STM32 MCUs Embedded software

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STM32F4 LL RTC and RCC are a total disaster

Hi all,I would like to point out a total disaster if you are using the LL library for RCC and RTC for the F4 series family. Let me start with the system clock config, which falls under RCC. Why the hell is there a default wipe of backup domain regist...

MKsen.1 by Associate II
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I am using X-CUBE-AWS packages with p-l496g-cell01 development board to send my sensor data on AWS it works fine buy during sometime code will stick and it generates an error

I am using X-CUBE-AWS packages with p-l496g-cell01 development board to send my sensor data on AWS it works fine buy during sometime code will stick and it generates an errorI also enable "isAutoReconnectEnabled" flag but it genrate error likeERROR: ...

pragnesh by Associate III
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All the "middlewares" on github. Divide and rule!!

ST has published on github the USBH "middleware" for all MCU families...https://github.com/STMicroelectronics/stm32_mw_usb_hostand LwIP middleware...https://github.com/STMicroelectronics/stm32_mw_lwipand FreeRTOS...https://github.com/STMicroelectroni...

Pavel A. by Super User
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Resolved! Inconsistent HAL_SPI_TransmitReceive Errors

I am running a simple SPI transmit receive project with an STM32F411 (SPI Master) and STM32F303 (SPI Slave). Whenever I press the user push button on the STM32F4 Master, the Master will send a command byte (0xE1) through SPI and the STM32F3 Slave is ...

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RrW1 by Associate III
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  • 4 replies
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Resolved! STM32F072RB and X-CUBE-USB-PD problem.

The usb type c pd example code does not seem to work although it compiles properly using SW4STM32. I tried the provided binary file (PNUCLEO-USB001-DEMO1.bin) and it works just fine. I am using nucleo-f072rb and MB1257 expansion board.PNUCLEO_USB001...

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Red by Associate II
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  • 9 replies
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How to resolve an undefined reference to 'end' that is pointing to sysmem.c? C:/Users/dfrancoi/Documents/STMicroelectronics/LwIP_projects/stm32h750b-dk_lwip_V2/Debug/../Src/sysmem.c:57: undefined reference to `end'

I am trying to follow "How to create project for STM32H7 with Ethernet and LwIP stack working" posted on May 29, 2020 however I am getting an error undefined reference to end. When I double click the error it points to sysmem.cNot being an embedded g...

DFran.3 by Associate
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