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72 lines
2.7 KiB
Markdown
72 lines
2.7 KiB
Markdown
# JLink Debug Probe
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The [J-Link debug probe][jlink] is a closed-source, commercial hardware probe which supports almost all ARM Cortex-M devices.
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You need to install the [J-Link drivers][drivers] for this probe to work:
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```sh
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# Ubuntu
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wget --post-data "accept_license_agreement=accepted" https://www.segger.com/downloads/jlink/JLink_Linux_x86_64.deb
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sudo dpkg -i JLink_Linux_x86_64.deb
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# macOS
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brew install segger-jlink
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```
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설치가 완료되면, 다음을 사용하여 서버를 시작합니다.
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```sh
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JLinkGDBServer -if swd -device STM32F765II
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```
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그런 다음, 권장되는 JLink를 업데이트하고, 통신 중인 장치를 지정하라는 메시지가 표시될 수 있습니다.
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특정 장치에 대한 자동조종장치의 문서를 확인하십시오.
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Once that's done, the GDB server should be start listening on port `2331`, e.g. like so:
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```sh
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Checking target voltage...
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Target voltage: 3.28 V
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Listening on TCP/IP port 2331
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Connecting to target...
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Connected to target
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Waiting for GDB connection...
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```
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이제 자동조종장치(별도의 터미널에서)에서 현재 플래시된 정확한 elf 파일로 GDB를 시작할 수 있습니다.
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```sh
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arm-none-eabi-gdb build/px4_fmu-v5_default/px4_fmu-v5_default.elf -ex "target extended-remote :2331"
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```
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이제 연결되어야 합니다.
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To use an IDE instead, see the instructions for [Eclipse](../debug/eclipse_jlink.md) or [VSCode](../dev_setup/vscode.md#hardware-debugging).
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See the [Embedded Debug Tools][emdbg] for more advanced debug options.
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<a id="segger_jlink_edu_mini"></a>
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### Segger JLink EDU Mini Debug Probe
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The [Segger JLink EDU Mini](https://www.segger.com/products/debug-probes/j-link/models/j-link-edu-mini/) is an inexpensive and popular SWD debug probe.
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The probe's connector pinout looks like the image below (connect to this using an ARM 10-pin mini connector like [FTSH-105-01-F-DV-K](https://www.digikey.com/en/products/detail/samtec-inc/FTSH-105-01-F-DV-K/2649974)).
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The pin mapping to connect the J-Link Edu Mini to [Pixhawk Debug Mini](swd_debug.md#pixhawk-debug-mini) is shown below.
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| 핀 | 신호 | JLink |
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| -: | :--------- | ----: |
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| 1 | **VREF** | 1 |
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| 2 | 콘솔 TX | |
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| 3 | 콘솔 RX | |
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| 4 | **SWDIO** | 2 |
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| 5 | **SWDCLK** | 4 |
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| 6 | **GND** | 3, 5 |
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Note that none of the JLink debug probes have a built in serial connection, so you need to connect the console separately.
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<!-- Image of SWD cable and connector to debug port - proposed? -->
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[jlink]: https://www.segger.com/products/debug-probes/j-link/
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[drivers]: https://www.segger.com/downloads/jlink/
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[emdbg]: https://pypi.org/project/emdbg/
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