Posts tagged raspberrypi

rs232: vim not working over serial connection
posted on 2015-12-27 19:08:50

After having dd'd a fbsd image onto a micro sd card, attaching a monitor to the pi's hdmi port I could see... nothing. (On a sidenote: Go to the raspbsd site [here])http://raspbsd.org/) for a proper bsd image that works in a rbpi 2 B, none of the official images work. These are done by fbsd committer brd@)

Then some googling followed, discerning wether the hdmi-dvi adapter, the dvi-vga adapter or the kvm switch were responsible for that.

Result was, the HDMI port needs to be enabled. But by compiling the option into your OS image. (Ok, lets just skip that then...)

Since accessing the freebsd installation directly from the sd card was not a feasible solution, I hooked a UART / RS232 to USB adapter onto the rbpi pins. When wanting to edit the needed config files via vi, I could not see anything from the editor window.

Problem was, the TERM environment variable needs to be set properly.

Instead of TERM=dialup or something, set it to vt100.

In bash:

export TERM=vt100

In csh:

setenv TERM vt100

Mailing lists do help, but you need to read properly... found this answer here.

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