About Kyrpav

Kyrpav · 2024-01-25

I have an H755 nucleo board and a riverdi 5'' rgb display.Aftersetting the ltdc ,the clock to 25mhzthe freertosnot using qspi and sdram just by using the 2 layer start address 0x20000000 and 0x20119400 for RGB888I have enabling the nvicI have crossch...

Kyrpav · 2024-01-24

I have a STM32F755ZI nucleo board. I am trying to load and run simple project from the board selector. So creating new stm32 project and selecting the board. Then i try to load the project and while it seems to load the stlink led blinks 3 colours an...

Kyrpav · 2023-08-19

What can i do to fix the over current problem.i have a nucleo-F767ZI board and it seems that by trying to power on a display there is a problem with the circuit at the backlight and now i get the LD5 for the over-current always on.At this stage i do...

Kyrpav · 2023-08-18

I am using a nucleo-f767zi to control a reverdi tft display.The project in CUBEMX ide is using freertos and there for the time base is changed from systick to TIM6.I am trying to task enable sequence for the screen but i see that i am stack in an inf...

Touchgfx and user input · 2023-08-14

Hi since I am very new to touchgfx this is probably a wrong or already answered question. How can someone has a user edited text line or text area with a virtual keyboard? I mean to have a text input widget that user selects it and a keyboard opens o...

Kyrpav · 2024-01-24

can you explain how to disable boot sequence? i have ideentified that if i try not to build and load CM4 i get the issue. So if i have a CM4 from previous project. also if i load CM4 and not CM7 again the board is dead.

Kyrpav · 2024-01-24

previously means one month before. as i was just making small programs based on stm tutorials.Nothing really serious blinking leds , pwm just getting started.I have not resoldered anything to both of the boards. i have placed pin headers in the H755 ...

Kyrpav · 2023-08-21

i will probably by infiray p2 pro in general but i think i have found the problematic part by touching. The ST890CDR is burning. I need to buy new to replace it.

Kyrpav · 2023-08-19

Probably i need more info. usb current meter needs to be pluged either in type c or usb port where nucleo has none of them but a micro usb. Even if this was not the issue placing the usb meter to the usb port of the nucleo not to the stlink usb how i...

Kyrpav · 2023-08-19

i got the schematics but from where to start? I suppose it is something fromthis parts not from the real mcu. still i am in a not comfortable situation here. if something was to be burned what wound have been first in order the led to start light?

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Black screen initial display start problem

H755 Nucleo board and F769 Discovery board error handler on loading board example

over-current problem stlink

HAL_delay() issue infinite loop

Touchgfx and user input

Re: H755 Nucleo board and F769 Discovery board error handler on loading board example

Re: H755 Nucleo board and F769 Discovery board error handler on loading board example

Re: over-current problem stlink

Re: over-current problem stlink

Re: over-current problem stlink