STM32 MCUs Embedded software

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Resolved! STM32H7S78-DK pll3 periph error for lcd

I tried the bsp example among the examples of the stm32 h7s78-dk board. I integrated it into my own code. My aim is to use the LCD screen and broadcast the camera output on it. In the first stage, I try to print any text on the screen. The BSP exampl...

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HID Report

I have a USB-Audio source for STM32F446MC.I would like to add an HID and run Next Track etc.The USB analysis tool recognises the HID descriptor, but the HID report descriptor is not recognised.When I traced it with a debugger, I found that no USB_REQ...

Waka by Associate
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  • 2 replies
  • 0 kudos

USBPD Driver DRP Behavior

I am using the USB PD driver package on an STM32G071. I have 4 ports. Two are SNK and the other two should operate as SNK unless I have a power source.First issue is DRP will not work unless you also enable CAD role toggle in the configuration. If yo...

Carl_G by Senior
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  • 3 replies
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Resolved! SPI Read without CPU Intervention

Hello Everyone,I have a STM32H755 MCU connected to an external ADC via SPI in half duplex. I'd like to read ADC value at 2KHz. Ideally I'd like to avoid to interrupt the CPU 2K times per second to read ADC values, as a consequence I'm looking for a w...

unkn0wn by Associate II
  • 788 Views
  • 9 replies
  • 1 kudos

Resolved! Problem with HAL RTC libraries

In the function:HAL_RTCEx_DisableBypassShadow()There is a cast to uint8_t in the line that resets the bithrtc->Instance->CR &= ((uint8_t)~RTC_CR_BYPSHAD);This causes the upper 24 bits of this configuration register to be cleared to 0s when called. Ev...

JFels by Associate
  • 812 Views
  • 4 replies
  • 3 kudos

lwIP stuck at xSemaphoreTake

Hi, i have STM32F767 and im using FreeRTOS V2 and lwIP. Im facing known bug which should be fixed in FW_F7 V1.17 and im using FW_F7 V1.17.2 and still facing this. When i connect the ethernet cable, after 2 seconds FW is stuck at following place: I t...

Petr3_0-1729778893981.png
Petr3 by Associate III
  • 969 Views
  • 7 replies
  • 0 kudos

MCU stuck

Hello,I am working on stm32h7s78-dk board and I m running a simple LED toggle code in while loop. So, the MCU is getting stuck and my LED is blinking continuously. So, anyone has any solution for this please give your inputs on this. Thanks,