Bureaucrats, dave_user, Administrators
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Created page with "<section begin=History/> {| style="border-collapse:collapse; " !colspan="4" style="width:100%; text-align:left"; border-bottom:solid 2px #ededed"|History |- !style="border-le..."
<section begin=History/>
{| style="border-collapse:collapse; "
!colspan="4" style="width:100%; text-align:left"; border-bottom:solid 2px #ededed"|History
|-
!style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white"|Version
!style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white"|Issue Date
!style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white"|Notes
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|style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000"|1.0.0
|style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000"|Oct 2020
|style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000"|First DESK release
|}
<section end=History/>
<section begin=Body/>
==Touchscreen==
=== Description ===
The 4-wire resistive touch controller signals are routed to J50, which is a 4 pin (1mm pitch vertical) ZIF connector for the 4-wires resistive controller.
The touch controller is a TI TSC2003 device, connected to the I²C2 bus (address 0x1001000b).
===Signals ===
The following table describes the interface signals:
{| class="wikitable"
! latexfontsize="scriptsize"| Pin#
! latexfontsize="scriptsize"| SOM Pin#
! latexfontsize="scriptsize"| Pin name
! latexfontsize="scriptsize"| Pin function
! latexfontsize="scriptsize"| Pin Notes
|-
| 1 || - || TSC_YP || Touch controller Y+||
|-
| 2 || - || TSC_XP || Touch controller X+||
|-
| 3 || - || TSC_YM || Touch controller Y-||
|-
| 4 || - || TSC_XM || Touch controller X-||
|}
=== Device mapping ===
The device is typically mapped to <code>/dev/touchscreen0</code> device in Linux.
The touch controller is attached to the generic Linux input event interface (evdev).
=== Device usage ===
The simplest tools for touch screen management are the tslib library and ts_tools utilities. To calibrate the touch screen, the <code>ts_calibrate</code> command line tool is available.
After calibration, the touch screen can be tested using the graphical <code>ts_test</code> utility or the <code>ts_print</code> command line tool.
----
[[Category:AXEL Lite]]
{| style="border-collapse:collapse; "
!colspan="4" style="width:100%; text-align:left"; border-bottom:solid 2px #ededed"|History
|-
!style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white"|Version
!style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white"|Issue Date
!style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white"|Notes
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|style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000"|1.0.0
|style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000"|Oct 2020
|style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000"|First DESK release
|}
<section end=History/>
<section begin=Body/>
==Touchscreen==
=== Description ===
The 4-wire resistive touch controller signals are routed to J50, which is a 4 pin (1mm pitch vertical) ZIF connector for the 4-wires resistive controller.
The touch controller is a TI TSC2003 device, connected to the I²C2 bus (address 0x1001000b).
===Signals ===
The following table describes the interface signals:
{| class="wikitable"
! latexfontsize="scriptsize"| Pin#
! latexfontsize="scriptsize"| SOM Pin#
! latexfontsize="scriptsize"| Pin name
! latexfontsize="scriptsize"| Pin function
! latexfontsize="scriptsize"| Pin Notes
|-
| 1 || - || TSC_YP || Touch controller Y+||
|-
| 2 || - || TSC_XP || Touch controller X+||
|-
| 3 || - || TSC_YM || Touch controller Y-||
|-
| 4 || - || TSC_XM || Touch controller X-||
|}
=== Device mapping ===
The device is typically mapped to <code>/dev/touchscreen0</code> device in Linux.
The touch controller is attached to the generic Linux input event interface (evdev).
=== Device usage ===
The simplest tools for touch screen management are the tslib library and ts_tools utilities. To calibrate the touch screen, the <code>ts_calibrate</code> command line tool is available.
After calibration, the touch screen can be tested using the graphical <code>ts_test</code> utility or the <code>ts_print</code> command line tool.
----
[[Category:AXEL Lite]]