STM32 MCUs Embedded software

Can't send one kind of IGMP msg on an STM32F746G Disco, but other kinds go out, and other protocols' msgs as well. A low-level hardware configuration issue? Not using STM driver.

I can send ARP, UDP, ICMP, and so on, and all the other IGMP messages, but not the IGMP V2 Membership Report messages. Wireshark doesn't show those at all, but does show the others going out. So I've written a low-level driver test that composes the ...

Standard Peripheral Library based SPI Flash Interfacing Example am looking to have.

Hello all , Am looking to have Standard Peripheral Based SPI Flash Interfacing Example code instead of HAL based.If any one knows , pleas share.Controller am using is Stm32f103C8t6 & Stm32f072rbt6RohitROhit

USB host disconnect automatically

Hi,We are designed board using STM32F207 for USB host. I have 2 keyboard. one keyboard work perfectly & other keyboard also work but after few second automatically disconnect from host & connect it again. Same keyboard work perfectly with STM32F407Di...

I am a beginner on STM32 and would like to know how to hook up a USB directly to the STM32 bluepill board. Not using the onboard USB but basically cut a USB cable and connect the V+ GND and D+, D- to the board. Does it have ports that support it that way?

STM32F750Z Unaligned memory access when executing from external RAM.

Hallo everyone,I have set up Segger Ozone with a Segger J-Trace to initialize the uC. When connecting to the debuggee the clock configuration, the gpio config as well as the FMC configuration is done. After that OZone loads the programm to the extern...

FATFS poor write performance because of disk write waiting

I have debugged poor f_write performance to SD card on H743 and have noted, that BSP funtion waits the disk write command to complete before return. What for was it so designed? It will work much faster if to return immediately after giving the write...

Issue - USB HS with DMA on STM32F7 and 1.16.0 firmware

Using STM32F769, HAL and CubeMX I developed a project where it is necessary to send an average of 764 bytes every 100 microseconds. For this I use the USB DMA and other peripherals.In version 1.15.0 the code works very well.After a while, I had to ad...