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Associate II
since ‎2022-12-13
‎2023-06-26

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  • 16 Posts
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User Activity

Receiving data over STM32F407 or STM32L476's USB OTG using DMA?

2023-06-04
Hello!I am working on a project and I need to receive data over USB OTG using DMA, but I could not find any channel link to it. I have configured DMA but I don't know which channel to link with it ( __HAL_LINKDMA(__HANDLE__, __PPP_DMA_FIELD__, __DMA_...

How to get the angle value using xcubememsmic1 expansion pack?

2023-01-01
Hello!I am working on a project with 4 mems microphones and I want to get the angle of sound(sound source localization) using xcubememsicmic1 sound expansion pack but I don't know how can I get it?Anyone who has experience in mems technology and soun...

2 PDM microphones data from SPI using PDM to PCM library?

2022-12-29
Hello!I want to interface 4 PDM microphones with STM32F401RE's SPIs in stereo config(like in the pic above), I have a problem of how to get its data using pdm to pcm library. As the data will be alligned in this form(M1bit1, M2bit1, M1bit2, M2bit2......

How to interface 4 PDM microphones with Nucleo-F401RE I2S in stereo mode?

2022-12-28
Hello!I need to interface 4 PDM microphones with Nucleo-F401RE(I2S1 and I2S2) in stereo mode.Is it possible to connect 4 PDM microphones with F401RE?Please provide me with a simple circuit diagram and a sample code to how to get data from these mics ...

Is it possible to measure sound intensity level from PCM samples?

2022-12-28
I am using two PDM microphones(mems transducer) with STM32 to measure the intensity and if the intensity of the left microphone is higher than the right one then an LED should turn on and vice versa.We measure the intensity of analog signals like whe...
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