STM32 MCUs Embedded software

STM32H723 embedded bootloader command GO fail

 I use STM32H723VET6. Bootloader ver 9.2. When I can send command GO at FDCAN (PD1, PD0), I receive ACK(0x79), but after that MCU is fail.My function:void BootCanGo(uint8_t* answer){           uint32_t Delayer = 0x8FFFFF;           uint8_t SendedData...

USB OTG not working on STM32L4

Hi,I am trying to configure the USB OTG of my Nucleo-L4R5ZI board to host-only mode, but I am facing some issues. In the user manual is said that "A green LED LD8 lits up in one of these cases: (1) Power switch (U12) is ON and STM32 Nucleo-144 board ...

X-Cube-Audio : Does the STM32L series support the hi-fi audio

​Could we create a hi-fi audio project base on STM32L series?What series can be used?​​

ISR does not context switch out to its respective task using freeRTOS

Hi everyone, first time using freeRTOS and everything is working besides context switching from an ISR.The STM32H743ZI has DMA (DMA1_Stream0) setup as UART Rx. This triggers an ISR that sends a queue for task synchronization, as the task that receive...

stm32+lwip+mbedtls packet size problem

I have a problem with the mbedtls server (stm32+lwip) send wrong length message. I am using this code in my project. https://github.com/straight-coding/straight-httpd-lwip-mbedtls-simulator![Wireshark packet trace. A TLSv1.2 "server hello" packet is ...

how can I send data over MQTT using b-l475e-iot01a to a database

sd fatfs can only change letters

Hello,I'm using fatfs by chan with this SD driver http://stm32f4-discovery.net/2014/07/library-21-read-sd-card-fatfs-stm32f4xx-devices/ and with my own SPI driver. I have successfully mounted and opened a file but when I try to write using f_puts, it...

Enabling the UCPD DMA

Hello. I'm using an STM32G071KBU6N in a USBPD application. My application uses both internal UCPD ports.I'm working on enabling the DMA and DMAMUX for use with the UCPD peripheral, for both Rx and Tx of both ports. I'm focusing on Tx right now, and c...