### DFU Bootloader for 32U2 ###
#
#> avrdude -patmega32u2 -Pusb -cavrisp2 -Uflash:w:BootloaderDFU.hex:a -Ulfuse:w:0xdf:m -Uhfuse:w:0xd9:m -Uefuse:w:0xf0:m
#
#  Outcome: alternating Tx/Rx LED
#

### U2duino (USBSerial + RTS/DTS) ###
#
#> avrdude -patmega32u2 -Pusb -cavrisp2 -Uflash:w:U2duino.hex:a -D -Ulock:w:0xf:m
#
#  Outcome: USB cdc_acm enumeration. Tx/Rx LED flicker and extinguish on enumeration.
#




### stk500v2 Bootloader for 1284P at 20MHz ###
#
#> avrdude	-pm1284p -Pusb -cavrisp2 -u -Uflash:w:stk500boot_v2_goldilocks.hex:a -Ulfuse:w:0xd7:m -Uhfuse:w:0xd8:m -Uefuse:w:0xfc:m -Ulock:w:0xf:m
#
#    OR
#    
### stk500v2 Bootloader for 1284P at 22.1184MHz ###
#
#> avrdude	-p m1284p -Pusb -cavrisp2 -u -Uflash:w:stk500boot_v2_goldilocks_22.hex:a -Ulfuse:w:0xd7:m -Uhfuse:w:0xd8:m -Uefuse:w:0xfc:m -Ulock:w:0xf:m 
#
#
#Outcome: D13 LED 3 blink cycles.
#         "!!!" entered on 38400 baud serial terminal enters "Bootloader>" prompt.
#
