Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
Hi everyone,I have tried to check eval board PCB with hyperlynx DDR wizard but I can't.I downloaded all of the IBIS data which are Nanya DDR3L ram and MP157A.However, I'm confused about which ODT models I should choose.Please help me which model I ch...
I am attempting to configure my device tree to support RMII with Crystal on PHY, no 50Mhz from PHY. I have made the following modifications based on https://wiki.st.com/stm32mpu/wiki/Ethernet_device_tree_configuration#RGMII_with_Crystal_on_PHY-2C_no_...
Hi everyone,I'm having the famous "Segmentation fault (core dumped)" error caused by the Linux application, but I can't find the bug.const int NUM_ELEMENTS = 131072; void process_receive (int chRPMSG) { int i; int data_buff_it = 0; char msg_...
We are using the STM32MP157A device in our application. inter process communication between the both A7 processor with the bare metal programming we have doubt that how to select the both the cores independently . That is both the A7 processors. We ...
Hi everyone,I'm coding a C application on Linux which has 2 processes. In order to optimize performance, I would like to run each one on a differente core CA7 - as I'm working whit dual-core STM32MP157F MPU. How can I achieve this? Any useful framewo...
On my custom board, I configured PZ0, PZ1, PZ2 for SPI1 with device tree, and linux kernel probed successfully and populate spidev node and it works fine, but if look at debug information in /sys/kernel/debug/pinctrl/, it populate something like "pin...
Hey,we have an issue when waking up our STM32MP153 from suspend-to-ram. The wireless LAN won't respond and we get the following error messages through serial port:ieee80211 phy0: brcmf_run_escan: error (-110) ieee80211 phy0: brcmf_cfg80211_scan: sca...
Hi everyone,A significant part of the ST team monitoring this Community and based in France will take some vacation during August. Of course, few ST people will remain on board, but you may probably observe a slow-down in participation from ST. Thank...
Hi all,I would like to add debian source list to the existing sources in OpenSTLinux.I created a file mysources.list under folder /etc/apt/sources.list and added following lines to itdeb http://ftp.au.debian.org/debian/ buster main contrib non-free d...
Help on customizing the device treeI installed my starter package according to instructions at https://wiki.st.com/stm32mpu/wiki/STM32MP15_Discovery_kits_-_Starter_PackageAnd the developer package following instructions at https://wiki.st.com/stm32m...
