
기본 프로젝트:
[root@host14 rules.d]# avrdude -c USBASP -p m328p
avrdude: warning: cannot set sck period. please check for usbasp firmware update.
avrdude: error: programm enable: target doesn't answer. 1
avrdude: initialization failed, rc=-1
Double check connections and try again, or use -F to override
this check.
avrdude done. Thank you.
루트가 아닌 사용자는 다음을 수행하지 않습니다.
[user0@host14 ~]$ avrdude -c USBASP -p m328p
avrdude: Warning: cannot open USB device: Permission denied
avrdude: error: could not find USB device "USBasp" with vid=0x16c0 pid=0x5dc
avrdude done. Thank you.
다음과 같이 규칙이 추가되었습니다 /etc/udev/rules.d/21-usbasp.rules
.
SUBSYSTEMS=="usb", ATTRS{idVendor}=="16c0", ATTRS{idProduct}=="05dc", GROUP="users", MODE="0666"
내가 뭘 잘못했나요?