STM32 MCUs Embedded software

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STM32L1 FreeRTOS tickless idle with RTC wakeup

Posted on October 20, 2016 at 20:04 I'd like to implement vPortSuppressTicksAndSleep() to put the MCU into sleep or stop mode when there is nothing to do in FreeRTOS tasks. It should be woken up by an EXTI interrupt or RTC wakeup. In my implement...

grzegorz by Associate III
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  • 10 replies
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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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