Why systemdctl output of strange characters
These should be escape characters and should not be displayed
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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AWS IoT C SDK Cross Compile for STM32MP1 dk2 board
Hey guys.... Hope you all are doing well I've own the STM32 mp1 dk2 boardAt my host (Ubuntu 18.4 LTS), i have successful installed OpenSTLinux and SDK I'm able to Cross Compile the "hello world" code at user space and it's working well Now, for one o...
getting kernel panic on worker queue
hi getting following kernel on added code on irq with worker queuecancel_delayed_work(&stm32_port->port.test_dwq); queue_delayed_work(stm32_port->port.test_wq, &stm32_port->port.test_dwq, msecs_to_jiffies(1823));// 3.5T for 9600uname -aLinux mp1som 4...
/dev/watchdog is always busy.
I am using the STM32MP15-DK2 dev board and with a modified device tree to enable some peripherals. I would like to use /dev/watchdog to reset if ever my application hangs. But whenever I try to open the device I get Error opening watchdog device: Dev...
Is it possible to use a Text-to-speech engine like pico2wave or espeak on the STM32MP1 serie?
Looking for a light linux distro and processor (MPU) wich is capable of running one of the text to speech engines.
SPI chip/slave select issue STM32MP157
I have troubles in setting the polarity of the SPI chip select i/o for an external chip.I noticed In the reference manual that it should be changeable with SPI configuration register 2 (SSIOP bit 28) :Bit 28 SSIOP: SS input/output polarity0: low leve...
Resolved! STM32MP157C-DK2 How to use external power supply?
I would like to provide power from PI connector. How to avoid error blocking message at the start of the boot that report:************************************************ ERROR USB TYPE-C connection in unattached mode ** Check that USB TYPE-C cabl...
STPMIC1 PWR_USB_SW with 5V input
Dear all,We are designing a board using STM32MP1 and STPMIC1 mostly as recommended in datasheet and application note. As we have a wide VIN range we added a discrete DC/DC with a 5V output that supply STPMIC1 VIN.We would like to use STMPIC1 PWR_USB_...
Resolved! VBAT input if used with removable primary battery
Dear All,We are designing a custom board based on STM32MP1. In some ST documents we can read "if no external battery is used, it is mandatory to connect this pin [VBAT] to VDD." If I check the developpement board schematic VBAT is simply connected to...
Resolved! I have a problem with the predictive maintenance setup as described in UM2639 and dm00659285..". I get as far as "Edge computing setup complete". Then it completely stops. Any ideas?
The handshake sequence looked a bit odd too. [STMdemo1] (08:07:40): {"state": {"reported": {"Device_Type": "STEVAL-IPD005V1", "Features": [], "Firmware": ""}}}Update request with token "40d4c70c-ec71-4946-9f7b-b6ad2719d965" acceptedI have also tried ...
