STM32 MCUs Products

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Resolved! Trouble to locate data section in flash (STM32F207)

Hi,I attempt to locate information about the firmware in flash. To do so, the data are stored in a dedicated section (called CONTROL_UNIT_SECTION):/** @brief Definition of the firmware info. */ typedef struct firmware_info_t { uint8_t id; ...

TPier by Associate III
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  • 5 replies
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Cache coherency issues when reading DMA buffer from ADC

Hello,I face serveral data coherency issues on my dma buffer which is used to place the values of serveral ADC channels into it. This is executed on M7 contextJust as a reference, I have a dummy project without any MPU configuration and data cache is...

Floki.1 by Associate II
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  • 2 replies
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Resolved! STM32WBxx spi HAL driver seems buggy when transmitting in 8 bit modes (not interrupt nor DMA driven).

In STM32Cube_FW_WB_V1.12.1 the function HAL_SPI_Transmit() increase buffer point per sizeof(uint16_t) when sending data in 8 bits mode; this lead to 1 byte every 2 bytes not being send out. See the below snippet from HAL_SPI_Transmit() /* Transmit da...

LVers.1 by Associate III
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  • 5 replies
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Replacing NUCLEO-F446RE IC board with STM32L4P5RET6 IC.

Hi,I am also trying to test a bare STM32 IC "STM32L4P5RET6", but have been unable to program it using Nucleo.I have tested the following connections and it seems to be working.https://os.mbed.com/media/uploads/mega64/2nucleos_2.jpgCan I replace NUCLE...

AKuma.33 by Associate II
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  • 3 replies
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Resolved! Stm32CubeIDE Unable to cretate STM32F4 project

I am using the STMCubeIDE version 1.8.0I try to create a STM project for a STM32f407VEI get the error message as many users : the IDE does not find the 1.26.2 firwareI tried to follow the solution to install with the Import from local option, this do...

GFalc.2 by Associate II
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  • 9 replies
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DMA - NDTR - data in memory?

Dear Community,I'm recently having some trouble with STM32F7 DMA (STM32F767 Nucleo, STM32CubeIDE, some HAL stuff, but using more and more direct register writes & reads).I'm using timer input capture with circular DMA from timer peripheral to memory,...

LCE by Principal II
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  • 4 replies
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RCC_DBP flag set timeout

Hi, I have a low power controller which i will use as RTC.type: STM32L031F6P7.I use a custom boardThese are the clock settings  I also notice there is no oscillating signal at PC15 . When should the LSE oscillator start? after powerup or after System...

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sde c.1 by Senior II
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  • 1 replies
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STM32H7 RTC BKUP registers issue

HiWe are using the STM32H7A3ZIT6 for one of our irrigation controllers that we are developing. To check the "power cuts" time, we always save the RTC value (uint_32 seconds value) before voltage goes down, using:HAL_PWR_EnableBkUpAccess();HAL_RTCEx_B...

Resolved! Hello, I am facing a issue to generate generate a external clock from MCU on MCO1 GPIO pin on STM32F769I Discovery board.

Here are the details on MCO1 pin configurations, GPIO_InitStruct.Pin = LL_GPIO_PIN_8; GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE; GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH; GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL; GPIO_InitStruc...