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mirror of https://github.com/arduino/Arduino.git synced 2024-12-02 13:24:12 +01:00
Arduino/hardware/arduino/bootloaders
Zach Eveland 4c3aa52258 Leonardo now checks whether bootloader should be run after a WDT event.
Before the sketch initiates an auto-reset for upload it pokes a magic word into a specific RAM address.  On starting the bootloader checks this address.  If it finds the magic word it knows the bootloader code should run. If not it jumps straight back to sketch.

Test in a sketch by adding to setup():
wdt_enable(WDTO_2S);

Sketch should upload, start, run for two seconds, WDT, and sketch should restart (not bootloader).

Had to cut out unused descriptor code to make the bootloader still fit in 4k.
2012-02-14 12:17:30 -05:00
..
atmega Moving things around. 2009-11-07 17:05:21 +00:00
atmega8 Moving things around. 2009-11-07 17:05:21 +00:00
bt Adding ATmega328 version of the Arduino BT bootloader, along with a Makefile for building it. 2010-08-07 19:48:59 +00:00
caterina made Leonardo and Micro bootloader PIDs same as sketch PIDs 2012-01-10 21:23:01 -05:00
caterina_LUFA Leonardo now checks whether bootloader should be run after a WDT event. 2012-02-14 12:17:30 -05:00
lilypad Moving things around. 2009-11-07 17:05:21 +00:00
optiboot Correcting Arduino Mini w/ ATmega328 bootloader file and fuses (untested). 2011-11-25 19:26:01 -06:00
stk500v2 Revert "Merge branch 'master' of github.com:arduino/Arduino into diskloader_reboot" 2011-10-27 11:45:13 -04:00