v1.9.0 #175
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README.md
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README.md
@ -576,11 +576,30 @@ Note: When now setting up a debug session in the Xilinx SDK or Eclipse, the host
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to localhost instead of the IP address of the Q7S.
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to localhost instead of the IP address of the Q7S.
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# <a id="tmtc-testing"></a> TMTC testing
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# <a id="tmtc-testing"></a> TMTC testing
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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:
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The OBSW supports sending PUS TM packets via TCP or the PDEC IP Core which transmits the data as
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````
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CADU frames. To make the CADU frames receivabel by the
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[TMTC porgram](https://egit.irs.uni-stuttgart.de/eive/eive-tmtc), a python script is running as
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`systemd` service named `tmtc_bridge` on the flatsat PC which forwards TCP commands to the TCP
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server of the OBC and reads CADU frames from a serial interface. The PUS packets transported with
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the CADU frames are extracted
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and forwared to the TMTC program's TCP client. The code of the TMTC bridge can be found
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[here](https://egit.irs.uni-stuttgart.de/eive/tmtc-bridge). To connect the TMTC program to the
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TMTC-bridge a port forwarding from a host must be set up with the following command:
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```sh
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ssh -L 1537:127.0.0.1:7100 eive@2001:7c0:2018:1099:babe:0:e1fe:f1a5 -t bash
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ssh -L 1537:127.0.0.1:7100 eive@2001:7c0:2018:1099:babe:0:e1fe:f1a5 -t bash
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````
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```
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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.
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You can print the output of the `systemd` with
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```sh
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journalctl -u tmtc_bridge
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```
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This can be helpful to determine whether any TCs arrive or TMs are coming back.
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Note: The encoding of the TM packets and conversion of CADU frames takes some time.
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Thus the replies are received with a larger delay compared to a direct TCP connection.
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# <a id="direct-debugging"></a> Direct Debugging
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# <a id="direct-debugging"></a> Direct Debugging
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