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

When is the UART Receive/Transmit interrupt produced?

Hello to everyone,First of all, excuse me if this post isn't posted in the correct group, but I didn't know in which one it should be posted.About my doubt:I'm using the functions HAL_UART_Receive_IT and HAL_UART_Transmit_IT to do a UART communicatio...

MCasas by Associate II
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How To Set PVD

Hey, I want enabling and set PVD Level, but I still cannot enable PVDE bit on CR2 (PWR Register), Anyone can help me ? ThankyouG​

dobs by Associate II
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  • 1 replies
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LWIP loss small packets in high rate

Hi,This is not an STM32 question, but more related to LWIP. Yet, maybe someone here will have an idea.We use LWIP AS-IS from the example, and we test the Ethernet receive in high load with udp packets. We see that when send from the tester device sm...

ranran by Senior II
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Bug in the HAL code, SDMMC_GetCmdResp7 function?

Hello, I wonder if in the HAL function below, should line 24 be clearing TIMEOUT flag instead of the end command flag?(If so, I'll change it... if not, hopefully I'll learn something, why would you clear the timeout there?)Edit: actually shouldnt it ...

SPI with DMA incorrect NSS behavior

HI.My MCU is STM32L071CZ, CubeMX latest version on this period of time.I try to communicate with an external SPI-Flash IC. The SPI uses software NSS. The communication is good but only if I'm not using DMA. When I try to communicate with flash using ...

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Leon1 by Associate II
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