STM32 MCUs Embedded software

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

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What is the LL equivalent of HAL_I2C_Mem_Read?

Hi,I found a tutorial for using a BME280 sensor with I2C in HAL (https://controllerstech.com/bme280-with-stm32/).However, I need to use LL for it to fit into the rest of the program. The main part I'm having an issue with is below as I can't find a c...

Loch by Associate II
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  • 4 replies
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Problem with LWIP generated with Cube_H7_V1.9.1

Hi!The following was tested with Nucleo-H7ZI.I have generated a project with basic defenition of freeRTOS and LWIP.Once an ehternet cable is connected to the board the program collapses and goes to hardfault.after comparing the LWIP code from current...

yuri CH by Senior
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  • 5 replies
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Does the PDM2PCM decoder library ( https://www.st.com/en/licensed-software/audiopdm-mw.html) work on the STM32G491?

I'm trying to use an STM32G491 in a voice recognition application. This is a single microphone, mono voice capture application. I'm using an NUGLEOG491RE and an MP34DT05-A microphone (1/4 STEVAL-MIC001V1) for testing. I need to convert the PDM stream...

PPere.2 by Associate
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  • 1 replies
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STM32F107 read MP34DT05-A mic on I2S

I am working on STM32F107 to read MP34DT05-A mems mic on I2S. I have tried any configuration setting with `pdm2pcm.c` and i2s.c but nothing shows the expected result.The expected result is positive int value. This is what i did so far:i2s3 (SPI3) set...

PSeti.1 by Associate
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  • 0 replies
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I use STM32L452RC for my project which prints in putty through USB CDC. Whenever a character is pressed in keyboard, I get an interrupt and USB_Receive_DS function gets called . Based on the character the controller takes necessary action.

I use a timer to wait for the next interrupt from the keyboard . The timeout is 30 Secs. The issue here is the HAL_TIM_Period_Elapsedcallback is getting called frequently , but I have set the timeout to be 30 Secs. Can anyone help me fix this issue ...

RAnan.3 by Associate III
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  • 8 replies
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B-L462E-CELL1 Developer Support Request

Hi there,I am trying to explore IoT options with the B-L462E-CELL1 discovery kit (STM32L462RE mcu). I was hoping for a software environment that I could use as a springboard to start working with this device, but I have not been able to find one.I ha...

LPuck.1 by Associate
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  • 1 replies
  • 1 kudos

Is there a socket allocation problem with X-CUBE-CELLULAR V7.0 using Azure RTOS and the STM32L462RE discovery kit Cellular IOT board?

In this loop the mqtt client is created, connected and as long as the mqtt server/broker is up, the client continues processing messages. But when the remote mqtt server/broker is manually shut down, and after the timeout expires, nxd_mqtt_client_c...

JVand.12 by Associate II
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