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There are several ways to access the target SECO Northern Europe System from a host system, including:
Serial console: console access via RS-232
SSH: encrypted console access and file transfer over Ethernet
SFTP: file upload and download over Ethernet
Each of the following chapters describes one of these possibilities and, where applicable, gives a short example of how to use it. For all examples, the SECO Northern Europe target system is assumed to have the IP address 192.168.1.1.
Serial console
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The easiest way to access the target is via the serial console. In order to connect to the serial console, the following method is recommended:
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To use the RS232 connection, connect the first RS232 port of your target system using to a COM port of your PC or a USB-to-RS232 converter using a null modem cable.
For a working connection, the signals TXD and RXD have to be connected cross-over in the same way like a null modem cable does. The location of the RS232 connector and the necessary pins can be found in the hardware manual corresponding to your device. If you received your system as RS-232 cable will be a part of a starter kit, it should also contain a cable to be used for this connectionthe starter kit which you would have received along with the device..
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Example: Location of the RS232 connector on a 7" device (upper) and on a 5" device (lower)
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Garz & Fricke Yocto BSP (based on Poky) @VERSION@ santaro /dev/ttymxc0 santaro login: |
You can log in as user root without any password by default.
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root@santaro:~# exit |
You can use secure copy (scp) on the device or the host system to copy files from or to the device.
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To copy the file myapp from the host’s current working directory to the target’s /usr/bin directory, type on the host’s console:
To copy the target’s /usr/bin/myapp file back to the host’s current working directory, type:
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You can exchange files between the host system and the target system using an SFTP (Secure FTP) client on
the host system. Simply choose your favorite SFTP client (e.g. FileZilla) and connect to sftp://192.168.1.1 with user root and no password.