STM32 MCUs Embedded software

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USBD_CDC Not working at windows 10

Hi everyone !!I am using a virtual com port (VCP) to conect my device to the computer. Everything was running well till i decide to comunicate with a windowns 10 host. I realized two diferent situations :The first was when i started the device with a...

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FDigi by Associate III
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  • 3 replies
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Inquiries about spiritDSP

Inquiries regarding spiritDSP.We are implementing mp3 with DAC DMA using SpiritDSP.The time to play depends on the samplerate and bitrate of the mp3 file.The original time is 3 minutes and 10 seconds,The playback time is different as shown below.The ...

sbaek.11 by Associate II
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  • 2 replies
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Problems with the PDM2PCM-Lib and a STM32L151

I'm having problems with the PDM2PCM lib and am getting desperate.I have a STM32L151 with an external clock source of 8.192 MHz. The SYSCLK runs with 16.384 MHz. The APB2 (SPI1) runs with 4.096 MHz.I'm sampling a PDM mic with an 8-bit SPI at 2.048 MH...

bub by Associate
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  • 0 replies
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Stm32h7 Lwip - Slow Communication Problem

Hello, I'm using ST32H743ZI2 nucleo board as TCP client. When I setup the ethernet configuration/initialization, I considered the https://community.st.com/s/article/How-to-create-project-for-STM32H7-with-Ethernet-and-LwIP-stack-working article.Additi...

Ey.1 by Associate II
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  • 5 replies
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STM32F767 MQTT USING LWIP drivers.

I am trying to post data using MQTT in LWIP drivers. I am able to bring up the ethernet connection, can ping from PC to STM32F767 device as well. Tried to connect to MQTT broker. When publishing message I get an error as follows:-tcp_write : could no...

sne_123 by Associate III
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  • 1 replies
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Callbacks for SPI in DMA mode

I have both TX and RX on SPI1 on a F407 running in DMA circular mode. In the HAL_SPI_TxRxCpltCallback I parse the data that I receive from the Pi (since the Pi and the STM32 communicate over SPI1). Does the TxRx callback get called when BOTH, TX and ...

Resolved! STM32F723 USB-HS DMA problem with EP0

Hello,I am trying to use USB-HS DMA in my program... It works good with other endpoints except EP0For EP0, the enumeration phase is done successfully, But when I start sending my USB class specific messages one after the other continuously on EP0, af...