From 6e9c41a892ed0e0da326e0278b3221ce3f5713b8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Mon, 6 Oct 2014 14:00:40 +0200 Subject: Initial import of sane-backends version 1.0.24-1.2 --- doc/sceptre/s1200.txt | 109 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 109 insertions(+) create mode 100644 doc/sceptre/s1200.txt (limited to 'doc/sceptre') diff --git a/doc/sceptre/s1200.txt b/doc/sceptre/s1200.txt new file mode 100644 index 0000000..ade81db --- /dev/null +++ b/doc/sceptre/s1200.txt @@ -0,0 +1,109 @@ +Scanner overview +- One pass scanner +- 10 DPI minimum. Max X=600 dpi, max Y=1200 dpi. +- A4 size + +/*--------------------------------------------------------------------------*/ + +Components: +- Weltrend WT8616 +- TEMIC TSC 80C31 (CMOS 0 to 44 MHz Single-Chip 8 Bit Microcontroller) + +/*--------------------------------------------------------------------------*/ + +SCSI overview +- the SCSI implementation in this scanner is non-standard but simple. +- there is no REQUEST SENSE command. +- since there is no sense, it is impossible to know if a command has succeeded. + +/*--------------------------------------------------------------------------*/ + +SCSI commands: + +TEST UNIT READY +00 00 00 00 01 00 + Returns 1 byte of data: + 00 = scanner ready + ff = scanner not ready + +Vendor Spec +02 00 00 00 04 00 + Get 4 bytes of status. Used to check the button. + Default result when the button is not pressed + 06 00 00 00 + +INQUIRY + result: + 06 00 02 02 30 00 00 10 4b 49 4e 50 4f 20 20 20 ....0...KINPO + 56 69 76 69 64 73 63 61 6e 20 53 31 32 30 20 20 Vividscan S120 + 53 31 33 20 20 20 20 20 02 01 00 00 4a 45 46 46 S13 ....JEFF + ... + +MODE SEL +15 10 00 00 18 00 + +SCAN +1B 00 00 00 00 00 + +RECEIVE DIAG +1C 00 00 00 03 00 + +SEND DIAG +1D 00 80 00 00 00 + +SET WINDOW +24 00 00 00 00 00 00 00 52 00 + The window size is always 0x52 bytes. The parameters look standard: + - X/Y resolution | + - Upper left X,Y |- all three coded in 600 dpi units + - Width, Length | + + The supported scan modes are: + - lineart image comp=0, halftone=0, depth=1 + - halftone image comp=0, haltone=1 to 4, depth=1 + - grayscale image comp=2, halftone=0, depth=8 + - color image comp=5, halftone=0, depth=24 + + Y resolution is not used (X is also used for Y) + X resolution is limited to 600 (if above, scanner defaults to 600) + Y resolution is limited to 1200 (if above, scanner defaults to 1200) + Image composition is byte 33, halftone is byte 36, depth is byte 34 + +READ (10) +28 00 00 00 00 00 00 FE 9A 00 + +SEND (10) +2A 00 03 00 00 02 00 03 00 00 +Sends 300h bytes of gamma. 100h bytes per color. What is the color order? + +GET DATA BUFFER STATUS +34 01 00 00 00 00 00 00 10 00 +Returns: + - byte 0 to 7: ? (these bytes looks rather standard) + - byte 8 to 11: total size left to read + - byte 12 to 13: number of lines (constant during a scan) + - byte 14 to 15: pixels per line (constant during a scan) + +/*--------------------------------------------------------------------------*/ + +Color shifts + +Color order returned by the scanner is Red, then Green, then Blue. There is a color shift, meaning the raster for the Red is not followed by the Green raster for the same line. +The shifts are: + dpi lines per color + 1200 16 + 1125 15 + 1050 14 + 900 12 + 750 10 + 600 8 + 450 6 + 300 4 + 150 2 + 90 1 + 75 1 + 50 0 + +Some resolution give garbage. However that table might not be complete. + + -- cgit v1.2.3