sejf-ng/notes.md

1.2 KiB

Fails:

  • r1 was supposed to be a pullup
  • programming/icsp header is broken

Prog

  • avrdude -c avrisp -b 19200 -p m328p -P /dev/ttyUSB5 -vvv

// * avrdude -pm328pb -cstk500v1 -P/dev/ttyUSB5 -b19200 -e -Uefuse:w:0xf5:m -Uhfuse:w:0xDE:m -Ulfuse:w:0xFF:m

  • avrdude -pm328pb -cstk500v1 -P/dev/ttyUSB5 -b19200 -C avrdude.conf -e -Uhfuse:w:0xDE:m -Ulfuse:w:0xFF:m

  • avrdude -pm328pb -cstk500v1 -P/dev/ttyUSB5 -b19200 -Uflash:w:/home/informatic/.arduino15/packages/arduino/hardware/avr/1.6.8/bootloaders/optiboot/optiboot_atmega328.hex:i -Ulock:w:0x0F:m

  • avrdude -pm328p -cstk500v1 -P/dev/ttyUSB5 -b19200 -Uflash:w:optiboot/optiboot/bootloaders/optiboot/optiboot_atmega328.hex:i -Ulock:w:0x0F:m

Full flash (no questions asked)

sudo nix-shell -p avrdude --run 'avrdude -pm328pb -c usbasp -C avrdude.conf -e -Uefuse:w:0xf5:m -Uhfuse:w:0xDE:m -Ulfuse:w:0xFF:m -Uflash:w:optiboot/optiboot/bootloaders/optiboot/optiboot_atmega328.hex:i -Ulock:w:0xCF:m'
 sudo nix-shell -p avrdude --run 'avrdude -pm328p -c usbasp -C avrdude.conf -e -Uefuse:w:0xfD:m -Uhfuse:w:0xDE:m -Ulfuse:w:0xFF:m -Uflash:w:optiboot/optiboot/bootloaders/optiboot/optiboot_atmega328.hex:i -Ulock:w:0xCF:m'