STM32 MCUs Embedded software

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

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Cortex M0 Bootloader to application jump.

I'm working on Over the Air and I have three components.Bootloader in first two pages (using stm32f09x) and applicaiton and then second application.I'm unable to jump to application from bootloader for a specific reason.I have one linker script, gave...

Vmere.1 by Senior
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  • 1 replies
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Resolved! Why USB Virtual Com Device miss Empty Byte?

I have created project USB Virtual Com Device on STM 32F407. I set size of parcel = 32 byte. When i send parcel and befor parcel ends byte will be "0" STM 32 don't read bytes after "0". If no "0" byte always is OK. What doe's it mean? How get full pa...

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ABask.1 by Associate II
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  • 6 replies
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Issue with SPI4 STM32H7B

Hi,I am trying to read a simple register via SPI4, when I am using the HAL function (HAL_SPI_TransmitReceive()), this function return a timOut. I did some debugging and when I transmit my data via the SPI (line 1344) I can see on my RXDR the value of...

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aabba.1 by Associate III
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How to enable Tracex for B-L4S5I-IOT01A?

I have the B-L4S5I-IOT01A STM32L4S5 Discovery Kit. I followed the article and an online video to enable Tracex, but these are calling out a different platform. The RAM starting address for my kit is 0x20000000, but running the program I see in memory...

SLimi.1 by Associate III
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  • 4 replies
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Is there any max bytes limitation on function HAL_I2C_Mem_Read_DMA() using STM32F746IG and FW1.17.0 ?

I´m trying read bytes from Adafruit I2C Non-Volatile FRAM Breakout module (ic MB85RC256V from FUJITSU) in my STM32F746IG custom board.Using FW 1.16.2, I can read 512 bytes using HAL_I2C_Mem_Read_DMA.Using FW 1.17.0, The I2C stops (clock pin goes down...

ALORE.1 by Associate II
  • 1881 Views
  • 8 replies
  • 0 kudos