rotation of image is not smooth in mimxrt1170-evkb

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rotation of image is not smooth in mimxrt1170-evkb

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Archana_reddy
Contributor I

We are using MIMXRT1170-EVKB with LCD panel RK055HDMIPI4MA0. We are trying to display the image rotation on display, but the image is not rotating in a smooth way. We also enabled the Performance monitor in GUI guider tool. So, when we monitor the FPS, it is fluctuating between 12 and 62(Refresh period is 16ms).

1) Why is the FPS value fluctuating (CPU load is 100%)?

2) Is the image rotation is affected by the CPU load?

3) The image is rotating but the frames are jumping. What might be the issue?

We are using MCU expresso IDE of version of 24.12.148 and GUI guider 1.9.0. The example we imported is evkbmimxrt1170_lvgl_guider_bm_cm7.

I have also uploaded the code snippet and the video of the image rotation. Do find the attached files. rotation.png

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Sam_Gao
NXP Employee
NXP Employee

@Archana_reddy 

About performace, I would like to share Performance optimization guide for your reference.

In this section, it provides the introduction to enable/disable FPS/CPU usage monitor and the tips on how to improve the graphics performances on NXP MCU devices.  

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