A better repository gsl-firmware. This is no longer maintaned.
Firmware for silead mmsl1680 touchscreen.
Depends:linux>=4.9
firmware/silead
# mkdir /lib/firmware/silead
# cp mssl1680.fw /lib/firmware/silead
For calibration refer
https://wiki.archlinux.org/index.php/Calibrating_Touchscreen#Your_screen
Extracted from Windows driver "SileadTouch.sys"
Command to find the offsets used for extraction:
cd firmware/trekstor/surftab-twin-10.1-ST10432-8/
export F=Windows_System32_drivers/SileadTouch.sys
cat $F \
| hexdump -e '1/1 "0x%8.8_ax "' -e '1/1 "%8._ad "' -e '8/1 "%02X ""\n"""' \
| grep -i -E "F0 00 00 00 02 00 00 00|7C 00 00 00 .. .. .. .." \
| grep "F0 00 00 00 02 00 00 00" -B1 \
; \
echo -- \
; \
cat $F \
| hexdump -e '1/1 "0x%8.8_ax "' -e '1/1 "%8._ad "' -e '8/1 "%02X ""\n"""' \
| grep -i -E "F0 00 00 00 02 00 00 00|7C 00 00 00 .. .. .. .." \
| tail -n2
0x00009540 38208 7C 00 00 00 00 00 00 01
0x00009548 38216 F0 00 00 00 02 00 00 00 (start fw_1)
--
0x0000b010 45072 7C 00 00 00 00 00 00 00 (end fw_1)
0x0000b818 47128 F0 00 00 00 02 00 00 00 (start fw_2)
--
0x000152c0 86720 7C 00 00 00 30 32 3A 32 (end fw_2)
0x00015ac8 88776 F0 00 00 00 02 00 00 00 (start fw_3)
--
0x0001f570 128368 7C 00 00 00 30 32 3A 32 (end fw_3)
0x0001fd78 130424 F0 00 00 00 02 00 00 00 (start fw_4)
--
0x00029b38 170808 7C 00 00 00 30 32 3A 32 (end fw_4)
0x0002b468 177256 7C 00 00 00 01 30 07 30
dd bs=1 if=$F of=firmware.fw_1 skip=38216 count=$(( 45072 - 38216 + 8))
dd bs=1 if=$F of=firmware.fw_2 skip=47128 count=$(( 86720 - 47128 + 8))
dd bs=1 if=$F of=firmware.fw_3 skip=88776 count=$((128368 - 88776 + 8))
dd bs=1 if=$F of=firmware.fw_4 skip=130424 count=$((170808 - 130424 + 8))
unset F
cd -
| file | comments |
|---|---|
| firmware.fw_1 | Not tested, much smaller then the others. |
| firmware.fw_2 | Reacts to input, mouse pointer jumpy. |
| firmware.fw_3 | Reacts to input, mouse pointer jumpy. |
| firmware.fw_4 | Works good. |