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docs: debugging: Use console_external command

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This commit is contained in:
Tim Crawford
2020-06-18 07:28:53 -06:00
committed by Jeremy Soller
parent 7c125e8ee0
commit 3c8e511018
1 changed files with 7 additions and 11 deletions
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doc/debugging.md
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@ -46,24 +46,20 @@ make BOARD=arduino/mega2560 flash
- May require removing keyboard depending on port location - May require removing keyboard depending on port location
5. Connect Mega 2560 to host 5. Connect Mega 2560 to host
- This will create an ACM device at `/dev/ttyACM*` - This will create an ACM device at `/dev/ttyACM*`
6. Connect to ACM device from host 6. Ground target to host
```
sudo tio -b 1000000 -m INLCRNL /dev/ttyACM0
```
7. Set Mega to peripheral mode
```
echo 'C' > /dev/ttyACM0
```
8. Ground target to host
- Connect USB cable from USB-C port on target to host - Connect USB cable from USB-C port on target to host
9. Connect Mega 2560 to target 7. Connect Mega 2560 to target
8. Start the console
```
make BOARD=system76/<model> console_external
```
EC logs should now print to the console on the host. This can be tested EC logs should now print to the console on the host. This can be tested
by removing or inserting the AC adapter to trigger a power event. by removing or inserting the AC adapter to trigger a power event.
To return the Mega to host mode, reset the device. To return the Mega to host mode, reset the device.
If logs are corrupted, try power cycling the Mega. If logs are corrupted, try power cycling the Mega or reseating the cable.
## I2C connection ## I2C connection