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32F417 ADC conversion time - figures don't make sense

Hi All,I am using the simplest mode, single conv, software start, etc. 21MHz clock (/2 divisor).I have been measuring the conversion times both in a loop and with a scope on a waggled GPIO pin.With a sampling interval of 3,56,480 I see conversion tim...

PHolt.1 by Senior III
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  • 3 replies
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Questions about ST's BFB workaround on STM32L072

I'm working on a STM32L072, and I want to implement an update over the air. I saw there is an errata about the dual bank boot, and ST has made a workaround on it, and it uses the EEPROM.Code from the errata sheet:void SystemInit(void) { /* ...

Ppeyr.1 by Associate III
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  • 0 replies
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FATFS -SDMMC - DMA transfer problem

In CubeMX 5.3.0 I have configured FATFS and FREERTOS for a card running STM32L431. The HAL SDMMC driver is communicating with SD card, and everything goes well until the FATFS want to read the MBR block from the SD card. In this case, the DMA channel...

0690X00000ArmcOQAR.png 0690X00000ArmbuQAB.png
mads.l by Associate II
  • 543 Views
  • 1 replies
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STM32U575 ADC sampling issue

HelloI use a STM32U575 develop board to do the ADC sampling. The inject signal is 10mV RMS with 1.648V bias voltageHowever, from the sampling result, there is a obviously break point in the result.Could you help explain the reason and how to eliminat...

YFANG.2 by Associate III
  • 1080 Views
  • 2 replies
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DMA buffer Question

I am trying to send large streams of data into the STM32H753 and I'm trying to maximize the baud rate, ideally aiming for a baud rate of 921600. Unfortunately, I don't know the byte size that will be incoming, which makes it difficult to know how to...

JayDev by Senior II
  • 1347 Views
  • 5 replies
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Resolved! How to made a function to call other functions?

Hi to all!!!I do repeteadly this function:switch(segundero_d){case 0: numero_0(); break;case 1: numero_1(); break;case 2: numero_2(); break;case 3: numero_3(); break;case 4: numero_4(); break;case 5: numero_5(); break;case 6: numero_6(); break;case 7...

Resolved! How to add HAL Library in STM32F1 in Keil.

Hi,I'm looking for the right steps to add the Hal library to a Keil project.i already have the stm32f1xx hal library that include the hal and the cmsis folders (src and include).i'm facing some problem with linking the library. so if someone can tell...

MAhme.6 by Associate
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  • 1 replies
  • 1 kudos