STM32 MCUs Products

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STM32 with small flash + HAL + DEBUG + no Optimization...

... leads to "funny" results:STM32L011 with 16 kB of flash, HAL inits and LED toggle in main, DEBUG, no optimization:93% of flash usedI had not expected it to be that bad! :grinning_face_with_sweat:Okay, I will probably not use too much HAL, will use...

STM32L011_HAL_DEBUG_noOpt.png
LCE by Principal II
  • 3560 Views
  • 24 replies
  • 9 kudos

Resolved! Stm32F437 custom bootloader

Hi everybody   I'm developing a simple bootloader which run an application loaded in flash memory at the address 0x80200000. The application alone works correctly  but when I use the boot  the app doesn't run. This is the code of my boootloader #defi...

PgT72 by Associate II
  • 830 Views
  • 4 replies
  • 1 kudos

Resolved! Read PDO from source with USBPD library.

Hi. I am building USB PD sink device. I would like to use built in STM32 UCPD controller.I've created test application in STM32CUBE based on AN5418. It works properly but i want to add PDO read functiinality.All tutorials say that all info about port...

kamillx by Associate
  • 364 Views
  • 1 replies
  • 0 kudos

SPI DMA cannot send multiply bytes

Hi, I'm using STM32G431 to drive my SPI screen. Due to the high cpu load, i decided to change the IT sending mode to DMA. After putting a little changes on code, it doesn't work any more, and i have confirmed it will work again once get it back to IT...

Resolved! Voltage withstand of MCU pins

Hi,Master:platform: STM32G070CBphenomenon:When the MCU is empty (without any program), connect an external pull-up resistor 10K to the adjustable voltage source on the PA4 pin, adjust the voltage in the range of 4~18V, and find that the maximum clamp...

q2.png q1.JPG
Lyu.1 by Associate III
  • 1142 Views
  • 8 replies
  • 0 kudos

STM32F1 SPI CRC error flag not cleared

Hi,(Sorry, I'm not sure where best to post this)After digging into issues with SPI hardware CRC on an STM32F103, it seems like the SPI HAL functions are not clearing the CRC flag before starting a new SPI transaction. I think they should be calling _...

sb616 by Associate
  • 346 Views
  • 1 replies
  • 0 kudos

Resolved! FDCAN on STM32G0 Filter setup

Hello, is there any simple example for (STM32G0B1CBT6) or similar where I can simply filter int genration for eg. only for 0x505 id in standart mode. I tested many samples and I believe that there must be some bug in IDE. This is    static void MX_FD...

JD3 by Associate II
  • 1111 Views
  • 8 replies
  • 1 kudos

SPI MISO "broken" after a while

Hello,I have a Nucleo-F439ZI as SPI master connected to four Nucleo-F030R8 SPI slaves.Initially, the SPI communication was working perfectly fine. But after a while, the master received only zeros on MISO line even though, the slaves where sending da...

_Daniel_ by Associate II
  • 1999 Views
  • 18 replies
  • 8 kudos