1. Mx6ul core module serial use - touch screen calibration (IX)

The following is already in Iot-6ULX/EVB-6ULX The verification on the platform passed ,Iot-6ULX/EVB-6ULX Introduce the following ：

 

8. Touch screen calibration

Currently, the touch screen only supports screen calibration test .

Due to in band Qt Testing the touch screen operation under the file system of is quite tedious , So we don't support . The following test content is in none Qt File system testing . If the test process is abnormal , Please confirm whether the file system burned is accurate .

The following is for 7 " 800*480 Screen test of resolution . Get into linux After the system , Execute the following instructions ：

[email protected] ~# ts_calibrate             // Enter the screen calibration test

After executing the operation instructions , The touch screen will display the calibration interface , Click the calibration crosshair to calibrate , Click five times in turn , Calibration test completed . meanwhile , The terminal will print out the corresponding information with the calibration process , As shown in the figure below .

Touch screen screen calibration interface

 

Touch screen calibration terminal information printing

After screen calibration , The following instructions can be executed , Conduct touch screen test ：

[email protected] ~# ts_test                              // Enter the screen touch screen test

After executing the operation instructions , The touch screen will display the test interface . The default is in “Drag” Pattern , In this mode, fingers click or drag on the screen , The collimation will move with it . As shown in the figure below ：

   Touch screen screen test interface

Click on “Draw” Options , Have access to “Draw” Pattern . In this mode , The collimation will disappear , You can do line drawing test on the screen . As shown in the figure below ：

  Touch screen line drawing test interface

Click on “Quit” Options , Exit the test interface , The end of the test . During the test , The terminal will print out the corresponding information , As shown in the figure below .

Touch screen test terminal information printing