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STM32 MCUs Embedded software

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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
  • 542 Views
  • 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
  • 1385 Views
  • 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...

STM32F103 RDP Configure use HAL

my mcu is STM32F103RGT7.​I want to set RDP level to 1 in firmware.Error occurs in HAL_FLASH_OB_Launch().​Please tell me what to do.The following sources have been used: ​ HAL_FLASHEx_OBGetConfig(&OptionsBytesStruct); if( OptionsBytesStruct.RDPL...

MagicFly by • Associate
  • 688 Views
  • 1 replies
  • 1 kudos

Resolved! How to power up stm32f407g

I just opened up my brand new STM32F407G board, checked that JP1 was on and Both CN3 jumpers were on, and plugged it into a USB port and nothing happens. No lights, no nothin.can someone help.

JEasl.1 by • Associate
  • 560 Views
  • 2 replies
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Resolved! Semaphore in C++

I have a problem with operating the traffic light from the class method - every time the program crashes at that point.Here is a simplified example for understanding what I'm writing about:Class:class IO_control { int num;   public: osSemaphoreId...

LUrba.1 by • Associate II
  • 609 Views
  • 2 replies
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