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Disturbance in MIPI DSI Output Image

Hi EveryOneBy Using DSI in Video Mode, It makes this disturbance in out image, What's the Main Source of this Problem:1. PCB Design (It's Two Layer Board, I tried My best to route it as short as possible)2. Noise in Ext RAM Data (Using EXT RAM as Fra...

MGH2023 by Associate
  • 631 Views
  • 1 replies
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Resolved! Timer triggered DMA to GPIO for soft PWM

I'm trying to to generate a PWM signal on a GPIO without PWM capability on a STM32F47. To achieve this, I want to have a timer triggered DMA transfer to the GPIO BSRR register.Looking at the bus matrix, it seems that I need to use the DMA2 controller...

damanuel by Associate II
  • 1512 Views
  • 6 replies
  • 0 kudos

Resolved! RTC subseconds count down

I am using the RTC of the STM32L4 Discovery board and have noticed that the sub-seconds are counting down. Is there anyone with an idea on how to resolve this issue?

KIbra.3 by Associate II
  • 1898 Views
  • 4 replies
  • 2 kudos

Resolved! About I3C ENTDAA ,How to do End DAA procedure waveform?

hiI do the ENTDAA protocol use this codeif (HAL_I3C_Ctrl_DynAddrAssign_IT(&hi3c1, 0) != HAL_OK){/* Error_Handler() function is called when error occurs. */Error_Handler();} In below picture , I get the ENTDAA Protocol, but After protocol there should...

CLHUANG_1-1690457730965.png CLHUANG_0-1690457717715.png CLHUANG_2-1690457746444.png
CLHUANG by Associate III
  • 3100 Views
  • 12 replies
  • 1 kudos

Re: STM32 CAN transmit bug?

Same problem here.. can you please look at this issue STM as it cant be the boards .. hence every single thread on this problems goes cold a working Interupt enabled RX TX example with the latest STMCube/HAL would be nice For STM32F4xx

NCD by Associate II
  • 455 Views
  • 1 replies
  • 0 kudos

STM32 as I2C slave: Data recieved LED not working

I'm trying to setup an STM32F401RBT as an I2C slave with an Arduino Uno as the master. The Arduino code looks as follows: I'm simply trying to transmit "3". The STM32 side looks like this: I use these three callback functions to manage the data. I am...

SwissGnome_0-1690267011304.png SwissGnome_1-1690267097195.png

Resolved! DMA to read multiple ADC Channels

I am trying to read multiple ADCs using DMA on a Nucleo H743ZI2. I currently have code that works, but it only works when my data buffer has a size of 32. This is fine when I was using two channels, but any more than that, it offsets the data, and I ...

APBashara by Associate II
  • 1979 Views
  • 7 replies
  • 0 kudos

Resolved! STM32F103C8T6 SPI not working on custom board

Hi I am running WS2812 addressable LED on stm32 bluepill without any problem.I have used SPI to generate data for WS2812 led strip data pin is connected to PA7 (MOSI) pin on bluepill. till now everything is working perfectly fine. So I design a custo...

sandeep3 by Associate II
  • 5240 Views
  • 3 replies
  • 1 kudos