changelog.txt

使用avr软件模拟usb

This file documents changes in the firmware-only CDC driver for atmel's AVR
microcontrollers. New entries are always appended to the end of the file.
Scroll down to the bottom to see the most recent changes.

* Release 2006-06-28

  - Polling instead of using interrupt at UART processing (ATmega).
  - Adapted to higher baud rate setting (ATmega).
  - Reduced interrupt cycles in software UART (ATtiny).
  - Removed zero-sized receive block in usbFunctionWriteOut().

* Release 2006-07-18