collapseos/tools/README.md

29 lines
1.1 KiB
Markdown
Raw Normal View History

# Tools
This folder contains tools to communicate to Collapse OS machines from a modern
environment or to manipulate a blkfs.
Communication tools all take a device path as a first argument. That device is
the serial device that connects you to your machine. It's often a USB-to-TTL
dongle. When `-` is specified, `stdin` is used as the device.
Note that for these tools to work well, you need the serial device to be
properly set up, TTY-wise. You'll probably want to do that with `stty`. The tool
itself takes care of setting the regular stuff (`cs8`, `-parenb`, etc), but you
need to set the speed. Here's an example working on OpenBSD:
$ ( stty 115200 raw ; ./upload - a000 os.bin ) <>/dev/cuaU0
To be honest, I'm having a bit of troubles making these tools work as well on
OpenBSD as they do in Linux. But it *does* work. Here are some advices:
* Use `cuaXX` instead of `ttyXX`.
* Run `cu -l /dev/cuaXX` before running your tool and run a dummy command to
make sure that the output buffer is flushed.
On Linux, it's generally easier:
* Run screen on the device (often `/dev/ttyUSBX`)
* Quit with `CTRL+A :quit`
* Run the tool on the same device