STM32 MCUs Products

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Forum Posts

How to Modify the Address of Stack

Hi, My application has a bootloader, recently, I allocated a large block of memory on top of SRAM to protect the data from system resets, this causes the highest address of user stack changes, when this highest addresses of user stack are different i...

Chao by Senior
  • 275 Views
  • 6 replies
  • 0 kudos

Issue with UDP Data Size Limitation on STM32

Hello all, I developed a UDP server/client with the objective to send and receive data simultaneously. The code has some problems in the way its written (e.g., unnecessary loops, variable definitions inside a loop...), but I'm only interested in solv...

Resolved! new STM32L431 chip first time running failed

Hello, When programming an ELF file into a new STM32L431 chip(blank FLASH) for the very first time, the program does not start running automatically. It only runs correctly after a full power-off reset.However, after this initial procedure, new ELF f...

dmaST by Associate II
  • 328 Views
  • 8 replies
  • 7 kudos

non- functioning peripherals

Hello everyone,I have recently started working on a custom board which has a STM32H733VG as the MCU. various interfaces including UART, I2C, SPI and sdmmc has been implementde hardware wise to provide links between MCU and other chips on the board.I ...

amirshn by Associate II
  • 229 Views
  • 0 replies
  • 0 kudos

Resolved! External Oscillator for STM32C011F6

Hi All, I need to design an PCB with STM32C011F6 (TSSOP20 package) that will have few inputs, few outputs and an ADC input (0V-3.3V).  I have seen the hardware design guide which talks about integrated oscillators of 48MHz and 32Khz but I'm not sure ...

nitin29 by Associate II
  • 217 Views
  • 3 replies
  • 1 kudos

How to enable snprintf float?

Hello,I'm trying to snprintf into a data buffer, but the application dies precisely on this call. I'm not using nanolib because I want exceptions. My CMake file looks like this: Notice that I added the -u printf_float to the linker flags. Is this not...

DEyer.1 by Associate II
  • 117 Views
  • 1 replies
  • 0 kudos

How to enable exception handling on STM32G474?

Hello,I create my project for the Nucleo STM32G474 board in CubeMX using an output CMake file and now I want to enable exception handling. I noticed the CXX compiler flag had -fno-exceptions, I removed this. However, when I try something as simple as...

DEyer.1 by Associate II
  • 105 Views
  • 0 replies
  • 0 kudos

Resolved! SPI half-duplex example

Hello, I would like to know if there are any special tricks to SPI half-duplex mode. As far as I know the configuration is done normally with only the direction as 1 line. Can anyone point me to some form of an example for setting up the SPI in half-...

FBoth.1 by Associate III
  • 6383 Views
  • 11 replies
  • 2 kudos