Why do I get XCP internal error: timeout expired?

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Søren 2022-12-28

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评论： Salvatore Matteo Mennea ，2023-10-31

Hi,

I have tried to follow this example, but using a Cube Orange instead, which I set up using this guide except on Ubuntu instead of Windows.

But somewhere I messed something up. When I try to run "monitor & tune" on the board, I get the following error:

0 of 1 models built (1 models already up to date)
Build duration: 0h 1m 15.535s
action: EXT_INIT
Creating Target Handler (XCP on Serial)...
Build directory: /home/soren/heavy_duty/matlab/untitled_ert_rtw
Serial Port Name: /dev/ttyUSB0
Baud Rate: 57600
action: EXT_CONNECT
Connecting to the target...
External Mode Open Protocol Connect command failed
Caused by:
Could not connect to target application: XCP internal error: timeout expired, in response to XCP CONNECT command 

I have determined it seems like the problem is with the communication between Cube Orange using Telem 1 on the Pixhawk (where I have the FTDI serial converter in). I have tried using different baud rates but can't determine what exactly is the problem with the connection.

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Søren 2023-8-11

Unfortunately I never managed to solve it. I had other task to do, didn't spend a lot more time on the issue

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回答（1 个）

Arun Mathamkode 2023-1-2

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编辑：Arun Mathamkode 2023-1-3

TELEM1 serial port are fundamentally designed for MAVLink communication and by default MAVLink is enabled in this port. You can consider trying to connect using GPS2 port (/dev/ttyS5). Makesure that parameters GPS_1_CONFIG or GPS_2_CONFIG is not set to enable GPS2 as a GPS port.