STM32 MCUs Embedded software

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

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Resolved! FreeRTOS Tickless mode

Hi all,I ran into an issue regarding FreeRTOS tickless idle mode. I wanted to share my findings and solution in case others encounter the same problem and also to ask if that's intended structure (so I am missing something) or if its not generated pr...

Martí by Associate II
  • 230 Views
  • 2 replies
  • 3 kudos

Resolved! How a GPIO pin binds to a PWM channel

Hi Sir,I tried to refer to the PWM example:~\stm32cubeh7-v1-12-0\STM32Cube_FW_H7_V1.12.0\Projects\STM32H743I-EVAL\Examples\TIM\TIM_PWMOutput I see the four GPIO pins are initialized: And I see the four PWM channels are setup: But I can't find the cod...

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Jimmy_Ma by Associate II
  • 201 Views
  • 3 replies
  • 4 kudos

STM32H7 MDMA for UART DMA

Hello,I would like to transfer 3 linked list blocks over UART DMA. When I started HAL_MDMA_START_IT, it transmits only 16 bytes. How can I send big files back to back? Configurations are as follows:MCU : STM32H7 seriesFirmware : Last release 

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Possible shortcoming in HAL SD library

Been trying to get an test application working on a STM32F469NIH Discovery board.Should be fairly simple - Write a file to the SD Card, with FatFS, the read back:Try as I might, I couldn't get things working.After a bit of debugging, I think the issu...

MClar.3 by Associate II
  • 2037 Views
  • 6 replies
  • 1 kudos

Resolved! STM32H573I-DK HTTP Client

Hello ST Community - I am seeking to migrate a functioning HTTP Client application from a SAMD51 MCU to STM32 silicon, I have an STM32H573I-DK on hand, objectives: HTTP Client Ethernet (wired) connectivity using a static IP addressStoring retrieved J...

Spirit MP3 Decoder support for hardware float

Hello,     I have a project using the spirit MP3 Decoder. I am in the process of moving this project over to a FreeRTOS based project using the STM32F411. FreeRTOS only supports hardware floating point for this chip and the spirit MP3 decoder is prov...

SORei.1 by Associate II
  • 214 Views
  • 2 replies
  • 0 kudos

STM32C091CCU6想使用uart更新mcu

譬如說我使用一個按鍵,按下去之後執行函式"jump_to_sys_memory_bootloader",再搭配STM32CubeProgrammer,使用uart來更新我的MCU,但是一直無法連接成功,以下是我的函式請問哪邊有遺漏嗎?static void jump_to_sys_memory_bootloader(void){uint32_t i;void (*SysMemBootJump)(void);__IO uint32_t sys_memory_address = SYSMEM_BOO...