All Questions
7
questions
0
votes
0
answers
75
views
Receive i2S data to RP2040, PIO and DMA from MEMS microphone (SPH0645LM4H-B)
It pretty much seem to work. I have in the PIO been able to generate the clock and word select and the microphone is sending data continuously which can be verified with a logic analyser.
(maybe it ...
0
votes
1
answer
90
views
STM32H7 Baremetal I2S Circular DMA
I am trying to run an I2S ES8388 codec from a stm32h750. Without DMA, the codec is working just fine, and I can output and receive data to and from it respectively. But, I'm experiencing problems with ...
- 1,109
1
vote
1
answer
595
views
Data coherency with DMA and I2S audio on STM32H7
Moving from a audio effect prototype based on the STM32F407 to the STM32H757. Did a lot of stuff on the F4 with audio but on the H7 I'm getting stuck and can't get a simple audio loopback with DMA. I'...
- 31
1
vote
2
answers
172
views
PIC32MZ, MPLAB Harmony with I2S hangs after adding extra function
I have referred http://microchipdeveloper.com/harmony:i2s-tutorial and am able to configure the I2S and read continuous data from a microphone.
I am facing issue with the microphone data, and have ...
- 431
0
votes
1
answer
1k
views
How to transfer data from/to the I2S controller through AXI DMA
I'm doing a sound analyzing project on the Zybo board and I'm having hard time using the AXI DMA for transferring data from the I2S controller to RAM. I'm using the I2S controller from the Digilent's ...
- 85
1
vote
1
answer
1k
views
Synchronize internal DAC to I2S on STM32F4
I have a CS4344 DAC connected to my STM32F407 outputting sound at a 44.1kHz rate with DMA and I2S and I would like to output and envelope signal through the internal DAC of the STM32F4, in sync with ...
- 370
1
vote
1
answer
4k
views
STM32 : reset the I2S DMA address pointer
For my application I have a DAC communicating with an STM32F4 through I2S. On the microcontroller's side, informations are send to the DAC through a DMA stream, with a circular buffer.
On an external ...
- 370