STM32 MCUs Embedded software

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

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HAL_UART_Transmit() and HAL_UART_Receive() API

I am using Nucleo board and Tera term for serial monitorI want to do simple addition programI want to take two values from serial monitor by typing (number + Enter ) and print back its additionExpect output on Serial monitor:enter value A : 5enter v...

RS009 by Associate III
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  • 1 replies
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Resolved! How To Run 2 UCPD ports on CMSIS V1

Hey allI am building an application using a STM32G071RB with a DRP1M1 as ucpd 0 and a USBDP1 (old SNK1M1) as ucpd 1 and new to the STM UCPD worldIn an attempt to start from a working base, I used the DRP1M1_DRP example project as a starting point. Th...

IOTkid by Associate II
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  • 3 replies
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Resolved! Having a hardtime to get SPI1 working on STM32H753ZI

Hi everyone, Hope all is well. I am trying to setup a basic SPI demo for the STM32H753ZI using the nucleo H753ZI just seeing if I can output my test word onto the MOSI line.The conditions in my SPI demo is as follows:MCU clocked at 400MHzSPI is set a...

0693W00000Y99iuQAB.png 0693W00000Y99ltQAB.png
CLeo.1 by Senior II
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  • 5 replies
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STM32H750XB USB I/Fs

Hi On STM32H750XB datasheet it says 2 x USBUSB OTG interfaces (1FS, 1HS/FS) .I configured the 1st port as FS, and the 2nd port as HS which connectd to external PHY (internal FS phy disabled) .I want to confirm that if the 2 ports can be used at diffe...

YHail.1 by Associate
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  • 1 replies
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Resolved! HAL_UART_DMAStop does not stop DMA on UART RX

Using a Nucleo-G431KB developoment board, I played a bit with UART RX DMA.I started a DMA RX on a linear buffer, and would stop and then restart the DMA.I just observed that after receiving a couple of bytes, HAL_UART_DMAStop no longer stops the DMA ...

Jack3 by Senior II
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  • 2 replies
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