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Resolved! slave spi on stm32f4 receives incorrect data

I have an jetson xavier driving STM32F407G-DISC1 on SPI1 default pins : PA4/5/6/7 .The SPI_FLAG_RXNE flag behaviour is very strange, resulting in wrong values being received.Config used:/* SPI1 parameter configuration*/hspi1.Instance =         SPI1;h...

spi_expected.png spi_actual.png
deep by Associate II
  • 4307 Views
  • 16 replies
  • 4 kudos

STM32H750 LVGL Display Issues

Hi Support    I'm running a LVGL demo,set the framebuffer address  at extern SDRAM  address 0xC0000000    "pLayerCfg.FBStartAdress = ((uint32_t)0xC0000000);"     lvgl need  a work mem for dynamically allocated data     when assign the  work mem on IR...

OK.png Failed.jpg
martin_xu by Associate II
  • 1062 Views
  • 1 replies
  • 0 kudos

Resolved! SDRAM 32bit bus can't be selected for STM32H735IGT6?

Hello,I'm trying to connect SDRAM to STM32 for the first time and I'm having trouble understanding the specs.In the datasheet, it seems the FMC peripheral can not support 32bit memory. Is it right? and could you recommend 64Mbit SDRAM for STM32H735IG...

JKim51_0-1698387161903.png
JKim.51 by Associate II
  • 835 Views
  • 3 replies
  • 2 kudos

Continuous data transfer via SPI.

I am using the code from this post to connect STM32F407  to ili9341 display TFT_DC_SET(); Enables recording of data to the display.The speed for transferring data to the display is very important, so I need continuous data transfer. The SPI_SR_BSY bi...

Skx5i.jpg
MMust.5 by Senior II
  • 1427 Views
  • 1 replies
  • 1 kudos

Resolved! SCNu8 formatting

Hi,I was expecting to get x = 23 after following code: uint8_t x ; char* y = "23" ; sscanf ( y , SCNu8 , &x ) ;but I got x = 32. 

debug.jpg

How to use DMD P10 LED displays with STM32

Hi there,I am working on a project where I am using STM32F401RE but later might shift to STM32F0 controller for interfacing it with DMD P10 LED display (monochrome/RGB), so are there any resources available for that? By resources I mean, libraries an...

DJ17 by Associate II
  • 2891 Views
  • 1 replies
  • 0 kudos