29 lines
861 B
Markdown
29 lines
861 B
Markdown
|
# Password-Printer
|
||
|
|
|
||
|
|
``printer.sh``
|
||
|
|
This script prints out a random passoword on a thermal printer upon button press.
|
||
|
|
|
||
|
|
|
||
|
|
## Device
|
||
|
|
|
||
|
|
We use a Card Start 8010 thermal printer. With the USB adaptor, you can simply send text via echo to the /dev/usb/lp1 device. It is printed if the line is full (24 characters) or when a "\r" sequence is sent.
|
||
|
|
|
||
|
|
## Commands
|
||
|
|
|
||
|
|
### Wanted Output:
|
||
|
|
+---------------------+
|
||
|
|
| Dein Passwort: |
|
||
|
|
| 0123456789 |
|
||
|
|
+---------------------+
|
||
|
|
|
||
|
|
### Test Output:
|
||
|
|
echo -e "\r\r+---------------------+\r| Dein Passwort: |\r| 0123456789 |\r+---------------------+\r\r\r" > /dev/usb/lp1
|
||
|
|
|
||
|
|
### Final command:
|
||
|
|
|
||
|
|
#!/bin/sh
|
||
|
|
|
||
|
|
echo "\r\r+----------------------+| Dein Passwort lautet || " > /dev/usb/lp1
|
||
|
|
pwgen -N1 10 > /dev/usb/lp1
|
||
|
|
echo " |+----------------------+\r\r" > /dev/usb/lp1
|