Verify Voltage Level on FMC
I've spent some time looking over the STM32MP15x hardware manual but cannot confirm that the FMC levels (in SRAM mode) are 1.8v. Can this be confirmed or corrected please?
Forum Posts
OpenAMP_TTY_echo_wakeup example prevents A7 processor from going into low power mode.
I'm trying to develop an application that puts the A7 into a low power mode and only uses the M4 to do some basic processing. I'm starting with the OpenAMP_TTY_echo_wakeup example. In the example it says to issue the following commands:echo "*delay" ...
Resolved! Using ST Yocto SDK with Docker for Windows
Hi,I've been trying to setup a cross compile environment using Docker for Windows, and I've run into a bit of trouble. I've setup the dockerfile so that during the build process of the image, I copy the SDK into the image and execute the .sh script.T...
Resolved! write something to console for a M4 program - stm32mp157c-dk2
Hello,I am reading a sensor on m4 side. And debugging in production mode for the target.I have called printf function in main.c but I cant see anything when I run the program.Is it normal that I cant see any console while the program running ?
Moving LTDC pins on DK2 board?
Just wondering if I can edit the pinctrl.dsi file to change the pins to the Raspberry Pi header, rather than the HDMI encoder, so I can try DPI Raspberry Pi displays. In CubeMX the LTDC and most of the peripherals are locked, just wondering if it is ...
Resolved! data exchange OpenAMP_TTY_echo
Hello,I am reimplementing the example application OpenAMP_TTY_echo in STM32MP157C-DK2.I want to exchange numerical data between M4 and dual A7. How can I do it ? which structure, channel or interface ?thanks in advance
Resolved! How to configure pull up/down property of pin in dts
Hi I use GT9147 touch IC on my stm32mp157 board. I found the stm32mp157c-ev1.dts use same chip. But the ev1 use GPIO14 of stmfx GPIO expander chip as TP_INT signal. The GPIO14 of stmfx configure as below code.486 hog_pins: hog...
why the system workbench use stklink?
Hi, I use system workbench to debug example project. The serial port and ethernet over usb are recognized by system workbench. Now, the debuger step is using openocd to connect target board. I follow the below link to setting the debug configuratio...
How to add modified device tree with PWM control backlight
My circuit board USES PE6 to control the backlight, but it cannot be adjusted. How to modify the device tree of TIM15_CH2.EV1 is not regulated.EV1:panel_backlight: panel-backlight {compatible = "gpio-backlight";gpios = <&gpiod 13 GPIO_ACTIVE_LOW>;def...
