honeywell-config/README.md

# Honeywell Barcode Reader Config Tool

## What?

A Linux tool for configuring Honeywell barcode scanners via USB.

## Why?

I had obtained a used Honeywell Hyperion 1300G scanner, however it was locked down and secured with a password, and the password was unknown.
There is a Windows-only configuration tool from Honeywell called "EZconfig" with which the barcode scanners can be configured via USB, even when locked down.
To not rely on a Windows VM for configuring the scanner, I sniffed the USB traffic using Wireshark and extracted the relevant messages, and wrapped them in this tool.

## Usage

First of all, compile the program using `make`.  It depends only on `libusb-1.0`.

The configuration strings need to be provided as command line arguments.  You can provide multiple:

```
./honeywell-config <string1> [... <stringN>]
```

In general, please refer to your scanner's manual for configuration strings.

Here are some examples.  Please not that this tool most likely needs to run as root.

### Factory Reset

```
./honeywell-config DEFOVR. DEFALT.
```

### Switch Operation Mode

USBHID:

```
./honeywell-config PAP131.
```

Keyboard:

```
./honeywell-config PAP124.
```

### Add Prefix to Output

The following adds the string `FCKAFD ` (ASCII hex `46 43 4B 41 46 44 20`) in front of every scanned barcode:

```
./honeywell-config PREBK246434B41464420.
```

Note how this behaves differently from if you were to configure the scanner in-band via scanning config barcodes.
There you would scan a lot of individual codes from the manual:

1. `PREBK2.`
1. `K4K.`
1. `K6K.`
1. ...
1. `K2K.`
1. `K0K.`
1. `MNUSAV.`

On the USB config interface, all of that goes into a single string instead.

## Adapting for Other Scanners

The tool currently has hardcoded USB vendor/product IDs for a Honeywell Hyperion 1300G in Keyboard or USBHID modes.
If you have a different Honeywell scanner, and the tool doesn't find it, you can try making this tool work for it:
1. Obtain the USB vendor and product IDs for your scanner, e.g. through `lsusb`.
1. Replace the VID/PID in the following line of code in `honeywell-config.c`:

    ```c
    libusb_device_handle *devh = libusb_open_device_with_vid_pid(ctx, 0x0c2e, 0x0b07);
    ```
1. Recompile the tool with `make clean; make`

## License

MIT License