STM32 MPUs Embedded software

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Resolved! Cannot run examples from st-example-image-qt

Dear all,on a custom board based on STM32MP157D I successfully managed to configure an LCD display that works perfectly using "modetest -s" and "psplash-drm". But I cannot run the examples in the st-example-image-qt because I always get the same erro...

smanni by Associate II
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  • 4 replies
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Resolved! RGB LCD does not display

My rgb lcd screen does not display。​My board is based on the STM32MP153AAA3 design, using a separate power supply.​This is my schematic diagram​This is the timing of the LCD​ This is the LCD device tree ​This is some panel-simple driver code​Here are...

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ZLiu.3 by Associate II
  • 353 Views
  • 1 replies
  • 0 kudos
KGonz.1 by Associate
  • 275 Views
  • 0 replies
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How to use gtk & device file together

bord: STM32MP157-EV1I want the LCD to display messages received by UART communication.However, when I run GTK with the command below, I get an error because I can't access the device file.su -l weston -c "/usr/local/xxxx"What should I do?

stomo.1 by Associate II
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  • 4 replies
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PWM - output during Suspend mode

HiWe are using SEEED studio 102110318 module which uses STM32MP157CAC3 processor. We want to know if there is any way we can keep processor pin PD13 pin to low state in suspend state. We want the pin to maintain low state while in sleep mode. We have...

Srini by Associate II
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  • 4 replies
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Unable to enable PWM driver in uboot

We have custom SOM which has been designed with STM32MP157C and we want to enable the backlight of a display panel using a PWM driver in uboot. For this, we tried enabling the pwm_backlight.c driver available in /drivers/video/ in uboot.Following con...

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DKapu.2 by Associate
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Resolved! Custom LCD panel on stm32157C-DK2 probe problems

We have custom board design based on stm32157C-DK2. We just ise other LCD panel. We have updated device tree and probe function of panel is called. But in method: ltdc_load it fails to find any panel.bridge when calling: drm_of_find_panel_or_bridge (...

MBeli.1 by Associate III
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  • 3 replies
  • 0 kudos