STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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Forum Posts

Trouble in debugging CM4 core in STM32H747IGT6

Hello,I am trying to debug the dual core STM32H747IGT6. Debugging of the CM7 core is always successful but the debugging of the CM4 core has the below errors. Some of the times the first error appears and some other, the second error appears:First Er...

PanosGial by Associate II
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  • 2 replies
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HAL UART DMA and SubGhz configuration bug

Hey, Im trying to use interrupts from UART DMA and SubGhz with STM32WLE5CCU. I noticed that I don’t get interrupts from both when I don’t define delay time between the configurations. The current code:MX_GPIO_Init();HAL_Delay(25); // because of bugMX...

Gyuki by Associate
  • 1310 Views
  • 2 replies
  • 0 kudos

SRAM data is lost after soft boot

Hi,I have a problem with the SRAM. I use a stm32f303CCT and Keil. I write  a value in the SRAM memory. (0x20000000 - 0x20000008) However, after a soft reset, the SRAM value will be deleted. How can this be prevented so that the data is preserved?The ...

PHolz1_2-1701849775464.png PHolz1_4-1701849882377.png PHolz1_5-1701849964218.png PHolz1_0-1701849205040.png
PHolz.1 by Associate II
  • 2276 Views
  • 7 replies
  • 2 kudos

How can I use DP83848 instead of LAN8742?

Hi,I have a ready-made hardware and the hardware has dp83848 chip on it.I made ethernet communication with udp on stm32h7 .I can not choose a chip out of lan8742 on cubemx.is there anyone who can guide on this?

Bilge by Associate III
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  • 8 replies
  • 0 kudos

Resolved! Arbitrary pwm signal generation of high resoultion timers in converter mode transistion.

Hi dear friendsI am controlling a current source DC-DC converter using a stm32g474 microcontroller. I am using all 6 HRTIMs to generate 12 PWM signals for my 12 switches. My converter has different operation modes and in each one, these 12 timers hav...