optimize: this changes logik from commit c99e4b0f4e8dc636060fca152df271298caa8342...
[pub/USBaspLoader.git] / Changelog.txt
1 This file documents changes in the firmware of USBaspLoader.
2 New entries are always appended to the end of the file. Scroll down to the
3 bottom to see the most recent changes.
4
5
6 * Release 2008-01-21
7
8 - Use most recent driver.
9
10 * Release 2008-02-05
11
12 - Disable USB interrupt before we jump to loaded application. Applications
13 which don't use INT0 would otherwise crash when they perform sei().
14 - Revert all config changes to RESET condition before we jump to application.
15 - Code size optimizations suggested by Alexander Neumann.
16
17 * Release 2009-03-20
18
19 - Added some optimizations so that the boot loader can be used with gcc 4.3.
20 - Added fuse options (as comments) for ATMega328p to Makefile and include in
21 precompiled hex files.
22 - Updated usbconfig.h to the latest template (mostly new comments).
23
24 * Release 2010-07-27