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Unable to create and save data in SD card

Hello, I'm trying to implement a datalogger using a 32F769IDISCOVERY. I would like to be able to create a .txt file, write information on it and save this file on the SD card available on the board. The problem is, I've tried a lot of things, even fo...

ICard.2 by Associate
  • 820 Views
  • 2 replies
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HRTIM_MCR

please do not be silent, dear inhabitants of the forum. I want to understand what the problem is. I'm trying to put the output into an active state using a master timerHRTIM_SETx1R installed MSTPER       HRTIM_MPER==1000   HRTIM_MCR installed CONT P...

MTS by Associate II
  • 1048 Views
  • 4 replies
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Does the Comparator Polarity Selection Work on STM32H7?

I am using an STM32H743ZIT6, and attempting to have COMP1 generate an NVIC interrupt when INP2 is lower than 1/4 Vref_comp. To this end, I set the POLARITY bit in the comparator configuration register to "1", which successfully 'inverts' the "cmp1_ou...

NickFF by Associate
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  • 1 replies
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USART - no NACK output

Hello,I am trying to use STM32L476 to interact with a Smartcard.I am using USART1 in "SmartCard with Card Clock" mode.I have the "NACK If Parity Error" enabled.I am having a problem where the USART receiver detects parity error on the line, but does ...

DGabc.1 by Associate III
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  • 1 replies
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How to see the sent value in UART Data Register?

I send the number 5 via UART to the Data Register, at a speed of 600 bit / s.I watch the Data Register in Keil.The Data Register value is always zero.Is it because the data transfer is very fast?In my case 1/600==0.00166 seconds per bit.I set Breakpo...

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MMust.5 by Senior II
  • 1941 Views
  • 8 replies
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Resolved! How to run my programs in QSPI FLASH?

Hello�?Recently, I was planning to use NUCLEO-L432 to create a smartwatch, but I encountered a fatal problem: running a program using external FLASH can cause the program to freeze.​Because I wanted to use LVGL as a graphical interactive interface, t...

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noob by Associate II
  • 3316 Views
  • 8 replies
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STM32L451 not able to DFU program over USART2

Hello, I am using the STM32CubeProgrammer attempting UART connection to the device, but fails with this error. I would greatly appreciate any guidance or suggestions you may have. See below for additional details about the setup. MCU is STM32L451REYP...

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AxB by Associate
  • 615 Views
  • 2 replies
  • 0 kudos