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Questions - i2s

STM32F107 read mems mic MP34DT05-A 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...
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Pnzy

c

stm32

i2s

mems

Votes: 0

Answers: 0

Can't include <I2S.h> on ESP32 on neither VSCode PIO nor Arduino IDE

I've tried to get my ESP32 LOLIN32 with Arduino framework working, but I can't even upload code to it. I'm including nothing but Arduino and I2S but it doesn't understand what I mean with I2S. I have ...
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Gustav Abrahamsson

visual-studio-code

arduino

platformio

i2s

Votes: 0

Answers: 1

Latest Answer

I2S.h was added to arduino-esp32 from version 2.0.3-RC1. The OP does not describe the used version, but I guess it is older than the mentioned 2.0.3 I suggest updating arduino-esp32
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Tomáš Viks Pilný

STM32 Read mic value (MP34DT05-A) from I2S DMA

I want to read MEMS microphone (MP34DT05-A) value (in ASCII) from STM32F107 board. I'm using I2S to communicate with the microphone. What I did: I tried simple reading with HAL_I2S_Receive_DMA(&h...
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Pnzy

stm32

pcm

dma

i2s

Votes: 0

Answers: 1

Latest Answer

A PDM microphone does not output ASCII! The PDM microphone outputs a sequence of 1-bit values. The function PDM_Filter converts it to PCM, which is a sequence of 16-bit values, still in binary. To pri...
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Tom V

Getting only half of the channels I2S Beaglebone AI

Hello I want to record 8 channels from TIDA-01454 CMB into a Beaglebone AI. As the CMB is built with two PCM1864 ADCs and it is also a Beagle board, I followed this guide(https://www.ti.com/lit/an/spr...
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Mikel

audio

microphone

device-tree

beagleboard

i2s

Votes: 0

Answers: 1

Latest Answer

I just had a brief view of the chip you reference here, from what i see the PCM1864 has four channels and one data line (I2S) thus in order to use two PCM1864 you would need to specify two pins for it...
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Bassrelic

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