Build only up to u-boot and skip linux for development
Is there a way to build only optee, etc. up to the level of u-boot?It would help to ease board bringup, checking the dts effects, do some basic testing. Regards,Roland
STM32 MPUs Products and hardware related
Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
Forum Posts
STM32MP135F-DK - Moving USB HOST HID function from OTG/Type C to HOST
Hi all,I'd like to move the USB HID/CDC function, implemented in the Ux_Host_HID_CDC_ACM sample, from TypeC OTG port to USB host port.Does it make sense?I started to create a usb_host.c based on usb_otg.c, changing the OTG into the USB Port1 referenc...
how to access the adc and dac in stm32mp157d-dk1
i am using stm32mp157d-dk1 and i am using virtual box and i want to make a gui using c++which application should i use so that i can access the adc and dac in linux.using arm cotrex a7 can i access/control the adc and dac. for example when I click a ...
Resolved! Can STM32MP151 transfer sound via HDMI connector?
I'm buildning my own computer by using STM32MP151AAC3.I'm going to draw lines for the HDMI connector. I have one question: Can I transfer sound via the HDMI cable? For example if I run OpenSTLinux onto the STM32MP151AAC3 processor, and then I connect...
Resolved! USB device function problem on MP135
Hi all,I'm writing a USB composite device support (baremetal) for MP135: it must support a custom interface and a CDC profile. Now I'm testing the CDC side connecting the USB cable with a PC: Windows mounts correctly a virtual serial port and I open ...
Resolved! I2C is not working for receiving data - RXNE flag is not getting set
Hi,I am working on STM32MP133FAFx (I2C Master) for I2C communication with STPMIC1 IC (I2C slave) fast mode(400KHz) and HSI clock(64MHz). I2C->TIMINGR = 0x00C0216CFor writing data TXIS flag is getting send and I am writing the register but when trying...
Resolved! IWDG1 bit is not set in RCC status register
Hello We are using STM32MP157A processor in our custom board. Now we are implemented IWDG1 in Cortex A7 processor. The IWDG1 bit is not going to set after reset the processor with Watchdog timeout.we checked in following registers• RCC BOOTR...
problem to play Audio with Rate 22050Hz & 44100Hz on STM32MP257F board
Hi ST Team,We have developed a board based on the STM32MP257F. Currently, I am focusing on the audio section. We use an I2S port to connect to a codec called ES8388 chip. You can find the schematic in the attached picture,the connection between ES838...
Resolved! On flashing STM32MP157-DK1 STM32_Programmer_CLI -l usb never works
Dear Readers,I try to flash my board in Debian 6.1 on 64bit version in a VirtualBox.Whatever I doSTM32_Programmer_CLI -l usbalways fails.I have donesudo apt-get install libusb-1.0-0cd xyz /Drivers/rules sudo cp *.* /etc/udev/rules.d/I rebootet, but a...
MYIR MYD-YA157C Board - Repeated Data on UART Receive
Description: I'm working with the MYIR MYD-YA157C board, based on the STM32MP157C, and experiencing an issue with UART data reception. When receiving data via UART, the same 10-byte buffer is repeated multiple times (50-60 times) instead of getting f...
