Jetson & 머신러닝

jetson nano, xavier safe shutdown button 안전 종료 버튼 만들기 (1)

아크리엑터 2023. 4. 23. 21:12
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Xavier에 버튼을 달아서, 시스템 종료를 매번  shutdown 명령어를 사용하는 것이 아닌, 버튼을 누르면 안전하게 종료하게 하려고 한다.
gpio 핀을 사용하려고 하니, 정상적으로 작동되지 않아서, 아래의 방법으로 해본다.
 

#  sudo /opt/nvidia/jetson-io/jetson-io.py

실행을 하면, 아래의 메뉴 선택하는 화면이 나온다.  첫번째는 jetson의 40핀 헤더에 대한 설정을 하는 메뉴인데, "Configure Jetson 40Pin Header" 메뉴, 이것을 선택하였다.  화면에 출력되는 내용이 좀 길게 나오니, 터미널 사이즈를 아래로 길게 만들어둬야지 깔끔하게 표시가 된다.

  =================== Jetson Expansion Header Tool ===================
 |                                                                    |
 |                                                                    |
 |                    Select one of the following:                    |
 |                                                                    |
 |                   Configure Jetson 40pin Header                    |
 |                 Configure Jetson AGX CSI Connector                 |
 |                  Configure Jetson M.2 Key E Slot                   |
 |                                Exit                                |
 |                                                                    |

 
아래에 출력된 것을 보면, 23번 핀이 unused 상태로 보인다. 23번 핀을 이용하려는데..... unused상태로 표시되어 있다.

  =================== Jetson Expansion Header Tool ===================
 |                                                                    |
 |                                                                    |
 |                      3.3V (  1) .. (  2) 5V                        |
 |                      i2c9 (  3) .. (  4) 5V                        |
 |                      i2c9 (  5) .. (  6) GND                       |
 |                    unused (  7) .. (  8) uarta                     |
 |                       GND (  9) .. ( 10) uarta                     |
 |                    unused ( 11) .. ( 12) unused                    |
 |                    unused ( 13) .. ( 14) GND                       |
 |                    unused ( 15) .. ( 16) unused                    |
 |                      3.3V ( 17) .. ( 18) unused                    |
 |                    unused ( 19) .. ( 20) GND                       |
 |                    unused ( 21) .. ( 22) NA                        |
 |                    unused ( 23) .. ( 24) unused                    |
 |                       GND ( 25) .. ( 26) unused                    |
 |                      i2c2 ( 27) .. ( 28) i2c2                      |
 |                    unused ( 29) .. ( 30) GND                       |
 |                    unused ( 31) .. ( 32) unused                    |
 |                    unused ( 33) .. ( 34) GND                       |
 |                    unused ( 35) .. ( 36) unused                    |
 |                    unused ( 37) .. ( 38) unused                    |
 |                       GND ( 39) .. ( 40) unused                    |
 |                                                                    |
 |                                                                    |
 |                        Jetson 40pin Header:                        |
 |                                                                    |
 |                 Configure for compatible hardware                  |
 |                   Configure header pins manually                   |
 |                                Back                                |
 |                                                                    |

수동으로 핀에 대한 설정하는 메뉴(Configure header pins manually)를 선택한다.  아래와 같이 출력된 화면에서 spi1을 선택(스페이스바 또는 엔터를 누르면 선택된다)한다.

  =================== Jetson Expansion Header Tool ===================
 |                                                                    |
 |                                                                    |
 |                Select desired functions (for pins):                |
 |                                                                    |
 |                [ ] can0           (29,31)                          |
 |                [ ] can1           (33,37)                          |
 |                [ ] dmic3          (16,32)                          |
 |                [ ] dmic5          (16,32)                          |
 |                [ ] extperiph4_clk (7)                              |
 |                [ ] i2s2           (12,35,38,40)                    |
 |                [ ] pwm1           (15)                             |
 |                [ ] pwm5           (18)                             |
 |                [ ] pwm8           (13)                             |
 |                [*] spi1           (19,21,23,24,26)                 |
 |                [ ] uarta-cts/rts  (11,36)                          |
 |                                                                    |
 |                                Back                                |
 |                                                                    |

Back 버튼을 누르면, 아래와 같이 기존과는 달리 설정이 변경된 것을 확인할 수 있다.  23번 핀은 spi1_sck로 표시가 되어있다. 메뉴의 Save pin changes를 선택하여, 핀 변경 내용을 저장한다.

 =================== Jetson Expansion Header Tool ===================
 |                                                                    |
 |                                                                    |
 |                      3.3V (  1) .. (  2) 5V                        |
 |                      i2c9 (  3) .. (  4) 5V                        |
 |                      i2c9 (  5) .. (  6) GND                       |
 |                    unused (  7) .. (  8) uarta                     |
 |                       GND (  9) .. ( 10) uarta                     |
 |                    unused ( 11) .. ( 12) unused                    |
 |                    unused ( 13) .. ( 14) GND                       |
 |                    unused ( 15) .. ( 16) unused                    |
 |                      3.3V ( 17) .. ( 18) unused                    |
 |                 spi1_dout ( 19) .. ( 20) GND                       |
 |                  spi1_din ( 21) .. ( 22) NA                        |
 |                  spi1_sck ( 23) .. ( 24) spi1_cs0                  |
 |                       GND ( 25) .. ( 26) spi1_cs1                  |
 |                      i2c2 ( 27) .. ( 28) i2c2                      |
 |                    unused ( 29) .. ( 30) GND                       |
 |                    unused ( 31) .. ( 32) unused                    |
 |                    unused ( 33) .. ( 34) GND                       |
 |                    unused ( 35) .. ( 36) unused                    |
 |                    unused ( 37) .. ( 38) unused                    |
 |                       GND ( 39) .. ( 40) unused                    |
 |                                                                    |
 |                                                                    |
 |                        Jetson 40pin Header:                        |
 |                                                                    |
 |                   Export as Device-Tree Overlay                    |
 |                          Save pin changes                          |
 |                        Discard pin changes                         |

 
아래에서 4번째에 있는 "Save and reboot to reconfigure pins"를 선택한다.  다른 메뉴를 선택해도 되는데, 리부팅을 해야지만 설정이 되는 것 같다.(메뉴의 설명을 보면...  )

  =================== Jetson Expansion Header Tool ===================
 |                                                                    |
 |                                                                    |
 |                    Select one of the following:                    |
 |                                                                    |
 |                  Re-configure Jetson 40pin Header                  |
 |                 Configure Jetson AGX CSI Connector                 |
 |                  Configure Jetson M.2 Key E Slot                   |
 |                Save and reboot to reconfigure pins                 |
 |                  Save and exit without rebooting                   |
 |                      Discard all pin changes                       |
 |                                Exit                                |
 |                                                                    |

 
아래 글에 연결됩니다.
https://makejarvis.tistory.com/m/148

 

jetson nano, xavier  safe shutdown button 안전 종료 버튼 만들기

jetson xavier를 메인 보드로 사용하고 있는데, 사용을 자주하지 않는 놈이라서 계속 켜두지 않고 사용할 때만 켜고 끄려고 한다. 아래에 설명하는 것은 jetson nano에서도 동일하고 라즈베리파이에서

makejarvis.tistory.com


 

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