About TMich.1

TMich.1 · 2024-09-26

So my stm32h7 works fine using regular interrupts. But when doing it via DMA, void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef *adc)is never called.I enabled ADC global interrupt and BDMA channel0 global interrupt.circular buffer,continuous conversion...

TMich.1 · 2024-08-18

I am trying to get the PCM1808 ADC working on my STM32H7 using Cube IDE, but get stuck regarding endianness.I understood STM32 is little endian and i2s is big endian. I am trying to receive 24 bit data via DMA but when reading my DMA buffer I am not ...

TMich.1 · 2024-07-21

I'm using an STM32 H7 and CubeIDE, As the title states, When placing a breakpoint at HAL_UART_TxHalfCpltCallback, it is triggered.But when placing it at HAL_UART_TxCpltCallback it is never triggered, it used to work, but I don't know where it went wr...

TMich.1 · 2023-04-12

I figured to increase the volume of the pcm data i just multiply it, because it is pretty much a sine wave sampled? I use this to increase the volume of the audio from the microphone connected to i2s and it works great. I do this when the audio is st...

TMich.1 · 2023-04-06

TMich.1 · 2024-07-21

It turned out I forgot to check the UART global interrupt checkbox.

TMich.1 · 2023-04-18

I tried changing the byte swap but nothing fixed it. I left it alone got now. It works good enough and I do not have much time. Thank you for your help.

TMich.1 · 2023-04-13

Via uart, with dma as well. There is zero noise with no multiplication

TMich.1 · 2023-04-12

thank you, that is very smart

TMich.1 · 2023-04-12

i read about very limited write cycles allowed?

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User Activity

ADC dma does not trigger interrupt.

STM32H7 PCM1808 endianness

HAL_UART_TxHalfCpltCallback works, but HAL_UART_TxCpltCallback is never triggered

i2s PCM volume adjustment problem

on my stm32g473 I need to save a variable permanently, even on reboot. I want to use it to control the volume of my dac, and use up and down buttons to change the gain. This variable has to be remembered ater reboot, should I write to flash?

Re: HAL_UART_TxHalfCpltCallback works, but HAL_UART_TxCpltCallback is never triggered

Re: i2s PCM volume adjustment problem

Re: i2s PCM volume adjustment problem

Re: on my stm32g473 I need to save a variable permanently, even on reboot. I want to use it to control the volume of my dac, and use up and down buttons to change the gain. This variable has to be remembered ater reboot, should I write to flash?

Re: on my stm32g473 I need to save a variable permanently, even on reboot. I want to use it to control the volume of my dac, and use up and down buttons to change the gain. This variable has to be remembered ater reboot, should I write to flash?