ESCPOS Server

This is a simple ESCPos Server written in NodeJS. This project use node-escpos as the printer driver. If you have any issue with the printer driver, please refer to their site.

How to use

1. Download the compiled server on the release page (Currently available on Windows, you can compile the server by yourself)
2. Install the usb adapter (Please refer to this section)
3. Open the escpos-server.exe
4. Set your port (default 3000)
5. Click Start Server button
6. Wait until the server started
7. Now you can send http post request to the server to execute node-escpos commands

Example Commands:

{
    "commands": [
        {
            "command": "text",
            "args": ["Hello World"]
        },
        {
            "command": "cut", // this command is important, because cut will flush the buffer printer
            "args": []
        },
        {
            "command": "close", // this command is important to close the printer connection
            "args": []
        }
    ],
    "options": {
        "encoding": "GB18030"
    }
}

How to install the usb adapter

• On Linux, you'll need libudev to build libusb.
• On Ubuntu/Debian: sudo apt-get install build-essential libudev-dev
• On Windows, Use Zadig to install the WinUSB driver for your USB device

How to use Zadig on windows

1. Download Zadig
2. Connect your printer
3. Open Zadig
4. Select Options -> List all devices
5. Select your printer from the dropdown list (Note: Be careful! select the right printer, because this software will replace your device driver)
6. Select WinUSB
7. Replace Driver, wait until the process finished

if you have any trouble or issue, please refer to the Zadig site

Example

you can try the example here

How to build your own server

1. Install NodeJs (I'm using version 12)
2. Install the dependencies npm install or yarn install
3. Run npm run make
4. Check the out directory, your binary files will be there

this project use ElectronJS to create the GUI