The LUFA project contains the TeensyHID bootloader that can be used as a replacement of the original HalfKay bootloader preloaded on the Teensy boards. It can be useful if like me you have completely erased the original flash with an external programmer. Because the HalfKay bootloader is proprietary code and is protected by lock bits, [...]
Entries Tagged as 'avrispmkii'
Installing the LUFA TeensyHID bootloader
January 5th, 2010 · 46 Comments · Uncategorized
Tags:at90usb162·avr·avrispmkii·LUFA·Teensy
Blinking the leds
September 29th, 2009 · No Comments · Project Wiggum
My prototyping of the Wiggum project will begin with the usual blinking leds demo. This will help to establish a simple basis for hardware and software by slowly adding features layer after layer. Building a basic circuit My target is an ATMEGA168. Here is the datasheet. I will use an USB port as the 5V [...]
Tags:atmega168·avr·avrispmkii
Speeding up AVRISPMKII transfers
April 15th, 2009 · No Comments · Uncategorized
Last fall I got an AVRISPMKII to program some ATMEGA168 chips. The programming speed seemed OK back then. But my programs have been steadily growing up in size and soon I had to painfully watch a 4 min progress bar to program only 16kBytes of Flash! The solution: http://www.mail-archive.com/avr-chat@nongnu.org/msg01037.html http://wiki.dataflow.ws/Electronix/AvrIsp2OnOSX It appears the transfer clock [...]
Tags:avr·avrispmkii
