Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
Hello,I am completely newby on embedded linux stuffs.Can any one tell me how to drive any available LED on the STM32MP157C-Dk2 board by using the linux shell commands.Unfortunatelly i did not find the information on the wiki stm32mcu.Thank you by adv...
Hi all.I want to prevent the contents of "RETRAM" from being erased when I run the firmware with m4 rproc on "OpenSTLinux"."RETRAM" is powered by the battery through the VBAT pin to maintain data.To this end, TF-A was also modified to set and maintai...
I have a pair of DK1 boards I just received that I wanted to get working with wifi direct, but neither even can show a wlan0 interface. In the past I have used a DK2 with buildroot and got the wlan0, and a coworker used stock yocto build on the DK2 a...
Hi：Anyone familiar with this issue?When I plug in the network cable, the following information will be printed later:[ 373.607360] ------------[ cut here ]------------[ 373.610551] WARNING: CPU: 1 PID: 0 at net/sched/sch_generic.c:447 dev_watchdog+...
The kernel cannot be started in a loop, as long as I use TF-A+UBOOT to start the kernel
Hi is there a list, or sorts, with the examples that should work for the DK1 dev board from the DK2 examples?
I use STM32MP151CAA3 Cortex-M4 on my custom board.I got fault report from uVision debugger when __main called in my startup assembler code.https://www.keil.com/support/man/docs/uv4/uv4_cp_m347_faults.htmMemory Manage Faults DACCVIOL (Data access vi...
Hi All,with serial ttySTM2 9600 data exchange makes the cpu stall:modified usart.c driver code to support schedule worker threadi am getting a cpu0 and cpu 1 stall attached is the loghas any faced this rcp preempt issue
Hello,I used to develop bare metal applications on STM32MP157 discovery kit, but I can only debug Cortex-M4 with ST-LINK. I would like to debug both Cortex-A7 and Cortex-M4, do I need to get an evaluation board with a JTAG interface? I want to develo...
