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CODEC with STM32

Hello, I would like to know how to retrieve the acquisition values ​​: INPUT -> ADC -> SAI -> µP like the diagram below : I have a program that works for this : DMA -> SAI -> DAC But this is not the way I would have wanted to make my CODEC work. Do ...

DYann1_0-1692602441481.png
DYann.1 by Senior II
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  • 30 replies
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Migrating from Nucleo-144 board to real IC

HI i m currently working on a H723 nucleo144 EVK, and have completed the coding and is contemplating to flash the code onto STM32H750IBK6. Question is whats the best way to port over the code (with .ioc) without recreate a new project,  new IC select...

Resolved! Blocking vs non-blocking UART using an RTOS

Hello there!I've been setting up the UART peripheral on my STM32H5 and everything works great! However, there is one thing I can't completely understand:Using an RTOS to call HAL_UART_Transmit or HAL_UART_Transmit_IT, what's the advantage of one over...

nunokisi by Associate II
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  • 4 replies
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HAL_DAC_Start_DMA doesn't correctly display audio.

I wanted to use DAC with DMA with TIM5 being the trigger. my problem is that it does not correctly display the audio,I mean the original audio is like 10 seconds, I first tried to do the transfer by the CPU so that for every interrupt generated by th...

abdosalm_3-1697806359225.png abdosalm_4-1697806363614.png
abdosalm by Associate II
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  • 3 replies
  • 1 kudos

STM32F4 UART DMA

Hello all,I have a project using UART DMA for receive datas from Nextion HMI. When i touch a button on Nextion Screen, data should be received a buffer via UART DMA.  First five hour it works good but after five hours no data flows. It is like the bu...

[STM32F401][HAL][UART DMA][QnA]

Hey folks, I am using UART RX in DMA mode using 512 byte buffer. My code sippest working fine. I have one question.Q. Suppose you have recevied 12 bytes but you have set 512 length so, rxCmplt() callback will not called. Right? But I wanted to stop U...