Changing SPI from Slave to Master and Back to Salve during Run time
Hi All,What is the best way to switch an SPI from Slave to Master during run time and later to bring it back to Slave mode (an example will be well come :-))Thanks,Yoav
STM32 MPUs Embedded software and solutions
Ask questions and find answers on STM32 microprocessors and dedicated embedded software solutions, such as Yocto SDK, Qt, and OP-TEE.
Forum Posts
Resolved! DSI PLL clock configurations in Device tree
We are doing a custom board bring-up and currently trying to display video on our display device. We use CubeMx to generate the device trees for our project, we have configured the DSI PLL dividers to match our display device requirement. Snapshot of...
Unable to program custom stm32mp157c based board
Hi all, I am trying to flash a custom board based on stm32mp157c based MPU. I have my own flashlayout which is also attached here. I am constantly running into the following error. an error occured while setting virtual partition 0xF1 alternate...
Which DMA channel should I use to read from FPGA/memory (FMC)
Hi,I am puzzled which DMA channel to use to read from an FPGA connected to the FMC.Using the dmatest module I found out which are free and can be used for DMA_MEMCPYtransfers:modprobe dmatest timeout=2000 iterations=1 run=1 wait=1 [ 991.821537] dma...
Resolved! Yocto build failure
Hi all,I am trying perform build for yocto for the DK2. But running into the following error. I am pretty sure this was working until a month back but now link appears to be broken. ERROR: openocd-stm32mp-native-0.11.0-rc2.AUTOINC+a5e526d857-r0 do_fe...
input capture is not working in m4 , when m4 start on Linux startup services. (Stm32mp1)
Hello,I been working on stm32mp1 soc. In m4, totally, i have configured 3 timers(Timer2(input capture), time13,timer16). when i start the m4 from A7 after Linux login, all timers work fine. But when I use a startup script to start the M4 during Lin...
OpenSTLinux build broken by openocd
Hi!The repository git://repo.or.cz seems to be permanently offline.Alternatives are:https://sourceforge.net/p/openocd/code/https://github.com/openocd-org/openocd/Broken recipes are:layers/meta-openembedded/meta-oe/recipes-devtools/openocd/openocd_git...
stm32mp1 SAI DMA issue
Hi,We are using stm32mp157a in our custom board.We are configured SAI for Cortex M in cubemx.But we are unable to get dma interrupt and data through DMA. you can see my code flow below.In main.we are calling below functions.int main(){ MX_DMA_Ini...
I2C5 in the CM4 context giving I2C_WaitOnTXISFlagUntilTimeout
Hello Attached is my i2c ioc file and I have connected an ADXL sensor to the stm32mp1 on its Arduino connector(I2C5). ( address: 3A, Chip id value : E5, Chip ID read register : 0x00)I am trying to read this chip id but getting an error at the below...
Resolved! How to include TPM2 package when making "Eco system V2.1.0" distribution?
Hi STI enabled DISTRO_FEATURES_append = "tpm2" in the file ".../layers/meta-st/meta-st-openstlinux/conf/distro/include/openstlinux.inc" as described in the ST Wiki.When building with "st-image-weston" I get the following error message:ERROR: Nothing ...
