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quickscan's Introduction

Quickscan

quickscan is a collection of services to add one-button scan operation to my scanner (Fujitsu S1500M).

The scanner itself has a button on it, that may work with SANE button daemons like scanbd, scanbuttond, or others. But they involve odd SANE configurations to handle polling the button, and separate configs for performing the scan.

Instead, I went the crazy route of adding a button to a Raspberry Pi, and having the Pi trigger the scan function.

program block diagram

sccontrol

sccontrol is the main menu/button daemon. I have connected one of the various cheap OLED I2C displays to the pi, and have status information printed via the excellent luma.oled library. This runs on the Pi in order to use I2C to communicate with the display, and GPIO buttons.

scingest

scingest is the kick-off logic for performing a SANE scan. This may run on the same host as sccontrol, but for performance reasons I run this on a quicker machine. This is a python script that awaits commands from sccontrol, triggers scans via python-sane, saves the returned images, and forwards any SANE output to sccontrol to display.

The third piece to all this is a running SANE server for scingest to talk to. Can be completely standard setup for that.

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