Post Created date
Does SPI output need to be buffered?
The IRQ you want to receive is a "chipselect went active" one. From there, branch to the handler which loops doing PIO to read bytes from the host, and write others back. It can...
Friday, 24 August 2007 - 08:06
AT90USBKEY header adapters
You know, I just happened across the fact that the USB-IF is trying to phase in new "Micro-USB" connectors to replace the Mini- ones on the at90USBkey ... specs don't seem to be...
Friday, 24 August 2007 - 08:02
building avr32linux toolchian
That "error writing" message seems safe to ignore. If you have a ".config" file, it wrote it. You might want to go and "make menuconfig" to add/remove stuff ... and maybe tell...
Friday, 24 August 2007 - 07:49
building avr32linux toolchian
GCC 4.0.2? Ancient! Instead, try the latest buildroot ...
Friday, 24 August 2007 - 06:52
Mosfet Switching Woes
The part wasn't from Fairchild, but the vendor's graphs showing Rds against current (at various voltages) do indeed tell a sad story, especially at lower voltages. Sigh. Thanks...
Sunday, 19 August 2007 - 07:25
Buildroot for AVR32 beta released
I can report at least partial success -- it built for me! Which is more than I can say for Ulf's version. Thanks, this means I can use x86_64/Ubuntu for Real Work now. Next, I'...
Sunday, 19 August 2007 - 00:17
Buildroot for AVR32 beta released
Have all the changes been put back to the public buildroot tree? If not, when will they be?
Saturday, 18 August 2007 - 01:45
NGW GPIO changes as of 2.6.22
For buttons/switches, try drivers/input/keyboard/gpio_keys.c ... you'll get standard input devices.
Saturday, 18 August 2007 - 01:29
Mosfet Switching Woes
Related question, from a software guy who's "Art of Electronics" lab course was quite a few years back ... I have to switch up to about 70 mA at 3.3V with an AVR32 GPIO, which is...
Saturday, 18 August 2007 - 01:20
Cables for AVR Dragon?
DigiKey part number for those 6-pin ISP headers is 609-2841-ND ... same spec as the Mouser part. And half the price, at Q25! FYI. :)
Wednesday, 15 August 2007 - 16:34
Cables for AVR Dragon?
What I did was solder a little hookup using male headers and a bit of one-sided protoboard. A double header, for use with IDC cables (erm, made my own 6-wire and 10-wire ones,...
Wednesday, 15 August 2007 - 05:32
GCLK at 25 MHz using NGW PLL1 ...
how: Mostly seemed to behave, though I've not yet checked the GCLK output pin. Attached see a patch I needed.
Tuesday, 14 August 2007 - 20:38