Resolved! Environment aliases are dropped out.
Why after$ source ./layers/meta-st/scripts/envsetup.shaliases is empty? What for?
STM32 MPUs Products and hardware related
Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
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Resolved! RTC backup 3VDC battery wiring on stm32mp157c-dk2 board?
I have seen some stm32mp157 boards from third parties do have a backup 3VDC battery attached to their RTCs, so it won't lose the time when powered off. Is there any way to connect a backup battery to the RTC circuit on the stm32mp157c-dk2 board?-albe...
STM32 TF-A FSBL customization workflow
I need to customize the TF-A en.SOURCES-tf-a-stm32mp1-openstlinux-4.19-thud-mp1-19-10-09.tar.xzOur custom board have a different pin selection for UART4 debug as you can see below, the UART4_TX pin is not on the STM32_PINMUX('G', 11, AF6), but is on ...
Flash SD(TF)-card over USB adapter.
On most cases the script "create_sdcard_from_flashlayout.sh" futile. Built-in card reader today is preliminary remains on notebooks. As result very often a sd-card used over a usb adapter. On a remote virtual machines always it will be used over a c...
Resolved! Examples for STM made OP-TEE drivers?
Hi all,i want to use some hardware peripherals in OP-TEE. I got the GPIO driver (stm32_gpio in core/drivers) to work with my PTA (Pseudo Trusted Application). I now wanna use the I2C peripheral using the stm32_i2c driver.I coundn't find any example c...
STM32MP157C-DK2 Ethernet network is not working
We brought stm32Mp157C-DK2 board for our prototype testing. I can able to work on the A7 and M4 also ran examples. After 3 days of our work the Ethernet communication is not working. The LED's on the connector is not glowing. I check in Linux termi...
Ethernet link and activity LEDs on stm32mp157-dk2 board?
How can I make these LEDs work on stm32mp157-dk2 board? Ethernet interface is working fine, but both link and activity LEDs are always OFF. I need to have a visual confirmation that Ethernet has some TX/RX activity and thus need these LEDs working. A...
UART4 RX Signal level
I use the UART4 like the following initialization.void uart4_configuration(void) { GPIO_InitTypeDef GPIO_InitStructure; USART_InitTypeDef USART_InitStructure; /* enable usart clock */ RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART4, ENAB...
DK2 Does not boot without serial ST-Link (CN11) connection
Hi, I loaded Linux start image to DK 2 eval board and it boots ok if it connected to serial terminal on PC (TeraTerm, etc). When terminal is not running or cable is not connected it won't boot.Can I disable that without rebuilding Bootloader/Linux ...
Resolved! bitbake error
I'm referring to the following website.https://wiki.st.com/stm32mpu/index.php/STM32MP1_Distribution_PackageI stumbled on "6 Building the OpenSTLinux distribution".Error occurred in bitbake.I attach the log.Could you tell me the cause of the error?Bes...
