STM32 MCUs Embedded software

USB CDC and STM32F767ZI

I have a problem with my STM3cF76ZI and USB CDC:After preparing a base project (USB_OTG_FS->Device_Only and CDC class in middleware) by CubeIDE1.2.1 and after loading the firmware, I connect USB CN1 and, then, USB CN13.Windows prompts me an unrecogni...

How can I avoid returning from bootloader after calling it. The bootloader sees a valid program in flash and so returning.

STM32F476VGT problems with SD Card with FreeRTOS, but it works if there's no FreeRTOS

I'm using the MCU STM32F476VGT on a custom board, my problem is that I recive FR_DISK_ERROR from command f_mount. I have verified that the SD works because I've tested it in a code without FreeRTOS on the same board and i write on the SD without prob...

USB PD library Can't charge Redmi phone

Hi Yohann,Created a separate thread as it's a separate issue.I am having an interesting problem with the latest USB PD library v3.I configured my board to be a source and connect to my Samsung phone (A20); it works very happily, I can start charging ...

4ch adc records on sd card

Hello,I try make a program for record on sd card a data/values from 4 channels adc1.First I make program for read a 4 channels from adc1 and it works!When I pause a debug in while loop, in uint32_t adc[4] I have all 4 correct values.Then I make a pro...

Can I update the CMSIS package in STM32Cube Firmware?

I use the current STM32Cube FW_L4 V1.15.1, but the arm_math.h is still version V1.5.3 (while there is already version 1.6 from July 2019).Is there any way to configure CubeMX to use a different version of CMSIS then the one in the FW? I already insta...

STM32F0 Discovery Receive Interrupt is not working

Hi all​,I tried the same setup for USART on PA10 and PA9 as the following example Project.en.stm32f0_stdperiph_lib\STM32F0xx_StdPeriph_Lib_V1.5.0\Projects\STM32F0xx_StdPeriph_Examples\USART\USART_HyperTerminalInterruptI can send data to my Laptop via...