clawson Sad but probably true 8( (I am in Christchurch, New Zealand)  So nothing immediatly obvious that I am doing wrong?
Tuesday, 16 September 2014 - 10:18
math.h accos and linker error
Thanks Clawson, I think this has done the trick. For the reference of others, (some of) my Makefile now looks like: CFLAGS = -c -g -Os -Wall -w -ffunction-sections -fdata-...
Monday, 3 March 2014 - 01:27
Corruption of fixed char strings in USART output
Thank you all for your advice! some reason the whole project is failing periodically in weird ways... oh dear. So learning about PROGMEM (and onboard EEPROM) ironically I re-...
Monday, 3 March 2014 - 01:14
Corruption of fixed char strings in USART output
It is on arduino Nano which I think uses external 16MHz crystal oscillator.
Saturday, 1 March 2014 - 06:48
Oh no not again, Butterfly input problems
I did search first (of course) but didnt find anything. I abandoned port D and used the USI and ISP instead. If anyone does know how to use Port D AND 3 segments of the LCD it...
Sunday, 16 October 2011 - 09:10
Oh no not again, Butterfly input problems
Thanks Clawson. According to Joe: Quote:So, as a rule of thumb, either use the LCD or Port D, but not both. You might write special code to use on the leftmost several LCD...
Friday, 7 October 2011 - 20:33
N0o0B going mad on butterfly joystick PORTE
[SOLVED] I should have done this first 8) After looking at the bf_gcc port of the Atmel Butterfly application, and Buttons_Init in buttons.c, and including this (With compat/...
Wednesday, 14 September 2011 - 23:16

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