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I am using an stm32h753 MCU and I want to use an SPI Master to receive data from adc without writing. The ADC sends the data when it is activated with CS signal. My problem is that I receive only FF from the slave Do You have any advice on this?

Here is the setup of the SPI: (SPI Clock is checked with the datasheet and it is valid, as well as clock phase and clock polarity.  hspi2.Instance = SPI2; hspi2.Init.Mode = SPI_MODE_MASTER; hspi2.Init.Direction = SPI_DIRECTION_2LINES; hspi2.Init.Data...

Angelos1 by • Associate II
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Anyone had an issue with memory corruption using PSRAM?

We have an existing bare metal environment using STM32F446ZET6 and 8MB of SRAM which works fine, hundreds of examples in the field.A new smaller version of this platform uses PSRAM, namely IS66WVC4M16ECLL.We are getting memory corruption issues we ca...

i2 by • Associate II
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STM32H743 DFSDM, PDM Microphones

HiI am using the Stm32H743 Nucleo Board.I followed the app note to use the DFSDM(https://www.st.com/content/ccc/resource/technical/document/application_note/group0/7d/62/3d/ad/24/57/47/78/DM00380469/files/DM00380469.pdf/jcr:content/translations/en.DM...

NHend.7 by • Associate II
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Resolved! Cannot identify IRQ reason - STM32H753

I have the following EXTI9_5 handler: (yes, with HAL)void EXTI9_5_IRQHandler(void) { if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_6) != 0) { __HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_6); return; }   if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_5) !...

Pavel A. by • Super User
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Is there any migration guide from old sdk to new

I'm currently in the process of compiling example code from our supplier for an e-ink display. The issue however is it uses functions that predate HAL from what I can tell. While some things are simply renaming to uppercase, some other things are unk...

DSonc.1 by • Associate
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STM32F407 i2c slave configuration

Hello,I am working with STM32F407 evaluation board. I want to use i2c as a slave on it.My master device is siliconlab micro-controller (mighty gecko).What slave address i should use for sending data for STM32?As master needs slave address to send dat...

MAbba.2 by • Associate II
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Why ADC isn't correct?

I'm trying to use ADC in stm32g030j6m6 to measure DC voltage.but, whenever I try to make experiences. I found out that under 3V, The accuracy of adc isn't great. It has a 10% error.​I attached source code that I used in my experience and the table th...

Jpark.22 by • Associate
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