Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
Hi,I am using psci_cpu_on() function for Triggering the Seconary core i.e,Second A7 in Stm32mp157 at Uboot Level,but i am unable to trigger the Second Core.Refer The following path for psci_cpu_on functionPath :uboot-v2018.11-stm32mp-r2.1/arch/arm/m...
Hi all,I am trying to write a linux user-space application where in i am taking data from an external MCU processing it and sending it to another thread. My question here is how can make use of DMA in the user-space to make it more efficient? How can...
Hello,We have a custom board with STM32MP157F silicon rev Z with emmc 24AA64T-I/OT . We are able to flash out OS with cubePorgrammer but we are not able to boot on emmc after flashing. According to :https://wiki.st.com/stm32mpu/wiki/STM32MP15_ROM_cod...
Hi all,I have small query around u-boot.How can i update my custom boot screen for the u-boot?How can add my custom application to start post boot?Thanks.
Hello,I am trying to get familiar with vitualUart between A7 et M4 side.The example OpenAMP_tty_Echo given in the wiki works well with my setup.Next step i would like to replace the "echo "msg" > /dev/ttyRPMG0" terminal commands" by a C linux user sp...
Hi, We have acquired this board called Audio Injector (in the image) that has a WM8731, it is a raspberry pi hat, but we want to use it with the STM32MP157D-DK1 but the drivers we have found on the internet seems to be not compatible with this board ...
1. Using a virtual machine in Windows, DOWNLOAD hangs when the virtual machine is turned off while downloading LINUX OS and BOOTLOAD to USB.2. Subsequent USB not recognized by Windows and LINUX.3. Hardware check confirms over current in PCB, overheat...
Hi everyone,I'm working with OpenAMP on CM4 and I would like to increase the buffer size of RPMsg messages. When sending with VIRT_UART_Transmit() from CM4 to CA7, gives me an error when the message exceeds 496 bytes due to the RPMSG_BUFFER_SIZE valu...
