eive/eive-obsw
eive/eive-obsw
12
3
Fork 0
Code Issues 3 Pull Requests 1 Releases 119 Wiki Activity

more information about systemd service
All checks were successful
EIVE/eive-obsw/pipeline/head This commit looks good
Details

Browse Source
This commit is contained in:
Robin Müller 2021-10-11 11:06:12 +02:00
parent 271d133053
commit 10f2a7a7b7
No known key found for this signature in database
GPG Key ID: 71B58F8A3CDFA9AC
1 changed files with 23 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
README.md
View File

@ -576,11 +576,30 @@ Note: When now setting up a debug session in the Xilinx SDK or Eclipse, the host
to localhost instead of the IP address of the Q7S.
# <a id="tmtc-testing"></a> TMTC testing
The OBSW supports sending PUS TM packets via TCP or the PDEC IP Core which transmits the data as CADU frames. To make the CADU frames receivabel by the [TMTC porgram](https://egit.irs.uni-stuttgart.de/eive/eive-tmtc), a python script is running as systemd service on the flatsat PC which forwards TCP commands to the TCP server of the OBC and reads CADU frames from a serial interface. The PUS packets transported with the CADU frames are extracted and forwared to the TMTC program's TCP client. The code of the TMTC bridge can be found [here](https://egit.irs.uni-stuttgart.de/eive/tmtc-bridge). To connect the TMTC program to the TMTC-bridge a port forwarding from a host must be set up with the following command:
````
The OBSW supports sending PUS TM packets via TCP or the PDEC IP Core which transmits the data as
CADU frames. To make the CADU frames receivabel by the
[TMTC porgram](https://egit.irs.uni-stuttgart.de/eive/eive-tmtc), a python script is running as
`systemd` service named `tmtc_bridge` on the flatsat PC which forwards TCP commands to the TCP
server of the OBC and reads CADU frames from a serial interface. The PUS packets transported with
the CADU frames are extracted
and forwared to the TMTC program's TCP client. The code of the TMTC bridge can be found
[here](https://egit.irs.uni-stuttgart.de/eive/tmtc-bridge). To connect the TMTC program to the
TMTC-bridge a port forwarding from a host must be set up with the following command:
```sh
ssh -L 1537:127.0.0.1:7100 eive@2001:7c0:2018:1099:babe:0:e1fe:f1a5 -t bash
````
Note: The encoding of the TM packets and conversion of CADU frames takes some time. Thus the replies are received with a larger delay compared to a direct TCP connection.
```
You can print the output of the `systemd` with
```sh
journalctl -u tmtc_bridge
```
This can be helpful to determine whether any TCs arrive or TMs are coming back.
Note: The encoding of the TM packets and conversion of CADU frames takes some time.
Thus the replies are received with a larger delay compared to a direct TCP connection.
# <a id="direct-debugging"></a> Direct Debugging